From patchwork Fri Apr 23 16:34:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220897 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14B25C4360C for ; Fri, 23 Apr 2021 16:34:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E15126145A for ; Fri, 23 Apr 2021 16:34:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232065AbhDWQfV (ORCPT ); Fri, 23 Apr 2021 12:35:21 -0400 Received: from mga11.intel.com ([192.55.52.93]:16700 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235830AbhDWQfU (ORCPT ); Fri, 23 Apr 2021 12:35:20 -0400 IronPort-SDR: q3PY6Z80m2UJzGgpE4hsdmOf+ouzutBhf2k4qpjL43Y1+/6lFZlYz/hG+H6dJ7u4LodIUBrnNs OasVCTXqyXLQ== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="192910024" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="192910024" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:42 -0700 IronPort-SDR: A/GALelAqh8nmKhWf/4sYqd6s38qWEG8d4+DpCxmpFYcWce04Ax8rQd23x0+KRiW80i0WAjElK gZ4Q8dIDcA3w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="535590595" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga004.jf.intel.com with ESMTP; 23 Apr 2021 09:34:34 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id B304611E; Fri, 23 Apr 2021 19:34:51 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 01/14] spi: pxa2xx: Use one point of return when ->probe() fails Date: Fri, 23 Apr 2021 19:34:24 +0300 Message-Id: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org When we can't allocate SPI controller, jump to the error path rather than return locally. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 0cc767283674..0ef22045b006 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1701,8 +1701,8 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) if (!controller) { dev_err(&pdev->dev, "cannot alloc spi_controller\n"); - pxa_ssp_free(ssp); - return -ENOMEM; + status = -ENOMEM; + goto out_error_controller_alloc; } drv_data = spi_controller_get_devdata(controller); drv_data->controller = controller; From patchwork Fri Apr 23 16:34:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220893 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34DA2C433ED for ; Fri, 23 Apr 2021 16:34:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7669A6145F for ; Fri, 23 Apr 2021 16:34:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230482AbhDWQfR (ORCPT ); Fri, 23 Apr 2021 12:35:17 -0400 Received: from mga01.intel.com ([192.55.52.88]:32256 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229931AbhDWQfR (ORCPT ); Fri, 23 Apr 2021 12:35:17 -0400 IronPort-SDR: O8uOOaLI02Vmod14ocWmbKZ204sWlrTdkplstWQiO/mUpCu6G/agzE6pN6czIA9lAKX2McZP58 a1hRjdUv7AsQ== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="216782517" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="216782517" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:40 -0700 IronPort-SDR: rpZLg5udqXrZcBqnpMpeR3lPdn7JWhpIoGW874AaSlOuNI2kJHFzAcUv/Z2M6uYD21DjXJRDW0 d5hU2WgE3VlA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="456284236" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 23 Apr 2021 09:34:36 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 0401213C; Fri, 23 Apr 2021 19:34:53 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 02/14] spi: pxa2xx: Utilize MMIO and physical base from struct ssp_device Date: Fri, 23 Apr 2021 19:34:25 +0300 Message-Id: <20210423163437.89306-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org We have a duplication of MMIO and physical base addresses in the struct driver_data, get rid of it and reuse members from struct ssp_device instead. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx-dma.c | 4 ++-- drivers/spi/spi-pxa2xx.c | 4 +--- drivers/spi/spi-pxa2xx.h | 14 ++++---------- 3 files changed, 7 insertions(+), 15 deletions(-) diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c index 37567bc7a523..3b27f356a18f 100644 --- a/drivers/spi/spi-pxa2xx-dma.c +++ b/drivers/spi/spi-pxa2xx-dma.c @@ -94,14 +94,14 @@ pxa2xx_spi_dma_prepare_one(struct driver_data *drv_data, cfg.direction = dir; if (dir == DMA_MEM_TO_DEV) { - cfg.dst_addr = drv_data->ssdr_physical; + cfg.dst_addr = drv_data->ssp->phys_base + SSDR; cfg.dst_addr_width = width; cfg.dst_maxburst = chip->dma_burst_size; sgt = &xfer->tx_sg; chan = drv_data->controller->dma_tx; } else { - cfg.src_addr = drv_data->ssdr_physical; + cfg.src_addr = drv_data->ssp->phys_base + SSDR; cfg.src_addr_width = width; cfg.src_maxburst = chip->dma_burst_size; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 0ef22045b006..82df028c4a71 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -325,7 +325,7 @@ static void lpss_ssp_setup(struct driver_data *drv_data) u32 value; config = lpss_get_config(drv_data); - drv_data->lpss_base = drv_data->ioaddr + config->offset; + drv_data->lpss_base = drv_data->ssp->mmio_base + config->offset; /* Enable software chip select control */ value = __lpss_ssp_read_priv(drv_data, config->reg_cs_ctrl); @@ -1729,8 +1729,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) drv_data->ssp_type = ssp->type; - drv_data->ioaddr = ssp->mmio_base; - drv_data->ssdr_physical = ssp->phys_base + SSDR; if (pxa25x_ssp_comp(drv_data)) { switch (drv_data->ssp_type) { case QUARK_X1000_SSP: diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index 1400472bc986..ad9980ebefa6 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -33,10 +33,6 @@ struct driver_data { /* PXA hookup */ struct pxa2xx_spi_controller *controller_info; - /* SSP register addresses */ - void __iomem *ioaddr; - phys_addr_t ssdr_physical; - /* SSP masks*/ u32 dma_cr1; u32 int_cr1; @@ -87,16 +83,14 @@ struct chip_data { void (*cs_control)(u32 command); }; -static inline u32 pxa2xx_spi_read(const struct driver_data *drv_data, - unsigned reg) +static inline u32 pxa2xx_spi_read(const struct driver_data *drv_data, u32 reg) { - return __raw_readl(drv_data->ioaddr + reg); + return pxa_ssp_read_reg(drv_data->ssp, reg); } -static inline void pxa2xx_spi_write(const struct driver_data *drv_data, - unsigned reg, u32 val) +static inline void pxa2xx_spi_write(const struct driver_data *drv_data, u32 reg, u32 val) { - __raw_writel(val, drv_data->ioaddr + reg); + pxa_ssp_write_reg(drv_data->ssp, reg, val); } #define DMA_ALIGNMENT 8 From patchwork Fri Apr 23 16:34:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220895 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FC3FC43460 for ; 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d="scan'208";a="618019011" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 23 Apr 2021 09:34:36 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 9773116A; Fri, 23 Apr 2021 19:34:54 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 03/14] spi: pxa2xx: Utilize struct device from struct ssp_device Date: Fri, 23 Apr 2021 19:34:26 +0300 Message-Id: <20210423163437.89306-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org We have a duplication of struct device in the struct driver_data, get rid of it and reuse member from struct ssp_device instead. