Re: [PATCH] crypto: ccp-platform: print error message on platform_get_irq failure

From: Gary R Hook
Date: Fri Jun 30 2017 - 11:09:49 EST


On 06/30/2017 12:59 AM, Gustavo A. R. Silva wrote:
Print error message on platform_get_irq failure before return.

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

diff --git a/drivers/crypto/ccp/ccp-platform.c
b/drivers/crypto/ccp/ccp-platform.c
index e26969e..6020c4a 100644
--- a/drivers/crypto/ccp/ccp-platform.c
+++ b/drivers/crypto/ccp/ccp-platform.c
@@ -66,8 +66,10 @@ static int ccp_get_irq(struct ccp_device *ccp)
int ret;

ret = platform_get_irq(pdev, 0);
- if (ret < 0)
+ if (ret < 0) {
+ dev_notice(dev, "unable to get IRQ (%d)\n", ret);
return ret;
+ }

Good find.

I'm all for better and more messages, but I'd like to see more detail here, and in the
later dev_notice(). Can we have the messages better reflect the failure points?


ccp->irq = ret;
ret = request_irq(ccp->irq, ccp->vdata->perform->irqhandler, 0,
--
2.5.0