From: kfx <kfx@rock-chips.com>
Date: Mon, 7 Jan 2013 01:40:24 +0000 (+0800)
Subject: iomux: fixed bug: gpio_to_mode
X-Git-Tag: firefly_0821_release~7992
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=da94d78f22d9d96e2e82a3443637ccb9f3d203af;p=firefly-linux-kernel-4.4.55.git

iomux: fixed bug: gpio_to_mode
---

diff --git a/arch/arm/plat-rk/iomux.c b/arch/arm/plat-rk/iomux.c
index 00abf07be6c4..74df016644f5 100644
--- a/arch/arm/plat-rk/iomux.c
+++ b/arch/arm/plat-rk/iomux.c
@@ -65,8 +65,7 @@ int iomux_gpio_to_mode(int gpio)
         off = gpio - PIN_BASE;
         m.mux.bank = off/32;
         m.mux.goff = (off%32)/8 + 0x0A;
-        m.mux.off = off%256;
-
+        m.mux.off = (off%32)%8;
 
 	if(!mode_is_valid(m.mode)){
 		INFO("<%s> gpio(gpio%d_%x%d) is invalid\n", __func__, m.mux.bank, m.mux.goff, m.mux.off);