sh: Convert SystemH board support from hw_interrupt_type to irq_chip
authorMatt Fleming <mjf@gentoo.org>
Sun, 14 Dec 2008 12:02:25 +0000 (12:02 +0000)
committerPaul Mundt <lethal@linux-sh.org>
Mon, 22 Dec 2008 09:44:05 +0000 (18:44 +0900)
... 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>
arch/sh/boards/mach-systemh/irq.c

index 538406872a8923dce7aa0b4d98d8888aba9ee168..986a0e71d22004b7e56b89427a25f80aba00a362 100644 (file)
@@ -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);
 }
-