From 5a42cd33d5600e90245fe4fa979d888753b081de Mon Sep 17 00:00:00 2001
From: =?utf8?q?Robert=20Deli=C3=ABn?= <Robert@delien.nl>
Date: Tue, 22 Nov 2011 04:14:22 +0000
Subject: [PATCH] M28: Fix OB1 bug in GPIO driver
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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>
---
drivers/gpio/mxs_gpio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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;
--
2.39.5