Hi Wolfram, On Tuesday, January 17, 2017, Wolfram Sang wrote: > > I have no idea if the SDHI driver disables the module clock when it is > > idle, but shouldn't the card detect clock be running all the time when > > the driver is bound to the device? > > Yes, it should. And for all instances with just one clock, this means this > main clock must be running. So, en-/disable functions are all about > suspend/resume and bind/unbind. (Huh, looks like the unbind part is > missing, though. Need to look closer). > > My take is: either we implement the power saving and handle the cd clock > seperately. Or we ignore the power saving for now and handle both clocks > as virtually one, i.e. en-/disable them at the same time. > > Doesn't make sense? I'll go with "ignore the power saving for now and handle both clocks as virtually one". I'll go give it a try and see how it works. Thanks, Chris -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html