On Tue, Aug 23, 2016 at 08:05:19PM +0100, Robin Murphy wrote: > Rather than assuming fixed worst-case values for stream IDs and SMR > masks, keep track of whatever implemented bits the hardware actually > reports. This also obviates the slightly questionable validation of SMR > fields in isolation - rather than aborting the whole SMMU probe for a > hardware configuration which is still architecturally valid, we can > simply refuse masters later if they try to claim an unrepresentable ID > or mask (which almost certainly implies a DT error anyway). > > Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx> > --- > drivers/iommu/arm-smmu.c | 43 ++++++++++++++++++++++--------------------- > 1 file changed, 22 insertions(+), 21 deletions(-) Looks good to me: Acked-by: Will Deacon <will.deacon@xxxxxxx> Will -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html