commit 239007b8440abff689632f50cdf0f2b9e895b534
author Thomas Gleixner <tglx@linutronix.de> Tue Nov 17 16:46:45 2009 +0100
committer Thomas Gleixner <tglx@linutronix.de> Mon Dec 14 23:55:33 2009 +0100
tree 569cab843af4a999d6d868ec9a824530d2bfa733
parent 9f5a5621e78cf48d86682a71ceb3fcdbde38b222

genirq: Convert irq_desc.lock to raw_spinlock

Convert locks which cannot be sleeping locks in preempt-rt to
raw_spinlocks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>

arch/mips/vr41xx/common/icu.c

diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c
index 6d39e22..6153b6a 100644
--- a/arch/mips/vr41xx/common/icu.c
+++ b/arch/mips/vr41xx/common/icu.c
@@ -159,9 +159,9 @@
 
 	if (current_cpu_type() == CPU_VR4111 ||
 	    current_cpu_type() == CPU_VR4121) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu1_set(MPIUINTREG, mask);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -174,9 +174,9 @@
 
 	if (current_cpu_type() == CPU_VR4111 ||
 	    current_cpu_type() == CPU_VR4121) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu1_clear(MPIUINTREG, mask);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -189,9 +189,9 @@
 
 	if (current_cpu_type() == CPU_VR4111 ||
 	    current_cpu_type() == CPU_VR4121) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu1_set(MAIUINTREG, mask);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -204,9 +204,9 @@
 
 	if (current_cpu_type() == CPU_VR4111 ||
 	    current_cpu_type() == CPU_VR4121) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu1_clear(MAIUINTREG, mask);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -219,9 +219,9 @@
 
 	if (current_cpu_type() == CPU_VR4111 ||
 	    current_cpu_type() == CPU_VR4121) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu1_set(MKIUINTREG, mask);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -234,9 +234,9 @@
 
 	if (current_cpu_type() == CPU_VR4111 ||
 	    current_cpu_type() == CPU_VR4121) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu1_clear(MKIUINTREG, mask);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -247,9 +247,9 @@
 	struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
 	unsigned long flags;
 
-	spin_lock_irqsave(&desc->lock, flags);
+	raw_spin_lock_irqsave(&desc->lock, flags);
 	icu1_set(MMACINTREG, mask);
-	spin_unlock_irqrestore(&desc->lock, flags);
+	raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 EXPORT_SYMBOL(vr41xx_enable_macint);
@@ -259,9 +259,9 @@
 	struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
 	unsigned long flags;
 
-	spin_lock_irqsave(&desc->lock, flags);
+	raw_spin_lock_irqsave(&desc->lock, flags);
 	icu1_clear(MMACINTREG, mask);
-	spin_unlock_irqrestore(&desc->lock, flags);
+	raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 EXPORT_SYMBOL(vr41xx_disable_macint);
@@ -271,9 +271,9 @@
 	struct irq_desc *desc = irq_desc + DSIU_IRQ;
 	unsigned long flags;
 
-	spin_lock_irqsave(&desc->lock, flags);
+	raw_spin_lock_irqsave(&desc->lock, flags);
 	icu1_set(MDSIUINTREG, mask);
-	spin_unlock_irqrestore(&desc->lock, flags);
+	raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 EXPORT_SYMBOL(vr41xx_enable_dsiuint);
@@ -283,9 +283,9 @@
 	struct irq_desc *desc = irq_desc + DSIU_IRQ;
 	unsigned long flags;
 
-	spin_lock_irqsave(&desc->lock, flags);
+	raw_spin_lock_irqsave(&desc->lock, flags);
 	icu1_clear(MDSIUINTREG, mask);
-	spin_unlock_irqrestore(&desc->lock, flags);
+	raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 EXPORT_SYMBOL(vr41xx_disable_dsiuint);
@@ -295,9 +295,9 @@
 	struct irq_desc *desc = irq_desc + FIR_IRQ;
 	unsigned long flags;
 
-	spin_lock_irqsave(&desc->lock, flags);
+	raw_spin_lock_irqsave(&desc->lock, flags);
 	icu2_set(MFIRINTREG, mask);
-	spin_unlock_irqrestore(&desc->lock, flags);
+	raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 EXPORT_SYMBOL(vr41xx_enable_firint);
@@ -307,9 +307,9 @@
 	struct irq_desc *desc = irq_desc + FIR_IRQ;
 	unsigned long flags;
 
