Call xilinx_gpio_get_bank_pin() before use.
Reported-by: Stefan Herbrechtsmeier stefan@herbrechtsmeier.net Signed-off-by: Michal Simek michal.simek@xilinx.com ---
drivers/gpio/xilinx_gpio.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c index 48b52c985a55..8ce08d80f491 100644 --- a/drivers/gpio/xilinx_gpio.c +++ b/drivers/gpio/xilinx_gpio.c @@ -435,6 +435,10 @@ static int xilinx_gpio_get_function(struct udevice *dev, unsigned offset) int val, ret; u32 bank, pin;
+ ret = xilinx_gpio_get_bank_pin(offset, &bank, &pin, dev); + if (ret) + return ret; + /* Check if all pins are inputs */ if (platdata->bank_input[bank]) return GPIOF_INPUT; @@ -443,10 +447,6 @@ static int xilinx_gpio_get_function(struct udevice *dev, unsigned offset) if (platdata->bank_output[bank]) return GPIOF_OUTPUT;
- ret = xilinx_gpio_get_bank_pin(offset, &bank, &pin, dev); - if (ret) - return ret; - /* FIXME test on dual */ val = readl(&platdata->regs->gpiodir + bank * 2); val = !(val & (1 << pin));