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authorEric Anholt <eric@anholt.net>2016-02-04 13:14:28 -0800
committerJason Cooper <jason@lakedaemon.net>2016-02-18 01:53:10 +0000
commitb6bc902ddca18749253093f5f8dc15391d8c2356 (patch)
tree8383d46a880b0d3b569015b00554b884704dbc8f
parentd2b383dcf49db953a7438810803fdd7ac1e1f385 (diff)
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irqchip/bcm2836: Drop extra memory barrier in SMP boot.
The writel() immediately after this has a barrier, anyway. Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://lkml.kernel.org/r/1454620468-31303-1-git-send-email-eric@anholt.net Signed-off-by: Jason Cooper <jason@lakedaemon.net>
-rw-r--r--drivers/irqchip/irq-bcm2836.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c
index 963065a0d774..b6e950d4782a 100644
--- a/drivers/irqchip/irq-bcm2836.c
+++ b/drivers/irqchip/irq-bcm2836.c
@@ -229,7 +229,6 @@ int __init bcm2836_smp_boot_secondary(unsigned int cpu,
unsigned long secondary_startup_phys =
(unsigned long)virt_to_phys((void *)secondary_startup);
- dsb();
writel(secondary_startup_phys,
intc.base + LOCAL_MAILBOX3_SET0 + 16 * cpu);