On 10/28/2014 08:58 PM, Kevin Cernekee wrote:
> The cached value already incorporates irq_fwd_mask, and was saved the
> last time an IRQ was enabled/disabled.
>
> Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxx>
Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
> ---
> drivers/irqchip/irq-bcm7120-l2.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c
> index e9331f8..c76c9ad 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 = irq_reg_readl(b->base + IRQEN) | b->irq_fwd_mask;
> if (b->can_wake) {
> - reg = b->saved_mask | gc->wake_active;
> - irq_reg_writel(reg, b->base + IRQEN);
> + irq_reg_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);
> - irq_reg_writel(b->saved_mask, b->base + IRQEN);
> + irq_reg_writel(gc->mask_cache, b->base + IRQEN);
> irq_gc_unlock(gc);
> }
>
>
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