linux-kernel - [PATCH v2 13/15] drm/bridge: tc358767: Simplify tc_aux_wait

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Message-Id: <20190322032901.12045-14-andrew.smirnov@gmail.com>
Date:   Thu, 21 Mar 2019 20:28:59 -0700
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Andrey Gusakov <andrey.gusakov@...entembedded.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Chris Healy <cphealy@...il.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 13/15] drm/bridge: tc358767: Simplify tc_aux_wait_busy()

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@...il.com>
Cc: Archit Taneja <architt@...eaurora.org>
Cc: Andrzej Hajda <a.hajda@...sung.com>
Cc: Laurent Pinchart <Laurent.pinchart@...asonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@...com>
Cc: Andrey Gusakov <andrey.gusakov@...entembedded.com>
Cc: Philipp Zabel <p.zabel@...gutronix.de>
Cc: Chris Healy <cphealy@...il.com>
Cc: Lucas Stach <l.stach@...gutronix.de>
Cc: dri-devel@...ts.freedesktop.org
Cc: linux-kernel@...r.kernel.org
---
 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 f66a1c4a2047..07d568761463 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -280,10 +280,9 @@ 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,
@@ -354,7 +353,7 @@ 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;
 
@@ -381,7 +380,7 @@ 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;
 
-- 
2.20.1