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Date:	Mon, 30 Jun 2014 13:51:16 +0200
From:	Jiri Slaby <>
Cc:, Guenter Roeck <>,
	Lee Jones <>, Jiri Slaby <>
Subject: [PATCH 3.12 055/181] mfd: sm501: dbg_regs attribute must be read-only

From: Guenter Roeck <>

3.12-stable review patch.  If anyone has any objections, please let me know.


commit 8a8320c2e78d1b619a8fa8eb5ae946b8691de604 upstream.


sm501 sm501: SM501 At b3e00000: Version 050100a0, 8 Mb, IRQ 100
Attribute dbg_regs: write permission without 'store'
------------[ cut here ]------------
WARNING: at drivers/base/core.c:620

dbg_regs does not have a write function and must therefore be marked
as read-only.

Signed-off-by: Guenter Roeck <>
Signed-off-by: Lee Jones <>
Signed-off-by: Jiri Slaby <>
 drivers/mfd/sm501.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 33f040c558d0..3799a3d64415 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1232,7 +1232,7 @@ static ssize_t sm501_dbg_regs(struct device *dev,
-static DEVICE_ATTR(dbg_regs, 0666, sm501_dbg_regs, NULL);
+static DEVICE_ATTR(dbg_regs, 0444, sm501_dbg_regs, NULL);
 /* sm501_init_reg

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