From patchwork Tue Apr 19 13:37:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 12818539 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0EDC5C433EF for ; Tue, 19 Apr 2022 13:50:06 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 3AE001ADD; Tue, 19 Apr 2022 15:49:14 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3AE001ADD DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1650376204; bh=9+ljq5dQueH2G15TUC+ZLkwgSkKDWfTDa0M3UxfDvzI=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=EeraXwcTXjtLjAqgy0KpP+ZeEc0AA21PywofHkaa1antNxSP0LKmOlQeR7Ay01Tq1 dKupbtwvkTku27umWiygaNTcTULk8ZAgyD53G1UtbjOi9iZHM7mP1KgFlQd3CiA4VA uyP5esVDqBF1uk/9+MFrBRrPgujWvRWnSOES5Zt8= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 1C8C7F805B5; Tue, 19 Apr 2022 15:43:31 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 3BF3BF8025D; Tue, 19 Apr 2022 15:40:46 +0200 (CEST) Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id A7587F80121 for ; Tue, 19 Apr 2022 15:40:39 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A7587F80121 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UZEWjobJ" Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 3746DB81982; Tue, 19 Apr 2022 13:40:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9990AC385AF; Tue, 19 Apr 2022 13:40:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650375608; bh=9+ljq5dQueH2G15TUC+ZLkwgSkKDWfTDa0M3UxfDvzI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UZEWjobJJdf/97+RsHjNB+jMk4tP3Pl4vgk6cxlQnhU41tj2I/yINK+gRoMdoNOUR Y7MRcUEAGnlNliwHS5DlBG2gtVRR+NX39wFuq/IGF0bnCo9HD4/Ko6wpnFF46X1ylv iALan+QzhQpH4nbYopoyAajxQA2oBzcqItCFMpy/SY9vH4HlIcvpT8NRLMP54afeyx u1+GxMJCkZOQYlBflCn6XehmD8eQEUOxgT0Tgy+CE5qdUt9iLLhEzYm8twoL8sueZd +tmqfAeeno42q0iwsr0p6BakCbrKJuvbO2sq+/dI7pXW42969rnsk5HKJ4ZbkYUR14 LrA6BeSwSde3w== From: Arnd Bergmann To: linux-omap@vger.kernel.org, tony@atomide.com, aaro.koskinen@iki.fi, jmkrzyszt@gmail.com Subject: [PATCH 20/41] dma: omap: hide legacy interface Date: Tue, 19 Apr 2022 15:37:02 +0200 Message-Id: <20220419133723.1394715-21-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20220419133723.1394715-1-arnd@kernel.org> References: <20220419133723.1394715-1-arnd@kernel.org> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 19 Apr 2022 15:43:16 +0200 Cc: Ulf Hansson , Dmitry Torokhov , Linus Walleij , linux-fbdev@vger.kernel.org, Dominik Brodowski , Lee Jones , Daniel Thompson , Kevin Hilman , Peter Ujfalusi , Helge Deller , Russell King , Krzysztof Kozlowski , Alan Stern , linux-serial@vger.kernel.org, linux-input@vger.kernel.org, Arnd Bergmann , Mark Brown , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Felipe Balbi , Paul Walmsley , Jingoo Han , linux-usb@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Vinod Koul , dmaengine@vger.kernel.org, alsa-devel@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Arnd Bergmann The legacy interface for omap-dma is only used on OMAP1, and the same is true for the non-DT case. Make both of these conditional on CONFIG_ARCH_OMAP1 being set to simplify the dependency. The non-OMAP stub functions in include/linux/omap-dma.h are note needed any more either now, because they are only called on OMAP1. Signed-off-by: Arnd Bergmann Acked-By: Vinod Koul --- drivers/dma/ti/omap-dma.c | 19 +++++++++++++------ include/linux/omap-dma.h | 22 ---------------------- 2 