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sparc: Cleanup direct irq_desc access 

Use the proper wrapper functions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: sparclinux@vger.kernel.org
This commit is contained in:
Thomas Gleixner 2011-03-24 17:57:12 +01:00
parent fcd8d4f498
commit 16741ea041
2 changed files with 10 additions and 17 deletions
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22
arch/sparc/kernel/irq_64.c
View File

@ -627,7 +627,6 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
struct irq_handler_data *handler_data;
unsigned long hv_err, cookie;
struct ino_bucket *bucket;
struct irq_desc *desc;
unsigned int irq;
bucket = kzalloc(sizeof(struct ino_bucket), GFP_ATOMIC);
@ -660,9 +659,7 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
* especially wrt. locking, we do not let request_irq() enable
* the interrupt.
*/
desc = irq_desc + irq;
desc->status |= IRQ_NOAUTOEN;
irq_set_status_flags(irq, IRQ_NOAUTOEN);
set_irq_data(irq, handler_data);
/* Catch accidental accesses to these things. IMAP/ICLR handling
@ -772,19 +769,18 @@ void fixup_irqs(void)
unsigned int irq;
for (irq = 0; irq < NR_IRQS; irq++) {
struct irq_desc *desc = irq_to_desc(irq);
struct irq_data *data = irq_desc_get_irq_data(desc);
unsigned long flags;
raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
if (irq_desc[irq].action &&
!(irq_desc[irq].status & IRQ_PER_CPU)) {
struct irq_data *data = irq_get_irq_data(irq);
raw_spin_lock_irqsave(&desc->lock, flags);
if (desc->action && !irqd_is_per_cpu(data)) {
if (data->chip->irq_set_affinity)
data->chip->irq_set_affinity(data,
data->affinity,
false);
data->affinity,
false);
}
raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
tick_ops->disable_irq();
@ -1022,5 +1018,5 @@ void __init init_IRQ(void)
: "i" (PSTATE_IE)
: "g1");
irq_desc[0].action = &timer_irq_action;
irq_to_desc(0)->action = &timer_irq_action;
}

5
arch/sparc/kernel/pci_msi.c
View File

@ -30,13 +30,10 @@ static irqreturn_t sparc64_msiq_interrupt(int irq, void *cookie)
err = ops->dequeue_msi(pbm, msiqid, &head, &msi);
if (likely(err > 0)) {
struct irq_desc *desc;
unsigned int irq;
irq = pbm->msi_irq_table[msi - pbm->msi_first];
desc = irq_desc + irq;
desc->handle_irq(irq, desc);
generic_handle_irq(irq);
}
if (unlikely(err < 0))