From d0e05bb3d611c7c3d37cadd8c1016ee2e22beefa Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 18 May 2012 10:20:33 +0900
Subject: [PATCH] sh: mach-se: Migrate 7724SE off of deprecated dynamic IRQ
 API.

The generic hardirq layer provides all of the routines that we need these
days, so we don't require any of the dynamic IRQ API wrapping, and can
call in to irq_alloc_descs() directly.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-se/7724/irq.c | 38 ++++++++++++-------------------
 1 file changed, 14 insertions(+), 24 deletions(-)

diff --git a/arch/sh/boards/mach-se/7724/irq.c b/arch/sh/boards/mach-se/7724/irq.c
index c6342ce7768d..5d1d3ec9a6cd 100644
--- a/arch/sh/boards/mach-se/7724/irq.c
+++ b/arch/sh/boards/mach-se/7724/irq.c
@@ -17,8 +17,10 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
-#include <asm/irq.h>
-#include <asm/io.h>
+#include <linux/export.h>
+#include <linux/topology.h>
+#include <linux/io.h>
+#include <linux/err.h>
 #include <mach-se/mach/se7724.h>
 
 struct fpga_irq {
@@ -111,7 +113,7 @@ static void se7724_irq_demux(unsigned int irq, struct irq_desc *desc)
  */
 void __init init_se7724_IRQ(void)
 {
-	int i, nid = cpu_to_node(boot_cpu_data);
+	int irq_base, i;
 
 	__raw_writew(0xffff, IRQ0_MR);  /* mask all */
 	__raw_writew(0xffff, IRQ1_MR);  /* mask all */
@@ -121,29 +123,17 @@ void __init init_se7724_IRQ(void)
 	__raw_writew(0x0000, IRQ2_SR);  /* clear irq */
 	__raw_writew(0x002a, IRQ_MODE); /* set irq type */
 
-	for (i = 0; i < SE7724_FPGA_IRQ_NR; i++) {
-		int irq, wanted;
-
-		wanted = SE7724_FPGA_IRQ_BASE + i;
-
-		irq = create_irq_nr(wanted, nid);
-		if (unlikely(irq == 0)) {
-			pr_err("%s: failed hooking irq %d for FPGA\n",
-			       __func__, wanted);
-			return;
-		}
-
-		if (unlikely(irq != wanted)) {
-			pr_err("%s: got irq %d but wanted %d, bailing.\n",
-			       __func__, irq, wanted);
-			destroy_irq(irq);
-			return;
-		}
-
-		irq_set_chip_and_handler_name(irq, &se7724_irq_chip,
-					      handle_level_irq, "level");
+	irq_base = irq_alloc_descs(SE7724_FPGA_IRQ_BASE, SE7724_FPGA_IRQ_BASE,
+				   SE7724_FPGA_IRQ_NR, numa_node_id());
+	if (IS_ERR_VALUE(irq_base)) {
+		pr_err("%s: failed hooking irqs for FPGA\n", __func__);
+		return;
 	}
 
+	for (i = 0; i < SE7724_FPGA_IRQ_NR; i++)
+		irq_set_chip_and_handler_name(irq_base + i, &se7724_irq_chip,
+					      handle_level_irq, "level");
+
 	irq_set_chained_handler(IRQ0_IRQ, se7724_irq_demux);
 	irq_set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);