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[PATCH] genirq: cleanup: remove irq_descp()

Browse source 
Cleanup: remove irq_descp() - explicit use of irq_desc[] is shorter and more
readable.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-06-29 02:24:38 -07:00 committed by Linus Torvalds
parent a53da52fd7
commit a8553acd6c
9 changed files with 16 additions and 23 deletions
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6
arch/ia64/hp/sim/hpsim_irq.c
View file

@ -44,8 +44,8 @@ hpsim_irq_init (void)
int i;
for (i = 0; i < NR_IRQS; ++i) {
idesc = irq_descp(i);
if (idesc->handler == &no_irq_type)
idesc->handler = &irq_type_hp_sim;
idesc = irq_desc + i;
if (idesc->chip == &no_irq_type)
idesc->chip = &irq_type_hp_sim;
}
}

14
arch/ia64/kernel/iosapic.c
View file

@ -456,7 +456,7 @@ iosapic_startup_edge_irq (unsigned int irq)
static void
iosapic_ack_edge_irq (unsigned int irq)
{
irq_desc_t *idesc = irq_descp(irq);
irq_desc_t *idesc = irq_desc + irq;
move_native_irq(irq);
/*
@ -659,7 +659,7 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery,
else
irq_type = &irq_type_iosapic_level;
idesc = irq_descp(vector);
idesc = irq_desc + vector;
if (idesc->chip != irq_type) {
if (idesc->chip != &no_irq_type)
printk(KERN_WARNING
@ -793,14 +793,14 @@ again:
return -ENOSPC;
}
spin_lock_irqsave(&irq_descp(vector)->lock, flags);
spin_lock_irqsave(&irq_desc[vector].lock, flags);
spin_lock(&iosapic_lock);
{
if (gsi_to_vector(gsi) > 0) {
if (list_empty(&iosapic_intr_info[vector].rtes))
free_irq_vector(vector);
spin_unlock(&iosapic_lock);
spin_unlock_irqrestore(&irq_descp(vector)->lock,
spin_unlock_irqrestore(&irq_desc[vector].lock,
flags);
goto again;
}
@ -810,7 +810,7 @@ again:
polarity, trigger);
if (err < 0) {
spin_unlock(&iosapic_lock);
spin_unlock_irqrestore(&irq_descp(vector)->lock,
spin_unlock_irqrestore(&irq_desc[vector].lock,
flags);
return err;
}
@ -825,7 +825,7 @@ again:
set_rte(gsi, vector, dest, mask);
}
spin_unlock(&iosapic_lock);
spin_unlock_irqrestore(&irq_descp(vector)->lock, flags);
spin_unlock_irqrestore(&irq_desc[vector].lock, flags);
printk(KERN_INFO "GSI %u (%s, %s) -> CPU %d (0x%04x) vector %d\n",
gsi, (trigger == IOSAPIC_EDGE ? "edge" : "level"),
@ -860,7 +860,7 @@ iosapic_unregister_intr (unsigned int gsi)
}
vector = irq_to_vector(irq);
idesc = irq_descp(irq);
idesc = irq_desc + irq;
spin_lock_irqsave(&idesc->lock, flags);
spin_lock(&iosapic_lock);
{

2
arch/ia64/kernel/irq.c
View file

@ -120,7 +120,7 @@ static void migrate_irqs(void)
int irq, new_cpu;
for (irq=0; irq < NR_IRQS; irq++) {
desc = irq_descp(irq);
desc = irq_desc + irq;
/*
* No handling for now.

2
arch/ia64/kernel/irq_ia64.c
View file

@ -249,7 +249,7 @@ register_percpu_irq (ia64_vector vec, struct irqaction *action)
for (irq = 0; irq < NR_IRQS; ++irq)
if (irq_to_vector(irq) == vec) {
desc = irq_descp(irq);
desc = irq_desc + irq;
desc->status |= IRQ_PER_CPU;
desc->chip = &irq_type_ia64_lsapic;
if (action)

2
arch/ia64/kernel/mca.c
View file

@ -1788,7 +1788,7 @@ ia64_mca_late_init(void)
cpe_poll_enabled = 0;
for (irq = 0; irq < NR_IRQS; ++irq)
if (irq_to_vector(irq) == cpe_vector) {
desc = irq_descp(irq);
desc = irq_desc + irq;
desc->status |= IRQ_PER_CPU;
setup_irq(irq, &mca_cpe_irqaction);
ia64_cpe_irq = irq;

2
arch/ia64/kernel/smpboot.c
View file

@ -677,7 +677,7 @@ int migrate_platform_irqs(unsigned int cpu)
new_cpei_cpu = any_online_cpu(cpu_online_map);
mask = cpumask_of_cpu(new_cpei_cpu);
set_cpei_target_cpu(new_cpei_cpu);
desc = irq_descp(ia64_cpe_irq);
desc = irq_desc + ia64_cpe_irq;
/*
* Switch for now, immediatly, we need to do fake intr
* as other interrupts, but need to study CPEI behaviour with

2
arch/powerpc/kernel/crash.c
View file

@ -190,7 +190,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
local_irq_disable();
for_each_irq(irq) {
struct irq_desc *desc = irq_descp(irq);
struct irq_desc *desc = irq_desc + irq;
if (desc->status & IRQ_INPROGRESS)
desc->chip->end(irq);

7
include/linux/irq.h
View file

@ -87,13 +87,6 @@ typedef struct irq_desc {
extern irq_desc_t irq_desc [NR_IRQS];
/* Return a pointer to the irq descriptor for IRQ. */
static inline irq_desc_t *
irq_descp (int irq)
{
return irq_desc + irq;
}
#include <asm/hw_irq.h> /* the arch dependent stuff */
extern int setup_irq(unsigned int irq, struct irqaction * new);

2
kernel/irq/migration.c
View file

@ -15,7 +15,7 @@ void set_pending_irq(unsigned int irq, cpumask_t mask)
void move_native_irq(int irq)
{
cpumask_t tmp;
irq_desc_t *desc = irq_descp(irq);
irq_desc_t *desc = irq_desc + irq;
if (likely(!desc->move_irq))
return;