diff options
Diffstat (limited to 'drivers/usb/dwc2/hcd.c')
| -rw-r--r-- | drivers/usb/dwc2/hcd.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index a5d72fcd1603..516929220aa5 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -2403,24 +2403,18 @@ static void dwc2_core_host_init(struct dwc2_hsotg *hsotg) /* Halt all channels to put them into a known state */ for (i = 0; i < num_channels; i++) { - int count = 0; - hcchar = dwc2_readl(hsotg->regs + HCCHAR(i)); hcchar |= HCCHAR_CHENA | HCCHAR_CHDIS; hcchar &= ~HCCHAR_EPDIR; dwc2_writel(hcchar, hsotg->regs + HCCHAR(i)); dev_dbg(hsotg->dev, "%s: Halt channel %d\n", __func__, i); - do { - hcchar = dwc2_readl(hsotg->regs + HCCHAR(i)); - if (++count > 1000) { - dev_err(hsotg->dev, - "Unable to clear enable on channel %d\n", - i); - break; - } - udelay(1); - } while (hcchar & HCCHAR_CHENA); + + if (dwc2_hsotg_wait_bit_clear(hsotg, HCCHAR(i), + HCCHAR_CHENA, 1000)) { + dev_warn(hsotg->dev, "Unable to clear enable on channel %d\n", + i); + } } } |