soundwire: cadence: Remove ret variable from sdw_cdns_irq()

The ret is not used in the interrupt handler, it is just returned without
any condition or change.
We can return the IRQ_HANDLED directly.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20210714015555.17685-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
index 25950422b085ee0e6e0a4777eaafb2515cbf8a5a..9a9b6110e76368a25794c7bb01a9aea6759d9e5c 100644 (file)
--- a/drivers/soundwire/cadence_master.c
+++ b/drivers/soundwire/cadence_master.c
@@ -822,7 +822,6 @@ irqreturn_t sdw_cdns_irq(int irq, void *dev_id)
 {
        struct sdw_cdns *cdns = dev_id;
        u32 int_status;
-       int ret = IRQ_HANDLED;
 
        /* Check if the link is up */
        if (!cdns->link_up)
@@ -900,7 +899,7 @@ irqreturn_t sdw_cdns_irq(int irq, void *dev_id)
        }
 
        cdns_writel(cdns, CDNS_MCP_INTSTAT, int_status);
-       return ret;
+       return IRQ_HANDLED;
 }
 EXPORT_SYMBOL(sdw_cdns_irq);