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irqchip/atmel-aic: Change return type of aic_common_set_priority()

Browse source 
Priority validation is not necessary because aic_common_irq_domain_xlate()
already handles it. With this removal, return type can be changed to void.

Signed-off-by: Milo Kim <[email protected]>
Acked-by: Boris Brezillon <[email protected]>
Cc: Jason Cooper <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Ludovic Desroches <[email protected]>
Cc: Nicholas Ferre <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Milo Kim 2016-01-13 16:19:51 +09:00 • committed by Thomas Gleixner
commit 5fd26a0bb1
4 changed files with 6 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/irqchip/irq-atmel-aic-common.c
View file

@ -80,16 +80,10 @@ int aic_common_set_type(struct irq_data *d, unsigned type, unsigned *val)
return 0;
}
int aic_common_set_priority(int priority, unsigned *val)
void aic_common_set_priority(int priority, unsigned *val)
{
if (priority < AT91_AIC_IRQ_MIN_PRIORITY ||
priority > AT91_AIC_IRQ_MAX_PRIORITY)
return -EINVAL;
*val &= ~AT91_AIC_PRIOR;
*val |= priority;
return 0;
}
int aic_common_irq_domain_xlate(struct irq_domain *d,

2
drivers/irqchip/irq-atmel-aic-common.h
View file

@ -19,7 +19,7 @@
int aic_common_set_type(struct irq_data *d, unsigned type, unsigned *val);
int aic_common_set_priority(int priority, unsigned *val);
void aic_common_set_priority(int priority, unsigned *val);
int aic_common_irq_domain_xlate(struct irq_domain *d,
struct device_node *ctrlr,

5
drivers/irqchip/irq-atmel-aic.c
View file

@ -196,9 +196,8 @@ static int aic_irq_domain_xlate(struct irq_domain *d,
irq_gc_lock(gc);
smr = irq_reg_readl(gc, AT91_AIC_SMR(*out_hwirq));
ret = aic_common_set_priority(intspec[2], &smr);
if (!ret)
irq_reg_writel(gc, smr, AT91_AIC_SMR(*out_hwirq));
aic_common_set_priority(intspec[2], &smr);
irq_reg_writel(gc, smr, AT91_AIC_SMR(*out_hwirq));
irq_gc_unlock(gc);
return ret;

5
drivers/irqchip/irq-atmel-aic5.c
View file

@ -272,9 +272,8 @@ static int aic5_irq_domain_xlate(struct irq_domain *d,
irq_gc_lock(bgc);
irq_reg_writel(bgc, *out_hwirq, AT91_AIC5_SSR);
smr = irq_reg_readl(bgc, AT91_AIC5_SMR);
ret = aic_common_set_priority(intspec[2], &smr);
if (!ret)
irq_reg_writel(bgc, intspec[2] | smr, AT91_AIC5_SMR);
aic_common_set_priority(intspec[2], &smr);
irq_reg_writel(bgc, intspec[2] | smr, AT91_AIC5_SMR);
irq_gc_unlock(bgc);
return ret;