===================================================================
@@ -289,7 +289,7 @@ struct mpic
#ifdef CONFIG_MPIC_U3_HT_IRQS
/* The fixup table */
struct mpic_irq_fixup *fixups;
- spinlock_t fixup_lock;
+ raw_spinlock_t fixup_lock;
#endif
/* Register access method */
===================================================================
@@ -46,7 +46,7 @@
static struct mpic *mpics;
static struct mpic *mpic_primary;
-static DEFINE_SPINLOCK(mpic_lock);
+static DEFINE_RAW_SPINLOCK(mpic_lock);
#ifdef CONFIG_PPC32 /* XXX for now */
#ifdef CONFIG_IRQ_ALL_CPUS
@@ -347,10 +347,10 @@ static inline void mpic_ht_end_irq(struc
unsigned int mask = 1U << (fixup->index & 0x1f);
writel(mask, fixup->applebase + soff);
} else {
- spin_lock(&mpic->fixup_lock);
+ raw_spin_lock(&mpic->fixup_lock);
writeb(0x11 + 2 * fixup->index, fixup->base + 2);
writel(fixup->data, fixup->base + 4);
- spin_unlock(&mpic->fixup_lock);
+ raw_spin_unlock(&mpic->fixup_lock);
}
}
@@ -366,7 +366,7 @@ static void mpic_startup_ht_interrupt(st
DBG("startup_ht_interrupt(0x%x, 0x%x) index: %d\n",
source, irqflags, fixup->index);
- spin_lock_irqsave(&mpic->fixup_lock, flags);
+ raw_spin_lock_irqsave(&mpic->fixup_lock, flags);
/* Enable and configure */
writeb(0x10 + 2 * fixup->index, fixup->base + 2);
tmp = readl(fixup->base + 4);
@@ -374,7 +374,7 @@ static void mpic_startup_ht_interrupt(st
if (irqflags & IRQ_LEVEL)
tmp |= 0x22;
writel(tmp, fixup->base + 4);
- spin_unlock_irqrestore(&mpic->fixup_lock, flags);
+ raw_spin_unlock_irqrestore(&mpic->fixup_lock, flags);
#ifdef CONFIG_PM
/* use the lowest bit inverted to the actual HW,
@@ -396,12 +396,12 @@ static void mpic_shutdown_ht_interrupt(s
DBG("shutdown_ht_interrupt(0x%x, 0x%x)\n", source, irqflags);
/* Disable */
- spin_lock_irqsave(&mpic->fixup_lock, flags);
+ raw_spin_lock_irqsave(&mpic->fixup_lock, flags);
writeb(0x10 + 2 * fixup->index, fixup->base + 2);
tmp = readl(fixup->base + 4);
tmp |= 1;
writel(tmp, fixup->base + 4);
- spin_unlock_irqrestore(&mpic->fixup_lock, flags);
+ raw_spin_unlock_irqrestore(&mpic->fixup_lock, flags);
#ifdef CONFIG_PM
/* use the lowest bit inverted to the actual HW,
@@ -515,7 +515,7 @@ static void __init mpic_scan_ht_pics(str
BUG_ON(mpic->fixups == NULL);
/* Init spinlock */
- spin_lock_init(&mpic->fixup_lock);
+ raw_spin_lock_init(&mpic->fixup_lock);
/* Map U3 config space. We assume all IO-APICs are on the primary bus
* so we only need to map 64kB.
@@ -573,12 +573,12 @@ static int irq_choose_cpu(const cpumask_
if (cpumask_equal(mask, cpu_all_mask)) {
static int irq_rover;
- static DEFINE_SPINLOCK(irq_rover_lock);
+ static DEFINE_RAW_SPINLOCK(irq_rover_lock);
unsigned long flags;
/* Round-robin distribution... */
do_round_robin:
- spin_lock_irqsave(&irq_rover_lock, flags);
+ raw_spin_lock_irqsave(&irq_rover_lock, flags);
while (!cpu_online(irq_rover)) {
if (++irq_rover >= NR_CPUS)
@@ -590,7 +590,7 @@ static int irq_choose_cpu(const cpumask_
irq_rover = 0;
} while (!cpu_online(irq_rover));
- spin_unlock_irqrestore(&irq_rover_lock, flags);
+ raw_spin_unlock_irqrestore(&irq_rover_lock, flags);
} else {
cpuid = cpumask_first_and(mask, cpu_online_mask);
if (cpuid >= nr_cpu_ids)
@@ -1368,14 +1368,14 @@ void __init mpic_set_serial_int(struct m
unsigned long flags;
u32 v;
- spin_lock_irqsave(&mpic_lock, flags);
+ raw_spin_lock_irqsave(&mpic_lock, flags);
v = mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_1);
if (enable)
v |= MPIC_GREG_GLOBAL_CONF_1_SIE;
else
v &= ~MPIC_GREG_GLOBAL_CONF_1_SIE;
mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_1, v);
- spin_unlock_irqrestore(&mpic_lock, flags);
+ raw_spin_unlock_irqrestore(&mpic_lock, flags);
}
void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
@@ -1388,7 +1388,7 @@ void mpic_irq_set_priority(unsigned int
if (!mpic)
return;
- spin_lock_irqsave(&mpic_lock, flags);
+ raw_spin_lock_irqsave(&mpic_lock, flags);
if (mpic_is_ipi(mpic, irq)) {
reg = mpic_ipi_read(src - mpic->ipi_vecs[0]) &
~MPIC_VECPRI_PRIORITY_MASK;
@@ -1400,7 +1400,7 @@ void mpic_irq_set_priority(unsigned int
mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
}
- spin_unlock_irqrestore(&mpic_lock, flags);
+ raw_spin_unlock_irqrestore(&mpic_lock, flags);
}
void mpic_setup_this_cpu(void)
@@ -1415,7 +1415,7 @@ void mpic_setup_this_cpu(void)
DBG("%s: setup_this_cpu(%d)\n", mpic->name, hard_smp_processor_id());
- spin_lock_irqsave(&mpic_lock, flags);
+ raw_spin_lock_irqsave(&mpic_lock, flags);
/* let the mpic know we want intrs. default affinity is 0xffffffff
* until changed via /proc. That's how it's done on x86. If we want
@@ -1431,7 +1431,7 @@ void mpic_setup_this_cpu(void)
/* Set current processor priority to 0 */
mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);
- spin_unlock_irqrestore(&mpic_lock, flags);
+ raw_spin_unlock_irqrestore(&mpic_lock, flags);
#endif /* CONFIG_SMP */
}
@@ -1460,7 +1460,7 @@ void mpic_teardown_this_cpu(int secondar
BUG_ON(mpic == NULL);
DBG("%s: teardown_this_cpu(%d)\n", mpic->name, hard_smp_processor_id());
- spin_lock_irqsave(&mpic_lock, flags);
+ raw_spin_lock_irqsave(&mpic_lock, flags);
/* let the mpic know we don't want intrs. */
for (i = 0; i < mpic->num_sources ; i++)
@@ -1474,7 +1474,7 @@ void mpic_teardown_this_cpu(int secondar
*/
mpic_eoi(mpic);
- spin_unlock_irqrestore(&mpic_lock, flags);
+ raw_spin_unlock_irqrestore(&mpic_lock, flags);
}
mpic_lock, irq_rover_lock and fixup_lock need to be real spinlocks in RT. Convert them to raw_spinlock. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- arch/powerpc/include/asm/mpic.h | 2 +- arch/powerpc/sysdev/mpic.c | 38 +++++++++++++++++++------------------- 2 files changed, 20 insertions(+), 20 deletions(-)