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powerpc: Remove NO_IRQ_IGNORE

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Now that legacy iSeries is gone, this is no longer used.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Stephen Rothwell 2012-03-21 18:09:51 +00:00 committed by Benjamin Herrenschmidt
parent 9012899781
commit 7ba3e4f587
3 changed files with 3 additions and 11 deletions
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6
arch/powerpc/include/asm/irq.h
View File

@ -27,12 +27,6 @@ extern atomic_t ppc_n_lost_interrupts;
/* This number is used when no interrupt has been assigned */
#define NO_IRQ (0)
/* This is a special irq number to return from get_irq() to tell that
* no interrupt happened _and_ ignore it (don't count it as bad). Some
* platforms like iSeries rely on that.
*/
#define NO_IRQ_IGNORE ((unsigned int)-1)
/* Total number of virq in the platform */
#define NR_IRQS CONFIG_NR_IRQS

4
arch/powerpc/include/asm/machdep.h
View File

@ -99,9 +99,7 @@ struct machdep_calls {
void (*init_IRQ)(void);
/* Return an irq, or NO_IRQ to indicate there are none pending.
* If for some reason there is no irq, but the interrupt
* shouldn't be counted as spurious, return NO_IRQ_IGNORE. */
/* Return an irq, or NO_IRQ to indicate there are none pending. */
unsigned int (*get_irq)(void);
/* PCI stuff */

4
arch/powerpc/kernel/irq.c
View File

@ -445,9 +445,9 @@ void do_IRQ(struct pt_regs *regs)
may_hard_irq_enable();
/* And finally process it */
if (irq != NO_IRQ && irq != NO_IRQ_IGNORE)
if (irq != NO_IRQ)
handle_one_irq(irq);
else if (irq != NO_IRQ_IGNORE)
else
__get_cpu_var(irq_stat).spurious_irqs++;
irq_exit();