diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-07 20:03:39 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-07 20:03:39 +0400 |
| commit | 61906313bd41cde2f9aaa14e461e6108d3e71aaa (patch) | |
| tree | c84805a9c67e3baf9e5acf13a3f55f7058a9131f /drivers/usb/core | |
| parent | 3aa2ae74ba630ec9b98736d64aea8e4cb490861d (diff) | |
| parent | d48b97b403d23f6df0b990cee652bdf9a52337a3 (diff) | |
| download | linux-61906313bd41cde2f9aaa14e461e6108d3e71aaa.tar.xz | |
Merge 3.4-rc6 into usb-next
This resolves the conflict with:
drivers/usb/host/ehci-tegra.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core')
| -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. |