powerpc/irq: Move get_irq() comment into header

The guts of do_IRQ() isn't really the right place to be documenting
the ppc_md.get_irq() interface. So move the comment into machdep.h

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 0 insertions, 7 deletions

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 463b6ab9d6b9..a5fe12aa937d 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/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)