Subject: Re: bus_dmamap_sync not enough ?
To: Izumi Tsutsui <firstname.lastname@example.org>
From: Jason R Thorpe <email@example.com>
Date: 02/11/2003 17:58:11
On Tue, Feb 11, 2003 at 05:35:28PM -0800, Jason R Thorpe wrote:
> I think it's fair to classify the drivers which do not issue another
> dmamap_sync to be buggy ... I think it boils down to "someone noticed
> the bug on an ARM platform, and the fxp driver got fixed". The reason
> it's fair to classify the others as buggy is that the bus_dma(9) manual
> page states that a driver should not rely on BUS_DMA_COHERENT for correct
> operation, that is is merely a hint to the back-end.
...to further clarify, I think it would also be fair to say that all the
bugs of this nature are my fault :-)
-- Jason R. Thorpe <firstname.lastname@example.org>