powerpc: Convert ipic_lock to raw_spinlock

ipic_lock needs to be a real spinlock in RT. Convert it to
raw_spinlock.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index 1648671..d7b9b9c 100644 (file)
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -32,7 +32,7 @@
 
 static struct ipic * primary_ipic;
 static struct irq_chip ipic_level_irq_chip, ipic_edge_irq_chip;
-static DEFINE_SPINLOCK(ipic_lock);
+static DEFINE_RAW_SPINLOCK(ipic_lock);
 
 static struct ipic_info ipic_info[] = {
        [1] = {
@@ -530,13 +530,13 @@ static void ipic_unmask_irq(unsigned int virq)
        unsigned long flags;
        u32 temp;
 
-       spin_lock_irqsave(&ipic_lock, flags);
+       raw_spin_lock_irqsave(&ipic_lock, flags);
 
        temp = ipic_read(ipic->regs, ipic_info[src].mask);
        temp |= (1 << (31 - ipic_info[src].bit));
        ipic_write(ipic->regs, ipic_info[src].mask, temp);
 
-       spin_unlock_irqrestore(&ipic_lock, flags);
+       raw_spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
 static void ipic_mask_irq(unsigned int virq)
@@ -546,7 +546,7 @@ static void ipic_mask_irq(unsigned int virq)
        unsigned long flags;
        u32 temp;
 
-       spin_lock_irqsave(&ipic_lock, flags);
+       raw_spin_lock_irqsave(&ipic_lock, flags);
 
        temp = ipic_read(ipic->regs, ipic_info[src].mask);
        temp &= ~(1 << (31 - ipic_info[src].bit));
@@ -556,7 +556,7 @@ static void ipic_mask_irq(unsigned int virq)
         * for nearly all cases. */
        mb();
 
-       spin_unlock_irqrestore(&ipic_lock, flags);
+       raw_spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
 static void ipic_ack_irq(unsigned int virq)
@@ -566,7 +566,7 @@ static void ipic_ack_irq(unsigned int virq)
        unsigned long flags;
        u32 temp;
 
-       spin_lock_irqsave(&ipic_lock, flags);
+       raw_spin_lock_irqsave(&ipic_lock, flags);
 
        temp = 1 << (31 - ipic_info[src].bit);
        ipic_write(ipic->regs, ipic_info[src].ack, temp);
@@ -575,7 +575,7 @@ static void ipic_ack_irq(unsigned int virq)
         * for nearly all cases. */
        mb();
 
-       spin_unlock_irqrestore(&ipic_lock, flags);
+       raw_spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
 static void ipic_mask_irq_and_ack(unsigned int virq)
@@ -585,7 +585,7 @@ static void ipic_mask_irq_and_ack(unsigned int virq)
        unsigned long flags;
        u32 temp;
 
-       spin_lock_irqsave(&ipic_lock, flags);
+       raw_spin_lock_irqsave(&ipic_lock, flags);
 
        temp = ipic_read(ipic->regs, ipic_info[src].mask);
        temp &= ~(1 << (31 - ipic_info[src].bit));
@@ -598,7 +598,7 @@ static void ipic_mask_irq_and_ack(unsigned int virq)
         * for nearly all cases. */
        mb();
 
-       spin_unlock_irqrestore(&ipic_lock, flags);
+       raw_spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
 static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type)