Re: sdhci-omap: issues with PM features since 5.16

[Tony Lindgren <tony@atomide.com>]

* Romain Naour <romain.naour@smile.fr> [240129 17:42]:
> OK, I reproduced the same behavior on the AM574x evaluation board. I didn't know
> that ios can report clock 0 Hz and vdd invalid when the device is idle. I
> thought that was a symptom of my initial issue "mmc1: cache flush error -110".
> 
> So, there is no issue on AM574x evaluation board.

OK

> I don't understand how the emmc_pwrseq node can work on am5729-beagleboneai
> using gpio5_7 as reset-gpio since this pin it's not connected (F13 ball)
> 
> 	emmc_pwrseq: emmc_pwrseq {
> 		compatible = "mmc-pwrseq-emmc";
> 		reset-gpios = <&gpio5 7 GPIO_ACTIVE_LOW>;
> 	};
> 
> https://openbeagle.org/beagleboard/beaglebone-ai/-/blob/master/BeagleBone-AI_RevA2_sch.pdf

Sounds like that's only wired for some different revisions then?

> Note that mmc2 node is using ti,needs-special-reset property that is not used in
> shdci-omap driver but only in omap_hsmmc.

OK I think that's leftover from the earier use of omap_hsmmc.

Can you check that you have the dts property non-removable set for the emmc?

Regards,

Tony