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Diffstat (limited to 'drivers/usb/host/pci-quirks.c')
| -rw-r--r-- | drivers/usb/host/pci-quirks.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 3625a5c1a41b..3ce71cbfbb58 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -783,15 +783,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev) /* disable interrupts */ writel((u32) ~0, base + OHCI_INTRDISABLE); - /* Reset the USB bus, if the controller isn't already in RESET */ - if (control & OHCI_HCFS) { - /* Go into RESET, preserving RWC (and possibly IR) */ - writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL); - readl(base + OHCI_CONTROL); - - /* drive bus reset for at least 50 ms (7.1.7.5) */ - msleep(50); - } + /* Go into the USB_RESET state, preserving RWC (and possibly IR) */ + writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL); + readl(base + OHCI_CONTROL); /* software reset of the controller, preserving HcFmInterval */ if (!no_fminterval) |