From: Eric Anholt <eric@anholt.net>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Stephen Warren <swarren@wwwdotorg.org>,
Lee Jones <lee@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>,
Marc Zyngier <marc.zyngier@arm.com>,
Eric Anholt <eric@anholt.net>
Subject: [PATCH] irqchip: bcm2836: Drop extra memory barrier in SMP boot.
Date: Thu, 4 Feb 2016 13:14:28 -0800 [thread overview]
Message-ID: <1454620468-31303-1-git-send-email-eric@anholt.net> (raw)
The writel() immediately after this has a barrier, anyway.
Signed-off-by: Eric Anholt <eric@anholt.net>
---
drivers/irqchip/irq-bcm2836.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c
index 963065a..b6e950d 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);
--
2.7.0
next reply other threads:[~2016-02-04 21:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-04 21:14 Eric Anholt [this message]
2016-02-18 2:03 ` Jason Cooper
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