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raw | patch | inline | side by side (parent: 8b27851)
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | |
Tue, 25 Jul 2017 21:58:50 +0000 (23:58 +0200) | ||
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
Wed, 16 Aug 2017 20:40:29 +0000 (13:40 -0700) |
commit cd5a6a4fdaba150089af2afc220eae0fef74878a upstream.
Make usb_hc_died() clear the HCD_FLAG_RH_RUNNING flag for the shared
HCD and set HCD_FLAG_DEAD for it, in analogy with what is done for
the primary one.
Among other thigs, this prevents check_root_hub_suspended() from
returning -EBUSY for dead HCDs which helps to work around system
suspend issues in some situations.
This actually fixes occasional suspend failures on one of my test
machines.
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make usb_hc_died() clear the HCD_FLAG_RH_RUNNING flag for the shared
HCD and set HCD_FLAG_DEAD for it, in analogy with what is done for
the primary one.
Among other thigs, this prevents check_root_hub_suspended() from
returning -EBUSY for dead HCDs which helps to work around system
suspend issues in some situations.
This actually fixes occasional suspend failures on one of my test
machines.
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/core/hcd.c | patch | blob | history |
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index b403596818db429ff95c62a4536c99b85df70b1f..12c123762b7610a68e08d21ad02b5d4879292ef9 100644 (file)
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
}
if (usb_hcd_is_primary_hcd(hcd) && hcd->shared_hcd) {
hcd = hcd->shared_hcd;
+ clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags);
+ set_bit(HCD_FLAG_DEAD, &hcd->flags);
if (hcd->rh_registered) {
clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);