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| author | Paolo Bonzini <pbonzini@redhat.com> | 2022-09-23 10:06:08 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-09-23 10:06:08 -0400 |
| commit | 69604fe76e58c9d195e48b41d019b07fc27ce9d7 (patch) | |
| tree | c9d1e7cfe406a8f168c3aceaf989eea0275d3045 /drivers/usb/host/xhci-hub.c | |
| parent | 50b2d49bafa16e6311ab2da82f5aafc5f9ada99b (diff) | |
| parent | 189e7d876e48d7c791fe1c9c01516f70f5621a9f (diff) | |
Merge tag 'kvm-s390-master-6.0-2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
More pci fixes
Fix for a code analyser warning
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 0fdc014c9401..4619d5e89d5b 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -652,7 +652,7 @@ struct xhci_hub *xhci_get_rhub(struct usb_hcd *hcd) * It will release and re-aquire the lock while calling ACPI * method. */ -void xhci_set_port_power(struct xhci_hcd *xhci, struct usb_hcd *hcd, +static void xhci_set_port_power(struct xhci_hcd *xhci, struct usb_hcd *hcd, u16 index, bool on, unsigned long *flags) __must_hold(&xhci->lock) { @@ -1648,6 +1648,17 @@ 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. */ |