From 1d332d5413131c7e722ee66563f700eca29af139 Mon Sep 17 00:00:00 2001
From: Eunki Kim <eunki_kim@samsung.com>
Date: Tue, 23 Oct 2012 22:39:38 +0900
Subject: [PATCH] --- yaml --- r: 342519 b: refs/heads/master c:
 2b88ff4a75f2175902389e3356d6227d7030e382 h: refs/heads/master i:   342517:
 aae4b49fcb62d0dda68ca72330dbf1d998c14954   342515:
 8fd44ae427a13c1ba31f777633f5454db70cfd1f   342511:
 415cf8e2ea060502c2329978659fc848ffedefaa v: v3

---
 [refs]                            | 2 +-
 trunk/drivers/gpio/gpio-samsung.c | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index f655ecc24acb..d7f4608a5d52 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 453e2dd768de8aa82ee503f1d45395149aa357d6
+refs/heads/master: 2b88ff4a75f2175902389e3356d6227d7030e382
diff --git a/trunk/drivers/gpio/gpio-samsung.c b/trunk/drivers/gpio/gpio-samsung.c
index a006f0db15af..15be3d9aebe9 100644
--- a/trunk/drivers/gpio/gpio-samsung.c
+++ b/trunk/drivers/gpio/gpio-samsung.c
@@ -596,7 +596,10 @@ static int samsung_gpiolib_4bit_input(struct gpio_chip *chip,
 	unsigned long con;
 
 	con = __raw_readl(base + GPIOCON_OFF);
-	con &= ~(0xf << con_4bit_shift(offset));
+	if (ourchip->bitmap_gpio_int & BIT(offset))
+		con |= 0xf << con_4bit_shift(offset);
+	else
+		con &= ~(0xf << con_4bit_shift(offset));
 	__raw_writel(con, base + GPIOCON_OFF);
 
 	gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con);
@@ -1081,6 +1084,8 @@ static void __init samsung_gpiolib_add_4bit_chips(struct samsung_gpio_chip *chip
 		if ((base != NULL) && (chip->base == NULL))
 			chip->base = base + ((i) * 0x20);
 
+		chip->bitmap_gpio_int = 0;
+
 		samsung_gpiolib_add(chip);
 	}
 }