dmaengine: Remove dev_err() usage after platform_get_irq()

We don't need dev_err() messages when platform_get_irq() fails now that
platform_get_irq() prints an error message itself when something goes
wrong. Let's remove these prints with a simple semantic patch.

// <smpl>
@@
expression ret;
struct platform_device *E;
@@

ret =
(
platform_get_irq(E, ...)
|
platform_get_irq_byname(E, ...)
);

if ( \( ret < 0 \| ret <= 0 \) )
{
(
-if (ret != -EPROBE_DEFER)
-{ ...
-dev_err(...);
-... }
|
...
-dev_err(...);
)
...
}
// </smpl>

While we're here, remove braces on if statements that only have one
statement (manually).

Cc: Vinod Koul <vkoul@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: dmaengine@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20190730181557.90391-11-swboyd@chromium.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c
index ef4d109e7189..e4cbe38d1b83 100644
--- a/drivers/dma/stm32-dma.c
+++ b/drivers/dma/stm32-dma.c
@@ -1366,12 +1366,8 @@ static int stm32_dma_probe(struct platform_device *pdev)
 	for (i = 0; i < STM32_DMA_MAX_CHANNELS; i++) {
 		chan = &dmadev->chan[i];
 		ret = platform_get_irq(pdev, i);
-		if (ret < 0)  {
-			if (ret != -EPROBE_DEFER)
-				dev_err(&pdev->dev,
-					"No irq resource for chan %d\n", i);
+		if (ret < 0)
 			goto err_unregister;
-		}
 		chan->irq = ret;
 
 		ret = devm_request_irq(&pdev->dev, chan->irq,