1 files changed, 31 insertions, 25 deletions

diff --git a/arch/sh/boards/mach-se/7343/irq.c b/arch/sh/boards/mach-se/7343/irq.c
index 051c29d4eae0..76255a19417f 100644
--- a/arch/sh/boards/mach-se/7343/irq.c
+++ b/arch/sh/boards/mach-se/7343/irq.c
@@ -16,40 +16,38 @@
 #include <linux/io.h>
 #include <mach-se/mach/se7343.h>
 
-static void disable_se7343_irq(unsigned int irq)
+unsigned int se7343_fpga_irq[SE7343_FPGA_IRQ_NR] = { 0, };
+
+static void disable_se7343_irq(struct irq_data *data)
 {
-        unsigned int bit = irq - SE7343_FPGA_IRQ_BASE;
-        ctrl_outw(ctrl_inw(PA_CPLD_IMSK) | 1 << bit, PA_CPLD_IMSK);
+        unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
+        __raw_writew(__raw_readw(PA_CPLD_IMSK) | 1 << bit, PA_CPLD_IMSK);
 }
 
-static void enable_se7343_irq(unsigned int irq)
+static void enable_se7343_irq(struct irq_data *data)
 {
-        unsigned int bit = irq - SE7343_FPGA_IRQ_BASE;
-        ctrl_outw(ctrl_inw(PA_CPLD_IMSK) & ~(1 << bit), PA_CPLD_IMSK);
+        unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
+        __raw_writew(__raw_readw(PA_CPLD_IMSK) & ~(1 << bit), PA_CPLD_IMSK);
 }
 
 static struct irq_chip se7343_irq_chip __read_mostly = {
-        .name           = "SE7343-FPGA",
-        .mask           = disable_se7343_irq,
-        .unmask         = enable_se7343_irq,
-        .mask_ack       = disable_se7343_irq,
+        .name           = "SE7343-FPGA",
+        .irq_mask       = disable_se7343_irq,
+        .irq_unmask     = enable_se7343_irq,
 };
 
 static void se7343_irq_demux(unsigned int irq, struct irq_desc *desc)
 {
-        unsigned short intv = ctrl_inw(PA_CPLD_ST);
-        struct irq_desc *ext_desc;
-        unsigned int ext_irq = SE7343_FPGA_IRQ_BASE;
+        unsigned short intv = __raw_readw(PA_CPLD_ST);
+        unsigned int ext_irq = 0;
 
         intv &= (1 << SE7343_FPGA_IRQ_NR) - 1;
 
-        while (intv) {
-                if (intv & 1) {
-                        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(se7343_fpga_irq[ext_irq]);
         }
 }
 
@@ -58,16 +56,24 @@ static void se7343_irq_demux(unsigned int irq, struct irq_desc *desc)
  */
 void __init init_7343se_IRQ(void)
 {
-        int i;
+        int i, irq;
+
+        __raw_writew(0, PA_CPLD_IMSK);  /* disable all irqs */
+        __raw_writew(0x2000, 0xb03fffec);       /* mrshpc irq enable */
 
-        ctrl_outw(0, PA_CPLD_IMSK);     /* disable all irqs */
-        ctrl_outw(0x2000, 0xb03fffec);  /* mrshpc irq enable */
+        for (i = 0; i < SE7343_FPGA_IRQ_NR; i++) {
+                irq = create_irq();
+                if (irq < 0)
+                        return;
+                se7343_fpga_irq[i] = irq;
 
-        for (i = 0; i < SE7343_FPGA_IRQ_NR; i++)
-                set_irq_chip_and_handler_name(SE7343_FPGA_IRQ_BASE + i,
+                set_irq_chip_and_handler_name(se7343_fpga_irq[i],
                                               &se7343_irq_chip,
                                               handle_level_irq, "level");
 
+                set_irq_chip_data(se7343_fpga_irq[i], (void *)i);
+        }
+
         set_irq_chained_handler(IRQ0_IRQ, se7343_irq_demux);
         set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);
         set_irq_chained_handler(IRQ1_IRQ, se7343_irq_demux);