The .direction_input and .direction_output ops are deprecated, and don't seem to behave properly for us. Implement our own .set_flags op to handle this correctly.
Signed-off-by: Caleb Connolly caleb.connolly@linaro.org --- drivers/gpio/msm_gpio.c | 27 +++++++++++++++++++++------ 1 file changed, 21 insertions(+), 6 deletions(-)
diff --git a/drivers/gpio/msm_gpio.c b/drivers/gpio/msm_gpio.c index 5e57b0cbde75..f5d9ab54e817 100644 --- a/drivers/gpio/msm_gpio.c +++ b/drivers/gpio/msm_gpio.c @@ -34,21 +34,21 @@ struct msm_gpio_bank {
#define GPIO_IN_OUT_REG(dev, x) \ (GPIO_CONFIG_REG(dev, x) + 0x4)
-static int msm_gpio_direction_input(struct udevice *dev, unsigned int gpio) +static void msm_gpio_direction_input(struct udevice *dev, unsigned int gpio) { struct msm_gpio_bank *priv = dev_get_priv(dev);
/* Always NOP for special pins, assume they're in the correct state */ if (qcom_is_special_pin(priv->pin_data, gpio)) - return 0; + return;
/* Disable OE bit */ clrsetbits_le32(priv->base + GPIO_CONFIG_REG(dev, gpio), GPIO_OE_MASK, GPIO_OE_DISABLE);
- return 0; + return; }
static int msm_gpio_set_value(struct udevice *dev, unsigned int gpio, int value) { @@ -83,8 +83,25 @@ static int msm_gpio_direction_output(struct udevice *dev, unsigned int gpio,
return 0; }
+static int msm_gpio_set_flags(struct udevice *dev, unsigned int gpio, ulong flags) +{ + if (flags & GPIOD_IS_OUT_ACTIVE) { + return msm_gpio_direction_output(dev, gpio, 1); + } else if (flags & GPIOD_IS_OUT) { + return msm_gpio_direction_output(dev, gpio, 0); + } else if (flags & GPIOD_IS_IN) { + msm_gpio_direction_input(dev, gpio); + if (flags & GPIOD_PULL_UP) + return msm_gpio_set_value(dev, gpio, 1); + else if (flags & GPIOD_PULL_DOWN) + return msm_gpio_set_value(dev, gpio, 0); + } + + return 0; +} + static int msm_gpio_get_value(struct udevice *dev, unsigned int gpio) { struct msm_gpio_bank *priv = dev_get_priv(dev);
@@ -109,12 +126,10 @@ static int msm_gpio_get_function(struct udevice *dev, unsigned int gpio) return GPIOF_INPUT; }
static const struct dm_gpio_ops gpio_msm_ops = { - .direction_input = msm_gpio_direction_input, - .direction_output = msm_gpio_direction_output, + .set_flags = msm_gpio_set_flags, .get_value = msm_gpio_get_value, - .set_value = msm_gpio_set_value, .get_function = msm_gpio_get_function, };
static int msm_gpio_probe(struct udevice *dev)