sh: add interrupt ack code to sh4a

This patch is based on interrupt acknowledge code for external
interrupt sources on sh3 processors and adds on sh4a processors.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 8 insertions, 3 deletions

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
index 3b278df8a53b..3c5b629887a8 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
@@ -296,9 +296,14 @@ static struct intc_sense_reg irq_sense_registers[] __initdata = {
                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
 };
 
-static DECLARE_INTC_DESC(intc_irq_desc, "sh7763-irq", irq_vectors,
-                        NULL, irq_mask_registers, irq_prio_registers,
-                        irq_sense_registers);
+static struct intc_mask_reg irq_ack_registers[] __initdata = {
+        { 0xffd00024, 0, 32, /* INTREQ */
+          { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
+};
+
+static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7763-irq", irq_vectors,
+                             NULL, irq_mask_registers, irq_prio_registers,
+                             irq_sense_registers, irq_ack_registers);
 
 
 /* External interrupt pins in IRL mode */