The call to syscon_get_by_driver_data() does not save its return value. Print it out to aid debugging.
Signed-off-by: Bin Meng bmeng.cn@gmail.com ---
drivers/gpio/intel_ich6_gpio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/intel_ich6_gpio.c b/drivers/gpio/intel_ich6_gpio.c index b7e379a..2d66d04 100644 --- a/drivers/gpio/intel_ich6_gpio.c +++ b/drivers/gpio/intel_ich6_gpio.c @@ -114,9 +114,11 @@ static int ich6_gpio_probe(struct udevice *dev) struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); struct ich6_bank_priv *bank = dev_get_priv(dev); struct udevice *pinctrl; + int ret;
/* Set up pin control if available */ - syscon_get_by_driver_data(X86_SYSCON_PINCONF, &pinctrl); + ret = syscon_get_by_driver_data(X86_SYSCON_PINCONF, &pinctrl); + debug("%s, pinctrl=%p, ret=%d\n", __func__, pinctrl, ret);
uc_priv->gpio_count = GPIO_PER_BANK; uc_priv->bank_name = plat->bank_name;