linux-kernel - [PATCH 9/9] drm/bridge: tc358767: Drop tc

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Date:   Tue, 26 Feb 2019 11:36:09 -0800
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>,
        Chris Healy <cphealy@...il.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 9/9] drm/bridge: tc358767: Drop tc_read() macro

There's only one place where tc_read() is used, so it doesn't save us
much. Drop it. No functional change intended.

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: 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 | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 239b3aaa255d..3c574f1569aa 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -240,12 +240,6 @@ static inline struct tc_data *connector_to_tc(struct drm_connector *c)
 		if (ret)					\
 			goto err;				\
 	} while (0)
-#define tc_read(reg, var)					\
-	do {							\
-		ret = regmap_read(tc->regmap, reg, var);	\
-		if (ret)					\
-			goto err;				\
-	} while (0)
 
 static inline int tc_poll_timeout(struct regmap *map, unsigned int addr,
 				  unsigned int cond_mask,
@@ -337,8 +331,13 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux,
 	if (request == DP_AUX_I2C_READ || request == DP_AUX_NATIVE_READ) {
 		/* Read data */
 		while (i < size) {
-			if ((i % 4) == 0)
-				tc_read(DP0_AUXRDATA(i >> 2), &tmp);
+			if ((i % 4) == 0) {
+				ret = regmap_read(tc->regmap,
+						  DP0_AUXRDATA(i >> 2),
+						  &tmp);
+				if (ret)
+					goto err;
+			}
 			buf[i] = tmp & 0xff;
 			tmp = tmp >> 8;
 			i++;
-- 
2.20.1