sh: Convert SystemH board support from hw_interrupt_type to irq_chip

... as part of the hw_interrupt_type to irq_chip crusade.

Signed-off-by: Matt Fleming <mjf@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 6 insertions, 31 deletions

diff --git a/arch/sh/boards/mach-systemh/irq.c b/arch/sh/boards/mach-systemh/irq.c
index 538406872a89..986a0e71d220 100644
--- a/arch/sh/boards/mach-systemh/irq.c
+++ b/arch/sh/boards/mach-systemh/irq.c
@@ -12,8 +12,8 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <mach/systemh7751.h>
 #include <asm/smc37c93x.h>
 
@@ -24,35 +24,17 @@ static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004;
 static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000;
 
 /* forward declaration */
-static unsigned int startup_systemh_irq(unsigned int irq);
-static void shutdown_systemh_irq(unsigned int irq);
 static void enable_systemh_irq(unsigned int irq);
 static void disable_systemh_irq(unsigned int irq);
 static void mask_and_ack_systemh(unsigned int);
-static void end_systemh_irq(unsigned int irq);
 
-/* hw_interrupt_type */
-static struct hw_interrupt_type systemh_irq_type = {
-        .typename = " SystemH Register",
-        .startup = startup_systemh_irq,
-        .shutdown = shutdown_systemh_irq,
-        .enable = enable_systemh_irq,
-        .disable = disable_systemh_irq,
+static struct irq_chip systemh_irq_type = {
+        .name = " SystemH Register",
+        .unmask = enable_systemh_irq,
+        .mask = disable_systemh_irq,
         .ack = mask_and_ack_systemh,
-        .end = end_systemh_irq
 };
 
-static unsigned int startup_systemh_irq(unsigned int irq)
-{
-        enable_systemh_irq(irq);
-        return 0; /* never anything pending */
-}
-
-static void shutdown_systemh_irq(unsigned int irq)
-{
-        disable_systemh_irq(irq);
-}
-
 static void disable_systemh_irq(unsigned int irq)
 {
         if (systemh_irq_mask_register) {
@@ -86,16 +68,9 @@ static void mask_and_ack_systemh(unsigned int irq)
         disable_systemh_irq(irq);
 }
 
-static void end_systemh_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                enable_systemh_irq(irq);
-}
-
 void make_systemh_irq(unsigned int irq)
 {
         disable_irq_nosync(irq);
-        irq_desc[irq].chip = &systemh_irq_type;
+        set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq);
         disable_systemh_irq(irq);
 }
-