From: Kevin Cernekee Date: Fri, 7 Nov 2014 06:44:25 +0000 (-0800) Subject: irqchip: bcm7120-l2: Use gc->mask_cache to simplify suspend/resume functions X-Git-Tag: v3.19-rc1~156^2~10 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=05b8ce8260b069b0d59516711e2795758f203556;p=platform%2Fkernel%2Flinux-exynos.git irqchip: bcm7120-l2: Use gc->mask_cache to simplify suspend/resume functions The cached value already incorporates irq_fwd_mask, and was saved the last time an IRQ was enabled/disabled. Signed-off-by: Kevin Cernekee Acked-by: Florian Fainelli Acked-by: Arnd Bergmann Link: https://lkml.kernel.org/r/1415342669-30640-11-git-send-email-cernekee@gmail.com Signed-off-by: Jason Cooper --- diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c index b70679f8..9841121 100644 --- a/drivers/irqchip/irq-bcm7120-l2.c +++ b/drivers/irqchip/irq-bcm7120-l2.c @@ -37,7 +37,6 @@ struct bcm7120_l2_intc_data { bool can_wake; u32 irq_fwd_mask; u32 irq_map_mask; - u32 saved_mask; }; static void bcm7120_l2_intc_irq_handle(unsigned int irq, struct irq_desc *desc) @@ -62,14 +61,11 @@ static void bcm7120_l2_intc_suspend(struct irq_data *d) { struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct bcm7120_l2_intc_data *b = gc->private; - u32 reg; irq_gc_lock(gc); - /* Save the current mask and the interrupt forward mask */ - b->saved_mask = __raw_readl(b->base + IRQEN) | b->irq_fwd_mask; if (b->can_wake) { - reg = b->saved_mask | gc->wake_active; - __raw_writel(reg, b->base + IRQEN); + __raw_writel(gc->mask_cache | gc->wake_active, + b->base + IRQEN); } irq_gc_unlock(gc); } @@ -77,11 +73,10 @@ static void bcm7120_l2_intc_suspend(struct irq_data *d) static void bcm7120_l2_intc_resume(struct irq_data *d) { struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); - struct bcm7120_l2_intc_data *b = gc->private; /* Restore the saved mask */ irq_gc_lock(gc); - __raw_writel(b->saved_mask, b->base + IRQEN); + __raw_writel(gc->mask_cache, b->base + IRQEN); irq_gc_unlock(gc); }