[alsa-devel] [PATCH v4 7/9] davinci: MMC/SD support for Omapl138-Hawkboar

[Sergei Shtylyov]

Hello.

On 10/15/10 07:08, vm.rod25 at gmail.com wrote:

> From: Victor Rodriguez<victor.rodriguez at sasken.com>

> This patch adds MMC/SD support for the Hawkboard-L138 system

> Signed-off-by: Victor Rodriguez<victor.rodriguez at sasken.com>
[...]

> diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
> index 6f76220..87dea28 100644
> --- a/arch/arm/mach-davinci/board-omapl138-hawk.c
> +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
[...]
> @@ -180,6 +208,28 @@ static __init void omapl138_hawk_init(void)
>   		pr_warning("%s: mcasp mux setup failed: %d\n", __func__, ret);
>   	da8xx_register_mcasp(0,&omapl138_hawk_snd_data);

    I'd put all the following into a sperate function.

> +	ret = davinci_cfg_reg_list(hawk_mmcsd0_pins);
> +	if (ret)
> +		pr_warning("%s: MMC/SD0 mux setup failed: %d\n",
> +			__func__, ret);
> +
> +	ret = gpio_request(DA850_HAWK_MMCSD_CD_PIN, "MMC CD\n");
> +	if (ret)
> +		pr_warning("%s: can not open GPIO %d\n",
> +			__func__, DA850_HAWK_MMCSD_CD_PIN);
> +	gpio_direction_input(DA850_HAWK_MMCSD_CD_PIN);

    You cannot call that if gpio_request{} failed.

> +	ret = gpio_request(DA850_HAWK_MMCSD_WP_PIN, "MMC WP\n");
> +	if (ret)
> +		pr_warning("%s: can not open GPIO %d\n",
> +			__func__, DA850_HAWK_MMCSD_WP_PIN);
> +	gpio_direction_input(DA850_HAWK_MMCSD_WP_PIN);

    You cannot call that if gpio_request{} failed.

> +	ret = da8xx_register_mmcsd0(&da850_mmc_config);
> +	if (ret)
> +		pr_warning("%s: MMC/SD0 registration failed: %d\n",
> +			__func__, ret);
> +
>   	ret = da8xx_register_watchdog();
>   	if (ret)
>   		pr_warning("omapl138_hawk_init: "

WBR, Sergei