On Sun, Jul 23, 2017 at 09:19:57PM -0600, Simon Glass wrote:
> We plan to move to a environment access via drivers for each location
> where the environment can be stored. Add an implementation for this. So
> far it is not used, but will be pressed into service in a future patch.
>
> Signed-off-by: Simon Glass <s...@chromium.org>
[snip]
> +static enum env_location env_get_default_location(void)
> +{
> + if IS_ENABLED(CONFIG_ENV_IS_IN_DATAFLASH)
> + return ENVL_DATAFLASH;
> + else if IS_ENABLED(CONFIG_ENV_IS_IN_EEPROM)
> + return ENVL_EEPROM;
> + else if IS_ENABLED(CONFIG_ENV_IS_IN_FAT)
> + return ENVL_FAT;
> + else if IS_ENABLED(CONFIG_ENV_IS_IN_FLASH)
> + return ENVL_FLASH;
> + else if IS_ENABLED(CONFIG_ENV_IS_IN_MMC)
> + return ENVL_MMC;
> + else if IS_ENABLED(CONFIG_ENV_IS_IN_NAND)
> + return ENVL_NAND;
> + else if IS_ENABLED(CONFIG_ENV_IS_IN_NVRAM)
> + return ENVL_NVRAM;
> + else if IS_ENABLED(CONFIG_ENV_IS_IN_REMOTE)
> + return ENVL_REMOTE;
> + else if IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH)
> + return ENVL_SPI_FLASH;
> + else if IS_ENABLED(CONFIG_ENV_IS_IN_UBI)
> + return ENVL_UBI;
> + else if IS_ENABLED(CONFIG_ENV_IS_NOWHERE)
> + return ENVL_NOWHERE;
> + else
> + return ENVL_UNKNOWN;
> +}I think the kernel has a few examples of how the Kconfig side of things looks so that you can offer N options and then pick a default one (io scheduler, etc). We should do that rather than alphabetical IS_ENABLED tests. Otherwise, TODOs aside, looks good. -- Tom
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