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authorAleksey Gorelov <dared1st@yahoo.com>2006-08-08 17:24:08 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-09-27 11:58:54 -0700
commit64a21d025d3a979a8715f2ec7acabca7b5406c8a (patch)
treee3cbcef560d848e177cddde6d093aa2411cddd53 /drivers/usb/host/ohci-omap.c
parenta94da8971e836f32315f8832b0bf3e88bee9efae (diff)
USB: Properly unregister reboot notifier in case of failure in ehci hcd
If some problem occurs during ehci startup, for instance, request_irq fails, echi hcd driver tries it best to cleanup, but fails to unregister reboot notifier, which in turn leads to crash on reboot/poweroff. The following patch resolves this problem by not using reboot notifiers anymore, but instead making ehci/ohci driver get its own shutdown method. For PCI, it is done through pci glue, for everything else through platform driver glue. One downside: sa1111 does not use platform driver stuff, and does not have its own shutdown hook, so no 'shutdown' is called for it now. I'm not sure if it is really necessary on that platform, though. Signed-off-by: Aleks Gorelov <dared1st@yahoo.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ohci-omap.c')
-rw-r--r--drivers/usb/host/ohci-omap.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 160cd4c58a0..9c02177de50 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -447,6 +447,7 @@ static const struct hc_driver ohci_omap_hc_driver = {
.reset = ohci_omap_init,
.start = ohci_omap_start,
.stop = ohci_omap_stop,
+ .shutdown = ohci_shutdown,
/*
* managing i/o requests and associated device resources
@@ -532,6 +533,7 @@ static int ohci_omap_resume(struct platform_device *dev)
static struct platform_driver ohci_hcd_omap_driver = {
.probe = ohci_hcd_omap_drv_probe,
.remove = ohci_hcd_omap_drv_remove,
+ .shutdown = usb_hcd_platform_shutdown,
#ifdef CONFIG_PM
.suspend = ohci_omap_suspend,
.resume = ohci_omap_resume,