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| author | Jason Wessel <jason.wessel@windriver.com> | 2009-08-20 22:39:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-23 15:46:39 +0200 |
| commit | ad45f1dc836cb175e9aeea927837dd48039d652c (patch) | |
| tree | 99f026ad4d2c4faf540e2be2f5240249d3d972fb /drivers/usb/host/ehci-hub.c | |
| parent | USB: ehci-dbgp,documentation: Documentation updates for ehci-dbgp (diff) | |
| download | linux-ad45f1dc836cb175e9aeea927837dd48039d652c.tar.xz linux-ad45f1dc836cb175e9aeea927837dd48039d652c.zip | |
USB: ehci-dbgp,ehci: Allow dbpg to work with suspend/resume
In order for the dbgp driver to survive suspend/resume, on every ehci
resume operation the debug controller must get re-initialized.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: dbrownell@users.sourceforge.net
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 6b5e4d18d4bf..1b6f1c0e5cee 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -235,6 +235,13 @@ static int ehci_bus_resume (struct usb_hcd *hcd) return -ESHUTDOWN; } + if (unlikely(ehci->debug)) { + if (ehci->debug && !dbgp_reset_prep()) + ehci->debug = NULL; + else + dbgp_external_startup(); + } + /* Ideally and we've got a real resume here, and no port's power * was lost. (For PCI, that means Vaux was maintained.) But we * could instead be restoring a swsusp snapshot -- so that BIOS was |