Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

USB: xhci: Don't oops if the host doesn't halt.

Browse source 
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sarah Sharp 2009-07-27 12:03:50 -07:00 committed by Greg Kroah-Hartman
parent 66e49d8774
commit d3512f6349
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/usb/host/xhci-hcd.c
View file

@ -103,7 +103,10 @@ int xhci_reset(struct xhci_hcd *xhci)
u32 state;
state = xhci_readl(xhci, &xhci->op_regs->status);
BUG_ON((state & STS_HALT) == 0);
if ((state & STS_HALT) == 0) {
xhci_warn(xhci, "Host controller not halted, aborting reset.\n");
return 0;
}
xhci_dbg(xhci, "// Reset the HC\n");
command = xhci_readl(xhci, &xhci->op_regs->command);