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authorJonas Gorski <jonas.gorski@gmail.com>2018-08-09 10:59:01 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-15 09:40:38 +0200
commit3537179891cae88b1f115af01b10c57594a31d71 (patch)
treeb0e37ecc36599552d67b367b3cba3887d82464c1 /drivers/irqchip
parentad09041e9335398ab36fcaaf50fa3c4e7b8a29f7 (diff)
irqchip/bcm7038-l1: Hide cpu offline callback when building for !SMP
[ Upstream commit 0702bc4d2fe793018ad9aa0eb14bff7f526c4095 ] When compiling bmips with SMP disabled, the build fails with: drivers/irqchip/irq-bcm7038-l1.o: In function `bcm7038_l1_cpu_offline': drivers/irqchip/irq-bcm7038-l1.c:242: undefined reference to `irq_set_affinity_locked' make[5]: *** [vmlinux] Error 1 Fix this by adding and setting bcm7038_l1_cpu_offline only when actually compiling for SMP. It wouldn't have been used anyway, as it requires CPU_HOTPLUG, which in turn requires SMP. Fixes: 34c535793bcb ("irqchip/bcm7038-l1: Implement irq_cpu_offline() callback") Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-bcm7038-l1.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c
index d7af88534971..6fb34bf0f352 100644
--- a/drivers/irqchip/irq-bcm7038-l1.c
+++ b/drivers/irqchip/irq-bcm7038-l1.c
@@ -216,6 +216,7 @@ static int bcm7038_l1_set_affinity(struct irq_data *d,
return 0;
}
+#ifdef CONFIG_SMP
static void bcm7038_l1_cpu_offline(struct irq_data *d)
{
struct cpumask *mask = irq_data_get_affinity_mask(d);
@@ -240,6 +241,7 @@ static void bcm7038_l1_cpu_offline(struct irq_data *d)
}
irq_set_affinity_locked(d, &new_affinity, false);
}
+#endif
static int __init bcm7038_l1_init_one(struct device_node *dn,
unsigned int idx,
@@ -292,7 +294,9 @@ static struct irq_chip bcm7038_l1_irq_chip = {
.irq_mask = bcm7038_l1_mask,
.irq_unmask = bcm7038_l1_unmask,
.irq_set_affinity = bcm7038_l1_set_affinity,
+#ifdef CONFIG_SMP
.irq_cpu_offline = bcm7038_l1_cpu_offline,
+#endif
};
static int bcm7038_l1_map(struct irq_domain *d, unsigned int virq,