MIPS: BCM63XX: use a switch for external irq config

Makes the code a bit more readable and easier to add support for
new chips.

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4093/
Signed-off-by: John Crispin <blogic@openwrt.org>

1 files changed, 11 insertions, 3 deletions

diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
index d40169f83259..da24c2bd9b7c 100644
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -438,7 +438,8 @@ static int bcm63xx_external_irq_set_type(struct irq_data *d,
         reg = bcm_perf_readl(regaddr);
         irq %= 4;
 
-        if (BCMCPU_IS_6348()) {
+        switch (bcm63xx_get_cpu_id()) {
+        case BCM6348_CPU_ID:
                 if (levelsense)
                         reg |= EXTIRQ_CFG_LEVELSENSE_6348(irq);
                 else
@@ -451,9 +452,13 @@ static int bcm63xx_external_irq_set_type(struct irq_data *d,
                         reg |= EXTIRQ_CFG_BOTHEDGE_6348(irq);
                 else
                         reg &= ~EXTIRQ_CFG_BOTHEDGE_6348(irq);
-        }
+                break;
 
-        if (BCMCPU_IS_6338() || BCMCPU_IS_6358() || BCMCPU_IS_6368()) {
+        case BCM6328_CPU_ID:
+        case BCM6338_CPU_ID:
+        case BCM6345_CPU_ID:
+        case BCM6358_CPU_ID:
+        case BCM6368_CPU_ID:
                 if (levelsense)
                         reg |= EXTIRQ_CFG_LEVELSENSE(irq);
                 else
@@ -466,6 +471,9 @@ static int bcm63xx_external_irq_set_type(struct irq_data *d,
                         reg |= EXTIRQ_CFG_BOTHEDGE(irq);
                 else
                         reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
+                break;
+        default:
+                BUG();
         }
 
         bcm_perf_writel(reg, regaddr);