Hi, On Wednesday 22 July 2015 10:32 PM, Grygorii Strashko wrote: > +Cc: Kishon Vijay Abraham I <kishon@xxxxxx> > > On 07/22/2015 07:48 PM, Grygorii Strashko wrote: >> Hi Tony, Tero, All, >> >> It seems MMC PBIAS regulator functionality is broken now (on DRA7 at least). >> >> 1) On DRA7 I can see that "pbias_regulator: pbias_regulator" device is not >> registered. It happens because pbias_mmc_reg is defined in DT as child >> of scm_conf: scm_conf@0 which is "syscon" and, as result, it's not populated >> neither by of_platform_populate neither by Syscon driver. >> >> scm_conf: scm_conf@0 { >> compatible = "syscon", "simple-bus"; >> reg = <0x0 0x1400>; >> #address-cells = <1>; >> #size-cells = <1>; >> >> pbias_regulator: pbias_regulator { >> >> >> 2) if I add "simple-bus" to scm_conf the "pbias_regulator: pbias_regulator" >> device will be registered >> scm_conf: scm_conf@0 { >> compatible = "syscon", "simple-bus"; >> but its probe will fail: >> [ 0.682549] pbias-regulator: probe of 4a002000.scm_conf:pbias_regulator failed with error -22 I have a fix for this. I'll post it to LO. Thanks Kishon -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html