[U-Boot] [PATCH v2 2/3] fastboot: getvar: Refactor fastboot_*_get_part_info() usage

[Lukasz Majewski]

On Thu, 13 Jun 2019 00:14:10 +0300
Sam Protsenko <semen.protsenko at linaro.org> wrote:

> Extract fastboot_*_get_part_info() usage for MMC and NAND into
> getvar_get_part_info() function, as it will be needed further in other
> functions. This way we can avoid code duplication and mess with
> preprocessor directives across all points of usage.
> 
> Signed-off-by: Sam Protsenko <semen.protsenko at linaro.org>
> ---
>  drivers/fastboot/fb_getvar.c | 52
> +++++++++++++++++++++++++----------- 1 file changed, 36
> insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/fastboot/fb_getvar.c
> b/drivers/fastboot/fb_getvar.c index 4268628f5e..b23880089e 100644
> --- a/drivers/fastboot/fb_getvar.c
> +++ b/drivers/fastboot/fb_getvar.c
> @@ -81,6 +81,41 @@ static const struct {
>  	}
>  };
>  
> +#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
> +/**
> + * Universal function to get partition number and size.
> + *
> + * @param[in] part_name Info for which partition name to look for
> + * @param[in,out] response Pointer to fastboot response buffer
> + * @param[out] size If not NULL, will contain partition size (in
> blocks)
> + * @return Partition number or negative value on error
> + */
> +static int getvar_get_part_info(const char *part_name, char
> *response,
> +				size_t *size)
> +{
> +	int r;
> +# if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
> +	struct blk_desc *dev_desc;
> +	disk_partition_t part_info;
> +
> +	r = fastboot_mmc_get_part_info(part_name, &dev_desc,
> &part_info,
> +				       response);
> +	if (r >= 0 && size)
> +		*size = part_info.size;
> +# elif CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
> +	struct part_info *part_info;
> +
> +	r = fastboot_nand_get_part_info(part_name, &part_info,
> response);
> +	if (r >= 0 && size)
> +		*size = part_info->size;
> +# else
> +	r = -ENODEV;
> +# endif
> +
> +	return r;
> +}
> +#endif
> +
>  static void getvar_version(char *var_parameter, char *response)
>  {
>  	fastboot_okay(FASTBOOT_VERSION, response);
> @@ -176,22 +211,7 @@ static void getvar_partition_size(char
> *part_name, char *response) int r;
>  	size_t size;
>  
> -#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
> -	struct blk_desc *dev_desc;
> -	disk_partition_t part_info;
> -
> -	r = fastboot_mmc_get_part_info(part_name, &dev_desc,
> &part_info,
> -				       response);
> -	if (r >= 0)
> -		size = part_info.size;
> -#endif
> -#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
> -	struct part_info *part_info;
> -
> -	r = fastboot_nand_get_part_info(part_name, &part_info,
> response);
> -	if (r >= 0)
> -		size = part_info->size;
> -#endif
> +	r = getvar_get_part_info(part_name, response, &size);
>  	if (r >= 0)
>  		fastboot_response("OKAY", response, "0x%016zx",
> size); }

Reviewed-by: Lukasz Majewski <lukma at denx.de>


Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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