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx-dma.c | 12 +++++------- drivers/spi/spi-pxa2xx-pci.c | 1 + drivers/spi/spi-pxa2xx.c | 12 +++++------- drivers/spi/spi-pxa2xx.h | 4 ---- 4 files changed, 11 insertions(+), 18 deletions(-) diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c index 3b27f356a18f..2e4a49567146 100644 --- a/drivers/spi/spi-pxa2xx-dma.c +++ b/drivers/spi/spi-pxa2xx-dma.c @@ -111,7 +111,7 @@ pxa2xx_spi_dma_prepare_one(struct driver_data *drv_data, ret = dmaengine_slave_config(chan, &cfg); if (ret) { - dev_warn(&drv_data->pdev->dev, "DMA slave config failed\n"); + dev_warn(drv_data->ssp->dev, "DMA slave config failed\n"); return NULL; } @@ -125,7 +125,7 @@ irqreturn_t pxa2xx_spi_dma_transfer(struct driver_data *drv_data) status = pxa2xx_spi_read(drv_data, SSSR) & drv_data->mask_sr; if (status & SSSR_ROR) { - dev_err(&drv_data->pdev->dev, "FIFO overrun\n"); + dev_err(drv_data->ssp->dev, "FIFO overrun\n"); dmaengine_terminate_async(drv_data->controller->dma_rx); dmaengine_terminate_async(drv_data->controller->dma_tx); @@ -145,16 +145,14 @@ int pxa2xx_spi_dma_prepare(struct driver_data *drv_data, tx_desc = pxa2xx_spi_dma_prepare_one(drv_data, DMA_MEM_TO_DEV, xfer); if (!tx_desc) { - dev_err(&drv_data->pdev->dev, - "failed to get DMA TX descriptor\n"); + dev_err(drv_data->ssp->dev, "failed to get DMA TX descriptor\n"); err = -EBUSY; goto err_tx; } rx_desc = pxa2xx_spi_dma_prepare_one(drv_data, DMA_DEV_TO_MEM, xfer); if (!rx_desc) { - dev_err(&drv_data->pdev->dev, - "failed to get DMA RX descriptor\n"); + dev_err(drv_data->ssp->dev, "failed to get DMA RX descriptor\n"); err = -EBUSY; goto err_rx; } @@ -191,8 +189,8 @@ void pxa2xx_spi_dma_stop(struct driver_data *drv_data) int pxa2xx_spi_dma_setup(struct driver_data *drv_data) { struct pxa2xx_spi_controller *pdata = drv_data->controller_info; - struct device *dev = &drv_data->pdev->dev; struct spi_controller *controller = drv_data->controller; + struct device *dev = drv_data->ssp->dev; dma_cap_mask_t mask; dma_cap_zero(mask); diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index 14fc41ed2361..f60ed4c62000 100644 --- a/drivers/spi/spi-pxa2xx-pci.c +++ b/drivers/spi/spi-pxa2xx-pci.c @@ -239,6 +239,7 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev, spi_pdata.dma_burst_size = c->dma_burst_size ? c->dma_burst_size : 1; ssp = &spi_pdata.ssp; + ssp->dev = &dev->dev; ssp->phys_base = pci_resource_start(dev, 0); ssp->mmio_base = pcim_iomap_table(dev)[0]; ssp->port_id = (c->port_id >= 0) ? c->port_id : dev->devfn; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 82df028c4a71..e9dddcbd92f1 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -628,7 +628,7 @@ static void int_error_stop(struct driver_data *drv_data, const char* msg) pxa2xx_spi_flush(drv_data); pxa2xx_spi_off(drv_data); - dev_err(&drv_data->pdev->dev, "%s\n", msg); + dev_err(drv_data->ssp->dev, "%s\n", msg); drv_data->controller->cur_msg->status = -EIO; spi_finalize_current_transfer(drv_data->controller); @@ -731,8 +731,7 @@ static void handle_bad_msg(struct driver_data *drv_data) pxa2xx_spi_write(drv_data, SSTO, 0); write_SSSR_CS(drv_data, drv_data->clear_sr); - dev_err(&drv_data->pdev->dev, - "bad message state in interrupt handler\n"); + dev_err(drv_data->ssp->dev, "bad message state in interrupt handler\n"); } static irqreturn_t ssp_int(int irq, void *dev_id) @@ -748,7 +747,7 @@ static irqreturn_t ssp_int(int irq, void *dev_id) * the IRQ was not for us (we shouldn't be RPM suspended when the * interrupt is enabled). */ - if (pm_runtime_suspended(&drv_data->pdev->dev)) + if (pm_runtime_suspended(drv_data->ssp->dev)) return IRQ_NONE; /* @@ -1158,7 +1157,7 @@ static int pxa2xx_spi_slave_abort(struct spi_controller *controller) pxa2xx_spi_flush(drv_data); pxa2xx_spi_off(drv_data); - dev_dbg(&drv_data->pdev->dev, "transfer aborted\n"); + dev_dbg(drv_data->ssp->dev, "transfer aborted\n"); drv_data->controller->cur_msg->status = -EINTR; spi_finalize_current_transfer(drv_data->controller); @@ -1641,7 +1640,7 @@ static int pxa2xx_spi_fw_translate_cs(struct spi_controller *controller, { struct driver_data *drv_data = spi_controller_get_devdata(controller); - if (has_acpi_companion(&drv_data->pdev->dev)) { + if (has_acpi_companion(drv_data->ssp->dev)) { switch (drv_data->ssp_type) { /* * For Atoms the ACPI DeviceSelection used by the Windows @@ -1707,7 +1706,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) drv_data = spi_controller_get_devdata(controller); drv_data->controller = controller; drv_data->controller_info = platform_info; - drv_data->pdev = pdev; drv_data->ssp = ssp; controller->dev.of_node = pdev->dev.of_node; diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index ad9980ebefa6..6724d7e056ce 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -12,7 +12,6 @@ #include #include #include -#include #include #include #include @@ -20,9 +19,6 @@ #include struct driver_data { - /* Driver model hookup */ - struct platform_device *pdev; - /* SSP Info */ struct ssp_device *ssp; From patchwork Fri Apr 23 16:34:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220903 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A50AC43611 for ; Fri, 23 Apr 2021 16:34:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2127A6145A for ; Fri, 23 Apr 2021 16:34:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242529AbhDWQfV (ORCPT ); Fri, 23 Apr 2021 12:35:21 -0400 Received: from mga03.intel.com ([134.134.136.65]:32277 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242270AbhDWQfU (ORCPT ); Fri, 23 Apr 2021 12:35:20 -0400 IronPort-SDR: kUJADS3wGWKTbHe1Wc/3dmLDIxR/lg2ijsws94tDsA2B7Mt578vVrqH9d5rcesrKwx29XknphH DGRVM5hJF3MA== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="196156380" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="196156380" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:41 -0700 IronPort-SDR: Fnp6XJyjPOVuGzZXWASJSa6rGuChm3tt8Ek21juLcavIioV2Bfd/myVGMPXqN30W0Yy1qCCgbq VfWpPwX7cD1Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="525064569" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 23 Apr 2021 09:34:37 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 493C317E; Fri, 23 Apr 2021 19:34:55 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 04/14] spi: pxa2xx: Replace header inclusions by forward declarations Date: Fri, 23 Apr 2021 19:34:27 +0300 Message-Id: <20210423163437.89306-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org When the data structure is only referred by pointer, compiler may not need to see the contents of the data type. Thus, we may replace header inclusions by respective forward declarations. Due to above add missed headers as well. