linux-kernel - [PATCH v3 1/4] dmaengine: Replace dma_request_slave_channel() by dma_request

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Message-ID: <20250205145757.889247-2-andriy.shevchenko@linux.intel.com>
Date: Wed,  5 Feb 2025 16:57:09 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Vinod Koul <vkoul@...nel.org>,
	Amelie Delaunay <amelie.delaunay@...s.st.com>,
	Frank Li <Frank.Li@....com>,
	Paul Cercueil <paul@...pouillou.net>,
	Randy Dunlap <rdunlap@...radead.org>,
	dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org
Cc: Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v3 1/4] dmaengine: Replace dma_request_slave_channel() by dma_request_chan()

Replace dma_request_slave_channel() by dma_request_chan() as suggested
since the former is deprecated.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/dma/imx-sdma.c    | 5 ++---
 include/linux/dmaengine.h | 4 ++--
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 3449006cd14b..02a85d6f1bea 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1459,9 +1459,8 @@ static int sdma_alloc_chan_resources(struct dma_chan *chan)
 	 * dmatest, thus create 'struct imx_dma_data mem_data' for this case.
 	 * Please note in any other slave case, you have to setup chan->private
 	 * with 'struct imx_dma_data' in your own filter function if you want to
-	 * request dma channel by dma_request_channel() rather than
-	 * dma_request_slave_channel(). Othwise, 'MEMCPY in case?' will appear
-	 * to warn you to correct your filter function.
+	 * request DMA channel by dma_request_channel(), otherwise, 'MEMCPY in
+	 * case?' will appear to warn you to correct your filter function.
 	 */
 	if (!data) {
 		dev_dbg(sdmac->sdma->dev, "MEMCPY in case?\n");
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 346251bf1026..83cbf7197a76 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -1639,8 +1639,8 @@ static inline struct dma_chan
 {
 	struct dma_chan *chan;
 
-	chan = dma_request_slave_channel(dev, name);
-	if (chan)
+	chan = dma_request_chan(dev, name);
+	if (!IS_ERR(chan))
 		return chan;
 
 	if (!fn || !fn_param)
-- 
2.43.0.rc1.1336.g36b5255a03ac