linux-kernel - [RFC PATCH v2 2/3] regmap: Add bus reg_update

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <df32fd0529957d1e7e26ba1465723f16cfbe92c8.1586757922.git.baolin.wang7@gmail.com>
Date:   Mon, 13 Apr 2020 14:13:20 +0800
From:   Baolin Wang <baolin.wang7@...il.com>
To:     lee.jones@...aro.org, arnd@...db.de, broonie@...nel.org
Cc:     baolin.wang7@...il.com, orsonzhai@...il.com, zhang.lyra@...il.com,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH v2 2/3] regmap: Add bus reg_update_bits() support

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@...il.com>
---
 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;
-- 
2.17.1