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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-23 23:36:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-23 23:36:48 +0300 |
| commit | 807dc0668e7af56a49cf360c2d12f9b04083ac47 (patch) | |
| tree | adaa1c3ec5d7c39b5ebe62e45825c029e179cecf /drivers/phy/phy-exynos-mipi-video.c | |
| parent | 5e790610bc19887387d5914cf8ed58434c5bde08 (diff) | |
| parent | bc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff) | |
| download | linux-807dc0668e7af56a49cf360c2d12f9b04083ac47.tar.xz | |
Merge 4.0-rc5 into staging-testing
We want the staging tree fixes that are upstream here as well to prevent
merge conflicts from people trying to clean up code.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/phy/phy-exynos-mipi-video.c')
| -rw-r--r-- | drivers/phy/phy-exynos-mipi-video.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c index f017b2f2a54e..df7519a39ba0 100644 --- a/drivers/phy/phy-exynos-mipi-video.c +++ b/drivers/phy/phy-exynos-mipi-video.c @@ -43,7 +43,6 @@ struct exynos_mipi_video_phy { } phys[EXYNOS_MIPI_PHYS_NUM]; spinlock_t slock; void __iomem *regs; - struct mutex mutex; struct regmap *regmap; }; @@ -59,8 +58,9 @@ static int __set_phy_state(struct exynos_mipi_video_phy *state, else reset = EXYNOS4_MIPI_PHY_SRESETN; - if (state->regmap) { - mutex_lock(&state->mutex); + spin_lock(&state->slock); + + if (!IS_ERR(state->regmap)) { regmap_read(state->regmap, offset, &val); if (on) val |= reset; @@ -72,11 +72,9 @@ static int __set_phy_state(struct exynos_mipi_video_phy *state, else if (!(val & EXYNOS4_MIPI_PHY_RESET_MASK)) val &= ~EXYNOS4_MIPI_PHY_ENABLE; regmap_write(state->regmap, offset, val); - mutex_unlock(&state->mutex); } else { addr = state->regs + EXYNOS_MIPI_PHY_CONTROL(id / 2); - spin_lock(&state->slock); val = readl(addr); if (on) val |= reset; @@ -90,9 +88,9 @@ static int __set_phy_state(struct exynos_mipi_video_phy *state, val &= ~EXYNOS4_MIPI_PHY_ENABLE; writel(val, addr); - spin_unlock(&state->slock); } + spin_unlock(&state->slock); return 0; } @@ -158,7 +156,6 @@ static int exynos_mipi_video_phy_probe(struct platform_device *pdev) dev_set_drvdata(dev, state); spin_lock_init(&state->slock); - mutex_init(&state->mutex); for (i = 0; i < EXYNOS_MIPI_PHYS_NUM; i++) { struct phy *phy = devm_phy_create(dev, NULL, |