linux-kernel - [PATCH 3/4] regmap: Base regmap_register_patch on _regmap_multi_reg

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Message-Id: <1393335952-28490-3-git-send-email-ckeepax@opensource.wolfsonmicro.com>
Date:	Tue, 25 Feb 2014 13:45:51 +0000
From:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
To:	broonie@...nel.org
Cc:	gregkh@...uxfoundation.org, sameo@...ux.intel.com,
	lee.jones@...aro.org, linux-kernel@...r.kernel.org,
	patches@...nsource.wolfsonmicro.com
Subject: [PATCH 3/4] regmap: Base regmap_register_patch on _regmap_multi_reg_write

Since we now have an internal version of regmap_multi_reg_write use this
to apply the register patch.

Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
---
 drivers/base/regmap/regmap.c |   18 ++++--------------
 1 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 6b07a97..0e5c833 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -2245,7 +2245,7 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
 			  int num_regs)
 {
 	struct reg_default *p;
-	int i, ret;
+	int ret;
 	bool bypass;
 
 	if (WARN_ONCE(num_regs <= 0, "invalid registers number (%d)\n",
@@ -2259,19 +2259,9 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
 	map->cache_bypass = true;
 	map->async = true;
 
-	/* Write out first; it's useful to apply even if we fail later. */
-	for (i = 0; i < num_regs; i++) {
-		if (regs[i].reg % map->reg_stride) {
-			ret = -EINVAL;
-			goto out;
-		}
-		ret = _regmap_write(map, regs[i].reg, regs[i].def);
-		if (ret != 0) {
-			dev_err(map->dev, "Failed to write %x = %x: %d\n",
-				regs[i].reg, regs[i].def, ret);
-			goto out;
-		}
-	}
+	ret = _regmap_multi_reg_write(map, regs, num_regs);
+	if (ret != 0)
+		goto out;
 
 	p = krealloc(map->patch,
 		     sizeof(struct reg_default) * (map->patch_regs + num_regs),
-- 
1.7.2.5

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