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| author | Artur Petrosyan <Arthur.Petrosyan@synopsys.com> | 2021-04-16 16:47:06 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-22 11:55:33 +0200 |
| commit | c2db8d7b9568b10e014af83b3c15e39929e3579e (patch) | |
| tree | 6c00b80fef357d8ba49b813d218b2cd65401074b /drivers/usb/dwc2 | |
| parent | b29b494bcc2e612e3abcd1b136db25433eaeee1d (diff) | |
| download | linux-c2db8d7b9568b10e014af83b3c15e39929e3579e.tar.gz linux-c2db8d7b9568b10e014af83b3c15e39929e3579e.tar.bz2 linux-c2db8d7b9568b10e014af83b3c15e39929e3579e.zip | |
usb: dwc2: Fix host mode hibernation exit with remote wakeup flow.
Added setting "port_connect_status_change" flag to "1" in order
to re-enumerate, because after exit from hibernation port
connection status is not detected.
Fixes: c5c403dc4336 ("usb: dwc2: Add host/device hibernation functions")
Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
Link: https://lore.kernel.org/r/20210416124707.5EEC2A005D@mailhost.synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc2')
| -rw-r--r-- | drivers/usb/dwc2/hcd.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index cda3f931195d..ff945c40ef8a 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -5650,7 +5650,15 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup, return ret; } - dwc2_hcd_rem_wakeup(hsotg); + if (rem_wakeup) { + dwc2_hcd_rem_wakeup(hsotg); + /* + * Change "port_connect_status_change" flag to re-enumerate, + * because after exit from hibernation port connection status + * is not detected. + */ + hsotg->flags.b.port_connect_status_change = 1; + } hsotg->hibernated = 0; hsotg->bus_suspended = 0; |