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). I just did an unbind on my system: $ echo e804e800.sd > /sys/bus/platform/drivers/sh_mobile_sdhi/unbind Looks like sh_mobile_sdhi_remove() is called, but sh_mobile_sdhi_clk_disable() is not. So, should sh_mobile_sdhi_remove() be changed to call sh_mobile_sdhi_clk_disable()? Chris
