---

yaml --- r: 149632 b: refs/heads/master c: 9b647a3 h: refs/heads/master v: v3
git-mirror · May 21, 2009 · 7d7305d · 7d7305d
1 parent 4ba4dac
commit 7d7305d
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Showing 3 changed files with 5 additions and 8 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d7cb10d6d23f451eec3d1f0f4e4e8862333fa152
+refs/heads/master: 9b647a30cbc228259555d6b0b6bc7d9ec798f907
diff --git a/trunk/arch/powerpc/include/asm/machdep.h b/trunk/arch/powerpc/include/asm/machdep.h
@@ -110,6 +110,10 @@ struct machdep_calls {
 	void		(*show_percpuinfo)(struct seq_file *m, int i);
 
 	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. */
 	unsigned int	(*get_irq)(void);
 #ifdef CONFIG_KEXEC
 	void		(*kexec_cpu_down)(int crash_shutdown, int secondary);

diff --git a/trunk/arch/powerpc/kernel/irq.c b/trunk/arch/powerpc/kernel/irq.c
@@ -326,13 +326,6 @@ void do_IRQ(struct pt_regs *regs)
 
 	check_stack_overflow();
 
-	/*
-	 * Every platform is required to implement ppc_md.get_irq.
-	 * This function will either return an irq number or NO_IRQ to
-	 * indicate there are no more pending.
-	 * The value NO_IRQ_IGNORE is for buggy hardware and means that this
-	 * IRQ has already been handled. -- Tom
-	 */
 	irq = ppc_md.get_irq();
 
 	if (irq != NO_IRQ && irq != NO_IRQ_IGNORE)