linux-kernel - [PATCH V1 1/1] usb/host: To get "usb3-slow-suspend" property, then to set xhci quirks

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Date:   Tue, 12 Apr 2022 10:59:52 +0800
From:   Surong Pang <surong.pang@...il.com>
To:     mathias.nyman@...el.com, gregkh@...uxfoundation.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH V1 1/1] usb/host: To get "usb3-slow-suspend" property, then to set xhci quirks

From: Surong Pang <surong.pang@...soc.com>

To set xhci->quirks value according to "usb3-slow-suspend" property

Signed-off-by: Surong Pang <surong.pang@...soc.com>
---
 drivers/usb/host/xhci-plat.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 649ffd861b44..6bc456bc6468 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -302,6 +302,9 @@ static int xhci_plat_probe(struct platform_device *pdev)
 		if (device_property_read_bool(tmpdev, "usb3-lpm-capable"))
 			xhci->quirks |= XHCI_LPM_SUPPORT;
 
+		if (device_property_read_bool(tmpdev, "usb3-slow-suspend"))
+			xhci->quirks |= XHCI_SLOW_SUSPEND;
+
 		if (device_property_read_bool(tmpdev, "quirk-broken-port-ped"))
 			xhci->quirks |= XHCI_BROKEN_PORT_PED;
 
-- 
2.17.1