[PATCH v3] pxa/hx4700: use gpio arrays for global gpio initialization

Eric Miao eric.y.miao at gmail.com
Tue Jul 5 03:53:38 EDT 2011


On Fri, Apr 29, 2011 at 4:17 AM, Philipp Zabel <philipp.zabel at gmail.com> wrote:
> gpio_request_array() is a functional replacement for hx4700_gpio_request(),
> which is now obsolete.
>
> Signed-off-by: Philipp Zabel <philipp.zabel at gmail.com>

Applied.

> ---
>  arch/arm/mach-pxa/hx4700.c |   70 ++++++++++++--------------------------------
>  1 files changed, 19 insertions(+), 51 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
> index 9cdcca5..3254a60 100644
> --- a/arch/arm/mach-pxa/hx4700.c
> +++ b/arch/arm/mach-pxa/hx4700.c
> @@ -135,42 +135,6 @@ static unsigned long hx4700_pin_config[] __initdata = {
>        GPIO66_GPIO,    /* nSDIO_IRQ */
>  };
>
> -#define HX4700_GPIO_IN(num, _desc) \
> -       { .gpio = (num), .dir = 0, .desc = (_desc) }
> -#define HX4700_GPIO_OUT(num, _init, _desc) \
> -       { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
> -struct gpio_ress {
> -       unsigned gpio : 8;
> -       unsigned dir : 1;
> -       unsigned init : 1;
> -       char *desc;
> -};
> -
> -static int hx4700_gpio_request(struct gpio_ress *gpios, int size)
> -{
> -       int i, rc = 0;
> -       int gpio;
> -       int dir;
> -
> -       for (i = 0; (!rc) && (i < size); i++) {
> -               gpio = gpios[i].gpio;
> -               dir = gpios[i].dir;
> -               rc = gpio_request(gpio, gpios[i].desc);
> -               if (rc) {
> -                       pr_err("Error requesting GPIO %d(%s) : %d\n",
> -                              gpio, gpios[i].desc, rc);
> -                       continue;
> -               }
> -               if (dir)
> -                       gpio_direction_output(gpio, gpios[i].init);
> -               else
> -                       gpio_direction_input(gpio);
> -       }
> -       while ((rc) && (--i >= 0))
> -               gpio_free(gpios[i].gpio);
> -       return rc;
> -}
> -
>  /*
>  * IRDA
>  */
> @@ -829,26 +793,30 @@ static struct platform_device *devices[] __initdata = {
>        &pcmcia,
>  };
>
> -static struct gpio_ress global_gpios[] = {
> -       HX4700_GPIO_IN(GPIO12_HX4700_ASIC3_IRQ, "ASIC3_IRQ"),
> -       HX4700_GPIO_IN(GPIO13_HX4700_W3220_IRQ, "W3220_IRQ"),
> -       HX4700_GPIO_IN(GPIO14_HX4700_nWLAN_IRQ, "WLAN_IRQ"),
> -       HX4700_GPIO_OUT(GPIO59_HX4700_LCD_PC1,          1, "LCD_PC1"),
> -       HX4700_GPIO_OUT(GPIO62_HX4700_LCD_nRESET,       1, "LCD_RESET"),
> -       HX4700_GPIO_OUT(GPIO70_HX4700_LCD_SLIN1,        1, "LCD_SLIN1"),
> -       HX4700_GPIO_OUT(GPIO84_HX4700_LCD_SQN,          1, "LCD_SQN"),
> -       HX4700_GPIO_OUT(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1, "LCD_LVDD"),
> -       HX4700_GPIO_OUT(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1, "LCD_AVDD"),
> -       HX4700_GPIO_OUT(GPIO32_HX4700_RS232_ON,         1, "RS232_ON"),
> -       HX4700_GPIO_OUT(GPIO71_HX4700_ASIC3_nRESET,     1, "ASIC3_nRESET"),
> -       HX4700_GPIO_OUT(GPIO82_HX4700_EUART_RESET,      1, "EUART_RESET"),
> -       HX4700_GPIO_OUT(GPIO105_HX4700_nIR_ON,          1, "nIR_EN"),
> +static struct gpio global_gpios[] = {
> +       { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
> +       { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
> +       { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
> +       { GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
> +       { GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
> +       { GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
> +       { GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
> +       { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
> +       { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
> +       { GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
> +       { GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
> +       { GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
> +       { GPIO105_HX4700_nIR_ON,          GPIOF_OUT_INIT_HIGH, "nIR_EN" },
>  };
>
>  static void __init hx4700_init(void)
>  {
> +       int ret;
> +
>        pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
> -       hx4700_gpio_request(ARRAY_AND_SIZE(global_gpios));
> +       ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
> +       if (ret)
> +               pr_err("hx4700: Failed to request GPIOs: %d\n", ret);
>
>        pxa_set_ffuart_info(NULL);
>        pxa_set_btuart_info(NULL);
> --
> 1.7.4.4
>
>
>



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