diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-03-16 19:36:33 +0000 |
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committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2009-03-31 09:56:29 +0100 |
commit | 50f075963f127d713ff0c30359baefc0f89d9ae2 (patch) | |
tree | 71530114cd1b39cd54e6ba39626b7fde2acb6f0f /include/linux | |
parent | 52914eaa49bf732b091dbf5467ce4c7507c2d32a (diff) |
regulator: Don't increment use_count for boot_on regulators
Don't set use_count for regulators that are enabled at boot since this
stops the supply being disabled by well-behaved consumers which do
balanced enables and disabled. Any consumers which don't do disables
which are not matched by enables are unable to share regulators - shared
regulators are the common case so the API should facilitate them.
Consumers that want to disable regulators that are enabled when they
start have two options:
- Do a regulator_enable() prior to the disable to bring the use count
in sync with the hardware state; this will ensure that if the
regulator was enabled by another driver then this consumer will play
nicely with it.
- Use regulator_force_disable(); this explicitly bypasses any checks
done by the core and documents the inability of the driver to share
the supply.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions