diff options
| author | Stephen Warren <swarren@nvidia.com> | 2012-04-04 17:48:28 -0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-06 05:47:34 -0400 |
| commit | bacdbe077342ecc9e7b3e374cc5a41995116706a (patch) | |
| tree | b5cf9547a0ab4a7fba287a3d654d132869057afa /REPORTING-BUGS | |
| parent | 0135bbcc7a0cc056f0203ff839466236b8e3dc19 (diff) | |
regmap: introduce fast_io busses, and use a spinlock for them
Some bus types have very fast IO. For these, acquiring a mutex for every
IO operation is a significant overhead. Allow busses to indicate their IO
is fast, and enhance regmap to use a spinlock for those busses.
[Currently limited to native endian registers -- broonie]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'REPORTING-BUGS')
0 files changed, 0 insertions, 0 deletions