[PATCH v3 u-boot] mmc: spl: Make partition choice in default_spl_mmc_emmc_boot_partition() more explicit

[Tom Rini]

On Sat, Jul 08, 2023 at 12:54:38AM +0200, Pali Rohár wrote:

> To make eMMC partition choosing in default_spl_mmc_emmc_boot_partition()
> function better understandable, rewrite it via explicit switch-case code
> pattern.
> 
> Also indicate an error when eMMC EXT_CSD[179] register is configured by
> user to value which is not suitable for eMMC booting and SPL do not know
> how to interpret it.
> 
> Signed-off-by: Pali Rohár <pali at kernel.org>

I did some quick local testing to check on the size impact and this is
indeed quite manageable, thanks for reworking things!

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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