h8300: Convert interrupt handling to flow handler

__do_IRQ is deprecated so h8300 needs to be converted to proper flow
handling. The irq chip is simple and does not required any
mask/ack/eoi functions, so we can use handle_simple_irq.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Paul Mundt <lethal@linux-sh.org>

1 files changed, 3 insertions, 12 deletions

diff --git a/arch/h8300/kernel/irq.c b/arch/h8300/kernel/irq.c
index e23f34647889..0c56735a2ff9 100644
--- a/arch/h8300/kernel/irq.c
+++ b/arch/h8300/kernel/irq.c
@@ -50,10 +50,6 @@ static void h8300_disable_irq(struct irq_data *data)
                 IER_REGS &= ~(1 << (data->irq - EXT_IRQ0));
 }
 
-static void h8300_end_irq(unsigned int irq)
-{
-}
-
 static unsigned int h8300_startup_irq(struct irq_data *data)
 {
         if (is_ext_irq(data->irq))
@@ -77,7 +73,6 @@ struct irq_chip h8300irq_chip = {
         .irq_shutdown   = h8300_shutdown_irq,
         .irq_enable     = h8300_enable_irq,
         .irq_disable    = h8300_disable_irq,
-        .end            = h8300_end_irq,
 };
 
 #if defined(CONFIG_RAMKERNEL)
@@ -159,18 +154,14 @@ void __init init_IRQ(void)
 
         setup_vector();
 
-        for (c = 0; c < NR_IRQS; c++) {
-                irq_desc[c].status = IRQ_DISABLED;
-                irq_desc[c].action = NULL;
-                irq_desc[c].depth = 1;
-                irq_desc[c].chip = &h8300irq_chip;
-        }
+        for (c = 0; c < NR_IRQS; c++)
+                set_irq_chip_and_handler(c, &h8300irq_chip, handle_simple_irq);
 }
 
 asmlinkage void do_IRQ(int irq)
 {
         irq_enter();
-        __do_IRQ(irq);
+        generic_handle_irq(irq);
         irq_exit();
 }