[PATCH v3 13/15] drm/bridge: tc358767: Simplify tc_aux_wait_busy()

From: Andrey Smirnov
Date: Wed Jun 05 2019 - 03:09:48 EST


We never pass anything but 100 as timeout_ms to tc_aux_wait_busy(), so
we may as well hardcode that value and simplify function's signature.

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: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Cc: Andrey Gusakov <andrey.gusakov@xxxxxxxxxxxxxxxxxx>
Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: Cory Tusar <cory.tusar@xxxxxxxx>
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 | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index a04401cf2a92..4fe7641f84ee 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -294,10 +294,9 @@ static inline int tc_poll_timeout(struct tc_data *tc, unsigned int addr,
sleep_us, timeout_us);
}

-static int tc_aux_wait_busy(struct tc_data *tc, unsigned int timeout_ms)
+static int tc_aux_wait_busy(struct tc_data *tc)
{
- return tc_poll_timeout(tc, DP0_AUXSTATUS, AUX_BUSY, 0,
- 1000, 1000 * timeout_ms);
+ return tc_poll_timeout(tc, DP0_AUXSTATUS, AUX_BUSY, 0, 1000, 100000);
}

static int tc_aux_write_data(struct tc_data *tc, const void *data,
@@ -370,7 +369,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux,
u32 auxstatus;
int ret;

- ret = tc_aux_wait_busy(tc, 100);
+ ret = tc_aux_wait_busy(tc);
if (ret)
return ret;

@@ -397,7 +396,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux,
if (ret)
return ret;

- ret = tc_aux_wait_busy(tc, 100);
+ ret = tc_aux_wait_busy(tc);
if (ret)
return ret;

--
2.21.0