Re: [Linux-ia64] Proper fix for sym53c8xx_2 driver and dma64_addr_t

From: Christoph Hellwig (hch@caldera.de)
Date: Wed Feb 06 2002 - 12:15:16 EST

On Wed, Feb 06, 2002 at 06:10:42PM +0100, Christoph Hellwig wrote:
> On Wed, Feb 06, 2002 at 12:45:03AM -0800, David S. Miller wrote:
> > It is not using the DMA apis correctly then, it should be using
> > dma_addr_t which may or may not be 64-bits on a given platform.
>
> When the sym2 driver is configured with SYM_CONF_DMA_ADDRESSING_MOD > 1
> it uses DAC accessing and needs dma64_addr_t. It doesn't use it
> when using the default addressing mode.

Sorry, it doesn't use the _dac_ APIs. Still I'm the opinion that either
architecture should support dma64_addr_t or we need a HAVE_PCI_DAC_API
define.

        Christoph 

-- 
Of course it doesn't work. We've performed a software upgrade.
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