[PATCH] mfd: cs42l43: Remove redundant NULL checks on SoundWire

[Charles Keepax]

The SoundWire core helpers now check for NULL on the SoundWire
peripheral so there is no need to do so locally, remove the
duplicate checks.

Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/mfd/cs42l43.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/mfd/cs42l43.c b/drivers/mfd/cs42l43.c
index d2bbd2f18af7d..33479ddd539a6 100644
--- a/drivers/mfd/cs42l43.c
+++ b/drivers/mfd/cs42l43.c
@@ -588,12 +588,9 @@ static int cs42l43_wait_for_attach(struct cs42l43 *cs42l43)
 {
 	int ret;
 
-	if (cs42l43->sdw) {
-		ret = sdw_slave_wait_for_init(cs42l43->sdw,
-					      CS42L43_SDW_ATTACH_TIMEOUT_MS);
-		if (ret)
-			return ret;
-	}
+	ret = sdw_slave_wait_for_init(cs42l43->sdw, CS42L43_SDW_ATTACH_TIMEOUT_MS);
+	if (ret)
+		return ret;
 
 	regcache_cache_only(cs42l43->regmap, false);
 
-- 
2.47.3