diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2010-07-19 16:01:41 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 14:35:43 -0700 |
| commit | 1eb838d3e2a473acbb9b21278e75b79640fb2c7b (patch) | |
| tree | c702eb55341116e5c48518bbabc373cc82e92a71 /drivers/usb/gadget/s3c-hsotg.c | |
| parent | 4d47166c975382f5e95086e8a88d4a39d27b34b5 (diff) | |
USB: s3c-hsotg: modify only selected bits in S3C_PHYPWR register
S5PV210 SoCs has 2 USB PHY interfaces, both enabled by writing zero to
S3C_PHYPWR register. HS/OTG driver uses only PHY0, so do not touch bits
related to PHY1.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/s3c-hsotg.c')
| -rw-r--r-- | drivers/usb/gadget/s3c-hsotg.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index ce272b4d79c4..258ca01ac679 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -2801,9 +2801,11 @@ static void __devinit s3c_hsotg_initep(struct s3c_hsotg *hsotg, static void s3c_hsotg_otgreset(struct s3c_hsotg *hsotg) { struct clk *xusbxti; - u32 osc; + u32 pwr, osc; - writel(0, S3C_PHYPWR); + pwr = readl(S3C_PHYPWR); + pwr &= ~0x19; + writel(pwr, S3C_PHYPWR); mdelay(1); osc = hsotg->plat->is_osc ? S3C_PHYCLK_EXT_OSC : 0; |