On Wed, Jul 29, 2015 at 06:23:32PM +0800, Qipeng Zha wrote: > According to DesignWare 8250 spec, if auto flow control > mode is enabled, a change in CTS does not cause an interrupt, > so sw-assisted CTS flow control mode will not work properly. > > There reported an GPS firmware download failure issue, and we > verified the root cause is, the default sw-assisted CTS flow > control mode can not work properly since no interrupt when got > CTS signal. > > This patch is to enable auto CTS mode by defaut if CRTSCTS > is enable for DesignWare 8250 controller. > > Signed-off-by: Huiquan Zhong <huiquan.zhong@xxxxxxxxx> > Signed-off-by: Qipeng Zha <qipeng.zha@xxxxxxxxx> The subject line does not specify that this patch only affects Designware UARTs, but in any case, FWIW: Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> Thanks, -- heikki -- 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
