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| author | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2009-04-29 19:05:40 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-06-15 21:44:50 -0700 |
| commit | c96a2b81f3747e6924307714666aa2368bc1718b (patch) | |
| tree | 74e105ad1b7211b8764d361741520c548e7c6061 /drivers/usb | |
| parent | 23e3be113f42790736319c049c78e5f9a4394c02 (diff) | |
| download | linux-c96a2b81f3747e6924307714666aa2368bc1718b.tar.gz linux-c96a2b81f3747e6924307714666aa2368bc1718b.tar.bz2 linux-c96a2b81f3747e6924307714666aa2368bc1718b.zip | |
USB: xhci: Clean up xhci_irq() function.
Drop spinlock in xhci_irq() error path.
This fixes the issue reported by Oliver Neukum on this thread:
http://marc.info/?l=linux-usb&m=124090924401444&w=2
Remove unnecessary register read reported by Viral Mehta:
http://marc.info/?l=linux-usb&m=124091326007398&w=2
Reported-by: Oliver Neukum <oliver@neukum.org>
Reported-by: Viral Mehta <viral.mehta@einfochips.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/xhci-hcd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-hcd.c b/drivers/usb/host/xhci-hcd.c index 94447bcdf19f..57aed12b63d2 100644 --- a/drivers/usb/host/xhci-hcd.c +++ b/drivers/usb/host/xhci-hcd.c @@ -276,11 +276,11 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) return IRQ_NONE; } - temp = xhci_readl(xhci, &xhci->op_regs->status); if (temp & STS_FATAL) { xhci_warn(xhci, "WARNING: Host System Error\n"); xhci_halt(xhci); xhci_to_hcd(xhci)->state = HC_STATE_HALT; + spin_unlock(&xhci->lock); return -ESHUTDOWN; } |