diff options
| author | Heiner Kallweit <hkallweit1@gmail.com> | 2022-05-12 01:04:43 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-12 19:32:24 +0300 |
| commit | 873f323618c202cd0675324a1027dcecc7745d0b (patch) | |
| tree | 4a613b8ee5e47ef6d31f61c2d5744acac42f9c17 /drivers/usb/host/xhci-hub.c | |
| parent | 57f23cd0bf2f56d339f810a913a9c0c5abfcfc7e (diff) | |
| download | linux-873f323618c202cd0675324a1027dcecc7745d0b.tar.xz | |
xhci: prepare for operation w/o shared hcd
This patch prepares xhci for the following scenario:
- If either of the root hubs has no ports, then omit shared hcd
- Main hcd can be USB3 if there are no USB2 ports
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220511220450.85367-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index f65f1ba2b592..c54f2bc23d3f 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -707,6 +707,7 @@ static int xhci_enter_test_mode(struct xhci_hcd *xhci, u16 test_mode, u16 wIndex, unsigned long *flags) __must_hold(&xhci->lock) { + struct usb_hcd *usb3_hcd = xhci_get_usb3_hcd(xhci); int i, retval; /* Disable all Device Slots */ @@ -727,7 +728,7 @@ static int xhci_enter_test_mode(struct xhci_hcd *xhci, xhci_dbg(xhci, "Disable all port (PP = 0)\n"); /* Power off USB3 ports*/ for (i = 0; i < xhci->usb3_rhub.num_ports; i++) - xhci_set_port_power(xhci, xhci->shared_hcd, i, false, flags); + xhci_set_port_power(xhci, usb3_hcd, i, false, flags); /* Power off USB2 ports*/ for (i = 0; i < xhci->usb2_rhub.num_ports; i++) xhci_set_port_power(xhci, xhci->main_hcd, i, false, flags); |