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx-dma.c | 6 ++++-- drivers/spi/spi-pxa2xx.c | 2 ++ drivers/spi/spi-pxa2xx.h | 18 ++++++++++-------- include/linux/spi/pxa2xx_spi.h | 2 ++ 4 files changed, 18 insertions(+), 10 deletions(-) diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c index 2e4a49567146..32ab7391396d 100644 --- a/drivers/spi/spi-pxa2xx-dma.c +++ b/drivers/spi/spi-pxa2xx-dma.c @@ -9,11 +9,13 @@ #include #include #include -#include #include #include -#include + #include +#include + +#include #include "spi-pxa2xx.h" diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index e9dddcbd92f1..0296cbdee848 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -25,6 +26,7 @@ #include #include #include + #include #include diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index 6724d7e056ce..739e264feaa6 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -7,16 +7,18 @@ #ifndef SPI_PXA2XX_H #define SPI_PXA2XX_H -#include -#include -#include -#include #include -#include -#include +#include +#include #include -#include -#include + +#include + +struct gpio_desc; +struct pxa2xx_spi_controller; +struct spi_controller; +struct spi_device; +struct spi_transfer; struct driver_data { /* SSP Info */ diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h index 31f00c7f4f59..1e0e2f136319 100644 --- a/include/linux/spi/pxa2xx_spi.h +++ b/include/linux/spi/pxa2xx_spi.h @@ -5,6 +5,8 @@ #ifndef __linux_pxa2xx_spi_h #define __linux_pxa2xx_spi_h +#include + #include #define PXA2XX_CS_ASSERT (0x01) From patchwork Fri Apr 23 16:34:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220899 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CACFFC43617 for ; Fri, 23 Apr 2021 16:34:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9B6EF6145F for ; Fri, 23 Apr 2021 16:34:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242800AbhDWQfW (ORCPT ); Fri, 23 Apr 2021 12:35:22 -0400 Received: from mga04.intel.com ([192.55.52.120]:51170 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242301AbhDWQfU (ORCPT ); Fri, 23 Apr 2021 12:35:20 -0400 IronPort-SDR: Lcbn2//ya8rsAejpxmiSH2vOSvtyBI3PRTaciQOh2swEuzkq5NGsP/e6h3x9Y8SjyDCT3ZZ8Zb FgDQWAycCRaA== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="193979325" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="193979325" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:43 -0700 IronPort-SDR: gFOnInLtpr118H5FS9N61WsDF0pFMGItxr57URSWM2ZdEl/u0yzSayeCRAR1wweiowyb+EUYR4 /VSga8nRzIOg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="421810613" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga008.fm.intel.com with ESMTP; 23 Apr 2021 09:34:38 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id C0B021C8; Fri, 23 Apr 2021 19:34:55 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 05/14] spi: pxa2xx: Consolidate related headers under include/linux/spi Date: Fri, 23 Apr 2021 19:34:28 +0300 Message-Id: <20210423163437.89306-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org We have two headers split between include/linux and include/linux/spi. Consolidated them under SPI realm, i.e. in the latter folder. Update users accordingly. Signed-off-by: Andy Shevchenko --- drivers/input/mouse/navpoint.c | 3 ++- drivers/spi/spi-pxa2xx-dma.c | 2 -- drivers/spi/spi-pxa2xx-pci.c | 1 + drivers/spi/spi-pxa2xx.h | 2 +- include/linux/spi/pxa2xx_spi.h | 9 +++++---- include/linux/{ => spi}/pxa2xx_ssp.h | 6 +++--- sound/soc/intel/catpt/dsp.c | 4 +++- sound/soc/pxa/pxa-ssp.c | 3 ++- 8 files changed, 17 insertions(+), 13 deletions(-) rename include/linux/{ => spi}/pxa2xx_ssp.h (99%) diff --git a/drivers/input/mouse/navpoint.c b/drivers/input/mouse/navpoint.c index 4d67575bb276..a0731cfbbafa 100644 --- a/drivers/input/mouse/navpoint.c +++ b/drivers/input/mouse/navpoint.c @@ -15,9 +15,10 @@ #include #include #include -#include #include +#include + /* * Synaptics Modular Embedded Protocol: Module Packet Format. * Module header byte 2:0 = Length (# bytes that follow) diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c index 32ab7391396d..e00dbadd39ec 100644 --- a/drivers/spi/spi-pxa2xx-dma.c +++ b/drivers/spi/spi-pxa2xx-dma.c @@ -15,8 +15,6 @@ #include #include -#include - #include "spi-pxa2xx.h" static void pxa2xx_spi_dma_transfer_complete(struct driver_data *drv_data, diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index f60ed4c62000..5af0a3fbc1b0 100644 --- a/drivers/spi/spi-pxa2xx-pci.c +++ b/drivers/spi/spi-pxa2xx-pci.c @@ -8,6 +8,7 @@ #include #include #include + #include #include diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index 739e264feaa6..b6dae0981b61 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -12,7 +12,7 @@ #include #include -#include +#include struct gpio_desc; struct pxa2xx_spi_controller; diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h index 1e0e2f136319..4baae475bd89 100644 --- a/include/linux/spi/pxa2xx_spi.h +++ b/include/linux/spi/pxa2xx_spi.h @@ -2,12 +2,12 @@ /* * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs */ -#ifndef __linux_pxa2xx_spi_h -#define __linux_pxa2xx_spi_h +#ifndef __LINUX_PXA2XX_SPI_H +#define __LINUX_PXA2XX_SPI_H #include -#include +#include #define PXA2XX_CS_ASSERT (0x01) #define PXA2XX_CS_DEASSERT (0x02) @@ -51,4 +51,5 @@ struct pxa2xx_spi_chip { extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_controller *info); #endif -#endif + +#endif /* __LINUX_PXA2XX_SPI_H */ diff --git a/include/linux/pxa2xx_ssp.h b/include/linux/spi/pxa2xx_ssp.h similarity index 99% rename from include/linux/pxa2xx_ssp.h rename to include/linux/spi/pxa2xx_ssp.h index 7f73b26ed22e..14b049840faf 100644 --- a/include/linux/pxa2xx_ssp.h +++ b/include/linux/spi/pxa2xx_ssp.h @@ -11,8 +11,8 @@ * PXA3xx SSP1, SSP2, SSP3, SSP4 */ -#ifndef __LINUX_SSP_H -#define __LINUX_SSP_H +#ifndef __LINUX_PXA2XX_SSP_H +#define __LINUX_PXA2XX_SSP_H #include #include @@ -270,4 +270,4 @@ static inline struct ssp_device *pxa_ssp_request_of(const struct device_node *n, static inline void pxa_ssp_free(struct ssp_device *ssp) {} #endif -#endif +#endif /* __LINUX_PXA2XX_SSP_H */ diff --git a/sound/soc/intel/catpt/dsp.c b/sound/soc/intel/catpt/dsp.c index 9c5fd18f2600..08af8bab8704 100644 --- a/sound/soc/intel/catpt/dsp.c +++ b/sound/soc/intel/catpt/dsp.c @@ -9,7 +9,9 @@ #include #include #include -#include + +#include + #include "core.h" #include "messages.h" #include "registers.h" diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c index b941adcbb8f9..710c8dbd18bc 100644 --- a/sound/soc/pxa/pxa-ssp.c +++ b/sound/soc/pxa/pxa-ssp.c @@ -16,10 +16,11 @@ #include #include #include -#include #include #include +#include + #include #include From patchwork Fri Apr 23 16:34:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220901 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3ED82C43470 for ; Fri, 23 Apr 2021 16:34:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13817611BF for ; Fri, 23 Apr 2021 16:34:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243127AbhDWQfX (ORCPT ); Fri, 23 Apr 2021 12:35:23 -0400 Received: from mga02.intel.com ([134.134.136.20]:26414 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243036AbhDWQfX (ORCPT ); Fri, 23 Apr 2021 12:35:23 -0400 IronPort-SDR: a6j9msOtpeGls9m3KF6n7+RjXYn57FvLROIFkWFXgf2YgGhE7FUiXXTW91/hTrUdIN2qp9LG1+ 4KrkwVydxw8Q== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="183227057" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="183227057" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:46 -0700 IronPort-SDR: 0rIITxXvFXROaqSP6RWWo/LjE3xn3fp/eFwpEp/aBW9WfHbz64VIJD79JZEA5jfotOvOHXV+fK Qt3TJgDkZf3A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="453620727" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 23 Apr 2021 09:34:40 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 4AE0B1FC; Fri, 23 Apr 2021 19:34:56 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 06/14] spi: pxa2xx: Group Intel Quark specific definitions Date: Fri, 23 Apr 2021 19:34:29 +0300 Message-Id: <20210423163437.89306-6-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org DDS_RATE is Intel Quark specific definition. Move it to the rest Intel Quark related. Signed-off-by: Andy Shevchenko --- include/linux/spi/pxa2xx_ssp.