[PATCH 28/30] mci: imx-esdhc: fixup quirks in standard SDHCI registers

[Sascha Hauer]

On Mon, May 05, 2025 at 02:06:31PM +0200, Ahmad Fatoum wrote:
> The eSDHC implementation differs from the spec sufficiently to break the
> generic SDHCI tuning support. Linux works around this by intercepting
> some particular register reads and faking the content.
> 
> Let's begrudgingly do the same for barebox.
> 
> Mildly interesting statistic: As of Linux v6.12, the generic SDHCI driver
> defines 52 quirk bits and 32 callbacks to handle differences.

Nah, it's not that bad. BIT(31) in quirks is unused, so it's only 51
quirk bits ;)

Sascha

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