-	spin_lock_irqsave(&desc->lock, flags);
+	raw_spin_lock_irqsave(&desc->lock, flags);
 	icu2_clear(MFIRINTREG, mask);
-	spin_unlock_irqrestore(&desc->lock, flags);
+	raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 EXPORT_SYMBOL(vr41xx_disable_firint);
@@ -322,9 +322,9 @@
 	if (current_cpu_type() == CPU_VR4122 ||
 	    current_cpu_type() == CPU_VR4131 ||
 	    current_cpu_type() == CPU_VR4133) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MPCIINTREG, PCIINT0);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -338,9 +338,9 @@
 	if (current_cpu_type() == CPU_VR4122 ||
 	    current_cpu_type() == CPU_VR4131 ||
 	    current_cpu_type() == CPU_VR4133) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MPCIINTREG, 0);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -354,9 +354,9 @@
 	if (current_cpu_type() == CPU_VR4122 ||
 	    current_cpu_type() == CPU_VR4131 ||
 	    current_cpu_type() == CPU_VR4133) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MSCUINTREG, SCUINT0);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -370,9 +370,9 @@
 	if (current_cpu_type() == CPU_VR4122 ||
 	    current_cpu_type() == CPU_VR4131 ||
 	    current_cpu_type() == CPU_VR4133) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MSCUINTREG, 0);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -386,9 +386,9 @@
 	if (current_cpu_type() == CPU_VR4122 ||
 	    current_cpu_type() == CPU_VR4131 ||
 	    current_cpu_type() == CPU_VR4133) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu2_set(MCSIINTREG, mask);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -402,9 +402,9 @@
 	if (current_cpu_type() == CPU_VR4122 ||
 	    current_cpu_type() == CPU_VR4131 ||
 	    current_cpu_type() == CPU_VR4133) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu2_clear(MCSIINTREG, mask);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -418,9 +418,9 @@
 	if (current_cpu_type() == CPU_VR4122 ||
 	    current_cpu_type() == CPU_VR4131 ||
 	    current_cpu_type() == CPU_VR4133) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MBCUINTREG, BCUINTR);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -434,9 +434,9 @@
 	if (current_cpu_type() == CPU_VR4122 ||
 	    current_cpu_type() == CPU_VR4131 ||
 	    current_cpu_type() == CPU_VR4133) {
-		spin_lock_irqsave(&desc->lock, flags);
+		raw_spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MBCUINTREG, 0);
-		spin_unlock_irqrestore(&desc->lock, flags);
+		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
 }
 
@@ -486,7 +486,7 @@
 
 	pin = SYSINT1_IRQ_TO_PIN(irq);
 
-	spin_lock_irq(&desc->lock);
+	raw_spin_lock_irq(&desc->lock);
 
 	intassign0 = icu1_read(INTASSIGN0);
 	intassign1 = icu1_read(INTASSIGN1);
@@ -525,7 +525,7 @@
 		intassign1 |= (uint16_t)assign << 9;
 		break;
 	default:
-		spin_unlock_irq(&desc->lock);
+		raw_spin_unlock_irq(&desc->lock);
 		return -EINVAL;
 	}
 
@@ -533,7 +533,7 @@
 	icu1_write(INTASSIGN0, intassign0);
 	icu1_write(INTASSIGN1, intassign1);
 
-	spin_unlock_irq(&desc->lock);
+	raw_spin_unlock_irq(&desc->lock);
 
 	return 0;
 }
@@ -546,7 +546,7 @@
 
 	pin = SYSINT2_IRQ_TO_PIN(irq);
 
-	spin_lock_irq(&desc->lock);
+	raw_spin_lock_irq(&desc->lock);
 
 	intassign2 = icu1_read(INTASSIGN2);
 	intassign3 = icu1_read(INTASSIGN3);
@@ -593,7 +593,7 @@
 		intassign3 |= (uint16_t)assign << 12;
 		break;
 	default:
-		spin_unlock_irq(&desc->lock);
+		raw_spin_unlock_irq(&desc->lock);
 		return -EINVAL;
 	}
 
@@ -601,7 +601,7 @@
 	icu1_write(INTASSIGN2, intassign2);
 	icu1_write(INTASSIGN3, intassign3);
 
-	spin_unlock_irq(&desc->lock);
+	raw_spin_unlock_irq(&desc->lock);
 
 	return 0;
 }