diff options
Diffstat (limited to 'drivers/usb/host/pci-quirks.c')
| -rw-r--r-- | drivers/usb/host/pci-quirks.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 3ce71cbfbb58..477c863b82c3 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -627,6 +627,9 @@ EXPORT_SYMBOL_GPL(usb_amd_pt_check_port); */ void uhci_reset_hc(struct pci_dev *pdev, unsigned long base) { +#ifdef CONFIG_MIPS_MALTA + int timeout = 10; +#endif /* Turn off PIRQ enable and SMI enable. (This also turns off the * BIOS's USB Legacy Support.) Turn off all the R/WC bits too. */ @@ -640,9 +643,16 @@ void uhci_reset_hc(struct pci_dev *pdev, unsigned long base) outw(UHCI_USBCMD_HCRESET, base + UHCI_USBCMD); mb(); udelay(5); - if (inw(base + UHCI_USBCMD) & UHCI_USBCMD_HCRESET) - dev_warn(&pdev->dev, "HCRESET not completed yet!\n"); +#ifdef CONFIG_MIPS_MALTA + while (inw(base + UHCI_USBCMD) & UHCI_USBCMD_HCRESET) { + if (--timeout < 0) { + dev_warn(&pdev->dev, "HCRESET timed out!\n"); + break; + } + udelay(5); + } +#endif /* Just to be safe, disable interrupt requests and * make sure the controller is stopped. */ |