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, 11 insertions, 6 deletions

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index 621e7329ec6..30baa63b24c 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -238,13 +238,18 @@ static struct intc_sense_reg sense_registers[] __initdata = {
                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
 };
 
-static DECLARE_INTC_DESC(intc_desc_irq0123, "sh7785-irq0123", vectors_irq0123,
-                         NULL, mask_registers, prio_registers,
-                         sense_registers);
+static struct intc_mask_reg ack_registers[] __initdata = {
+        { 0xffd00024, 0, 32, /* INTREQ */
+          { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
+};
+
+static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7785-irq0123",
+                             vectors_irq0123, NULL, mask_registers,
+                             prio_registers, sense_registers, ack_registers);
 
-static DECLARE_INTC_DESC(intc_desc_irq4567, "sh7785-irq4567", vectors_irq4567,
-                         NULL, mask_registers, prio_registers,
-                         sense_registers);
+static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7785-irq4567",
+                             vectors_irq4567, NULL, mask_registers,
+                             prio_registers, sense_registers, ack_registers);
 
 /* External interrupt pins in IRL mode */