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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-28 12:06:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-28 12:06:51 -0700
commit3c3762957818dc902222733a8184f23102e24472 (patch)
tree97a17d0923d87108715af32f83a526d24e65fb80 /arch/sh/kernel/irq.c
parente9f29c9a56ca06d0effa557823a737cbe7ec09f7 (diff)
parent63111a3a70fb4d80e3b54ed75f13795e98f7a467 (diff)
downloadtalos-op-linux-3c3762957818dc902222733a8184f23102e24472.tar.gz
talos-op-linux-3c3762957818dc902222733a8184f23102e24472.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (32 commits) sh: intc: switch irq_desc iteration to new active IRQ iterator. sh: fix up cpu hotplug IRQ migration for irq_data changes. sh: oprofile: Make sure the backtrace op is available for timer-fallback. sh64: oprofile: Fix up kernel stack pointer size mismatch. sh: oprofile: Fix up and extend op_name_from_perf_id(). sh: lockless get_user_pages_fast() sh64: _PAGE_SPECIAL support. sound: sh: ctrl_in/outX to __raw_read/writeX conversion. sh: disable deprecated genirq support. sh: update show_interrupts() for irq_data chip lookup. sh: intc: irq_data conversion. sh64: irq_data conversion. sh64: update for IRQ flag handling naming changes. rtc: rtc-rs5c313: ctrl_in/outX to __raw_read/writeX conversion. sh: mach-se: irq_data conversion. input: hp680_ts_input: ctrl_in/outX to __raw_read/writeX conversion. input: jornada680_kbd: ctrl_in/outX to __raw_read/writeX conversion. sh: hd64461: irq_data conversion. sh: mach-x3proto: irq_data conversion. sh: mach-systemh: irq_data conversion. ...
Diffstat (limited to 'arch/sh/kernel/irq.c')
-rw-r--r--arch/sh/kernel/irq.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 9dc447db8a44..68ecbe6c881a 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -56,6 +56,8 @@ int show_interrupts(struct seq_file *p, void *v)
int i = *(loff_t *)v, j, prec;
struct irqaction *action;
struct irq_desc *desc;
+ struct irq_data *data;
+ struct irq_chip *chip;
if (i > nr_irqs)
return 0;
@@ -77,6 +79,9 @@ int show_interrupts(struct seq_file *p, void *v)
if (!desc)
return 0;
+ data = irq_get_irq_data(i);
+ chip = irq_data_get_irq_chip(data);
+
raw_spin_lock_irqsave(&desc->lock, flags);
for_each_online_cpu(j)
any_count |= kstat_irqs_cpu(i, j);
@@ -87,7 +92,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, "%*d: ", prec, i);
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
- seq_printf(p, " %14s", desc->chip->name);
+ seq_printf(p, " %14s", chip->name);
seq_printf(p, "-%-8s", desc->name);
if (action) {
@@ -273,12 +278,6 @@ void __init init_IRQ(void)
{
plat_irq_setup();
- /*
- * Pin any of the legacy IRQ vectors that haven't already been
- * grabbed by the platform
- */
- reserve_irq_legacy();
-
/* Perform the machine specific initialisation */
if (sh_mv.mv_init_irq)
sh_mv.mv_init_irq();
@@ -297,13 +296,16 @@ int __init arch_probe_nr_irqs(void)
#endif
#ifdef CONFIG_HOTPLUG_CPU
-static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
+static void route_irq(struct irq_data *data, unsigned int irq, unsigned int cpu)
{
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct irq_chip *chip = irq_data_get_irq_chip(data);
+
printk(KERN_INFO "IRQ%u: moving from cpu%u to cpu%u\n",
- irq, desc->node, cpu);
+ irq, data->node, cpu);
raw_spin_lock_irq(&desc->lock);
- desc->chip->set_affinity(irq, cpumask_of(cpu));
+ chip->irq_set_affinity(data, cpumask_of(cpu), false);
raw_spin_unlock_irq(&desc->lock);
}
@@ -314,24 +316,25 @@ static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
*/
void migrate_irqs(void)
{
- struct irq_desc *desc;
unsigned int irq, cpu = smp_processor_id();
- for_each_irq_desc(irq, desc) {
- if (desc->node == cpu) {
- unsigned int newcpu = cpumask_any_and(desc->affinity,
+ for_each_active_irq(irq) {
+ struct irq_data *data = irq_get_irq_data(irq);
+
+ if (data->node == cpu) {
+ unsigned int newcpu = cpumask_any_and(data->affinity,
cpu_online_mask);
if (newcpu >= nr_cpu_ids) {
if (printk_ratelimit())
printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n",
irq, cpu);
- cpumask_setall(desc->affinity);
- newcpu = cpumask_any_and(desc->affinity,
+ cpumask_setall(data->affinity);
+ newcpu = cpumask_any_and(data->affinity,
cpu_online_mask);
}
- route_irq(desc, irq, newcpu);
+ route_irq(data, irq, newcpu);
}
}
}
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