From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Samuel Ortiz <sameo@linux.intel.com>
Cc: linux-kernel@vger.kernel.org,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
stable@kernel.org
Subject: [PATCH] mfd: WM835x GPIO direction register is not locked
Date: Thu, 7 Jan 2010 16:16:14 +0000 [thread overview]
Message-ID: <1262880974-20151-1-git-send-email-broonie@opensource.wolfsonmicro.com> (raw)
No need to set the security key when writing to it.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
Ideally this'd go into 2.6.33, though it's not so urgent without the
gpiolib driver I just posted it's also very non-invasive.
drivers/mfd/wm8350-core.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index 8485a70..9a970bd 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -134,8 +134,7 @@ static inline int is_reg_locked(struct wm8350 *wm8350, u8 reg)
wm8350->reg_cache[WM8350_SECURITY] == WM8350_UNLOCK_KEY)
return 0;
- if ((reg == WM8350_GPIO_CONFIGURATION_I_O) ||
- (reg >= WM8350_GPIO_FUNCTION_SELECT_1 &&
+ if ((reg >= WM8350_GPIO_FUNCTION_SELECT_1 &&
reg <= WM8350_GPIO_FUNCTION_SELECT_4) ||
(reg >= WM8350_BATTERY_CHARGER_CONTROL_1 &&
reg <= WM8350_BATTERY_CHARGER_CONTROL_3))
--
1.6.6
reply other threads:[~2010-01-07 16:16 UTC|newest]
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