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| author | Paul Mundt <lethal@linux-sh.org> | 2012-05-10 11:51:07 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-05-10 11:51:07 +0900 |
| commit | 15f99cbd071aa402e113d342448603344a337046 (patch) | |
| tree | 56f98892d1bd38029988eb8931e2321ef7e79aa0 /drivers/usb/core/hcd-pci.c | |
| parent | b2212ea41dacda8cce0e7681a3a6ccc76c63802e (diff) | |
| parent | 41797f75486d8ca3b98d7658c2a506ac7879a8e5 (diff) | |
| download | linux-15f99cbd071aa402e113d342448603344a337046.tar.bz2 | |
Merge branch 'sh/rsk-updates' into sh-latest
Conflicts:
arch/sh/Kconfig
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/usb/core/hcd-pci.c')
| -rw-r--r-- | drivers/usb/core/hcd-pci.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 622b4a48e732..57ed9e400c06 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -493,6 +493,15 @@ static int hcd_pci_suspend_noirq(struct device *dev) pci_save_state(pci_dev); + /* + * Some systems crash if an EHCI controller is in D3 during + * a sleep transition. We have to leave such controllers in D0. + */ + if (hcd->broken_pci_sleep) { + dev_dbg(dev, "Staying in PCI D0\n"); + return retval; + } + /* If the root hub is dead rather than suspended, disallow remote * wakeup. usb_hc_died() should ensure that both hosts are marked as * dying, so we only need to check the primary roothub. |