static int ulpi_read(struct msm_hsic_hcd *mehci, u32 reg)
{
struct usb_hcd *hcd = hsic_to_hcd(mehci);
int cnt = 0;
/* initiate read operation */
writel_relaxed(ULPI_RUN | ULPI_READ | ULPI_ADDR(reg),
USB_ULPI_VIEWPORT);
/* wait for completion */
while (cnt < ULPI_IO_TIMEOUT_USEC) {
if (!(readl_relaxed(USB_ULPI_VIEWPORT) & ULPI_RUN))
break;
udelay(1);
cnt++;
}
if (cnt >= ULPI_IO_TIMEOUT_USEC) {
dev_err(mehci->dev, "ulpi_read: timeout ULPI_VIEWPORT: %08x\n",
readl_relaxed(USB_ULPI_VIEWPORT));
dev_err(mehci->dev, "PORTSC: %08x USBCMD: %08x FRINDEX: %08x\n",
readl_relaxed(USB_PORTSC),
readl_relaxed(USB_USBCMD),
readl_relaxed(USB_FRINDEX));
/*frame counter increments afte 125us*/
udelay(130);
dev_err(mehci->dev, "ulpi_read: FRINDEX: %08x\n",
readl_relaxed(USB_FRINDEX));
return -ETIMEDOUT;
}
return ULPI_DATA_READ(readl_relaxed(USB_ULPI_VIEWPORT));
}
static int msm_ulpi_read(struct msm_hcd *mhcd, u32 reg)
{
struct usb_hcd *hcd = mhcd_to_hcd(mhcd);
unsigned long timeout;
/* initiate read operation */
writel_relaxed(ULPI_RUN | ULPI_READ | ULPI_ADDR(reg),
USB_ULPI_VIEWPORT);
/* wait for completion */
timeout = jiffies + usecs_to_jiffies(ULPI_IO_TIMEOUT_USECS);
while (readl_relaxed(USB_ULPI_VIEWPORT) & ULPI_RUN) {
if (time_after(jiffies, timeout)) {
dev_err(mhcd->dev, "msm_ulpi_read: timeout %08x\n",
readl_relaxed(USB_ULPI_VIEWPORT));
dev_err(mhcd->dev, "PORTSC: %08x USBCMD: %08x\n",
readl_relaxed(USB_PORTSC),
readl_relaxed(USB_USBCMD));
return -ETIMEDOUT;
}
udelay(1);
}
return ULPI_DATA_READ(readl_relaxed(USB_ULPI_VIEWPORT));
}
static unsigned ulpi_read(struct usb_info *ui, unsigned reg)
{
unsigned timeout = 100000;
/* initiate read operation */
writel(ULPI_RUN | ULPI_READ | ULPI_ADDR(reg),
USB_ULPI_VIEWPORT);
/* wait for completion */
while ((readl(USB_ULPI_VIEWPORT) & ULPI_RUN) && (--timeout)) ;
if (timeout == 0) {
ERROR("ulpi_read: timeout %08x\n", readl(USB_ULPI_VIEWPORT));
return 0xffffffff;
}
return ULPI_DATA_READ(readl(USB_ULPI_VIEWPORT));
}
static unsigned ulpi_read(void __iomem *usb_base, unsigned reg)
{
unsigned timeout = 100000;
/* initiate read operation */
writel(ULPI_RUN | ULPI_READ | ULPI_ADDR(reg),
USB_ULPI_VIEWPORT);
/* wait for completion */
while ((readl(USB_ULPI_VIEWPORT) & ULPI_RUN) && (--timeout))
cpu_relax();
if (timeout == 0) {
printk(KERN_ERR "ulpi_read: timeout %08x\n",
readl(USB_ULPI_VIEWPORT));
return 0xffffffff;
}
return ULPI_DATA_READ(readl(USB_ULPI_VIEWPORT));
}
static int ulpi_read(struct usb_phy *phy, u32 reg)
{
struct msm_otg *motg = container_of(phy, struct msm_otg, phy);
int cnt = 0;
/* initiate read operation */
writel(ULPI_RUN | ULPI_READ | ULPI_ADDR(reg),
USB_ULPI_VIEWPORT);
/* wait for completion */
while (cnt < ULPI_IO_TIMEOUT_USEC) {
if (!(readl(USB_ULPI_VIEWPORT) & ULPI_RUN))
break;
udelay(1);
cnt++;
}
if (cnt >= ULPI_IO_TIMEOUT_USEC) {
dev_err(phy->dev, "ulpi_read: timeout %08x\n",
readl(USB_ULPI_VIEWPORT));
return -ETIMEDOUT;
}
return ULPI_DATA_READ(readl(USB_ULPI_VIEWPORT));
}