[BK/GNU] kill schedule_timeout(0) uses

[Jeff Garzik <jgarzik@mandrakesoft.com>]

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GNU patch attached and CC'd to lkml to encourage an extra look-over 
being applying...


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Linus, please do a

	bk pull http://gkernel.bkbits.net/misc-2.5

This will update the following files:

 drivers/cdrom/cdu31a.c    |    3 +--
 drivers/cdrom/sonycd535.c |    3 +--
 drivers/net/sb1000.c      |    8 ++++----
 drivers/net/sis900.c      |    4 ++--
 4 files changed, 8 insertions(+), 10 deletions(-)

through these ChangeSets:

<jgarzik@mandrakesoft.com> (02/09/22 1.598)
   s/schedule_timeout(0)/yield/ in cdu31a, sonycd535, sb1000, and sis900 drivers


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diff -Nru a/drivers/cdrom/cdu31a.c b/drivers/cdrom/cdu31a.c
--- a/drivers/cdrom/cdu31a.c	Sun Sep 22 18:24:25 2002
+++ b/drivers/cdrom/cdu31a.c	Sun Sep 22 18:24:25 2002
@@ -386,8 +386,7 @@
 	unsigned long flags;
 
 	if (cdu31a_irq <= 0) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule_timeout(0);
+		yield();
 	} else {		/* Interrupt driven */
 
 		save_flags(flags);
diff -Nru a/drivers/cdrom/sonycd535.c b/drivers/cdrom/sonycd535.c
--- a/drivers/cdrom/sonycd535.c	Sun Sep 22 18:24:25 2002
+++ b/drivers/cdrom/sonycd535.c	Sun Sep 22 18:24:25 2002
@@ -344,8 +344,7 @@
 sony_sleep(void)
 {
 	if (sony535_irq_used <= 0) {	/* poll */
-		current->state = TASK_INTERRUPTIBLE;
-		schedule_timeout(0);
+		yield();
 	} else {	/* Interrupt driven */
 		cli();
 		enable_interrupts();
diff -Nru a/drivers/net/sb1000.c b/drivers/net/sb1000.c
--- a/drivers/net/sb1000.c	Sun Sep 22 18:24:25 2002
+++ b/drivers/net/sb1000.c	Sun Sep 22 18:24:25 2002
@@ -295,8 +295,8 @@
 	timeout = jiffies + TimeOutJiffies;
 	while (a & 0x80 || a & 0x40) {
 		/* a little sleep */
-		current->state = TASK_INTERRUPTIBLE;
-		schedule_timeout(0);
+		yield();
+
 		a = inb(ioaddr[0] + 7);
 		if (jiffies >= timeout) {
 			printk(KERN_WARNING "%s: card_wait_for_busy_clear timeout\n",
@@ -319,8 +319,8 @@
 	timeout = jiffies + TimeOutJiffies;
 	while (a & 0x80 || !(a & 0x40)) {
 		/* a little sleep */
-		current->state = TASK_INTERRUPTIBLE;
-		schedule_timeout(0);
+		yield();
+
 		a = inb(ioaddr[1] + 6);
 		if (jiffies >= timeout) {
 			printk(KERN_WARNING "%s: card_wait_for_ready timeout\n",
diff -Nru a/drivers/net/sis900.c b/drivers/net/sis900.c
--- a/drivers/net/sis900.c	Sun Sep 22 18:24:25 2002
+++ b/drivers/net/sis900.c	Sun Sep 22 18:24:25 2002
@@ -573,8 +573,8 @@
 
 	if(status & MII_STAT_LINK){
 		while (poll_bit) {
-			current->state = TASK_INTERRUPTIBLE;
-			schedule_timeout(0);
+			yield();
+
 			poll_bit ^= (mdio_read(net_dev, sis_priv->cur_phy, MII_STATUS) & poll_bit);
 			if (jiffies >= timeout) {
 				printk(KERN_WARNING "%s: reset phy and link down now\n", net_dev->name);