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/spi/pxa2xx_ssp.h b/include/linux/spi/pxa2xx_ssp.h index 14b049840faf..1b6c1a0922bd 100644 --- a/include/linux/spi/pxa2xx_ssp.h +++ b/include/linux/spi/pxa2xx_ssp.h @@ -38,7 +38,6 @@ struct device_node; #define SSDR (0x10) /* SSP Data Write/Data Read Register */ #define SSTO (0x28) /* SSP Time Out Register */ -#define DDS_RATE (0x28) /* SSP DDS Clock Rate Register (Intel Quark) */ #define SSPSP (0x2C) /* SSP Programmable Serial Protocol */ #define SSTSA (0x30) /* SSP Tx Timeslot Active */ #define SSRSA (0x34) /* SSP Rx Timeslot Active */ @@ -105,6 +104,9 @@ struct device_node; #define CE4100_SSCR1_RFT GENMASK(11, 10) /* Receive FIFO Threshold (mask) */ #define CE4100_SSCR1_RxTresh(x) (((x) - 1) << 10) /* level [1..4] */ +/* Intel Quark X1000 */ +#define DDS_RATE 0x28 /* SSP DDS Clock Rate Register */ + /* QUARK_X1000 SSCR0 bit definition */ #define QUARK_X1000_SSCR0_DSS GENMASK(4, 0) /* Data Size Select (mask) */ #define QUARK_X1000_SSCR0_DataSize(x) ((x) - 1) /* Data Size Select [4..32] */ From patchwork Fri Apr 23 16:34:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220907 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1ABF4C4363F for ; Fri, 23 Apr 2021 16:34:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 05DB96148E for ; Fri, 23 Apr 2021 16:34:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243190AbhDWQfZ (ORCPT ); Fri, 23 Apr 2021 12:35:25 -0400 Received: from mga02.intel.com ([134.134.136.20]:26414 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243109AbhDWQfY (ORCPT ); Fri, 23 Apr 2021 12:35:24 -0400 IronPort-SDR: U0Oa8bTtlhXIoto1t8Lm2CwkxuHVqQNPhe/5dkVLg4AKCn5A3CLPBMOaTuKN5eLcHRHaeUy39B QbTalX93Ay/w== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="183227051" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="183227051" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:45 -0700 IronPort-SDR: aGfRC6eHIiaAHzhD3asgWFjtwXMEw4FMrHLMro5KfX6CXSi88je7n2gFSfR5pY9nUuTA1rdalI WTo69CvlZJhw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="453620726" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 23 Apr 2021 09:34:40 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id BE7E941F; Fri, 23 Apr 2021 19:34:56 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 07/14] spi: pxa2xx: Introduce int_stop_and_reset() helper Date: Fri, 23 Apr 2021 19:34:30 +0300 Message-Id: <20210423163437.89306-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Currently we have three times the same few lines repeated in the code. Deduplicate them by newly introduced int_stop_and_reset() helper. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 0296cbdee848..4dab47e18d10 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -620,13 +620,20 @@ static void reset_sccr1(struct driver_data *drv_data) pxa2xx_spi_write(drv_data, SSCR1, sccr1_reg); } -static void int_error_stop(struct driver_data *drv_data, const char* msg) +static void int_stop_and_reset(struct driver_data *drv_data) { - /* Stop and reset SSP */ + /* Clear and disable interrupts */ write_SSSR_CS(drv_data, drv_data->clear_sr); reset_sccr1(drv_data); - if (!pxa25x_ssp_comp(drv_data)) - pxa2xx_spi_write(drv_data, SSTO, 0); + if (pxa25x_ssp_comp(drv_data)) + return; + + pxa2xx_spi_write(drv_data, SSTO, 0); +} + +static void int_error_stop(struct driver_data *drv_data, const char *msg) +{ + int_stop_and_reset(drv_data); pxa2xx_spi_flush(drv_data); pxa2xx_spi_off(drv_data); @@ -638,11 +645,7 @@ static void int_error_stop(struct driver_data *drv_data, const char* msg) static void int_transfer_complete(struct driver_data *drv_data) { - /* Clear and disable interrupts */ - write_SSSR_CS(drv_data, drv_data->clear_sr); - reset_sccr1(drv_data); - if (!pxa25x_ssp_comp(drv_data)) - pxa2xx_spi_write(drv_data, SSTO, 0); + int_stop_and_reset(drv_data); spi_finalize_current_transfer(drv_data->controller); } @@ -1151,11 +1154,7 @@ static int pxa2xx_spi_slave_abort(struct spi_controller *controller) { struct driver_data *drv_data = spi_controller_get_devdata(controller); - /* Stop and reset SSP */ - write_SSSR_CS(drv_data, drv_data->clear_sr); - reset_sccr1(drv_data); - if (!pxa25x_ssp_comp(drv_data)) - pxa2xx_spi_write(drv_data, SSTO, 0); + int_stop_and_reset(drv_data); pxa2xx_spi_flush(drv_data); pxa2xx_spi_off(drv_data); From patchwork Fri Apr 23 16:34:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220917 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEED9C43460 for ; Fri, 23 Apr 2021 16:35:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B2C8A611C1 for ; Fri, 23 Apr 2021 16:35:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243375AbhDWQfz (ORCPT ); Fri, 23 Apr 2021 12:35:55 -0400 Received: from mga14.intel.com ([192.55.52.115]:20379 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243292AbhDWQfk (ORCPT ); Fri, 23 Apr 2021 12:35:40 -0400 IronPort-SDR: /wBeZFlCjEwNC4rbzsXBFpk9Sb6Q1P1wdis3jaWoHzxGEqCbyMLB7+t2H6PqjdBFrkt3oIxSD5 4TrwpKCGYtCg== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="195652441" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="195652441" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:46 -0700 IronPort-SDR: fkTnTs0z2tR2E1nmQPbK+lfL2UhtvcJKeyLDogh3UptUbyzrWZ2z8bDM8MlwUeSgWRSh1Vtmy0 YZP4rpKREHCg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="603586318" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 23 Apr 2021 09:34:41 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 3E633450; Fri, 23 Apr 2021 19:34:57 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 08/14] spi: pxa2xx: Reuse int_error_stop() in pxa2xx_spi_slave_abort() Date: Fri, 23 Apr 2021 19:34:31 +0300 Message-Id: <20210423163437.89306-8-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org It appears that pxa2xx_spi_slave_abort()almost repeats the functionality of the int_error_stop(). Reuse int_error_stop() in pxa2xx_spi_slave_abort(). Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 4dab47e18d10..85a8d228a117 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -631,7 +631,7 @@ static void int_stop_and_reset(struct driver_data *drv_data) pxa2xx_spi_write(drv_data, SSTO, 0); } -static void int_error_stop(struct driver_data *drv_data, const char *msg) +static void int_error_stop(struct driver_data *drv_data, const char *msg, int err) { int_stop_and_reset(drv_data); pxa2xx_spi_flush(drv_data); @@ -639,7 +639,7 @@ static void int_error_stop(struct driver_data *drv_data, const char *msg) dev_err(drv_data->ssp->dev, "%s\n", msg); - drv_data->controller->cur_msg->status = -EIO; + drv_data->controller->cur_msg->status = err; spi_finalize_current_transfer(drv_data->controller); } @@ -658,12 +658,12 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data) u32 irq_status = pxa2xx_spi_read(drv_data, SSSR) & irq_mask; if (irq_status & SSSR_ROR) { - int_error_stop(drv_data, "interrupt_transfer: fifo overrun"); + int_error_stop(drv_data, "interrupt_transfer: fifo overrun", -EIO); return IRQ_HANDLED; } if (irq_status & SSSR_TUR) { - int_error_stop(drv_data, "interrupt_transfer: fifo underrun"); + int_error_stop(drv_data, "interrupt_transfer: fifo underrun", -EIO); return IRQ_HANDLED; } @@ -1154,14 +1154,7 @@ static int pxa2xx_spi_slave_abort(struct spi_controller *controller) { struct driver_data *drv_data = spi_controller_get_devdata(controller); - int_stop_and_reset(drv_data); - pxa2xx_spi_flush(drv_data); - pxa2xx_spi_off(drv_data); - - dev_dbg(drv_data->ssp->dev, "transfer aborted\n"); - - drv_data->controller->cur_msg->status = -EINTR; - spi_finalize_current_transfer(drv_data->controller); + int_error_stop(drv_data, "transfer