diff options
| author | Niklas Neronin <niklas.neronin@linux.intel.com> | 2026-04-02 16:13:39 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-04-02 15:55:38 +0200 |
| commit | d81a5580845875de1f3e7156b2317f89bf81a936 (patch) | |
| tree | 6e6b7eaa34f7f595038ed2fb4af0f6b5895621f5 /drivers | |
| parent | 5dfc7f985f09f998fa3a384d79ea6c64fbc7afd8 (diff) | |
usb: xhci: simpilfy resume root hub code
Resume roothubs without checking 'retval' value, as it is always '0'.
Due to changes made in commit 79989bd4ab86 ("xhci: always resume roothubs
if xHC was reset during resume") the check is redundant.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://patch.msgid.link/20260402131342.2628648-23-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci.c | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index ece3ff7916ff..6d27c471d4da 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1245,29 +1245,25 @@ int xhci_resume(struct xhci_hcd *xhci, bool power_lost, bool is_auto_resume) xhci_dbc_resume(xhci); - if (retval == 0) { - /* - * Resume roothubs only if there are pending events. - * USB 3 devices resend U3 LFPS wake after a 100ms delay if - * the first wake signalling failed, give it that chance if - * there are suspended USB 3 devices. - */ - if (xhci->usb3_rhub.bus_state.suspended_ports || - xhci->usb3_rhub.bus_state.bus_suspended) - suspended_usb3_devs = true; + /* + * Resume roothubs only if there are pending events. + * USB 3 devices resend U3 LFPS wake after a 100ms delay if + * the first wake signalling failed, give it that chance if + * there are suspended USB 3 devices. + */ + if (xhci->usb3_rhub.bus_state.suspended_ports || xhci->usb3_rhub.bus_state.bus_suspended) + suspended_usb3_devs = true; + pending_portevent = xhci_pending_portevent(xhci); + if (suspended_usb3_devs && !pending_portevent && is_auto_resume) { + msleep(120); pending_portevent = xhci_pending_portevent(xhci); + } - if (suspended_usb3_devs && !pending_portevent && is_auto_resume) { - msleep(120); - pending_portevent = xhci_pending_portevent(xhci); - } - - if (pending_portevent) { - if (xhci->shared_hcd) - usb_hcd_resume_root_hub(xhci->shared_hcd); - usb_hcd_resume_root_hub(hcd); - } + if (pending_portevent) { + if (xhci->shared_hcd) + usb_hcd_resume_root_hub(xhci->shared_hcd); + usb_hcd_resume_root_hub(hcd); } /* |