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authorThomas Gleixner <tglx@linutronix.de>2011-03-24 19:57:12 +0300
committerThomas Gleixner <tglx@linutronix.de>2011-03-29 16:48:14 +0400
commit16741ea0411ff8adb9b84934433638fa432c5292 (patch)
treea137882dae34c2b2aea84088fec127ff1442ae6e /arch/sparc
parentfcd8d4f498698265fc0fba1dd376303caea71de4 (diff)
downloadlinux-16741ea0411ff8adb9b84934433638fa432c5292.tar.xz
sparc: Cleanup direct irq_desc access
Use the proper wrapper functions. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: sparclinux@vger.kernel.org
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/irq_64.c22
-rw-r--r--arch/sparc/kernel/pci_msi.c5
2 files changed, 10 insertions, 17 deletions
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 3c8b2666c325..0914438418a2 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -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;
}
diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c
index 550e937720e7..da4f4f4ebc33 100644
--- a/arch/sparc/kernel/pci_msi.c
+++ b/arch/sparc/kernel/pci_msi.c
@@ -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))