Re: [PATCH] powerpc: Enable CPU_FTR_NEED_COHERENT for MPC52xx

2009-03-17 Thread Kumar Gala
On Mar 17, 2009, at 8:45 AM, Grant Likely wrote: On Tue, Mar 17, 2009 at 6:10 AM, Kumar Gala wrote: On Mar 16, 2009, at 11:43 PM, Grant Likely wrote: diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cput index 4911104..48d7f5f 100644 --- a/arch/powerpc/include/asm

Re: [PATCH] powerpc: Enable CPU_FTR_NEED_COHERENT for MPC52xx

2009-03-17 Thread Grant Likely
On Tue, Mar 17, 2009 at 6:10 AM, Kumar Gala wrote: > On Mar 16, 2009, at 11:43 PM, Grant Likely wrote: >> diff --git a/arch/powerpc/include/asm/cputable.h >> b/arch/powerpc/include/asm/cput >> index 4911104..48d7f5f 100644 >> --- a/arch/powerpc/include/asm/cputable.h >> +++ b/arch/powerpc/include/

Re: [PATCH] powerpc: Enable CPU_FTR_NEED_COHERENT for MPC52xx

2009-03-17 Thread Kumar Gala
On Mar 16, 2009, at 11:43 PM, Grant Likely wrote: On Mon, Mar 16, 2009 at 9:54 PM, Grant Likely > wrote: On Mon, Mar 16, 2009 at 4:05 AM, Piotr Ziecik wrote: BestComm, a DMA engine in MPC52xx SoC, requires snooping when CPU caches are enabled to work properly. Adding CPU_FTR_NEED_COHERENT f

Re: [PATCH] powerpc: Enable CPU_FTR_NEED_COHERENT for MPC52xx

2009-03-16 Thread Grant Likely
On Mon, Mar 16, 2009 at 9:54 PM, Grant Likely wrote: > On Mon, Mar 16, 2009 at 4:05 AM, Piotr Ziecik wrote: >> BestComm, a DMA engine in MPC52xx SoC, requires snooping when >> CPU caches are enabled to work properly. >> >> Adding CPU_FTR_NEED_COHERENT fixes NFS problems on MPC52xx machines >> int

Re: [PATCH] powerpc: Enable CPU_FTR_NEED_COHERENT for MPC52xx

2009-03-16 Thread Grant Likely
On Mon, Mar 16, 2009 at 4:05 AM, Piotr Ziecik wrote: > BestComm, a DMA engine in MPC52xx SoC, requires snooping when > CPU caches are enabled to work properly. > > Adding CPU_FTR_NEED_COHERENT fixes NFS problems on MPC52xx machines > introduced by 'powerpc/mm: Fix handling of _PAGE_COHERENT in BAT

[PATCH] powerpc: Enable CPU_FTR_NEED_COHERENT for MPC52xx

2009-03-16 Thread Piotr Ziecik
BestComm, a DMA engine in MPC52xx SoC, requires snooping when CPU caches are enabled to work properly. Adding CPU_FTR_NEED_COHERENT fixes NFS problems on MPC52xx machines introduced by 'powerpc/mm: Fix handling of _PAGE_COHERENT in BAT setup code'. Signed-off-by: Piotr Ziecik --- This patch was