misc: habanalabs: goya: goya_coresight: Remove set but unused variable 'val'

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>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Link: https://lore.kernel.org/r/20200701085853.164358-9-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/habanalabs/goya/goya_coresight.c b/drivers/misc/habanalabs/goya/goya_coresight.c
index 1258724..aa51fc7 100644 (file)
--- 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;
 }