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[08/20] misc: habanalabs: goya: goya_coresight: Remove set but unused variable 'val'

Message ID 20200629140442.1043957-9-lee.jones@linaro.org (mailing list archive)
State New, archived
Headers show
Series Fix a bunch more W=1 warnings in Misc | expand

Commit Message

Lee Jones June 29, 2020, 2:04 p.m. UTC
No attempt to check the return value of RREG32() has been made
since the call was introduced a year ago.

Fixes W=1 kernel build warning:

 drivers/misc/habanalabs/goya/goya_coresight.c: In function ‘goya_debug_coresight’:
 drivers/misc/habanalabs/goya/goya_coresight.c:643:6: warning: variable ‘val’ set but not used [-Wunused-but-set-variable]
 643 | u32 val;
 | ^~~

Cc: Oded Gabbay <oded.gabbay@gmail.com>
Cc: Tomer Tayar <ttayar@habana.ai>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/misc/habanalabs/goya/goya_coresight.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Oded Gabbay June 29, 2020, 3:01 p.m. UTC | #1
On Mon, Jun 29, 2020 at 5:04 PM Lee Jones <lee.jones@linaro.org> wrote:
>
> No attempt to check the return value of RREG32() has been made
> since the call was introduced a year ago.
>
> Fixes W=1 kernel build warning:
>
>  drivers/misc/habanalabs/goya/goya_coresight.c: In function ‘goya_debug_coresight’:
>  drivers/misc/habanalabs/goya/goya_coresight.c:643:6: warning: variable ‘val’ set but not used [-Wunused-but-set-variable]
>  643 | u32 val;
>  | ^~~
>
> Cc: Oded Gabbay <oded.gabbay@gmail.com>
> Cc: Tomer Tayar <ttayar@habana.ai>
> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> ---
>  drivers/misc/habanalabs/goya/goya_coresight.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/misc/habanalabs/goya/goya_coresight.c b/drivers/misc/habanalabs/goya/goya_coresight.c
> index 1258724ea5106..aa51fc71f0a1f 100644
> --- a/drivers/misc/habanalabs/goya/goya_coresight.c
> +++ b/drivers/misc/habanalabs/goya/goya_coresight.c
> @@ -640,7 +640,6 @@ static int goya_config_spmu(struct hl_device *hdev,
>  int goya_debug_coresight(struct hl_device *hdev, void *data)
>  {
>         struct hl_debug_params *params = data;
> -       u32 val;
>         int rc = 0;
>
>         switch (params->op) {
> @@ -672,7 +671,7 @@ int goya_debug_coresight(struct hl_device *hdev, void *data)
>         }
>
>         /* Perform read from the device to flush all configuration */
> -       val = RREG32(mmPCIE_DBI_DEVICE_ID_VENDOR_ID_REG);
> +       RREG32(mmPCIE_DBI_DEVICE_ID_VENDOR_ID_REG);
>
>         return rc;
>  }
> --
> 2.25.1
>

This patch is:
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
diff mbox series

Patch

diff --git a/drivers/misc/habanalabs/goya/goya_coresight.c b/drivers/misc/habanalabs/goya/goya_coresight.c
index 1258724ea5106..aa51fc71f0a1f 100644
--- a/drivers/misc/habanalabs/goya/goya_coresight.c
+++ b/drivers/misc/habanalabs/goya/goya_coresight.c
@@ -640,7 +640,6 @@  static int goya_config_spmu(struct hl_device *hdev,
 int goya_debug_coresight(struct hl_device *hdev, void *data)
 {
 	struct hl_debug_params *params = data;
-	u32 val;
 	int rc = 0;
 
 	switch (params->op) {
@@ -672,7 +671,7 @@  int goya_debug_coresight(struct hl_device *hdev, void *data)
 	}
 
 	/* Perform read from the device to flush all configuration */
-	val = RREG32(mmPCIE_DBI_DEVICE_ID_VENDOR_ID_REG);
+	RREG32(mmPCIE_DBI_DEVICE_ID_VENDOR_ID_REG);
 
 	return rc;
 }