Messages in this thread | | | From | Mitchel Humpherys <> | Subject | Re: [PATCH v9] iopoll: Introduce memory-mapped IO polling macros | Date | Mon, 15 Dec 2014 15:44:28 -0800 |
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On Mon, Dec 15 2014 at 03:31:20 PM, Mitchel Humpherys <mitchelh@codeaurora.org> wrote: > From: Matt Wagantall <mattw@codeaurora.org> > > 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 <thierry.reding@gmail.com> > Cc: Will Deacon <will.deacon@arm.com> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: Robert Elliott <elliott@hp.com> > Signed-off-by: Matt Wagantall <mattw@codeaurora.org> > Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org> > --- > v8..v9: > - Added note in comments about max sleep time (Rob Elliott)
Sorry, just noticed that I somehow dropped these additional comments that Rob requested... Let me send a v10 that actually includes them. Please ignore this version.
-Mitch
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