linux-kernel - [PATCH] irqchip/mbigen: Fix the clear register offset

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Date:   Tue, 25 Apr 2017 10:16:03 +0800
From:   Majun <majun258@...wei.com>
To:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <marc.zyngier@....com>,
        <tglx@...utronix.de>, <dingtianhong@...wei.com>,
        <guohanjun@...wei.com>, <majun258@...wei.com>
Subject: [PATCH] irqchip/mbigen: Fix the clear register offset

From: MaJun <majun258@...wei.com>

Don't minus reserved interrupts (64) when get the clear register offset,because
the clear register space includes the space of these 64 interrupts.

Signed-off-by: MaJun <majun258@...wei.com>
---
 drivers/irqchip/irq-mbigen.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
index 061cdb8..75818a5 100644
--- a/drivers/irqchip/irq-mbigen.c
+++ b/drivers/irqchip/irq-mbigen.c
@@ -108,7 +108,6 @@ static inline void get_mbigen_clear_reg(irq_hw_number_t hwirq,
 {
 	unsigned int ofst;
 
-	hwirq -= RESERVED_IRQ_PER_MBIGEN_CHIP;
 	ofst = hwirq / 32 * 4;
 
 	*mask = 1 << (hwirq % 32);
-- 
1.7.12.4