[U-Boot] [PATCH v2 6/6] sunxi: axp: Remove non driver-model support from the axp gpio code

Simon Glass sjg at chromium.org
Tue Apr 28 05:20:28 CEST 2015


Hi Hans,

On 26 April 2015 at 03:51, Hans de Goede <hdegoede at redhat.com> wrote:
> Now that all sunxi boards are using driver-model for gpio (*), we can remove
> the non driver-model support from the axp gpio code, and the glue to call
> into the axp gpio code from the sunxi_gpio non driver-model code.
>
> *) For the regular u-boot build, SPL still uses non driver-model gpio for
> now, but the SPL never uses axp gpios support and we were already not building
> axp-gpio support for the SPL.
>
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> ---
>  arch/arm/include/asm/arch-sunxi/gpio.h |  7 -------
>  drivers/gpio/axp_gpio.c                | 17 ++++++++---------
>  drivers/gpio/sunxi_gpio.c              | 32 --------------------------------
>  3 files changed, 8 insertions(+), 48 deletions(-)
>
> diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
> index 2d66077..081e7d1 100644
> --- a/arch/arm/include/asm/arch-sunxi/gpio.h
> +++ b/arch/arm/include/asm/arch-sunxi/gpio.h
> @@ -225,11 +225,4 @@ int axp_gpio_init(void);
>  static inline int axp_gpio_init(void) { return 0; }
>  #endif
>
> -struct udevice;
> -
> -int axp_gpio_direction_input(struct udevice *dev, unsigned offset);
> -int axp_gpio_direction_output(struct udevice *dev, unsigned offset, int val);
> -int axp_gpio_get_value(struct udevice *dev, unsigned offset);
> -int axp_gpio_set_value(struct udevice *dev, unsigned offset, int val);
> -
>  #endif /* _SUNXI_GPIO_H */
> diff --git a/drivers/gpio/axp_gpio.c b/drivers/gpio/axp_gpio.c
> index 17358e6..956bb84 100644
> --- a/drivers/gpio/axp_gpio.c
> +++ b/drivers/gpio/axp_gpio.c
> @@ -25,6 +25,8 @@
>  #error Unknown AXP model
>  #endif
>
> +static int axp_gpio_set_value(struct udevice *dev, unsigned pin, int val);
> +
>  static u8 axp_get_gpio_ctrl_reg(unsigned pin)
>  {
>         switch (pin) {
> @@ -40,7 +42,7 @@ static u8 axp_get_gpio_ctrl_reg(unsigned pin)
>         return 0;
>  }
>
> -int axp_gpio_direction_input(struct udevice *dev, unsigned pin)
> +static int axp_gpio_direction_input(struct udevice *dev, unsigned pin)
>  {
>         u8 reg;
>
> @@ -58,7 +60,8 @@ int axp_gpio_direction_input(struct udevice *dev, unsigned pin)
>         }
>  }
>
> -int axp_gpio_direction_output(struct udevice *dev, unsigned pin, int val)
> +static int axp_gpio_direction_output(struct udevice *dev, unsigned pin,
> +                                    int val)
>  {
>         __maybe_unused int ret;
>         u8 reg;
> @@ -83,7 +86,7 @@ int axp_gpio_direction_output(struct udevice *dev, unsigned pin, int val)
>         }
>  }
>
> -int axp_gpio_get_value(struct udevice *dev, unsigned pin)
> +static int axp_gpio_get_value(struct udevice *dev, unsigned pin)
>  {
>         u8 reg, val, mask;
>         int ret;
> @@ -115,7 +118,7 @@ int axp_gpio_get_value(struct udevice *dev, unsigned pin)
>         return (val & mask) ? 1 : 0;
>  }
>
> -int axp_gpio_set_value(struct udevice *dev, unsigned pin, int val)
> +static int axp_gpio_set_value(struct udevice *dev, unsigned pin, int val)
>  {
>         u8 reg;
>
> @@ -139,7 +142,6 @@ int axp_gpio_set_value(struct udevice *dev, unsigned pin, int val)
>         }
>  }
>
> -#ifdef CONFIG_DM_GPIO
>  static const struct dm_gpio_ops gpio_axp_ops = {
>         .direction_input        = axp_gpio_direction_input,
>         .direction_output       = axp_gpio_direction_output,
> @@ -164,23 +166,20 @@ struct driver gpio_axp_driver = {
>         .ops    = &gpio_axp_ops,
>         .probe  = gpio_axp_probe,
>  };
> -#endif
>
>  int axp_gpio_init(void)
>  {
> -       __maybe_unused struct udevice *dev;
> +       struct udevice *dev;
>         int ret;
>
>         ret = pmic_bus_init();
>         if (ret)
>                 return ret;
>
> -#ifdef CONFIG_DM_GPIO
>         /* There is no devicetree support for the axp yet, so bind directly */
>         ret = device_bind(dm_root(), &gpio_axp_driver, "AXP", NULL, -1, &dev);

