From ad45f1dc836cb175e9aeea927837dd48039d652c Mon Sep 17 00:00:00 2001 From: Jason Wessel Date: Thu, 20 Aug 2009 15:39:58 -0500 Subject: [PATCH] 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 Cc: Alan Stern Cc: dbrownell@users.sourceforge.net Cc: Ingo Molnar Cc: Andrew Morton Cc: Yinghai Lu Cc: "Eric W. Biederman" Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hub.c | 7 +++++++ 1 file changed, 7 insertions(+) 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 -- 2.20.1