Linus, please apply. Andrew, please drop the other hvc_console patch
you have.
Paulus preferred this over #defining NO_IRQ in the file, since that's
0 for powerpc anyway.
Signed-off-by: Rusty Russell <[email protected]>
Acked-by: Paul Mackerras <[email protected]>
diff -urpN --exclude TAGS -X /home/rusty/devel/kernel/kernel-patches/dontdiff --minimal linux-2.6.21-rc1/drivers/char/hvc_console.c working-2.6.21-rc1-NO_IRQ/drivers/char/hvc_console.c
--- linux-2.6.21-rc1/drivers/char/hvc_console.c 2007-02-05 17:30:59.000000000 +1100
+++ working-2.6.21-rc1-NO_IRQ/drivers/char/hvc_console.c 2007-02-23 14:03:26.000000000 +1100
@@ -316,7 +316,7 @@ static int hvc_open(struct tty_struct *t
{
struct hvc_struct *hp;
unsigned long flags;
- int irq = NO_IRQ;
+ int irq = 0;
int rc = 0;
struct kobject *kobjp;
@@ -338,14 +338,14 @@ static int hvc_open(struct tty_struct *t
hp->tty = tty;
/* Save for request_irq outside of spin_lock. */
irq = hp->irq;
- if (irq != NO_IRQ)
+ if (irq)
hp->irq_requested = 1;
kobjp = &hp->kobj;
spin_unlock_irqrestore(&hp->lock, flags);
/* check error, fallback to non-irq */
- if (irq != NO_IRQ)
+ if (irq)
rc = request_irq(irq, hvc_handle_interrupt, IRQF_DISABLED, "hvc_console", hp);
/*
@@ -373,7 +373,7 @@ static void hvc_close(struct tty_struct
{
struct hvc_struct *hp;
struct kobject *kobjp;
- int irq = NO_IRQ;
+ int irq = 0;
unsigned long flags;
if (tty_hung_up_p(filp))
@@ -407,7 +407,7 @@ static void hvc_close(struct tty_struct
*/
tty_wait_until_sent(tty, HVC_CLOSE_WAIT);
- if (irq != NO_IRQ)
+ if (irq)
free_irq(irq, hp);
} else {
@@ -424,7 +424,7 @@ static void hvc_hangup(struct tty_struct
{
struct hvc_struct *hp = tty->driver_data;
unsigned long flags;
- int irq = NO_IRQ;
+ int irq = 0;
int temp_open_count;
struct kobject *kobjp;
@@ -453,7 +453,7 @@ static void hvc_hangup(struct tty_struct
irq = hp->irq;
hp->irq_requested = 0;
spin_unlock_irqrestore(&hp->lock, flags);
- if (irq != NO_IRQ)
+ if (irq)
free_irq(irq, hp);
while(temp_open_count) {
--temp_open_count;
@@ -583,7 +583,7 @@ static int hvc_poll(struct hvc_struct *h
/* If we aren't interrupt driven and aren't throttled, we always
* request a reschedule
*/
- if (hp->irq == NO_IRQ)
+ if (hp->irq == 0)
poll_mask |= HVC_POLL_READ;
/* Read data if any */
-
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