On Mon, Dec 15, 2014 at 11:47:23PM +0000, Mitchel Humpherys wrote: > From: Matt Wagantall <[email protected]> > > It is sometimes necessary to poll a memory-mapped register until its value > satisfies some condition. Introduce a family of convenience macros that do > this. Tight-looping, sleeping, and timing out can all be accomplished using > these macros. > > Cc: Thierry Reding <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: Arnd Bergmann <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Robert Elliott <[email protected]> > Signed-off-by: Matt Wagantall <[email protected]> > Signed-off-by: Mitchel Humpherys <[email protected]> > --- > v9..10: > - Actually added the comments mentioned in v8..v9 (doh!) > > v8..v9: > - Added note in comments about max sleep time (Rob Elliott) > > v7..v8: > - sorted helper macros by size (b, w, l, q) > - removed some of the more esoteric (or flat-out bogus) helper macros > > This patch was originally part of a series [1] for adding support for IOMMU > address translations through an ARM SMMU hardware register. The other > patch in the series (the one that actually uses these macros and implements > said hardware address translations) was Ack'd by the driver maintainer > there (Will Deacon) so I've pulled this patch out to avoid resending an > already Ack'd patch over and over again. > > In short, please see [1] for previous discussion and the first user of > these macros. > > Will also acked this patch in [2]. I didn't retain his Ack here because I > added to the macro comments.
You can keep the ack, it still looks good to me and I'm not really fussed about the comments. Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
