net: wan: fsl_qmc_hdlc: Add framer support
Add framer support in the fsl_qmc_hdlc driver in order to be able to
signal carrier changes to the network stack based on the framer status
Also use this framer to provide information related to the E1/T1 line
interface on IF_GET_IFACE and configure the line interface according to
IF_IFACE_{E1,T1} information.
Signed-off-by: Herve Codina <[email protected]>
Reviewed-by: Christophe Leroy <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>