Messages in this thread | | | Date | Fri, 18 Jun 2004 19:32:53 -0400 | From | Jeff Garzik <> | Subject | Re: DMA API issues |
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James Bottomley wrote: > On Fri, 2004-06-18 at 18:26, Ian Molton wrote: > >>On Fri, 18 Jun 2004 17:08:03 -0400 >>Jeff Garzik <jgarzik@pobox.com> wrote: >> >>>You _might_ convince the kernel DMA gurus that this could be done by >>>creating a driver-specific bus, and pointing struct device to that >>>internal bus, but that seems like an awful lot of work as opposed to the >>>wrappers. >> >>Its an awful lot less work than re-writing all those drivers! > > > Every other driver bar this one already copes correctly with on chip > memory using the ioremap methods. That's why we're all wondering if it > isn't simpler to fix this driver.
Indeed... if the SRAM is accessible via ioremapped memory, DMA API shouldn't be needed.
Jeff
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