From: Thomas Zimmermann <tzimmermann@suse.de>
Date: Thu, 6 Oct 2022 09:53:42 +0000 (+0200)
Subject: drm/udl: Use USB timeout constant when reading EDID
X-Git-Tag: v6.6.7~1918^2~23^2~1551
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2c1eafc40e53312864bf2fdccb55052dcbd9e8b2;p=platform%2Fkernel%2Flinux-starfive.git

drm/udl: Use USB timeout constant when reading EDID

Set the USB control-message timeout to the USB default of 5 seconds.
Done for consistency with other uses of usb_control_msg() in udl and
other drivers.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-4-tzimmermann@suse.de
---

diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c
index e953982..cb3d682 100644
--- a/drivers/gpu/drm/udl/udl_connector.c
+++ b/drivers/gpu/drm/udl/udl_connector.c
@@ -31,7 +31,7 @@ static int udl_get_edid_block(void *data, u8 *buf, unsigned int block,
 		int bval = (i + block * EDID_LENGTH) << 8;
 		ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 				      0x02, (0x80 | (0x02 << 5)), bval,
-				      0xA1, read_buff, 2, 1000);
+				      0xA1, read_buff, 2, USB_CTRL_GET_TIMEOUT);
 		if (ret < 1) {
 			DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret);
 			kfree(read_buff);