From: Ondrej Zary <[email protected]> Date: Sat, 21 Mar 2015 11:29:37 +0100
> When the device is powered up, some (older) firmware versions fail to work > properly if we send commands before the boot is complete (everything is OK > when the device is hot-plugged). The firmware indicates its ready status by > putting the link up. > Newer firmwares delay the first command so they don't suffer from this > problem. > They also report the link being always up. > > Wait for firmware to become ready (link up) before sending any commands and/or > data. > > This also allows lowering CMD_TIMEOUT value to a reasonable time. > > Tested with 4.1.0.9 (old) and 4.1.0.30 (new) firmware versions. > > Signed-off-by: Ondrej Zary <[email protected]> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
