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authorGrant Likely <grant.likely@secretlab.ca>2012-02-14 14:06:51 -0700
committerGrant Likely <grant.likely@secretlab.ca>2012-02-16 01:36:46 -0700
commit6d9285b00f776eebe459a858ebf07b56c36c60d2 (patch)
tree30bf9adb6a25125dc5919f0128b74cfbf2a73d3f
parent4bbdd45afdae208a7c4ade89cf602f89a6397cff (diff)
downloadop-kernel-dev-6d9285b00f776eebe459a858ebf07b56c36c60d2.zip
op-kernel-dev-6d9285b00f776eebe459a858ebf07b56c36c60d2.tar.gz
irq_domain/powerpc: Eliminate virq_is_host()
There is only one user, and it is trivial to open-code. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Milton Miller <miltonm@bga.com> Tested-by: Olof Johansson <olof@lixom.net>
-rw-r--r--arch/powerpc/include/asm/irq.h1
-rw-r--r--arch/powerpc/kernel/irq.c7
-rw-r--r--arch/powerpc/sysdev/xics/xics-common.c12
3 files changed, 6 insertions, 14 deletions
diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
index abdd7ef..f80f262 100644
--- a/arch/powerpc/include/asm/irq.h
+++ b/arch/powerpc/include/asm/irq.h
@@ -58,7 +58,6 @@ extern atomic_t ppc_n_lost_interrupts;
struct irq_data;
extern irq_hw_number_t irqd_to_hwirq(struct irq_data *d);
extern irq_hw_number_t virq_to_hw(unsigned int virq);
-extern bool virq_is_host(unsigned int virq, struct irq_domain *host);
/**
* irq_alloc_host - Allocate a new irq_domain data structure
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 03c95f0..269fbd5 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -510,13 +510,6 @@ irq_hw_number_t virq_to_hw(unsigned int virq)
}
EXPORT_SYMBOL_GPL(virq_to_hw);
-bool virq_is_host(unsigned int virq, struct irq_domain *host)
-{
- struct irq_data *irq_data = irq_get_irq_data(virq);
- return irq_data ? irq_data->domain == host : false;
-}
-EXPORT_SYMBOL_GPL(virq_is_host);
-
static int default_irq_host_match(struct irq_domain *h, struct device_node *np)
{
return h->of_node != NULL && h->of_node == np;
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index c4b3ce1..fb2e303 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -212,16 +212,16 @@ void xics_migrate_irqs_away(void)
/* We can't set affinity on ISA interrupts */
if (virq < NUM_ISA_INTERRUPTS)
continue;
- if (!virq_is_host(virq, xics_host))
- continue;
- irq = (unsigned int)virq_to_hw(virq);
- /* We need to get IPIs still. */
- if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
- continue;
desc = irq_to_desc(virq);
/* We only need to migrate enabled IRQS */
if (!desc || !desc->action)
continue;
+ if (desc->irq_data.domain != xics_host)
+ continue;
+ irq = desc->irq_data.hwirq;
+ /* We need to get IPIs still. */
+ if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
+ continue;
chip = irq_desc_get_chip(desc);
if (!chip || !chip->irq_set_affinity)
continue;
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