From: Xiubo Li <Li.Xiubo@freescale.com>
Date: Thu, 9 Oct 2014 09:02:55 +0000 (+0800)
Subject: regmap: cache: speed regcache_hw_init() up.
X-Git-Tag: v3.19-rc1~179^2~1^2~3
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fbba43c527d851088a891ed83346d5cc9f095b64;p=karo-tx-linux.git

regmap: cache: speed regcache_hw_init() up.

This may speed regcache_hw_init() up for some cases that there
has volatile registers.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 6bec659e35d9..0852c890b4b5 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -71,9 +71,9 @@ static int regcache_hw_init(struct regmap *map)
 	/* fill the reg_defaults */
 	map->num_reg_defaults = count;
 	for (i = 0, j = 0; i < map->num_reg_defaults_raw; i++) {
-		val = regcache_get_val(map, map->reg_defaults_raw, i);
 		if (regmap_volatile(map, i * map->reg_stride))
 			continue;
+		val = regcache_get_val(map, map->reg_defaults_raw, i);
 		map->reg_defaults[j].reg = i * map->reg_stride;
 		map->reg_defaults[j].def = val;
 		j++;