From: Greg KH <greg@kroah.com>
To: torvalds@transmeta.com
Cc: linux-usb-devel@lists.sourceforge.net
Subject: [PATCH 8 of 9] USB vicam driver update

Hi,
Here's a patch against 2.5.3 for the USB vicam driver that removes the
use of interruptible_sleep_on() in the driver.  This patch was done by
Oliver Neukum.

thanks,

greg k-h
				  

diff -Nru a/drivers/usb/vicam.c b/drivers/usb/vicam.c
--- a/drivers/usb/vicam.c	Sun Feb  3 00:53:04 2002
+++ b/drivers/usb/vicam.c	Sun Feb  3 00:53:04 2002
@@ -79,7 +79,7 @@
 static struct usb_driver vicam_driver;
 
 static char *buf, *buf2;
-static int change_pending = 0; 
+static volatile int change_pending = 0; 
 
 static int vicam_parameters(struct usb_vicam *vicam);
 
@@ -330,8 +330,14 @@
 
 static void synchronize(struct usb_vicam *vicam)
 {
+	DECLARE_WAITQUEUE(wait, current);
 	change_pending = 1;
-	interruptible_sleep_on(&vicam->wait);
+	set_current_state(TASK_INTERRUPTIBLE);
+	add_wait_queue(&vicam->wait, &wait);
+	if (change_pending)
+		schedule();
+	remove_wait_queue(&vicam->wait, &wait);
+	set_current_state(TASK_RUNNING);
 	vicam_sndctrl(1, vicam, VICAM_REQ_CAMERA_POWER, 0x00, NULL, 0);
 	mdelay(10);
 	vicam_sndctrl(1, vicam, VICAM_REQ_LED_CONTROL, 0x00, NULL, 0);