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From: Daehwan Jung <dh10.jung@samsung.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Rob Herring
	<robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley
	<conor+dt@kernel.org>, Thinh Nguyen <Thinh.Nguyen@synopsys.com>, Mathias
	Nyman <mathias.nyman@intel.com>, Felipe Balbi <balbi@kernel.org>
Cc: linux-usb@vger.kernel.org (open list:USB SUBSYSTEM),
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE
	TREE BINDINGS), linux-kernel@vger.kernel.org (open list), Daehwan Jung
	<dh10.jung@samsung.com>
Subject: [PATCH v2 5/5] usb: host: xhci-plat: Add support for
 XHCI_WRITE_64_HI_LO_QUIRK
Date: Fri, 31 May 2024 15:07:37 +0900
Message-Id: <1717135657-120818-6-git-send-email-dh10.jung@samsung.com>
In-Reply-To: <1717135657-120818-1-git-send-email-dh10.jung@samsung.com>
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References: <1717135657-120818-1-git-send-email-dh10.jung@samsung.com>
	<CGME20240531060731epcas2p4f14afae9f00a7e71e6bd3863f0a51441@epcas2p4.samsung.com>
Precedence: bulk

This is set by dwc3 parent node to support writing high-low order.

Signed-off-by: Daehwan Jung <dh10.jung@samsung.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 3d071b8..31bdfa5 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -256,6 +256,9 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s
 		if (device_property_read_bool(tmpdev, "xhci-sg-trb-cache-size-quirk"))
 			xhci->quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK;
 
+		if (device_property_read_bool(tmpdev, "write-64-hi-lo-quirk"))
+			xhci->quirks |= XHCI_WRITE_64_HI_LO;
+
 		device_property_read_u32(tmpdev, "imod-interval-ns",
 					 &xhci->imod_interval);
 	}
-- 
2.7.4