On Mon, Aug 13, 2012 at 01:43:15PM +0100, Alan Cox wrote: > From: xiaojin <jin.xiao@xxxxxxxxx> > > In 3GPP27.010 5.8.1, it defined: > The TE multiplexer initiates the establishment of the multiplexer control channel by sending a SABM frame on DLCI 0 using the procedures of clause 5.4.1. > Once the multiplexer channel is established other DLCs may be established using the procedures of clause 5.4.1. > This patch implement 5.8.1 in MUX level, it make sure DLC0 is the first channel to be setup. > > [or for those not familiar with the specification: it was possible to try > and open a data connection while the control channel was not yet fully > open, which is a spec violation and confuses some modems] > > Signed-off-by: xiaojin <jin.xiao@xxxxxxxxx> > Tested-by: Yin, Fengwei <fengwei.yin@xxxxxxxxx> > [tweaked the order we check things and error code] > Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx> > Cc: The Horsebox <stable@xxxxxxxxxx> In the future, it's <stable@xxxxxxxxxxxxxxx>, I can catch these addresses, but it's not as automated. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
