Re: [PATCH v9] iopoll: Introduce memory-mapped IO polling macros

2014-12-15 Thread Mitchel Humpherys
On Mon, Dec 15 2014 at 03:31:20 PM, Mitchel Humpherys wrote: > From: Matt Wagantall > > 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

[PATCH v9] iopoll: Introduce memory-mapped IO polling macros

2014-12-15 Thread Mitchel Humpherys
From: Matt Wagantall 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 Cc: Will Deacon