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Subject[RFC 2/2] phy: exynos5-usbdrd: remove disable and enable of phy clk
Date
remove the disable and enable of phy clk.
phy clk is needed to tune the phy controller.

Before:
mout_usbd300 1 1 24000000 0 0
dout_usbd300 0 0 24000000 0 0
sclk_usbd300 0 0 24000000 0 0
dout_usbphy300 1 1 24000000 0 0
sclk_usbphy300 3 3 24000000 0 0
mout_usbd301 1 1 24000000 0 0
dout_usbd301 0 0 24000000 0 0
sclk_usbd301 0 0 24000000 0 0
dout_usbphy301 1 1 24000000 0 0
sclk_usbphy301 2 2 24000000 0 0
After:
mout_usbd300 2 2 24000000 0 0
dout_usbd300 1 1 24000000 0 0
sclk_usbd300 2 2 24000000 0 0
dout_usbphy300 1 1 24000000 0 0
sclk_usbphy300 3 3 24000000 0 0
mout_usbd301 2 2 24000000 0 0
dout_usbd301 1 1 24000000 0 0
sclk_usbd301 2 2 24000000 0 0
dout_usbphy301 1 1 24000000 0 0
sclk_usbphy301 2 2 24000000 0 0

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
drivers/phy/samsung/phy-exynos5-usbdrd.c | 7 -------
1 file changed, 7 deletions(-)

diff --git a/drivers/phy/samsung/phy-exynos5-usbdrd.c b/drivers/phy/samsung/phy-exynos5-usbdrd.c
index 22c68f5..5e8054c 100644
--- a/drivers/phy/samsung/phy-exynos5-usbdrd.c
+++ b/drivers/phy/samsung/phy-exynos5-usbdrd.c
@@ -409,22 +409,15 @@ static int exynos5_usbdrd_phy_init(struct phy *phy)
reg &= ~PHYCLKRST_PORTRESET;
writel(reg, phy_drd->reg_phy + EXYNOS5_DRD_PHYCLKRST);

- clk_disable_unprepare(phy_drd->clk);
-
return 0;
}

static int exynos5_usbdrd_phy_exit(struct phy *phy)
{
- int ret;
u32 reg;
struct phy_usb_instance *inst = phy_get_drvdata(phy);
struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);

- ret = clk_prepare_enable(phy_drd->clk);
- if (ret)
- return ret;
-
reg = PHYUTMI_OTGDISABLE |
PHYUTMI_FORCESUSPEND |
PHYUTMI_FORCESLEEP;
--
2.7.4
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