linux-kernel - [PATCH] phy: exynos-mipi-video: Fix unbalanced lock on non-regmap path

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Date:	Wed, 11 Mar 2015 08:06:23 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Kishon Vijay Abraham I <kishon@...com>
Cc:	Julia Lawall <Julia.Lawall@...6.fr>,
	Sylwester Nawrocki <sylvester.nawrocki@...il.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] phy: exynos-mipi-video: Fix unbalanced lock on non-regmap
 path

Remove the second lock on non-regmap path.

Fixes: 278270e39efa (phy: exynos-mipi-video: Use spin_lock to protct state->regmap rmw operations)
Reported-by: Julia Lawall <Julia.Lawall@...6.fr>
Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/phy/phy-exynos-mipi-video.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c
index 8d6d117..df7519a 100644
--- a/drivers/phy/phy-exynos-mipi-video.c
+++ b/drivers/phy/phy-exynos-mipi-video.c
@@ -75,7 +75,6 @@ static int __set_phy_state(struct exynos_mipi_video_phy *state,
 	} else {
 		addr = state->regs + EXYNOS_MIPI_PHY_CONTROL(id / 2);
 
-		spin_lock(&state->slock);
 		val = readl(addr);
 		if (on)
 			val |= reset;
-- 
1.9.1



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