z8530_dma_status

Name

z8530_dma_status --  Handle a DMA status exception

Synopsis

void z8530_dma_status (struct z8530_channel * chan);

Arguments

chan

Z8530 channel to process

Description

A status event occured on the Z8530. We receive these for two reasons when in DMA mode. Firstly if we finished a packet transfer we get one and kick the next packet out. Secondly we may see a DCD change and have to poke the protocol layer.