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irq_domain/powerpc: Eliminate virq_is_host()

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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>
This commit is contained in:
Grant Likely 2012-02-14 14:06:51 -07:00
parent 4bbdd45afd
commit 6d9285b00f
3 changed files with 6 additions and 14 deletions
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1
arch/powerpc/include/asm/irq.h
View File

@ -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

7
arch/powerpc/kernel/irq.c
View File

@ -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;

12
arch/powerpc/sysdev/xics/xics-common.c
View File

@ -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;