Is there really no compatible string you can use?

device_bind_driver(dm_root(), "gpio_axp", "AXP", &dev)

>         if (ret)
>                 return ret;
> -#endif
>
>         return 0;
>  }
> diff --git a/drivers/gpio/sunxi_gpio.c b/drivers/gpio/sunxi_gpio.c
> index 21c3ff1..f988130 100644
> --- a/drivers/gpio/sunxi_gpio.c
> +++ b/drivers/gpio/sunxi_gpio.c
> @@ -74,10 +74,6 @@ int gpio_free(unsigned gpio)
>
>  int gpio_direction_input(unsigned gpio)
>  {
> -#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
> -       if (gpio >= SUNXI_GPIO_AXP0_START)
> -               return axp_gpio_direction_input(NULL, gpio - SUNXI_GPIO_AXP0_START);
> -#endif
>         sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_INPUT);
>
>         return 0;
> @@ -85,11 +81,6 @@ int gpio_direction_input(unsigned gpio)
>
>  int gpio_direction_output(unsigned gpio, int value)
>  {
> -#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
> -       if (gpio >= SUNXI_GPIO_AXP0_START)
> -               return axp_gpio_direction_output(NULL, gpio - SUNXI_GPIO_AXP0_START,
> -                                                value);
> -#endif
>         sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_OUTPUT);
>
>         return sunxi_gpio_output(gpio, value);
> @@ -97,19 +88,11 @@ int gpio_direction_output(unsigned gpio, int value)
>
>  int gpio_get_value(unsigned gpio)
>  {
> -#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
> -       if (gpio >= SUNXI_GPIO_AXP0_START)
> -               return axp_gpio_get_value(NULL, gpio - SUNXI_GPIO_AXP0_START);
> -#endif
>         return sunxi_gpio_input(gpio);
>  }
>
>  int gpio_set_value(unsigned gpio, int value)
>  {
> -#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
> -       if (gpio >= SUNXI_GPIO_AXP0_START)
> -               return axp_gpio_set_value(NULL, gpio - SUNXI_GPIO_AXP0_START, value);
> -#endif
>         return sunxi_gpio_output(gpio, value);
>  }
>
> @@ -120,21 +103,6 @@ int sunxi_name_to_gpio(const char *name)
>         long pin;
>         char *eptr;
>
> -#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
> -       if (strncasecmp(name, "AXP0-", 5) == 0) {
> -               name += 5;
> -               if (strcmp(name, "VBUS-DETECT") == 0)
> -                       return SUNXI_GPIO_AXP0_START +
> -                               SUNXI_GPIO_AXP0_VBUS_DETECT;
> -               if (strcmp(name, "VBUS-ENABLE") == 0)
> -                       return SUNXI_GPIO_AXP0_START +
> -                               SUNXI_GPIO_AXP0_VBUS_ENABLE;
> -               pin = simple_strtol(name, &eptr, 10);
> -               if (!*name || *eptr)
> -                       return -1;
> -               return SUNXI_GPIO_AXP0_START + pin;
> -       }
> -#endif
>         if (*name == 'P' || *name == 'p')
>                 name++;
>         if (*name >= 'A') {
> --
> 2.3.5
>


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