usb: host: xhci-plat: suspend/resume clks for brcm
authorJustin Chen <justinpopo6@gmail.com>
Wed, 10 Aug 2022 22:27:35 +0000 (15:27 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 26 Oct 2022 10:35:46 +0000 (12:35 +0200)
[ 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@gmail.com>
Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Link: https://lore.kernel.org/r/1660170455-15781-3-git-send-email-justinpopo6@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/usb/host/xhci-plat.c

index 2687662..972a44b 100644 (file)
@@ -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[] = {