[PATCH 6/9] drm/bridge: tc358767: Simplify error check in tc_aux_linx_setup()

From: Andrey Smirnov
Date: Tue Feb 26 2019 - 14:37:01 EST


Tc_poll_timeout() can only return -ETIMEDOUT, so checking for other
errors is not necessary. Drop it. No functional change intended.

Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
Cc: Archit Taneja <architt@xxxxxxxxxxxxxx>
Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Cc: Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Chris Healy <cphealy@xxxxxxxxx>
Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/gpu/drm/bridge/tc358767.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index ea30cec4a0c3..54ff95f66e30 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -569,11 +569,10 @@ static int tc_aux_link_setup(struct tc_data *tc)

ret = tc_poll_timeout(tc->regmap, DP_PHY_CTRL, PHY_RDY, PHY_RDY, 1,
1000);
- if (ret == -ETIMEDOUT) {
+ if (ret) {
dev_err(tc->dev, "Timeout waiting for PHY to become ready");
return ret;
- } else if (ret)
- goto err;
+ }

/* Setup AUX link */
tc_write(DP0_AUXCFG1, AUX_RX_FILTER_EN |
--
2.20.1