From: Roger Quadros Date: Thu, 23 Apr 2009 18:10:50 +0000 (-0700) Subject: ARM: OMAP3: Clean up spurious interrupt check logic X-Git-Tag: firefly_0821_release~14259^2~7^2~1 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=846c29f109fc27bd93817271689a752afc9168f8;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Tony Lindgren --- diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index 9ba20d985dda..998c5c45587e 100644 --- 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);