From patchwork Tue May 11 14:17:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12251143 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=-14.0 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 460EAC433B4 for ; Tue, 11 May 2021 14:17:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1803D61155 for ; Tue, 11 May 2021 14:17:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231857AbhEKOTB (ORCPT ); Tue, 11 May 2021 10:19:01 -0400 Received: from mga12.intel.com ([192.55.52.136]:39655 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231874AbhEKOS6 (ORCPT ); Tue, 11 May 2021 10:18:58 -0400 IronPort-SDR: VBW2aSppZNLuaiXwd0aCJfvTSzpRhLkeKNgYG7BB5kjJjWFqSVr+rUxjy3VLy4BhrdYAqJKI7x iPBpoo4kWB2w== X-IronPort-AV: E=McAfee;i="6200,9189,9981"; a="179045752" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="179045752" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 07:17:10 -0700 IronPort-SDR: sMTBIb3UrfRSQTkkHtDsfXe51LMmb48wvkl4bfyOyhDfveDi3YwAl1tAqrPJBG1QCBQk31LH4U YBeBMQaF6GGg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="621829411" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga006.fm.intel.com with ESMTP; 11 May 2021 07:17:06 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 75D003F6; Tue, 11 May 2021 17:17:27 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Cc: Daniel Mack , Haojian Zhuang , Robert Jarzmik , Liam Girdwood , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v3 4/8] spi: pxa2xx: Extract clear_SSCR1_bits() helper Date: Tue, 11 May 2021 17:17:21 +0300 Message-Id: <20210511141725.32097-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210511141725.32097-1-andriy.shevchenko@linux.intel.com> References: <20210511141725.32097-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@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 54eaa048651f..3a4ad16614f7 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 739e264feaa6..ed63f7165cd8 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 ||