[...] >> > >> > Can you test this patch on imx SoC ? >> > >> >> (Your email have some format issue.) > > Yeah missed to sent in plain text mode. > >> >> I have tested this patch and it does not break imx SoC. >> You can add my tag. >> Tested-by: Dong Aisheng <aisheng.dong@xxxxxxxxxxxxx> > > Thanks Dong !! > >> >> However, it looks to me SDHCI_CAN_VDD_180 is only indicating the host VDD >> capabiliies, not IO voltage capability. I think Dong is correct. I don't think SDHCI_CAN_VDD_180 is not related to UHS modes at all. At least the name of the field (SDHCI_CAN_VDD_180) indicates it's about VDD/VCC, the core power and not the IO voltage. > Are you sure on this ?? If SDHCI host VDD is 1.8V then the cards are > also capable to operate at 1.8V ? Didn't understand what you mean by > IO voltage capability > > >> SD3.0 cards require 1.8v IO voltage support. >> So should this bit affect SD3.0 support? > > The preset value resgister says that SDR modes requires 1.8V and we > disable the modes based on capability or quirk. It requires 1.8V *IO voltage*, not VDD/VCC. [...] Kind regards Uffe -- 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
