This is a note to let you know that I've just added the patch titled
usb: host: xhci-plat: suspend/resume clks for brcm
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-host-xhci-plat-suspend-resume-clks-for-brcm.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a0c3a10dc41f835d590d2d4a77e39e76445d9491
Author: Justin Chen <justinpopo6@xxxxxxxxx>
Date: Wed Aug 10 15:27:35 2022 -0700
usb: host: xhci-plat: suspend/resume clks for brcm
[ Upstream commit c69400b09e471a3f1167adead55a808f0da6534a ]
The xhci_plat_brcm xhci block can enter suspend with clock disabled to save
power and re-enable them on resume. Make use of the XHCI_SUSPEND_RESUME_CLKS
quirk to do so.
Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: Justin Chen <justinpopo6@xxxxxxxxx>
Link: https://lore.kernel.org/r/1660170455-15781-3-git-send-email-justinpopo6@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 2687662f26b6..972a44b2a7f1 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -134,7 +134,7 @@ static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen3 = {
};
static const struct xhci_plat_priv xhci_plat_brcm = {
- .quirks = XHCI_RESET_ON_RESUME,
+ .quirks = XHCI_RESET_ON_RESUME | XHCI_SUSPEND_RESUME_CLKS,
};
static const struct of_device_id usb_xhci_of_match[] = {
