1 files changed, 42 insertions, 36 deletions

diff --git a/arch/sh/boards/mach-se/7724/irq.c b/arch/sh/boards/mach-se/7724/irq.c
index f76cf3b49f2..5d1d3ec9a6c 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 {
@@ -68,43 +70,41 @@ static struct fpga_irq get_fpga_irq(unsigned int irq)
 	return set;
 }
 
-static void disable_se7724_irq(unsigned int irq)
+static void disable_se7724_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	struct fpga_irq set = get_fpga_irq(fpga2irq(irq));
 	unsigned int bit = irq - set.base;
-	ctrl_outw(ctrl_inw(set.mraddr) | 0x0001 << bit, set.mraddr);
+	__raw_writew(__raw_readw(set.mraddr) | 0x0001 << bit, set.mraddr);
 }
 
-static void enable_se7724_irq(unsigned int irq)
+static void enable_se7724_irq(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	struct fpga_irq set = get_fpga_irq(fpga2irq(irq));
 	unsigned int bit = irq - set.base;
-	ctrl_outw(ctrl_inw(set.mraddr) & ~(0x0001 << bit), set.mraddr);
+	__raw_writew(__raw_readw(set.mraddr) & ~(0x0001 << bit), set.mraddr);
 }
 
 static struct irq_chip se7724_irq_chip __read_mostly = {
-	.name           = "SE7724-FPGA",
-	.mask           = disable_se7724_irq,
-	.unmask         = enable_se7724_irq,
-	.mask_ack       = disable_se7724_irq,
+	.name		= "SE7724-FPGA",
+	.irq_mask	= disable_se7724_irq,
+	.irq_unmask	= enable_se7724_irq,
 };
 
 static void se7724_irq_demux(unsigned int irq, struct irq_desc *desc)
 {
 	struct fpga_irq set = get_fpga_irq(irq);
-	unsigned short intv = ctrl_inw(set.sraddr);
-	struct irq_desc *ext_desc;
+	unsigned short intv = __raw_readw(set.sraddr);
 	unsigned int ext_irq = set.base;
 
 	intv &= set.mask;
 
-	while (intv) {
-		if (intv & 0x0001) {
-			ext_desc = irq_desc + ext_irq;
-			handle_level_irq(ext_irq, ext_desc);
-		}
-		intv >>= 1;
-		ext_irq++;
+	for (; intv; intv >>= 1, ext_irq++) {
+		if (!(intv & 1))
+			continue;
+
+		generic_handle_irq(ext_irq);
 	}
 }
 
@@ -113,27 +113,33 @@ static void se7724_irq_demux(unsigned int irq, struct irq_desc *desc)
  */
 void __init init_se7724_IRQ(void)
 {
-	int i;
-
-	ctrl_outw(0xffff, IRQ0_MR);  /* mask all */
-	ctrl_outw(0xffff, IRQ1_MR);  /* mask all */
-	ctrl_outw(0xffff, IRQ2_MR);  /* mask all */
-	ctrl_outw(0x0000, IRQ0_SR);  /* clear irq */
-	ctrl_outw(0x0000, IRQ1_SR);  /* clear irq */
-	ctrl_outw(0x0000, IRQ2_SR);  /* clear irq */
-	ctrl_outw(0x002a, IRQ_MODE); /* set irq type */
+	int irq_base, i;
+
+	__raw_writew(0xffff, IRQ0_MR);  /* mask all */
+	__raw_writew(0xffff, IRQ1_MR);  /* mask all */
+	__raw_writew(0xffff, IRQ2_MR);  /* mask all */
+	__raw_writew(0x0000, IRQ0_SR);  /* clear irq */
+	__raw_writew(0x0000, IRQ1_SR);  /* clear irq */
+	__raw_writew(0x0000, IRQ2_SR);  /* clear irq */
+	__raw_writew(0x002a, IRQ_MODE); /* set irq type */
+
+	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++)
-		set_irq_chip_and_handler_name(SE7724_FPGA_IRQ_BASE + i,
-					      &se7724_irq_chip,
+		irq_set_chip_and_handler_name(irq_base + i, &se7724_irq_chip,
 					      handle_level_irq, "level");
 
-	set_irq_chained_handler(IRQ0_IRQ, se7724_irq_demux);
-	set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);
+	irq_set_chained_handler(IRQ0_IRQ, se7724_irq_demux);
+	irq_set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);
 
-	set_irq_chained_handler(IRQ1_IRQ, se7724_irq_demux);
-	set_irq_type(IRQ1_IRQ, IRQ_TYPE_LEVEL_LOW);
+	irq_set_chained_handler(IRQ1_IRQ, se7724_irq_demux);
+	irq_set_irq_type(IRQ1_IRQ, IRQ_TYPE_LEVEL_LOW);
 
-	set_irq_chained_handler(IRQ2_IRQ, se7724_irq_demux);
-	set_irq_type(IRQ2_IRQ, IRQ_TYPE_LEVEL_LOW);
+	irq_set_chained_handler(IRQ2_IRQ, se7724_irq_demux);
+	irq_set_irq_type(IRQ2_IRQ, IRQ_TYPE_LEVEL_LOW);
 }