linux-kernel - [PATCH 4.9 019/157] media: em28xx: fix control-message timeouts

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Message-Id: <20220124183933.405332952@linuxfoundation.org>
Date:   Mon, 24 Jan 2022 19:41:49 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Johan Hovold <johan@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: [PATCH 4.9 019/157] media: em28xx: fix control-message timeouts

From: Johan Hovold <johan@...nel.org>

commit d9b7e8df3aa9b8c10708aab60e72e79ac08237e4 upstream.

USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.

Fixes: a6c2ba283565 ("[PATCH] v4l: 716: support for em28xx board family")
Cc: stable@...r.kernel.org      # 2.6.16
Signed-off-by: Johan Hovold <johan@...nel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/media/usb/em28xx/em28xx-core.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -99,7 +99,7 @@ int em28xx_read_reg_req_len(struct em28x
 	mutex_lock(&dev->ctrl_urb_lock);
 	ret = usb_control_msg(dev->udev, pipe, req,
 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			      0x0000, reg, dev->urb_buf, len, HZ);
+			      0x0000, reg, dev->urb_buf, len, 1000);
 	if (ret < 0) {
 		if (reg_debug)
 			printk(" failed!\n");
@@ -182,7 +182,7 @@ int em28xx_write_regs_req(struct em28xx
 	memcpy(dev->urb_buf, buf, len);
 	ret = usb_control_msg(dev->udev, pipe, req,
 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			      0x0000, reg, dev->urb_buf, len, HZ);
+			      0x0000, reg, dev->urb_buf, len, 1000);
 	mutex_unlock(&dev->ctrl_urb_lock);
 
 	if (ret < 0)