[PATCH 08/12] MIPS: EMMA2RH: Remove emma2rh_gpio_irq_base

[Shinya Kuribayashi <skuribay@xxxxxxxxxxxxxx>]

Let's use immediate value, instead.  This also saves memory footprint,
and probably a little bit faster.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@xxxxxxxxx>
---
arch/mips/emma/markeins/irq.c          |    4 ++--
arch/mips/emma/markeins/irq_markeins.c |   19 ++++++++-----------
2 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
index c0f9d46..3577fd5 100644
--- a/arch/mips/emma/markeins/irq.c
+++ b/arch/mips/emma/markeins/irq.c
@@ -54,7 +54,7 @@
 */

extern void emma2rh_sw_irq_init(void);
-extern void emma2rh_gpio_irq_init(u32 base);
+extern void emma2rh_gpio_irq_init(void);
extern void emma2rh_irq_init(void);
extern void emma2rh_irq_dispatch(void);

@@ -104,7 +104,7 @@ void __init arch_init_irq(void)
	/* init all controllers */
	emma2rh_irq_init();
	emma2rh_sw_irq_init();
-	emma2rh_gpio_irq_init(EMMA2RH_GPIO_IRQ_BASE);
+	emma2rh_gpio_irq_init();
	mips_cpu_irq_init();

	/* setup cascade interrupts */
diff --git a/arch/mips/emma/markeins/irq_markeins.c b/arch/mips/emma/markeins/irq_markeins.c
index 1883421..ea27ec5 100644
--- a/arch/mips/emma/markeins/irq_markeins.c
+++ b/arch/mips/emma/markeins/irq_markeins.c
@@ -30,8 +30,6 @@
#include <asm/debug.h>
#include <asm/emma/emma2rh.h>

-static int emma2rh_gpio_irq_base = -1;
-
void ll_emma2rh_sw_irq_enable(int reg);
void ll_emma2rh_sw_irq_disable(int reg);
void ll_emma2rh_gpio_irq_enable(int reg);
@@ -91,17 +89,17 @@ void ll_emma2rh_sw_irq_disable(int irq)

static void emma2rh_gpio_irq_enable(unsigned int irq)
{
-	ll_emma2rh_gpio_irq_enable(irq - emma2rh_gpio_irq_base);
+	ll_emma2rh_gpio_irq_enable(irq - EMMA2RH_GPIO_IRQ_BASE);
}

static void emma2rh_gpio_irq_disable(unsigned int irq)
{
-	ll_emma2rh_gpio_irq_disable(irq - emma2rh_gpio_irq_base);
+	ll_emma2rh_gpio_irq_disable(irq - EMMA2RH_GPIO_IRQ_BASE);
}

static void emma2rh_gpio_irq_ack(unsigned int irq)
{
-	irq -= emma2rh_gpio_irq_base;
+	irq -= EMMA2RH_GPIO_IRQ_BASE;
	emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq));
	ll_emma2rh_gpio_irq_disable(irq);
}
@@ -109,7 +107,7 @@ static void emma2rh_gpio_irq_ack(unsigned int irq)
static void emma2rh_gpio_irq_end(unsigned int irq)
{
	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		ll_emma2rh_gpio_irq_enable(irq - emma2rh_gpio_irq_base);
+		ll_emma2rh_gpio_irq_enable(irq - EMMA2RH_GPIO_IRQ_BASE);
}

struct irq_chip emma2rh_gpio_irq_controller = {
@@ -121,14 +119,13 @@ struct irq_chip emma2rh_gpio_irq_controller = {
	.end = emma2rh_gpio_irq_end,
};

-void emma2rh_gpio_irq_init(u32 irq_base)
+void emma2rh_gpio_irq_init(void)
{
	u32 i;

-	for (i = irq_base; i < irq_base + NUM_EMMA2RH_IRQ_GPIO; i++)
-		set_irq_chip(i, &emma2rh_gpio_irq_controller);
-
-	emma2rh_gpio_irq_base = irq_base;
+	for (i = 0; i < NUM_EMMA2RH_IRQ_GPIO; i++)
+		set_irq_chip(EMMA2RH_GPIO_IRQ_BASE + i,
+			     &emma2rh_gpio_irq_controller);
}

void ll_emma2rh_gpio_irq_enable(int irq)