On Thu, Jun 13, 2013 at 03:19:58PM +0200, Nicolas Ferre wrote: > On 08/06/2013 04:17, Wenyou Yang : >> Because MT_DEVICE is not executable in armv7, we change >> the internal SRAM memory type to MT_MEMORY_NONCACHED. >> As it seems that caching this internal SRAM memory is not necessary, >> we chose the this memory type. >> >> Signed-off-by: Wenyou Yang <wenyou.y...@atmel.com> > > Acked-by: Nicolas Ferre <nicolas.fe...@atmel.com> > > But Russell, can we have your advice on this as you made us re-think > about that during previous patch discussion?
I think this is fine - using MT_MEMORY_NONCACHED gets you a memory-like mapping instead of a strongly ordered or device mapping, but without caching issues, which is what you want here. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
