Name

mpc85xx_rio_doorbell_init — MPC85xx doorbell interface init

Synopsis

int mpc85xx_rio_doorbell_init (struct rio_mport * mport);

Arguments

mport

Master port implementing the inbound doorbell unit

Description

Initializes doorbell unit hardware and inbound DMA buffer ring. Called from mpc85xx_rio_setup. Returns 0 on success or -ENOMEM on failure.