Implementation of _bus_dmamap_load_raw for MIPs

[Vennila <vennila.arumugam%gmail.com@localhost>]

Hi,

In current release, implementation of _bus_dmamap_load_raw() for MIPs in
/sys/arch/mips/mips/bus_dma.c is MISSING. 

int
_bus_dmamap_load_raw(bus_dma_tag_t t, bus_dmamap_t map,
    bus_dma_segment_t *segs, int nsegs, bus_size_t size, int flags)
{

        panic("_bus_dmamap_load_raw: not implemented");
}

But it is used by WLAN code.
Reference:
In sys/dev/ic/arn9003.c, ar9003_dma_alloc() => ar9003_tx_alloc() =>
bus_dmamap_load_raw()

Please help us to get implementation of bus_dmamap_load_raw() by providing
the required commit details.

Thanks & Regards,
Vennila



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