[PATCH v4] mmc: meson: Add driver for the SD/MMC host found on Amlogic MesonX SoCs

Ulf Hansson ulf.hansson at linaro.org
Tue Dec 8 12:35:20 PST 2015


[...]

>
> I have actually a problem and a question related to this value. On the
> boards I'm currently using to test this driver I have no CD GPIO. In
> this case do I have to specify the MMC as "non-removable"? Also if I

"non-removable" is intended to be used for eMMC or other cards
(SD/SDIO) that is not possible to remove/insert at runtime.

> try to change an SD card at runtime I have to wait 3 times the timeout
> before being able to do it successfully.

I guess you are using the "broken-cd" binding, which will enable
MMC_CAP_NEEDS_POLL and thus the mmc core will poll to detect cards
being inserted or removed.

[...]

Kind regards
Uffe



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