Hi, On Wednesday 22 July 2015 05:37 PM, Ulf Hansson wrote: > [...] > >> Hi Ulf, >> >> Just to clarify do you have an issue with this patch or in general >> you rather nothave !CONFIG_REGULATOR supported? If its the latter >> then wouldit be better to remove the !CONFIG_REGULATOR portion from >> this driver all together. > > I don't like this patch as is, as it seems like you are replacing the > VMMC regulator that actually exist in HW by parsing a DT property. > > I think mmc_of_parse_voltage() shall *only* be used when the OCR mask > (->ocr_avail) can't be fetched by using a regulator. Typically that's > when the VMMC voltage levels are managed within the mmc controller > itself. > > I don't have a strong opinion on how you solve that, but I guess you > have two options. > > 1. > Make sure the driver can be build and used both for CONFIG_REGULATOR > and !CONFIG_REGULATOR. What you need to take care of then, is to > assign the ->ocr_avail mask to a default value in the case when it > can't be fetched from a regulator. Most mmc drivers has some kind of > fall-back mechanism like this. I'm working on cleaning up omap_hsmmc driver where I have taken care to avoid dependency with CONFIG_REGULATOR. I'll post the series asap. Thanks Kishon -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
