From: zhangqing <zhangqing@rock-chips.com>
Date: Wed, 15 Oct 2014 01:54:00 +0000 (+0800)
Subject: rk312x:pmic:rk818:slove irq handle failed
X-Git-Tag: firefly_0821_release~4586
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5932cde9e40f716dd58850256412a26ec40475a3;p=firefly-linux-kernel-4.4.55.git

rk312x:pmic:rk818:slove irq handle failed
---

diff --git a/drivers/mfd/rk818-irq.c b/drivers/mfd/rk818-irq.c
index 8b15cb7700e4..7315fa1e3d60 100755
--- a/drivers/mfd/rk818-irq.c
+++ b/drivers/mfd/rk818-irq.c
@@ -46,7 +46,7 @@ static irqreturn_t rk818_irq(int irq, void *irq_data)
 	u32 irq_sts;
 	u32 irq_mask;
 	u8 reg;
-	int i;
+	int i, cur_irq;
 	//printk(" rk818 irq %d \n",irq);	
 	wake_lock(&rk818->irq_wake);	
 	rk818_i2c_read(rk818, RK818_INT_STS_REG1, 1, &reg);
@@ -72,7 +72,10 @@ static irqreturn_t rk818_irq(int irq, void *irq_data)
 		if (!(irq_sts & (1 << i)))
 			continue;
 
-		handle_nested_irq(rk818->irq_base + i);
+		cur_irq = irq_find_mapping(rk818->irq_domain, i);
+
+                if (cur_irq)
+                	handle_nested_irq(cur_irq);
 	}
 
 	/* Write the STS register back to clear IRQs we handled */