1 files changed, 8 insertions, 20 deletions

diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c
index e98c2875af9e..60b00d2c3d7a 100644
--- a/drivers/irqchip/irq-atmel-aic5.c
+++ b/drivers/irqchip/irq-atmel-aic5.c
@@ -92,11 +92,10 @@ static void aic5_mask(struct irq_data *d)
 	 * Disable interrupt on AIC5. We always take the lock of the
 	 * first irq chip as all chips share the same registers.
 	 */
-	irq_gc_lock(bgc);
+	guard(raw_spinlock)(&bgc->lock);
 	irq_reg_writel(gc, d->hwirq, AT91_AIC5_SSR);
 	irq_reg_writel(gc, 1, AT91_AIC5_IDCR);
 	gc->mask_cache &= ~d->mask;
-	irq_gc_unlock(bgc);
 }
 
 static void aic5_unmask(struct irq_data *d)
@@ -109,11 +108,10 @@ static void aic5_unmask(struct irq_data *d)
 	 * Enable interrupt on AIC5. We always take the lock of the
 	 * first irq chip as all chips share the same registers.
 	 */
-	irq_gc_lock(bgc);
+	guard(raw_spinlock)(&bgc->lock);
 	irq_reg_writel(gc, d->hwirq, AT91_AIC5_SSR);
 	irq_reg_writel(gc, 1, AT91_AIC5_IECR);
 	gc->mask_cache |= d->mask;
-	irq_gc_unlock(bgc);
 }
 
 static int aic5_retrigger(struct irq_data *d)
@@ -122,11 +120,9 @@ static int aic5_retrigger(struct irq_data *d)
 	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(domain, 0);
 
 	/* Enable interrupt on AIC5 */
-	irq_gc_lock(bgc);
+	guard(raw_spinlock)(&bgc->lock);
 	irq_reg_writel(bgc, d->hwirq, AT91_AIC5_SSR);
 	irq_reg_writel(bgc, 1, AT91_AIC5_ISCR);
-	irq_gc_unlock(bgc);
-
 	return 1;
 }
 
@@ -137,14 +133,12 @@ static int aic5_set_type(struct irq_data *d, unsigned type)
 	unsigned int smr;
 	int ret;
 
-	irq_gc_lock(bgc);
+	guard(raw_spinlock)(&bgc->lock);
 	irq_reg_writel(bgc, d->hwirq, AT91_AIC5_SSR);
 	smr = irq_reg_readl(bgc, AT91_AIC5_SMR);
 	ret = aic_common_set_type(d, type, &smr);
 	if (!ret)
 		irq_reg_writel(bgc, smr, AT91_AIC5_SMR);
-	irq_gc_unlock(bgc);
-
 	return ret;
 }
 
@@ -166,7 +160,7 @@ static void aic5_suspend(struct irq_data *d)
 			smr_cache[i] = irq_reg_readl(bgc, AT91_AIC5_SMR);
 		}
 
-	irq_gc_lock(bgc);
+	guard(raw_spinlock)(&bgc->lock);
 	for (i = 0; i < dgc->irqs_per_chip; i++) {
 		mask = 1 << i;
 		if ((mask & gc->mask_cache) == (mask & gc->wake_active))
@@ -178,7 +172,6 @@ static void aic5_suspend(struct irq_data *d)
 		else
 			irq_reg_writel(bgc, 1, AT91_AIC5_IDCR);
 	}
-	irq_gc_unlock(bgc);
 }
 
 static void aic5_resume(struct irq_data *d)
@@ -190,7 +183,7 @@ static void aic5_resume(struct irq_data *d)
 	int i;
 	u32 mask;
 
-	irq_gc_lock(bgc);
+	guard(raw_spinlock)(&bgc->lock);
 
 	if (smr_cache) {
 		irq_reg_writel(bgc, 0xffffffff, AT91_AIC5_SPU);
@@ -214,7 +207,6 @@ static void aic5_resume(struct irq_data *d)
 		else
 			irq_reg_writel(bgc, 1, AT91_AIC5_IDCR);
 	}
-	irq_gc_unlock(bgc);
 }
 
 static void aic5_pm_shutdown(struct irq_data *d)
@@ -225,13 +217,12 @@ static void aic5_pm_shutdown(struct irq_data *d)
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 	int i;
 
-	irq_gc_lock(bgc);
+	guard(raw_spinlock)(&bgc->lock);
 	for (i = 0; i < dgc->irqs_per_chip; i++) {
 		irq_reg_writel(bgc, i + gc->irq_base, AT91_AIC5_SSR);
 		irq_reg_writel(bgc, 1, AT91_AIC5_IDCR);
 		irq_reg_writel(bgc, 1, AT91_AIC5_ICCR);
 	}
-	irq_gc_unlock(bgc);
 }
 #else
 #define aic5_suspend		NULL
@@ -277,7 +268,6 @@ static int aic5_irq_domain_xlate(struct irq_domain *d,
 				 unsigned int *out_type)
 {
 	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(d, 0);
-	unsigned long flags;
 	unsigned smr;
 	int ret;
 
@@ -289,13 +279,11 @@ static int aic5_irq_domain_xlate(struct irq_domain *d,
 	if (ret)
 		return ret;
 
-	irq_gc_lock_irqsave(bgc, flags);
+	guard(raw_spinlock_irq)(&bgc->lock);
 	irq_reg_writel(bgc, *out_hwirq, AT91_AIC5_SSR);
 	smr = irq_reg_readl(bgc, AT91_AIC5_SMR);
 	aic_common_set_priority(intspec[2], &smr);
 	irq_reg_writel(bgc, smr, AT91_AIC5_SMR);
-	irq_gc_unlock_irqrestore(bgc, flags);
-
 	return ret;
 }