Commit Graph

12 Commits

Author SHA1 Message Date
Matti Vaittinen
7111c6d1b3
regulator: IRQ based event/error notification helpers
Provide helper function for IC's implementing regulator notifications
when an IRQ fires. The helper also works for IRQs which can not be acked.
Helper can be set to disable the IRQ at handler and then re-enabling it
on delayed work later. The helper also adds regulator_get_error_flags()
errors in cache for the duration of IRQ disabling.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/ebdf86d8c22b924667ec2385330e30fcbfac0119.1622628334.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-21 13:08:40 +01:00
Lee Jones
a7c15187b3
regulator: devres: Standardise on function documentation headers
Line up descriptions, start description with a lower-case character and
omit old definitions such as quoting the old argument "consumer".

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200708124832.3441649-4-lee.jones@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-07-08 17:37:54 +01:00
Lee Jones
9565cccd64
regulator: devres: Fix issues with kerneldoc headers
Provide descriptions for some missing function args and
rename others to match the names used.

Fixes the following W=1 warning(s):

 drivers/regulator/devres.c:187: warning: Function parameter or member 'dev' not described in 'devm_regulator_register'
 drivers/regulator/devres.c:226: warning: Function parameter or member 'dev' not described in 'devm_regulator_unregister'
 drivers/regulator/devres.c:226: warning: Function parameter or member 'rdev' not described in 'devm_regulator_unregister'
 drivers/regulator/devres.c:226: warning: Excess function parameter 'regulator' description in 'devm_regulator_unregister'

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200708124832.3441649-2-lee.jones@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-07-08 17:37:52 +01:00
Thomas Gleixner
2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00
Dmitry Torokhov
3eaeb47563 regulator: core: optimize devm_regulator_bulk_get()
When performing this bulk operation, there is no need to track every supply
individually. It is more efficient to treat entire group as a single
managed resource.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-02-04 11:37:25 +01:00
Dmitry Torokhov
a8bd42a977 regulator: core: have _regulator_get() accept get_type argument
Instead of separate "exclusive" and "allow_dummy" arguments, that formed 3
valid combinations (normal, exclusive and optional) and an invalid one,
let's accept explicit "get_type", like we did in devm-managed code.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-02-04 11:31:52 +01:00
Bjorn Andersson
565f9b073f regulator: Remove support for optional supplies in the bulk API
The patch was based on my missinterpretation of the API and only
accidentally worked for me. Let's clean it out to not confuse others.

This reverts commit 3ff3f518a1.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-16 20:00:44 +01:00
Bjorn Andersson
3ff3f518a1 regulator: Make bulk API support optional supplies
Make it possible to use the bulk API with optional supplies, by allowing
the consumer to marking supplies as optional in the regulator_bulk_data.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-11-17 18:54:07 +00:00
Charles Keepax
046db763aa regulator: core: Add devres versions of notifier registration
Add devm_regulator_register_notifier, this adds the resource against the
device for the consumer supply we are registering the notifier for. There
seem to be few use-cases where this wouldn't be the users intention and
this ensures the notifiers will always be removed at the correct time.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-05 16:42:14 +00:00
Lee Jones
9f8c0fe954 regulator: Constify the pointer to alias name array
Toughen-up checks for read-only regulator names.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-23 18:55:23 +01:00
Charles Keepax
a06ccd9c37 regulator: core: Add ability to create a lookup alias for supply
These patches add the ability to create an alternative device on which
a lookup for a certain supply should be conducted.

A common use-case for this would be devices that are logically
represented as a collection of drivers within Linux but are are
presented as a single device from device tree. It this case it is
necessary for each sub device to locate their supply data on the main
device.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-10-18 00:56:05 +01:00
Mark Brown
0cdfcc0f93 regulator: core: Split devres code out into a separate file
Cut down on the size of core.c a bit more and ensure that the devres
versions of things don't do too much peering inside the internals of
the APIs they wrap.

Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-17 00:28:45 +01:00