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From: Florian Fainelli <florian@openwrt.org>
Date: 	Fri, 22 Aug 2008 17:02:03 +0200
Subject: [PATCH 4/5] rb532: replace raw volatile read with a readl
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This patch replaces a raw read using volatiles
with a readl.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c
index 0628d8d..6782127 100644
--- a/arch/mips/rb532/gpio.c
+++ b/arch/mips/rb532/gpio.c
@@ -70,7 +70,7 @@ void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val)
 
 	spin_lock_irqsave(&dev3.lock, flags);
 
-	data = *(volatile unsigned *) (IDT434_REG_BASE + reg_offs);
+	data = readl(IDT434_REG_BASE + reg_offs);
 	for (i = 0; i != len; ++i) {
 		if (val & (1 << i))
 			data |= (1 << (i + bit));

