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usb: s3c-otg: Encapsulate PHY control

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Encapsulate the Samsung PHY control and its register accesses
into the otg_phy_init() and otg_phy_off() functions.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Vince Bridgers <vbridger@altera.com>
Cc: Stefan Roese <sr@denx.de>
Acked-by: Pavel Machek <pavel@denx.de>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Tested-by: Lukasz Majewski <l.majewski@samsung.com>
This commit is contained in:
Marek Vasut 2014-11-04 04:08:18 +01:00
parent 2cc157b0cd
commit 40ff06b958
1 changed files with 8 additions and 4 deletions
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12
drivers/usb/gadget/s3c_udc_otg.c
View file

@ -145,8 +145,6 @@ static struct usb_ep_ops s3c_ep_ops = {
void __iomem *regs_otg; void __iomem *regs_otg;
struct s3c_usbotg_reg *reg; struct s3c_usbotg_reg *reg;
struct s3c_usbotg_phy *phy;
static unsigned int usb_phy_ctrl;
bool dfu_usb_get_reset(void) bool dfu_usb_get_reset(void)
{ {
@ -155,6 +153,10 @@ bool dfu_usb_get_reset(void)
void otg_phy_init(struct s3c_udc *dev) void otg_phy_init(struct s3c_udc *dev)
{ {
unsigned int usb_phy_ctrl = dev->pdata->usb_phy_ctrl;
struct s3c_usbotg_phy *phy =
(struct s3c_usbotg_phy *)dev->pdata->regs_phy;
dev->pdata->phy_control(1); dev->pdata->phy_control(1);
/*USB PHY0 Enable */ /*USB PHY0 Enable */
@ -189,6 +191,10 @@ void otg_phy_init(struct s3c_udc *dev)
void otg_phy_off(struct s3c_udc *dev) void otg_phy_off(struct s3c_udc *dev)
{ {
unsigned int usb_phy_ctrl = dev->pdata->usb_phy_ctrl;
struct s3c_usbotg_phy *phy =
(struct s3c_usbotg_phy *)dev->pdata->regs_phy;
/* reset controller just in case */ /* reset controller just in case */
writel(PHY_SW_RST0, &phy->rstcon); writel(PHY_SW_RST0, &phy->rstcon);
udelay(20); udelay(20);
@ -853,9 +859,7 @@ int s3c_udc_probe(struct s3c_plat_otg_data *pdata)
dev->pdata = pdata; dev->pdata = pdata;
phy = (struct s3c_usbotg_phy *)pdata->regs_phy;
reg = (struct s3c_usbotg_reg *)pdata->regs_otg; reg = (struct s3c_usbotg_reg *)pdata->regs_otg;
usb_phy_ctrl = pdata->usb_phy_ctrl;
/* regs_otg = (void *)pdata->regs_otg; */ /* regs_otg = (void *)pdata->regs_otg; */