ARM: OMAP3: Clean up spurious interrupt check logic

SPURIOUSIRQ is contained in bits 31:7 of INTC_SIR, so
INTC_SIR must be right shifted by 7, not 6.

No change in logic, only changes for better readability.
Refer to register definition of INTCPS_SIR_IRQ in OMAP3 Manual.

Signed-off-by: Roger Quadros <ext-roger.quadros@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 9ba20d985dda252f5a38bb54f478d543454e4599..998c5c45587ea31ac1c527aaff399c717907c3a4 100644 (file)
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -73,9 +73,9 @@ static int omap_check_spurious(unsigned int irq)
        u32 sir, spurious;
 
        sir = intc_bank_read_reg(&irq_banks[0], INTC_SIR);
-       spurious = sir >> 6;
+       spurious = sir >> 7;
 
-       if (spurious > 1) {
+       if (spurious) {
                printk(KERN_WARNING "Spurious irq %i: 0x%08x, please flush "
                                        "posted write for irq %i\n",
                                        irq, sir, previous_irq);