files changed, 13 insertions(+), 28 deletions(-) diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c index 8e52a0dc1f78..27f5019bdc1e 100644 --- a/drivers/dma/ti/omap-dma.c +++ b/drivers/dma/ti/omap-dma.c @@ -699,6 +699,11 @@ static void omap_dma_put_lch(struct omap_dmadev *od, int lch) mutex_unlock(&od->lch_lock); } +static inline bool omap_dma_legacy(struct omap_dmadev *od) +{ + return IS_ENABLED(CONFIG_ARCH_OMAP1) && od->legacy; +} + static int omap_dma_alloc_chan_resources(struct dma_chan *chan) { struct omap_dmadev *od = to_omap_dma_dev(chan->device); @@ -706,7 +711,7 @@ static int omap_dma_alloc_chan_resources(struct dma_chan *chan) struct device *dev = od->ddev.dev; int ret; - if (od->legacy) { + if (omap_dma_legacy(od)) { ret = omap_request_dma(c->dma_sig, "DMA engine", omap_dma_callback, c, &c->dma_ch); } else { @@ -718,7 +723,7 @@ static int omap_dma_alloc_chan_resources(struct dma_chan *chan) if (ret >= 0) { omap_dma_assign(od, c, c->dma_ch); - if (!od->legacy) { + if (!omap_dma_legacy(od)) { unsigned val; spin_lock_irq(&od->irq_lock); @@ -757,7 +762,7 @@ static void omap_dma_free_chan_resources(struct dma_chan *chan) struct omap_dmadev *od = to_omap_dma_dev(chan->device); struct omap_chan *c = to_omap_dma_chan(chan); - if (!od->legacy) { + if (!omap_dma_legacy(od)) { spin_lock_irq(&od->irq_lock); od->irq_enable_mask &= ~BIT(c->dma_ch); omap_dma_glbl_write(od, IRQENABLE_L1, od->irq_enable_mask); @@ -768,7 +773,7 @@ static void omap_dma_free_chan_resources(struct dma_chan *chan) od->lch_map[c->dma_ch] = NULL; vchan_free_chan_resources(&c->vc); - if (od->legacy) + if (omap_dma_legacy(od)) omap_free_dma(c->dma_ch); else omap_dma_put_lch(od, c->dma_ch); @@ -1674,12 +1679,14 @@ static int omap_dma_probe(struct platform_device *pdev) dev_err(&pdev->dev, "omap_system_dma_plat_info is missing"); return -ENODEV; } - } else { + } else if (IS_ENABLED(CONFIG_ARCH_OMAP1)) { od->cfg = &default_cfg; od->plat = omap_get_plat_info(); if (!od->plat) return -EPROBE_DEFER; + } else { + return -ENODEV; } od->reg_map = od->plat->reg_map; @@ -1855,7 +1862,7 @@ static int omap_dma_remove(struct platform_device *pdev) dma_async_device_unregister(&od->ddev); - if (!od->legacy) { + if (!omap_dma_legacy(od)) { /* Disable all interrupts */ omap_dma_glbl_write(od, IRQENABLE_L0, 0); } diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h index 07fa58ae9902..254b4e10511b 100644 --- a/include/linux/omap-dma.h +++ b/include/linux/omap-dma.h @@ -292,7 +292,6 @@ struct omap_system_dma_plat_info { #define dma_omap15xx() __dma_omap15xx(d) #define dma_omap16xx() __dma_omap16xx(d) -#if defined(CONFIG_ARCH_OMAP) extern struct omap_system_dma_plat_info *omap_get_plat_info(void); extern void omap_set_dma_priority(int lch, int dst_port, int priority); @@ -340,25 +339,4 @@ static inline int omap_lcd_dma_running(void) } #endif -#else /* CONFIG_ARCH_OMAP */ -static inline void omap_set_dma_priority(int lch, int dst_port, int priority) -{ -} - -static inline struct omap_system_dma_plat_info *omap_get_plat_info(void) -{ - return NULL; -} - -static inline int omap_request_dma(int dev_id, const char *dev_name, - void (*callback)(int lch, u16 ch_status, void *data), - void *data, int *dma_ch) -{ - return -ENODEV; -} - -static inline void omap_free_dma(int ch) { } - -#endif /* CONFIG_ARCH_OMAP */ - #endif /* __LINUX_OMAP_DMA_H */