From 80215f133d59310fdfce5ee4398aeb7076c2e99f Mon Sep 17 00:00:00 2001
From: Baolin Wang <baolin.wang7@gmail.com>
Date: Mon, 13 Apr 2020 14:13:20 +0800
Subject: [PATCH] regmap: Add bus reg_update_bits() support
Git-commit: 80215f133d59310fdfce5ee4398aeb7076c2e99f
Patch-mainline: v5.8-rc1
References: jsc#SLE-16518

Add reg_update_bits() support in case some platforms use a special method
to update bits of registers.

Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/df32fd0529957d1e7e26ba1465723f16cfbe92c8.1586757922.git.baolin.wang7@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/base/regmap/regmap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 59f911e57719..553d92aa0c68 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -827,6 +827,7 @@ struct regmap *__regmap_init(struct device *dev,
 	} else if (!bus->read || !bus->write) {
 		map->reg_read = _regmap_bus_reg_read;
 		map->reg_write = _regmap_bus_reg_write;
+		map->reg_update_bits = bus->reg_update_bits;
 
 		map->defer_caching = false;
 		goto skip_format_initialization;
-- 
2.16.4