diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:38 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:38 +0000 |
| commit | 9351405e44641037ccff29c0d88d92c0617b5088 (patch) | |
| tree | dfee90e28394ae31df1033696f8656add6c4fc26 /drivers/usb/host/xhci-hub.c | |
| parent | Releasing progress-linux version 4.19.249-2progress5u1. (diff) | |
| download | linux-9351405e44641037ccff29c0d88d92c0617b5088.tar.xz linux-9351405e44641037ccff29c0d88d92c0617b5088.zip | |
Merging upstream version 4.19.260.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 1bb48e534..b5a18817c 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1464,6 +1464,17 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) status = bus_state->resuming_ports; + /* + * SS devices are only visible to roothub after link training completes. + * Keep polling roothubs for a grace period after xHC start + */ + if (xhci->run_graceperiod) { + if (time_before(jiffies, xhci->run_graceperiod)) + status = 1; + else + xhci->run_graceperiod = 0; + } + mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC | PORT_CEC; /* For each port, did anything change? If so, set that bit in buf. */ |