aborted", -EINTR); return 0; } From patchwork Fri Apr 23 16:34:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220909 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79CBDC43460 for ; Fri, 23 Apr 2021 16:34:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 47DBA6147F for ; Fri, 23 Apr 2021 16:34:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243207AbhDWQfZ (ORCPT ); Fri, 23 Apr 2021 12:35:25 -0400 Received: from mga17.intel.com ([192.55.52.151]:13055 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243068AbhDWQfY (ORCPT ); Fri, 23 Apr 2021 12:35:24 -0400 IronPort-SDR: oPv1gf27zzhvAxess9cEkMkyA7PU8739GOMjgWSdeOtz558is1JgTBtTVU0bZdqEuoUTDk810c C/XrrSlPYbOQ== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="176217722" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="176217722" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:46 -0700 IronPort-SDR: vEDP9aopMRTVWRBkervBkBsbBqCCD7PG7/dFNsnBxJZ+W3lPo+TE7PYZ4aurCvosSC7hfmrov3 oDFmg0u84msg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="385139919" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga003.jf.intel.com with ESMTP; 23 Apr 2021 09:34:41 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id AD9734A3; Fri, 23 Apr 2021 19:34:57 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 09/14] spi: pxa2xx: Use pxa_ssp_enable()/pxa_ssp_disable() in the driver Date: Fri, 23 Apr 2021 19:34:32 +0300 Message-Id: <20210423163437.89306-9-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org There are few places that repeat the logic of pxa_ssp_enable() and pxa_ssp_disable(). Use them instead of open coded variants. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx-dma.c | 4 +--- drivers/spi/spi-pxa2xx.c | 36 +++++++++++++++++----------------- include/linux/spi/pxa2xx_ssp.h | 16 +++++++++++++++ sound/soc/pxa/pxa-ssp.c | 16 --------------- 4 files changed, 35 insertions(+), 37 deletions(-) diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c index e00dbadd39ec..5ca01ad7f460 100644 --- a/drivers/spi/spi-pxa2xx-dma.c +++ b/drivers/spi/spi-pxa2xx-dma.c @@ -50,9 +50,7 @@ static void pxa2xx_spi_dma_transfer_complete(struct driver_data *drv_data, if (error) { /* In case we got an error we disable the SSP now */ - pxa2xx_spi_write(drv_data, SSCR0, - pxa2xx_spi_read(drv_data, SSCR0) - & ~SSCR0_SSE); + pxa_ssp_disable(drv_data->ssp); msg->status = -EIO; } diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 85a8d228a117..f85c7439757c 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -286,13 +286,11 @@ static u32 pxa2xx_configure_sscr0(const struct driver_data *drv_data, case QUARK_X1000_SSP: return clk_div | QUARK_X1000_SSCR0_Motorola - | QUARK_X1000_SSCR0_DataSize(bits > 32 ? 8 : bits) - | SSCR0_SSE; + | QUARK_X1000_SSCR0_DataSize(bits > 32 ? 8 : bits); default: return clk_div | SSCR0_Motorola | SSCR0_DataSize(bits > 16 ? bits - 16 : bits) - | SSCR0_SSE | (bits > 16 ? SSCR0_EDSS : 0); } } @@ -498,8 +496,7 @@ static void pxa2xx_spi_off(struct driver_data *drv_data) if (is_mmp2_ssp(drv_data)) return; - pxa2xx_spi_write(drv_data, SSCR0, - pxa2xx_spi_read(drv_data, SSCR0) & ~SSCR0_SSE); + pxa_ssp_disable(drv_data->ssp); } static int null_writer(struct driver_data *drv_data) @@ -1098,25 +1095,26 @@ static int pxa2xx_spi_transfer_one(struct spi_controller *controller, (pxa2xx_spi_read(drv_data, DDS_RATE) != chip->dds_rate)) pxa2xx_spi_write(drv_data, DDS_RATE, chip->dds_rate); + /* Stop the SSP */ + if (!is_mmp2_ssp(drv_data)) + pxa_ssp_disable(drv_data->ssp); + + if (!pxa25x_ssp_comp(drv_data)) + pxa2xx_spi_write(drv_data, SSTO, chip->timeout); + /* see if we need to reload the config registers */ if ((pxa2xx_spi_read(drv_data, SSCR0) != cr0) || (pxa2xx_spi_read(drv_data, SSCR1) & change_mask) != (cr1 & change_mask)) { - /* stop the SSP, and update the other bits */ - if (!is_mmp2_ssp(drv_data)) - pxa2xx_spi_write(drv_data, SSCR0, cr0 & ~SSCR0_SSE); - if (!pxa25x_ssp_comp(drv_data)) - pxa2xx_spi_write(drv_data, SSTO, chip->timeout); /* first set CR1 without interrupt and service enables */ pxa2xx_spi_write(drv_data, SSCR1, cr1 & change_mask); - /* restart the SSP */ + /* Update the other bits */ pxa2xx_spi_write(drv_data, SSCR0, cr0); - - } else { - if (!pxa25x_ssp_comp(drv_data)) - pxa2xx_spi_write(drv_data, SSTO, chip->timeout); } + /* Restart the SSP */ + pxa_ssp_enable(drv_data->ssp); + if (is_mmp2_ssp(drv_data)) { u8 tx_level = (pxa2xx_spi_read(drv_data, SSSR) & SSSR_TFL_MASK) >> 8; @@ -1782,8 +1780,9 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) controller->min_speed_hz = DIV_ROUND_UP(controller->max_speed_hz, 512); + pxa_ssp_disable(ssp); + /* Load default SSP configuration */ - pxa2xx_spi_write(drv_data, SSCR0, 0); switch (drv_data->ssp_type) { case QUARK_X1000_SSP: tmp = QUARK_X1000_SSCR1_RxTresh(RX_THRESH_QUARK_X1000_DFLT) | @@ -1924,7 +1923,7 @@ static int pxa2xx_spi_remove(struct platform_device *pdev) spi_unregister_controller(drv_data->controller); /* Disable the SSP at the peripheral and SOC level */ - pxa2xx_spi_write(drv_data, SSCR0, 0); + pxa_ssp_disable(ssp); clk_disable_unprepare(ssp->clk); /* Release DMA */ @@ -1953,7 +1952,8 @@ static int pxa2xx_spi_suspend(struct device *dev) status = spi_controller_suspend(drv_data->controller); if (status != 0) return status; - pxa2xx_spi_write(drv_data, SSCR0, 0); + + pxa_ssp_disable(ssp); if (!pm_runtime_suspended(dev)) clk_disable_unprepare(ssp->clk); diff --git a/include/linux/spi/pxa2xx_ssp.h b/include/linux/spi/pxa2xx_ssp.h index 1b6c1a0922bd..fdfbe17e15f4 100644 --- a/include/linux/spi/pxa2xx_ssp.h +++ b/include/linux/spi/pxa2xx_ssp.h @@ -254,6 +254,22 @@ static inline u32 pxa_ssp_read_reg(struct ssp_device *dev, u32 reg) return __raw_readl(dev->mmio_base + reg); } +static inline void pxa_ssp_enable(struct ssp_device *ssp) +{ + u32 sscr0; + + sscr0 = pxa_ssp_read_reg(ssp, SSCR0) | SSCR0_SSE; + pxa_ssp_write_reg(ssp, SSCR0, sscr0); +} + +static inline void pxa_ssp_disable(struct ssp_device *ssp) +{ + u32 sscr0; + + sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & ~SSCR0_SSE; + pxa_ssp_write_reg(ssp, SSCR0, sscr0); +} + #if IS_ENABLED(CONFIG_PXA_SSP) struct ssp_device *pxa_ssp_request(int port, const char *label); void pxa_ssp_free(struct ssp_device *); diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c index 710c8dbd18bc..5a83331fc160 100644 --- a/sound/soc/pxa/pxa-ssp.c +++ b/sound/soc/pxa/pxa-ssp.c @@ -62,22 +62,6 @@ static void dump_registers(struct ssp_device *ssp) pxa_ssp_read_reg(ssp, SSACD)); } -static void pxa_ssp_enable(struct ssp_device *ssp) -{ - uint32_t sscr0; - - sscr0 = __raw_readl(ssp->mmio_base + SSCR0) | SSCR0_SSE; - __raw_writel(sscr0, ssp->mmio_base + SSCR0); -} - -static void pxa_ssp_disable(struct ssp_device *ssp) -{ - uint32_t sscr0; - - sscr0 = __raw_readl(ssp->mmio_base + SSCR0) & ~SSCR0_SSE; - __raw_writel(sscr0, ssp->mmio_base + SSCR0); -} - static void pxa_ssp_set_dma_params(struct ssp_device *ssp, int width4, int out, struct snd_dmaengine_dai_dma_data *dma) { From patchwork Fri Apr 23 16:34:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220911 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1BF43C43603 for ; Fri, 23 Apr 2021 16:34:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E181A611BF for ; Fri, 23 Apr 2021 16:34:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243216AbhDWQf0 (ORCPT ); Fri, 23 Apr 2021 12:35:26 -0400 Received: from mga12.intel.com ([192.55.52.136]:48596 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243184AbhDWQfZ (ORCPT ); Fri, 23 Apr 2021 12:35:25 -0400 IronPort-SDR: xnVEGQKuIxN+AG4rIVqlipaCNujQGVDK7Nmk+SDnRRFpMthjSV/swJErAddEgZkIM5hYSKGARz GSlba72Jk01w== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="175581964" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="175581964" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:46 -0700 IronPort-SDR: 6xA0Mi8CKiWMRG1KFusnYfYvVd0Nn/aRW2ePEoUSML/Gts2GCVKhplyi1dpKECTZOjZ4ksZtLZ Mi2OGIt5NjzA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="614764930" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga006.fm.intel.com with ESMTP; 23 Apr 2021 09:34:42 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 30C5B52A; Fri, 23 Apr 2021 19:34:58 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 10/14] spi: pxa2xx: Extract pxa2xx_spi_update() helper Date: Fri, 23 Apr 2021 19:34:33 +0300 Message-Id: <20210423163437.89306-10-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org There are few places that repeat the logic of "update if changed". Extract pxa2xx_spi_update() helper to deduplicate that. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx.c | 33 ++++++++++++++------------------- 1 file changed, 14 insertions(+), 19 deletions(-) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index f85c7439757c..4b3237f14ead 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -200,6 +200,12 @@ static bool is_mmp2_ssp(const struct driver_data *drv_data) return drv_data->ssp_type == MMP2_SSP; } +static void pxa2xx_spi_update(const struct driver_data *drv_data, u32 reg, u32 mask, u32 value) +{ + if ((pxa2xx_spi_read(drv_data, reg) & mask) != value) + pxa2xx_spi_write(drv_data, reg, value & mask); +} + static u32 pxa2xx_spi_get_ssrc1_change_mask(const struct driver_data *drv_data) { switch (drv_data->ssp_type) { @@ -1081,19 +1087,12 @@ static int pxa2xx_spi_transfer_one(struct spi_controller *controller, dma_mapped ? "DMA" : "PIO"); if (is_lpss_ssp(drv_data)) { - if ((pxa2xx_spi_read(drv_data, SSIRF) & 0xff) - != chip->lpss_rx_threshold) - pxa2xx_spi_write(drv_data, SSIRF, - chip->lpss_rx_threshold); - if ((pxa2xx_spi_read(drv_data, SSITF) & 0xffff) - != chip->lpss_tx_threshold) - pxa2xx_spi_write(drv_data, SSITF, - chip->lpss_tx_threshold); + pxa2xx_spi_update(drv_data, SSIRF, GENMASK(7, 0), chip->lpss_rx_threshold); + pxa2xx_spi_update(drv_data, SSITF, GENMASK(15, 0), chip->lpss_tx_threshold); } - if (is_quark_x1000_ssp(drv_data) && - (pxa2xx_spi_read(drv_data, DDS_RATE) != chip->dds_rate)) - pxa2xx_spi_write(drv_data, DDS_RATE, chip->dds_rate); + if (is_quark_x1000_ssp(drv_data)) + pxa2xx_spi_update(drv_data, DDS_RATE, GENMASK(23, 0), chip->dds_rate); /* Stop the SSP */ if (!is_mmp2_ssp(drv_data)) @@ -1102,15 +1101,11 @@ static int pxa2xx_spi_transfer_one(struct spi_controller *controller, if (!pxa25x_ssp_comp(drv_data)) pxa2xx_spi_write(drv_data, SSTO, chip->timeout); + /* first set CR1 without interrupt and service enables */ + pxa2xx_spi_update(drv_data, SSCR1, change_mask, cr1); + /* see if we need to reload the config registers */ - if ((pxa2xx_spi_read(drv_data, SSCR0) != cr0) - || (pxa2xx_spi_read(drv_data, SSCR1) & change_mask) - != (cr1 & change_mask)) { - /* first set CR1 without interrupt and service enables */ - pxa2xx_spi_write(drv_data, SSCR1, cr1 & change_mask); - /* Update the other bits */ - pxa2xx_spi_write(drv_data, SSCR0, cr0); - } + pxa2xx_spi_update(drv_data, SSCR0, GENMASK(31, 0), cr0); /* Restart the SSP */ pxa_ssp_enable(drv_data->ssp); From patchwork Fri Apr 23 16:34:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220905 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD1FBC43619 for ; Fri, 23 Apr 2021 16:34:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 910B56147E for ; Fri, 23 Apr 2021 16:34:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243153AbhDWQfY (ORCPT ); Fri, 23 Apr 2021 12:35:24 -0400 Received: from mga03.intel.com ([134.134.136.65]:32277 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243031AbhDWQfX (ORCPT ); Fri, 23 Apr 2021 12:35:23 -0400 IronPort-SDR: xXWs1KkKinVnpxQYC6aUvWxL6EMQos3PQld6lQVJYq/e6q3wdahxOjtejka44GiHWq8TpWkhQV ZkOcb8rBbDvQ== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="196156394" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="196156394" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:46 -0700 IronPort-SDR: tBkOKguHsDaUTsBA2TGqoa6pqVKWWlEcS6tdJGhI6hcLc/EgMhEjfWEc2G0qfd43LnJxBInm7i eZ/YHjFz+LSw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="525064589" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 23 Apr 2021 09:34:42 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id C4B3313C; Fri, 23 Apr 2021 19:34:58 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 11/14] spi: pxa2xx: Extract clear_SSCR1_bits() helper Date: Fri, 23 Apr 2021 19:34:34 +0300 Message-Id: <20210423163437.89306-11-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org There are few places that repeat the logic of "clear some bits in SSCR1". Extract clear_SSCR1_bits() helper to deduplicate that. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx-dma.c | 4 +--- drivers/spi/spi-pxa2xx.c | 7 ++----- drivers/spi/spi-pxa2xx.h | 5 +++++ 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c index 5ca01ad7f460..e581027e99f9 100644 --- a/drivers/spi/spi-pxa2xx-dma.c +++ b/drivers/spi/spi-pxa2xx-dma.c @@ -41,9 +41,7 @@ static void pxa2xx_spi_dma_transfer_complete(struct driver_data *drv_data, } /* Clear status & disable interrupts */ - pxa2xx_spi_write(drv_data, SSCR1, - pxa2xx_spi_read(drv_data, SSCR1) - & ~drv_data->dma_cr1); + clear_SSCR1_bits(drv_data, drv_data->dma_cr1); write_SSSR_CS(drv_data, drv_data->clear_sr); if (!pxa25x_ssp_comp(drv_data)) pxa2xx_spi_write(drv_data, SSTO, 0); diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 4b3237f14ead..58178ba704dc 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -733,8 +733,7 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data) static void handle_bad_msg(struct driver_data *drv_data) { pxa2xx_spi_off(drv_data); - pxa2xx_spi_write(drv_data, SSCR1, - pxa2xx_spi_read(drv_data, SSCR1) & ~drv_data->int_cr1); + clear_SSCR1_bits(drv_data, drv_data->int_cr1); if (!pxa25x_ssp_comp(drv_data)) pxa2xx_spi_write(drv_data, SSTO, 0); write_SSSR_CS(drv_data, drv_data->clear_sr); @@ -1161,9 +1160,7 @@ static void pxa2xx_spi_handle_err(struct spi_controller *controller, pxa2xx_spi_off(drv_data); /* Clear and disable interrupts and service requests */ write_SSSR_CS(drv_data, drv_data->clear_sr); - pxa2xx_spi_write(drv_data, SSCR1, - pxa2xx_spi_read(drv_data, SSCR1) - & ~(drv_data->int_cr1 | drv_data->dma_cr1)); + clear_SSCR1_bits(drv_data, drv_data->int_cr1 | drv_data->dma_cr1); if (!pxa25x_ssp_comp(drv_data)) pxa2xx_spi_write(drv_data, SSTO, 0); diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index b6dae0981b61..398dbd680208 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -105,6 +105,11 @@ static inline int pxa25x_ssp_comp(struct driver_data *drv_data) } } +static inline void clear_SSCR1_bits(const struct driver_data *drv_data, u32 bits) +{ + pxa2xx_spi_write(drv_data, SSCR1, pxa2xx_spi_read(drv_data, SSCR1) & ~bits); +} + static inline void write_SSSR_CS(struct driver_data *drv_data, u32 val) { if (drv_data->ssp_type == CE4100_SSP || From patchwork Fri Apr 23 16:34:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220913 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E07C8C4363C for ; Fri, 23 Apr 2021 16:34:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BFE1761490 for ; Fri, 23 Apr 2021 16:34:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243162AbhDWQfY (ORCPT ); Fri, 23 Apr 2021 12:35:24 -0400 Received: from mga18.intel.com ([134.134.136.126]:61714 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243123AbhDWQfY (ORCPT ); Fri, 23 Apr 2021 12:35:24 -0400 IronPort-SDR: By6ezd7uPq6w0PZqDLSh0DItiTWYlI1RYQ/Cfmkku0mMNEKx822bgg/zholmrcqHVaPKOOusiy bXBQgXAeaM6Q== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="183575959" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="183575959" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:46 -0700 IronPort-SDR: gyf9XYHm7lNsEiglF1XINncmS7UM4JdP1T/RzO1euKkIm/RwQWjbbEDDaV45hQC1H1ibmc1PK8 /o9rWckOX3PQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="456284284" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 23 Apr 2021 09:34:42 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 4AF975D2; Fri, 23 Apr 2021 19:34:59 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 12/14] spi: pxa2xx: Extract read_SSSR_bits() helper Date: Fri, 23 Apr 2021 19:34:35 +0300 Message-Id: <20210423163437.89306-12-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org There are few places that repeat the logic of "read some bits from SSSR". Extract read_SSSR_bits() helper to deduplicate that. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx-dma.c | 9 +++------ drivers/spi/spi-pxa2xx.c | 26 +++++++++++--------------- drivers/spi/spi-pxa2xx.h | 7 ++++++- 3 files changed, 20 insertions(+), 22 deletions(-) diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c index e581027e99f9..f022d82dcb1b 100644 --- a/drivers/spi/spi-pxa2xx-dma.c +++ b/drivers/spi/spi-pxa2xx-dma.c @@ -34,11 +34,8 @@ static void pxa2xx_spi_dma_transfer_complete(struct driver_data *drv_data, * might not know about the error yet. So we re-check the * ROR bit here before we clear the status register. */ - if (!error) { - u32 status = pxa2xx_spi_read(drv_data, SSSR) - & drv_data->mask_sr; - error = status & SSSR_ROR; - } + if (!error) + error = read_SSSR_bits(drv_data, drv_data->mask_sr) & SSSR_ROR; /* Clear status & disable interrupts */ clear_SSCR1_bits(drv_data, drv_data->dma_cr1); @@ -119,7 +116,7 @@ irqreturn_t pxa2xx_spi_dma_transfer(struct driver_data *drv_data) { u32 status; - status = pxa2xx_spi_read(drv_data, SSSR) & drv_data->mask_sr; + status = read_SSSR_bits(drv_data, drv_data->mask_sr); if (status & SSSR_ROR) { dev_err(drv_data->ssp->dev, "FIFO overrun\n"); diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 58178ba704dc..5a4f808eefde 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -247,7 +247,7 @@ static bool pxa2xx_spi_txfifo_full(const struct driver_data *drv_data) break; } - return (pxa2xx_spi_read(drv_data, SSSR) & mask) == mask; + return read_SSSR_bits(drv_data, mask) == mask; } static void pxa2xx_spi_clear_rx_thre(const struct driver_data *drv_data, @@ -488,7 +488,7 @@ int pxa2xx_spi_flush(struct driver_data *drv_data) unsigned long limit = loops_per_jiffy << 1; do { - while (pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) + while (read_SSSR_bits(drv_data, SSSR_RNE)) pxa2xx_spi_read(drv_data, SSDR); } while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_BSY) && --limit); write_SSSR_CS(drv_data, SSSR_ROR); @@ -523,8 +523,7 @@ static int null_reader(struct driver_data *drv_data) { u8 n_bytes = drv_data->n_bytes; - while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) - && (drv_data->rx < drv_data->rx_end)) { + while (read_SSSR_bits(drv_data, SSSR_RNE) && drv_data->rx < drv_data->rx_end) { pxa2xx_spi_read(drv_data, SSDR); drv_data->rx += n_bytes; } @@ -546,8 +545,7 @@ static int u8_writer(struct driver_data *drv_data) static int u8_reader(struct driver_data *drv_data) { - while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) - && (drv_data->rx < drv_data->rx_end)) { + while (read_SSSR_bits(drv_data, SSSR_RNE) && drv_data->rx < drv_data->rx_end) { *(u8 *)(drv_data->rx) = pxa2xx_spi_read(drv_data, SSDR); ++drv_data->rx; } @@ -569,8 +567,7 @@ static int u16_writer(struct driver_data *drv_data) static int u16_reader(struct driver_data *drv_data) { - while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) - && (drv_data->rx < drv_data->rx_end)) { + while (read_SSSR_bits(drv_data, SSSR_RNE) && drv_data->rx < drv_data->rx_end) { *(u16 *)(drv_data->rx) = pxa2xx_spi_read(drv_data, SSDR); drv_data->rx += 2; } @@ -592,8 +589,7 @@ static int u32_writer(struct driver_data *drv_data) static int u32_reader(struct driver_data *drv_data) { - while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) - && (drv_data->rx < drv_data->rx_end)) { + while (read_SSSR_bits(drv_data, SSSR_RNE) && drv_data->rx < drv_data->rx_end) { *(u32 *)(drv_data->rx) = pxa2xx_spi_read(drv_data, SSDR); drv_data->rx += 4; } @@ -655,10 +651,11 @@ static void int_transfer_complete(struct driver_data *drv_data) static irqreturn_t interrupt_transfer(struct driver_data *drv_data) { - u32 irq_mask = (pxa2xx_spi_read(drv_data, SSCR1) & SSCR1_TIE) ? - drv_data->mask_sr : drv_data->mask_sr & ~SSSR_TFS; + u32 irq_status; - u32 irq_status = pxa2xx_spi_read(drv_data, SSSR) & irq_mask; + irq_status = read_SSSR_bits(drv_data, drv_data->mask_sr); + if (!(pxa2xx_spi_read(drv_data, SSCR1) & SSCR1_TIE)) + irq_status &= ~SSSR_TFS; if (irq_status & SSSR_ROR) { int_error_stop(drv_data, "interrupt_transfer: fifo overrun", -EIO); @@ -1110,8 +1107,7 @@ static int pxa2xx_spi_transfer_one(struct spi_controller *controller, pxa_ssp_enable(drv_data->ssp); if (is_mmp2_ssp(drv_data)) { - u8 tx_level = (pxa2xx_spi_read(drv_data, SSSR) - & SSSR_TFL_MASK) >> 8; + u8 tx_level = read_SSSR_bits(drv_data, SSSR_TFL_MASK) >> 8; if (tx_level) { /* On MMP2, flipping SSE doesn't to empty TXFIFO. */ diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index 398dbd680208..6d4273772b1f 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -110,11 +110,16 @@ static inline void clear_SSCR1_bits(const struct driver_data *drv_data, u32 bits pxa2xx_spi_write(drv_data, SSCR1, pxa2xx_spi_read(drv_data, SSCR1) & ~bits); } +static inline u32 read_SSSR_bits(const struct driver_data *drv_data, u32 bits) +{ + return pxa2xx_spi_read(drv_data, SSSR) & bits; +} + static inline void write_SSSR_CS(struct driver_data *drv_data, u32 val) { if (drv_data->ssp_type == CE4100_SSP || drv_data->ssp_type == QUARK_X1000_SSP) - val |= pxa2xx_spi_read(drv_data, SSSR) & SSSR_ALT_FRM_MASK; + val |= read_SSSR_bits(drv_data, SSSR_ALT_FRM_MASK); pxa2xx_spi_write(drv_data, SSSR, val); } From patchwork Fri Apr 23 16:34:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220919 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C683AC433B4 for ; Fri, 23 Apr 2021 16:35:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 952CE61445 for ; Fri, 23 Apr 2021 16:35:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243344AbhDWQgB (ORCPT ); Fri, 23 Apr 2021 12:36:01 -0400 Received: from mga14.intel.com ([192.55.52.115]:20379 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243364AbhDWQfy (ORCPT ); Fri, 23 Apr 2021 12:35:54 -0400 IronPort-SDR: 4SPLtwCQMWOL0y2B26pi31VojIDz8I7WqlVF4XU3CTo2Tip8/YAzwhHSg3bQBXiiPJWCZXwUgU ggmnioeaVcig== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="195652446" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="195652446" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:47 -0700 IronPort-SDR: hSIP1+bRkmKt1adt4FLJFYKuhVUPTnI6LiJ5KLnqJl+Aj0A26D1jM/EHN9L5ZGOoEjFVDWNM71 FpIQuu00Mzww== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="603586330" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 23 Apr 2021 09:34:42 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id BBD4116A; Fri, 23 Apr 2021 19:34:59 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 13/14] spi: pxa2xx: Constify struct driver_data parameter Date: Fri, 23 Apr 2021 19:34:36 +0300 Message-Id: <20210423163437.89306-13-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org In a couple of functions the contents of struct driver_data are not altered, hence we may constify the respective function parameter. