On Mon, Apr 13, 2015 at 05:56:22AM +0000, Yioryos Asprobounitis wrote: > James wrote: > > To check, make sure the laptop is unlocked, and add this to the > > second line of the boot/olpc.fth file: > > > > dev /sd patch 2drop cb! sdhci-card-power-off dend > > Does this keep the SD slot powered only when is occupied or > regardless?
Regardless, but only if the slot is powered up for access. > Does the OS takes over the SD slot power management after boot? Yes. The firmware driver is not used by the kernel. > If not, can OFW detect the presence of an external SDcard early, and > keep it powered only then or detect its absence latter in the boot > sequence and revert? Not answered. -- James Cameron http://quozl.linux.org.au/ _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
