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authorMilton Miller <miltonm@bga.com>2011-05-10 23:29:49 +0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-19 09:31:33 +0400
commite085255ebce87c0b85d4752638d8a7d4f35f5b64 (patch)
tree389a7c5574f98bbb65f09d25afcd5e40aad03ee6
parent714542721b4a53a3ebbdd5f0619ac0f66e7df610 (diff)
downloadlinux-e085255ebce87c0b85d4752638d8a7d4f35f5b64.tar.xz
powerpc/xics: Cleanup xics_host_map and ipi
Since we already have a special case in map to set the ipi handler, use the desired flow. If we don't find an ics to handle the interrupt complain instead of returning 0 without having set a chip or handler. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/sysdev/xics/xics-common.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index a31a7103218f..43b2a791e204 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -135,9 +135,8 @@ static void xics_request_ipi(void)
/*
* IPIs are marked IRQF_DISABLED as they must run with irqs
- * disabled
+ * disabled, and PERCPU. The handler was set in map.
*/
- irq_set_handler(ipi, handle_percpu_irq);
BUG_ON(request_irq(ipi, icp_ops->ipi_action,
IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL));
}
@@ -341,15 +340,16 @@ static int xics_host_map(struct irq_host *h, unsigned int virq,
/* Don't call into ICS for IPIs */
if (hw == XICS_IPI) {
irq_set_chip_and_handler(virq, &xics_ipi_chip,
- handle_fasteoi_irq);
+ handle_percpu_irq);
return 0;
}
/* Let the ICS setup the chip data */
list_for_each_entry(ics, &ics_list, link)
if (ics->map(ics, virq) == 0)
- break;
- return 0;
+ return 0;
+
+ return -EINVAL;
}
static int xics_host_xlate(struct irq_host *h, struct device_node *ct,