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index 6d4273772b1f..301969fc3c95 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -93,7 +93,7 @@ static inline void pxa2xx_spi_write(const struct driver_data *drv_data, u32 reg, #define DMA_ALIGNMENT 8 -static inline int pxa25x_ssp_comp(struct driver_data *drv_data) +static inline int pxa25x_ssp_comp(const struct driver_data *drv_data) { switch (drv_data->ssp_type) { case PXA25x_SSP: @@ -115,7 +115,7 @@ static inline u32 read_SSSR_bits(const struct driver_data *drv_data, u32 bits) return pxa2xx_spi_read(drv_data, SSSR) & bits; } -static inline void write_SSSR_CS(struct driver_data *drv_data, u32 val) +static inline void write_SSSR_CS(const struct driver_data *drv_data, u32 val) { if (drv_data->ssp_type == CE4100_SSP || drv_data->ssp_type == QUARK_X1000_SSP) From patchwork Fri Apr 23 16:34:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220915 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7A1CC43616 for ; Fri, 23 Apr 2021 16:34:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8FBA761464 for ; Fri, 23 Apr 2021 16:34:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243226AbhDWQf2 (ORCPT ); Fri, 23 Apr 2021 12:35:28 -0400 Received: from mga01.intel.com ([192.55.52.88]:32278 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231504AbhDWQf0 (ORCPT ); Fri, 23 Apr 2021 12:35:26 -0400 IronPort-SDR: LEbJDbCM5TRNqe9YHNnq9EefY024uthkyK0DSNyFVuljC3SuWrhkVeTD8CrmThdiyGsixZDDaR u4WUUAxlRikw== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="216782558" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="216782558" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:48 -0700 IronPort-SDR: ZfNVxrOLgu95YdAIHQN5YDKnzDgAu+eRebKmZAfdwpq0Q/vM9f60nBp2doWFT8LrSnx1HEGvl0 z3AAXHeuU0gw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="424290615" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga007.jf.intel.com with ESMTP; 23 Apr 2021 09:34:44 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 45F3717E; Fri, 23 Apr 2021 19:35:00 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Cc: Dmitry Torokhov , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 14/14] spi: pxa2xx: Introduce special type for Merrifield SPIs Date: Fri, 23 Apr 2021 19:34:37 +0300 Message-Id: <20210423163437.89306-14-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Intel Merrifield SPI is actually more closer to PXA3xx. It has extended FIFO (32 bytes) and additional registers to get or set FIFO thresholds. Introduce new type for Intel Merrifield SPI host controllers and handle bigger FIFO size. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx-pci.c | 2 +- drivers/spi/spi-pxa2xx.c | 32 +++++++++++++++++++++++++++++--- include/linux/spi/pxa2xx_ssp.h | 16 ++++++++++++++++ 3 files changed, 46 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index 5af0a3fbc1b0..5df6e11b345d 100644 --- a/drivers/spi/spi-pxa2xx-pci.c +++ b/drivers/spi/spi-pxa2xx-pci.c @@ -179,7 +179,7 @@ static struct pxa_spi_info spi_info_configs[] = { .rx_param = &bsw2_rx_param, }, [PORT_MRFLD] = { - .type = PXA27x_SSP, + .type = MRFLD_SSP, .max_clk_rate = 25000000, .setup = mrfld_spi_setup, }, diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 5a4f808eefde..313095bfa7dd 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -200,6 +200,11 @@ static bool is_mmp2_ssp(const struct driver_data *drv_data) return drv_data->ssp_type == MMP2_SSP; } +static bool is_mrfld_ssp(const struct driver_data *drv_data) +{ + return drv_data->ssp_type == MRFLD_SSP; +} + static void pxa2xx_spi_update(const struct driver_data *drv_data, u32 reg, u32 mask, u32 value) { if ((pxa2xx_spi_read(drv_data, reg) & mask) != value) @@ -1087,6 +1092,15 @@ static int pxa2xx_spi_transfer_one(struct spi_controller *controller, pxa2xx_spi_update(drv_data, SSITF, GENMASK(15, 0), chip->lpss_tx_threshold); } + if (is_mrfld_ssp(drv_data)) { + u32 thresh = 0; + + thresh |= SFIFOTT_RxThresh(chip->lpss_rx_threshold); + thresh |= SFIFOTT_TxThresh(chip->lpss_tx_threshold); + + pxa2xx_spi_update(drv_data, SFIFOTT, 0xffffffff, thresh); + } + if (is_quark_x1000_ssp(drv_data)) pxa2xx_spi_update(drv_data, DDS_RATE, GENMASK(23, 0), chip->dds_rate); @@ -1253,6 +1267,11 @@ static int setup(struct spi_device *spi) tx_hi_thres = 0; rx_thres = RX_THRESH_QUARK_X1000_DFLT; break; + case MRFLD_SSP: + tx_thres = TX_THRESH_MRFLD_DFLT; + tx_hi_thres = 0; + rx_thres = RX_THRESH_MRFLD_DFLT; + break; case CE4100_SSP: tx_thres = TX_THRESH_CE4100_DFLT; tx_hi_thres = 0; @@ -1328,9 +1347,16 @@ static int setup(struct spi_device *spi) chip->cr1 |= SSCR1_SPH; } - chip->lpss_rx_threshold = SSIRF_RxThresh(rx_thres); - chip->lpss_tx_threshold = SSITF_TxLoThresh(tx_thres) - | SSITF_TxHiThresh(tx_hi_thres); + if (is_lpss_ssp(drv_data)) { + chip->lpss_rx_threshold = SSIRF_RxThresh(rx_thres); + chip->lpss_tx_threshold = SSITF_TxLoThresh(tx_thres) | + SSITF_TxHiThresh(tx_hi_thres); + } + + if (is_mrfld_ssp(drv_data)) { + chip->lpss_rx_threshold = rx_thres; + chip->lpss_tx_threshold = tx_thres; + } /* set dma burst and threshold outside of chip_info path so that if * chip_info goes away after setting chip->enable_dma, the diff --git a/include/linux/spi/pxa2xx_ssp.h b/include/linux/spi/pxa2xx_ssp.h index fdfbe17e15f4..2b21bc1f3c73 100644 --- a/include/linux/spi/pxa2xx_ssp.h +++ b/include/linux/spi/pxa2xx_ssp.h @@ -183,6 +183,21 @@ struct device_node; #define SSACD_ACPS(x) ((x) << 4) /* Audio clock PLL select */ #define SSACD_SCDX8 BIT(7) /* SYSCLK division ratio select */ +/* Intel Merrifield SSP */ +#define SFIFOL 0x68 /* FIFO level */ +#define SFIFOTT 0x6c /* FIFO trigger threshold */ + +#define RX_THRESH_MRFLD_DFLT 16 +#define TX_THRESH_MRFLD_DFLT 16 + +#define SFIFOL_TFL_MASK GENMASK(15, 0) /* Transmit FIFO Level mask */ +#define SFIFOL_RFL_MASK GENMASK(31, 16) /* Receive FIFO Level mask */ + +#define SFIFOTT_TFT GENMASK(15, 0) /* Transmit FIFO Threshold (mask) */ +#define SFIFOTT_TxThresh(x) (((x) - 1) << 0) /* TX FIFO trigger threshold / level */ +#define SFIFOTT_RFT GENMASK(31, 16) /* Receive FIFO Threshold (mask) */ +#define SFIFOTT_RxThresh(x) (((x) - 1) << 16) /* RX FIFO trigger threshold / level */ + /* LPSS SSP */ #define SSITF 0x44 /* TX FIFO trigger level */ #define SSITF_TxHiThresh(x) (((x) - 1) << 0) @@ -205,6 +220,7 @@ enum pxa_ssp_type { MMP2_SSP, PXA910_SSP, CE4100_SSP, + MRFLD_SSP, QUARK_X1000_SSP, LPSS_LPT_SSP, /* Keep LPSS types sorted with lpss_platforms[] */ LPSS_BYT_SSP,