[PATCH] dmaengine: idma64: print error message on platform_get_irq failure

From: Gustavo A. R. Silva
Date: Fri Jun 30 2017 - 03:34:16 EST


Print error message on platform_get_irq failure before return.

Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
---
drivers/dma/idma64.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 1953e57..08ade66 100644
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -637,8 +637,10 @@ static int idma64_platform_probe(struct platform_device *pdev)
return -ENOMEM;

chip->irq = platform_get_irq(pdev, 0);
- if (chip->irq < 0)
+ if (chip->irq < 0) {
+ dev_err(dev, "failed to get IRQ: %d\n", chip->irq);
return chip->irq;
+ }

mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
chip->regs = devm_ioremap_resource(dev, mem);
--
2.5.0