diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-29 07:43:16 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-29 07:43:16 -0700 |
| commit | 78283dd29e647775cb1e63a4d6554b3090b9a9ff (patch) | |
| tree | 46a179781ed356c0546379ecc46ca5daed7ae50a /drivers/usb/host/xhci.c | |
| parent | 435932f2c75efcdd07273a437b9be32647d56d73 (diff) | |
| parent | 5ae90d8e467e625e447000cb4335c4db973b1095 (diff) | |
Merge 3.11-rc3 into usb-next
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 87b5e6581359..c8d7199eefa0 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -329,7 +329,7 @@ static void xhci_cleanup_msix(struct xhci_hcd *xhci) return; } -static void xhci_msix_sync_irqs(struct xhci_hcd *xhci) +static void __maybe_unused xhci_msix_sync_irqs(struct xhci_hcd *xhci) { int i; @@ -1181,9 +1181,6 @@ static int xhci_check_args(struct usb_hcd *hcd, struct usb_device *udev, } xhci = hcd_to_xhci(hcd); - if (xhci->xhc_state & XHCI_STATE_HALTED) - return -ENODEV; - if (check_virt_dev) { if (!udev->slot_id || !xhci->devs[udev->slot_id]) { printk(KERN_DEBUG "xHCI %s called with unaddressed " @@ -1199,6 +1196,9 @@ static int xhci_check_args(struct usb_hcd *hcd, struct usb_device *udev, } } + if (xhci->xhc_state & XHCI_STATE_HALTED) + return -ENODEV; + return 1; } @@ -3898,7 +3898,7 @@ int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1) * Issue an Evaluate Context command to change the Maximum Exit Latency in the * slot context. If that succeeds, store the new MEL in the xhci_virt_device. */ -static int xhci_change_max_exit_latency(struct xhci_hcd *xhci, +static int __maybe_unused xhci_change_max_exit_latency(struct xhci_hcd *xhci, struct usb_device *udev, u16 max_exit_latency) { struct xhci_virt_device *virt_dev; @@ -4892,6 +4892,13 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) get_quirks(dev, xhci); + /* In xhci controllers which follow xhci 1.0 spec gives a spurious + * success event after a short transfer. This quirk will ignore such + * spurious event. + */ + if (xhci->hci_version > 0x96) + xhci->quirks |= XHCI_SPURIOUS_SUCCESS; + /* Make sure the HC is halted. */ retval = xhci_halt(xhci); if (retval) |