On Fri, 6 May 2011 23:08:03 -0400 Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > On Sat, May 07, 2011 at 09:05:50AM +0900, FUJITA Tomonori wrote: > > On Fri, 6 May 2011 09:49:25 -0400 > > Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > > > > > On Fri, May 06, 2011 at 09:30:03PM +0900, FUJITA Tomonori wrote: > > > > On Wed, 4 May 2011 20:13:37 +1200 > > > > Michael Cree <mcree@xxxxxxxxxxxx> wrote: > > > > > > > > > The radeon drm code now relies on DMA_ERROR_CODE. This defines > > > > > it in alpha dma-mapping header to at least enable me to compile > > > > > radeon drm/kms into kernel. > > > > > > > > > > Signed-off-by: Michael Cree <mcree@xxxxxxxxxxxx> > > > > > --- > > > > > arch/alpha/include/asm/dma-mapping.h | 2 ++ > > > > > 1 files changed, 2 insertions(+), 0 deletions(-) > > > > > > > > This isn't correct. The drivers should not use DMA_ERROR_CODE directly > > > > (some architecture specific drivers use it though). Fix rademon > > > > drm/kms instead. > > > > > > What would be a proper value for non-existent bus addresses? As in the value > > > had not been set? 0? > > > > Zero is a valid DMA address for some devices. > > Ok, so what is an invalid DMA address? You are looking for a DMA address that is invalid for any device? If so, there is no such thing because as I wrote, it depends on how a device does DMA. -- To unsubscribe from this list: send the line "unsubscribe linux-alpha" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
