From: Mark Brown <broonie@linaro.org>
Date: Thu, 10 Oct 2013 19:55:03 +0000 (+0100)
Subject: regmap: Use async I/O for patch application
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1a25f26138cde2b83fd74ead6da0bbd4b6c42b60;p=linux-beck.git

regmap: Use async I/O for patch application

Try to speed up patch application a little using async I/O.

Signed-off-by: Mark Brown <broonie@linaro.org>
---

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 0503d868ff8c..71282e12fd29 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -2029,6 +2029,7 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
 	bypass = map->cache_bypass;
 
 	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++) {
@@ -2052,10 +2053,13 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
 	}
 
 out:
+	map->async = false;
 	map->cache_bypass = bypass;
 
 	map->unlock(map->lock_arg);
 
+	regmap_async_complete(map);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(regmap_register_patch);