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path: root/drivers/usb/gadget/udc/s3c-hsudc.c
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Diffstat (limited to 'drivers/usb/gadget/udc/s3c-hsudc.c')
-rw-r--r--drivers/usb/gadget/udc/s3c-hsudc.c55
1 files changed, 4 insertions, 51 deletions
diff --git a/drivers/usb/gadget/udc/s3c-hsudc.c b/drivers/usb/gadget/udc/s3c-hsudc.c
index aaca1b0a2f59..7bd5182ce3ef 100644
--- a/drivers/usb/gadget/udc/s3c-hsudc.c
+++ b/drivers/usb/gadget/udc/s3c-hsudc.c
@@ -30,8 +30,6 @@
#include <linux/regulator/consumer.h>
#include <linux/pm_runtime.h>
-#include <mach/regs-s3c2443-clock.h>
-
#define S3C_HSUDC_REG(x) (x)
/* Non-Indexed Registers */
@@ -186,53 +184,6 @@ static inline void __orr32(void __iomem *ptr, u32 val)
writel(readl(ptr) | val, ptr);
}
-static void s3c_hsudc_init_phy(void)
-{
- u32 cfg;
-
- cfg = readl(S3C2443_PWRCFG) | S3C2443_PWRCFG_USBPHY;
- writel(cfg, S3C2443_PWRCFG);
-
- cfg = readl(S3C2443_URSTCON);
- cfg |= (S3C2443_URSTCON_FUNCRST | S3C2443_URSTCON_PHYRST);
- writel(cfg, S3C2443_URSTCON);
- mdelay(1);
-
- cfg = readl(S3C2443_URSTCON);
- cfg &= ~(S3C2443_URSTCON_FUNCRST | S3C2443_URSTCON_PHYRST);
- writel(cfg, S3C2443_URSTCON);
-
- cfg = readl(S3C2443_PHYCTRL);
- cfg &= ~(S3C2443_PHYCTRL_CLKSEL | S3C2443_PHYCTRL_DSPORT);
- cfg |= (S3C2443_PHYCTRL_EXTCLK | S3C2443_PHYCTRL_PLLSEL);
- writel(cfg, S3C2443_PHYCTRL);
-
- cfg = readl(S3C2443_PHYPWR);
- cfg &= ~(S3C2443_PHYPWR_FSUSPEND | S3C2443_PHYPWR_PLL_PWRDN |
- S3C2443_PHYPWR_XO_ON | S3C2443_PHYPWR_PLL_REFCLK |
- S3C2443_PHYPWR_ANALOG_PD);
- cfg |= S3C2443_PHYPWR_COMMON_ON;
- writel(cfg, S3C2443_PHYPWR);
-
- cfg = readl(S3C2443_UCLKCON);
- cfg |= (S3C2443_UCLKCON_DETECT_VBUS | S3C2443_UCLKCON_FUNC_CLKEN |
- S3C2443_UCLKCON_TCLKEN);
- writel(cfg, S3C2443_UCLKCON);
-}
-
-static void s3c_hsudc_uninit_phy(void)
-{
- u32 cfg;
-
- cfg = readl(S3C2443_PWRCFG) & ~S3C2443_PWRCFG_USBPHY;
- writel(cfg, S3C2443_PWRCFG);
-
- writel(S3C2443_PHYPWR_FSUSPEND, S3C2443_PHYPWR);
-
- cfg = readl(S3C2443_UCLKCON) & ~S3C2443_UCLKCON_FUNC_CLKEN;
- writel(cfg, S3C2443_UCLKCON);
-}
-
/**
* s3c_hsudc_complete_request - Complete a transfer request.
* @hsep: Endpoint to which the request belongs.
@@ -1188,7 +1139,8 @@ static int s3c_hsudc_start(struct usb_gadget *gadget,
pm_runtime_get_sync(hsudc->dev);
- s3c_hsudc_init_phy();
+ if (hsudc->pd->phy_init)
+ hsudc->pd->phy_init();
if (hsudc->pd->gpio_init)
hsudc->pd->gpio_init();
@@ -1210,7 +1162,8 @@ static int s3c_hsudc_stop(struct usb_gadget *gadget)
spin_lock_irqsave(&hsudc->lock, flags);
hsudc->gadget.speed = USB_SPEED_UNKNOWN;
- s3c_hsudc_uninit_phy();
+ if (hsudc->pd->phy_uninit)
+ hsudc->pd->phy_uninit();
pm_runtime_put(hsudc->dev);