linux-kernel - [PATCH 02/12] MIPS: Set vint handler when mapping CPU interrupts

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Message-Id: <1409350479-19108-3-git-send-email-abrestic@chromium.org>
Date:	Fri, 29 Aug 2014 15:14:29 -0700
From:	Andrew Bresticker <abrestic@...omium.org>
To:	Ralf Baechle <ralf@...ux-mips.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>
Cc:	Andrew Bresticker <abrestic@...omium.org>,
	Jeffrey Deans <jeffrey.deans@...tec.com>,
	Markos Chandras <markos.chandras@...tec.com>,
	Paul Burton <paul.burton@...tec.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>, linux-mips@...ux-mips.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 02/12] MIPS: Set vint handler when mapping CPU interrupts

When mapping an interrupt in the CPU IRQ domain, set the vint handler
for that interrupt if the CPU uses vectored interrupt handling.

Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
---
 arch/mips/kernel/irq_cpu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index 9cf8459..33a4385 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -36,6 +36,7 @@
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
 #include <asm/mipsmtregs.h>
+#include <asm/setup.h>
 
 static inline void unmask_mips_irq(struct irq_data *d)
 {
@@ -146,6 +147,9 @@ static int mips_cpu_intc_map(struct irq_domain *d, unsigned int irq,
 		chip = &mips_cpu_irq_controller;
 	}
 
+	if (cpu_has_vint)
+		set_vi_handler(hw, plat_irq_dispatch);
+
 	irq_set_chip_and_handler(irq, chip, handle_percpu_irq);
 
 	return 0;
-- 
2.1.0.rc2.206.gedb03e5

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