[U-Boot] [PATCH] M28: Fix OB1 bug in GPIO driver
Robert Deliën
Robert at delien.nl
Tue Nov 22 15:14:22 CET 2011
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>
diff --git a/drivers/gpio/mxs_gpio.c b/drivers/gpio/mxs_gpio.c
index b7e9591..539738b 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;
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