Hi, I am on an 862. Anyway I can't find another definition of dma_cache_inv() but the NO OP in asm-ppc/io.h. Could you give me e hint where it is defined in your kernel?
Thanks, Stephan > -----Original Message----- > From: Joakim Tjernlund [mailto:joakim.tjernlund at lumentis.se] > Sent: Montag, 3. Februar 2003 18:23 > To: Stephan Linke > Subject: RE: [PATCH] arch/ppc/8xx_io/enet.c, version 3 > > > > Hi Jocke, > > > > in your latest patch you are using dma_cache_inv() instead of > > invalidate_dcache_range(). > > The only dma_cache_inv() I can find is in include/asm-ppc/io.h. and it's a > > "do{}while(0)". > > Are you shure that this was your intention? It seames to me like you could > > remove that call as well. > > I guess you are on 8260? On 8260 there is no need for > invalidate_dcache_range() since > it's the CPM is cache coherent. On 8xx it is not cache coherent. I switched > to dma_cache_inv() because it's a no op on 8260 and a > invalidate_dcache_range() on 8xx so > it would be easy to adapt the patch to both CPU's. > > Jocke > > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
