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
--- 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 @@
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 @@
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 @@
* 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 @@
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 @@
* 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 @@
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 @@
* 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)