Dear Vivek Gautam, > Power on root hubs' ports only when they are not yet powered on. > Its seen with USB 3.0 ports that they are powered on after > a H/W reset, as also reflected in XHCI spec (sec 4.3): > "After a Chip Hardware Reset, HCRST, or commanded to the > PLS = RxDetect state, all Root Hub ports shall be in Disconnected > state, i.e. the port is powered on (PP = 1)" > > Signed-off-by: Amar <amarendra...@samsung.com> > Signed-off-by: Vivek Gautam <gautam.vi...@samsung.com>
Just wondering if we shouldn't power-cycle all the ports instead -- aka. turn them off and then turn all of them on again. Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
