diff options
| author | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-06-29 18:18:41 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-18 13:01:11 +0200 |
| commit | 768430e470e20559b7bbef5379b9ab435b4762c8 (patch) | |
| tree | e38f7400f2d63e19fcd05d606ad9b343ab9f8d68 /drivers/usb/host/xhci.h | |
| parent | 258f92d2f840b6ea62c0b33f04eb4d9270935bba (diff) | |
usb: xhci-pci: Add support for reset controllers
Some atypical users of xhci-pci might need to manually reset their xHCI
controller before starting the HCD setup. Check if a reset controller
device is available to the PCI bus and trigger a reset.
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200629161845.6021-6-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index ea1754f185a2..ac44b62ca0c5 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1770,6 +1770,8 @@ struct xhci_hcd { /* optional clocks */ struct clk *clk; struct clk *reg_clk; + /* optional reset controller */ + struct reset_control *reset; /* data structures */ struct xhci_device_context_array *dcbaa; struct xhci_ring *cmd_ring; |