[PATCH v2 3/9] soundwire: slave: use SDW_DISCO_LINK_ID()

Vinod Koul vkoul at kernel.org
Thu Sep 3 13:44:58 CEST 2020


use SDW_DISCO_LINK_ID() in slave code to extract field values instead of
open coding masks and shift operations to extract link_id

Signed-off-by: Vinod Koul <vkoul at kernel.org>
---
 drivers/soundwire/slave.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c
index a762ee24e6fa..2191dd6e7aa4 100644
--- a/drivers/soundwire/slave.c
+++ b/drivers/soundwire/slave.c
@@ -106,7 +106,7 @@ static bool find_slave(struct sdw_bus *bus,
 	}
 
 	/* Extract link id from ADR, Bit 51 to 48 (included) */
-	link_id = (addr >> 48) & GENMASK(3, 0);
+	link_id = SDW_DISCO_LINK_ID(addr);
 
 	/* Check for link_id match */
 	if (link_id != bus->link_id)
-- 
2.26.2



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