linux-kernel - [PATCH 5/8] media: em28xx: fix control-message timeouts

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Message-Id: <20211025121641.6759-6-johan@kernel.org>
Date:   Mon, 25 Oct 2021 14:16:38 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Sean Young <sean@...s.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     Mike Isely <isely@...ox.com>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        linux-media@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, Johan Hovold <johan@...nel.org>,
        stable@...r.kernel.org
Subject: [PATCH 5/8] media: em28xx: fix control-message timeouts

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>
---
 drivers/media/usb/em28xx/em28xx-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index 584fa400cd7d..f366bb47ec6d 100644
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -89,7 +89,7 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
 	mutex_lock(&dev->ctrl_urb_lock);
 	ret = usb_control_msg(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) {
 		em28xx_regdbg("(pipe 0x%08x): IN:  %02x %02x %02x %02x %02x %02x %02x %02x  failed with error %i\n",
 			      pipe,
@@ -158,7 +158,7 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
 	memcpy(dev->urb_buf, buf, len);
 	ret = usb_control_msg(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) {
-- 
2.32.0