diff mbox series

[v1,1/1] dmaengine: Simplify dmaenginem_async_device_register() function

Message ID 20230130112830.52353-1-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted
Commit a1beaa50b583a4f137048ff6e55bd2328a4e4362
Headers show
Series [v1,1/1] dmaengine: Simplify dmaenginem_async_device_register() function | expand

Commit Message

Andy Shevchenko Jan. 30, 2023, 11:28 a.m. UTC 
Use devm_add_action_or_reset() instead of devres_alloc() and
devres_add(), which works the same. This will simplify the
code. There is no functional changes.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/dma/dmaengine.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

Comments

Vinod Koul Feb. 10, 2023, 6:08 a.m. UTC | #1 
On 30-01-23, 13:28, Andy Shevchenko wrote:
> Use devm_add_action_or_reset() instead of devres_alloc() and
> devres_add(), which works the same. This will simplify the
> code. There is no functional changes.

Applied, thanks
diff mbox series

Patch

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 4957f811d390..c24bca210104 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -1323,11 +1323,8 @@  void dma_async_device_unregister(struct dma_device *device)
 }
 EXPORT_SYMBOL(dma_async_device_unregister);
 
-static void dmam_device_release(struct device *dev, void *res)
+static void dmaenginem_async_device_unregister(void *device)
 {
-	struct dma_device *device;
-
-	device = *(struct dma_device **)res;
 	dma_async_device_unregister(device);
 }
 
@@ -1339,22 +1336,13 @@  static void dmam_device_release(struct device *dev, void *res)
  */
 int dmaenginem_async_device_register(struct dma_device *device)
 {
-	void *p;
 	int ret;
 
-	p = devres_alloc(dmam_device_release, sizeof(void *), GFP_KERNEL);
-	if (!p)
-		return -ENOMEM;
-
 	ret = dma_async_device_register(device);
-	if (!ret) {
-		*(struct dma_device **)p = device;
-		devres_add(device->dev, p);
-	} else {
-		devres_free(p);
-	}
+	if (ret)
+		return ret;
 
-	return ret;
+	return devm_add_action(device->dev, dmaenginem_async_device_unregister, device);
 }
 EXPORT_SYMBOL(dmaenginem_async_device_register);