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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-10 23:06:21 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-10 23:06:21 -0700
commite4600d56323ed119469fdcb21564f7544e1e6b3c (patch)
tree1905af0abfe32ee2973179fe29ef52861a662e4f /drivers
parent11c011a5e777c83819078a18672543f04482b3ec (diff)
parent31b2a32f708bb33b3f35b03ce3d2cb31f7d1e684 (diff)
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Merge tag 'phy-for-4.7-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus
Kishon writes: phy: for 4.7-rc *) Fix compiler warning in exynos-mipi-video *) Fix in ti-pipe3 PHY to program the DPLL even if it was already locked Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/phy/phy-exynos-mipi-video.c6
-rw-r--r--drivers/phy/phy-ti-pipe3.c15
2 files changed, 16 insertions, 5 deletions
diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c
index cc093ebfda94..8b851f718123 100644
--- a/drivers/phy/phy-exynos-mipi-video.c
+++ b/drivers/phy/phy-exynos-mipi-video.c
@@ -233,8 +233,12 @@ static inline int __is_running(const struct exynos_mipi_phy_desc *data,
struct exynos_mipi_video_phy *state)
{
u32 val;
+ int ret;
+
+ ret = regmap_read(state->regmaps[data->resetn_map], data->resetn_reg, &val);
+ if (ret)
+ return 0;
- regmap_read(state->regmaps[data->resetn_map], data->resetn_reg, &val);
return val & data->resetn_val;
}
diff --git a/drivers/phy/phy-ti-pipe3.c b/drivers/phy/phy-ti-pipe3.c
index 0a477d24cf76..bf46844dc387 100644
--- a/drivers/phy/phy-ti-pipe3.c
+++ b/drivers/phy/phy-ti-pipe3.c
@@ -293,11 +293,18 @@ static int ti_pipe3_init(struct phy *x)
ret = ti_pipe3_dpll_wait_lock(phy);
}
- /* Program the DPLL only if not locked */
+ /* SATA has issues if re-programmed when locked */
val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS);
- if (!(val & PLL_LOCK))
- if (ti_pipe3_dpll_program(phy))
- return -EINVAL;
+ if ((val & PLL_LOCK) && of_device_is_compatible(phy->dev->of_node,
+ "ti,phy-pipe3-sata"))
+ return ret;
+
+ /* Program the DPLL */
+ ret = ti_pipe3_dpll_program(phy);
+ if (ret) {
+ ti_pipe3_disable_clocks(phy);
+ return -EINVAL;
+ }
return ret;
}