From: Robert Deliën <Robert@delien.nl>
Date: Tue, 22 Nov 2011 04:14:22 +0000 (+0000)
Subject: M28: Fix OB1 bug in GPIO driver
X-Git-Tag: v2011.12-rc1~60^2~8
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=5a42cd33d5600e90245fe4fa979d888753b081de;p=u-boot

M28: Fix OB1 bug in GPIO driver

This patch fixes a small off-by-one bug in the GPIO driver for the mxs platform that allowed the selection gpio pins of one bank more than the SoC actually has.

Signed-off-by: Robert Deliën <robert at delien.nl>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
---

diff --git a/drivers/gpio/mxs_gpio.c b/drivers/gpio/mxs_gpio.c
index b7e959128e..539738be9b 100644
--- a/drivers/gpio/mxs_gpio.c
+++ b/drivers/gpio/mxs_gpio.c
@@ -120,7 +120,7 @@ int gpio_direction_output(int gp, int value)
 
 int gpio_request(int gp, const char *label)
 {
-	if (PAD_BANK(gp) > PINCTRL_BANKS)
+	if (PAD_BANK(gp) >= PINCTRL_BANKS)
 		return -EINVAL;
 
 	return 0;