Re: [PATCH 357] Mac89x0 Ethernet

[Tony 'Nicoya' Mantler]

In article <19iRU-2Hc-43@xxxxxxxxxxxxxxxx>, Jeff Garzik <jgarzik@xxxxxxxxx> 
wrote:

: > +	/* Write the contents of the packet */
: > +	memcpy((void *)(dev->mem_start + PP_TxFrame), skb->data, skb->len+1);
: 
: Is dev->mem_start DMA memory?

Old macs (with a few oddball exceptions) don't do DMA. dev->mem_start points to 
the start of the card's NuBus-ish space, which the frame is being copied into in 
this case.


Cheers - Tony 'Nicoya' Mantler :)

-- 
Tony 'Nicoya' Mantler -- Master of Code-fu -- nicoya@xxxxxx
--  http://nicoya.feline.pp.se/  --  http://www.ubb.ca/  --
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