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  1. 17 10月, 2010 5 次提交
    • J
      PM: Add sysfs attr for rechecking dev hash from PM trace · d33ac60b
      由 James Hogan 提交于 
      If the device which fails to resume is part of a loadable kernel module
it won't be checked at startup against the magic number stored in the
RTC.

Add a read-only sysfs attribute /sys/power/pm_trace_dev_match which
contains a list of newline separated devices (usually just the one)
which currently match the last magic number. This allows the device
which is failing to resume to be found after the modules are loaded
again.
Signed-off-by: NJames Hogan <james@albanarts.com>
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
      d33ac60b
    • A
      PM / Runtime: Implement autosuspend support · 15bcb91d
      由 Alan Stern 提交于 
      This patch (as1427) implements the "autosuspend" facility for runtime
PM.  A few new fields are added to the dev_pm_info structure and
several new PM helper functions are defined, for telling the PM core
whether or not a device uses autosuspend, for setting the autosuspend
delay, and for marking periods of device activity.

Drivers that do not want to use autosuspend can continue using the
same helper functions as before; their behavior will not change.  In
addition, drivers supporting autosuspend can also call the old helper
functions to get the old behavior.

The details are all explained in Documentation/power/runtime_pm.txt
and Documentation/ABI/testing/sysfs-devices-power.
Signed-off-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
      15bcb91d
    • A
      PM / Runtime: Add no_callbacks flag · 7490e442
      由 Alan Stern 提交于 
      Some devices, such as USB interfaces, cannot be power-managed
independently of their parents, i.e., they cannot be put in low power
while the parent remains at full power.  This patch (as1425) creates a
new "no_callbacks" flag, which tells the PM core not to invoke the
runtime-PM callback routines for the such devices but instead to
assume that the callbacks always succeed.  In addition, the
non-debugging runtime-PM sysfs attributes for the devices are removed,
since they are pretty much meaningless.

The advantage of this scheme comes not so much from avoiding the
callbacks themselves, but rather from the fact that without the need
for a process context in which to run the callbacks, more work can be
done in interrupt context.
Signed-off-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
      7490e442
    • R
      PM / Hibernate: Make default image size depend on total RAM size · ac5c24ec
      由 Rafael J. Wysocki 提交于 
      The default hibernation image size is currently hard coded and euqal
to 500 MB, which is not a reasonable default on many contemporary
systems.  Make it equal 2/5 of the total RAM size (this is slightly
below the maximum, i.e. 1/2 of the total RAM size, and seems to be
generally suitable).
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
Tested-by: NM. Vefa Bicakci <bicave@superonline.com>
      ac5c24ec
    • B
      PM / Hibernate: Compress hibernation image with LZO · f996fc96
      由 Bojan Smojver 提交于 
      Compress hibernation image with LZO in order to save on I/O and
therefore time to hibernate/thaw.

[rjw: Added hibernate=nocompress command line option instead of just
 nocompress which would be confusing, fixed a couple of compiler
 warnings, fixed kerneldoc comments, minor cleanups.]
Signed-off-by: NBojan Smojver <bojan@rexursive.com>
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
      f996fc96
  3. 01 9月, 2010 1 次提交
  5. 04 8月, 2010 1 次提交
    • J
      Documentation: update broken web addresses. · 0ea6e611
      由 Justin P. Mattock 提交于 
      Below you will find an updated version from the original series bunching all patches into one big patch
updating broken web addresses that are located in Documentation/*
Some of the addresses date as far far back as 1995 etc... so searching became a bit difficult,
the best way to deal with these is to use web.archive.org to locate these addresses that are outdated.
Now there are also some addresses pointing to .spec files some are located, but some(after searching
on the companies site)where still no where to be found. In this case I just changed the address
to the company site this way the users can contact the company and they can locate them for the users.
Signed-off-by: NJustin P. Mattock <justinmattock@gmail.com>
Signed-off-by: NThomas Weber <weber@corscience.de>
Signed-off-by: NMike Frysinger <vapier.adi@gmail.com>
Cc: Paulo Marques <pmarques@grupopie.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Michael Neuling <mikey@neuling.org>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>
      0ea6e611
  7. 19 7月, 2010 1 次提交
  9. 19 5月, 2010 1 次提交
  11. 11 5月, 2010 4 次提交
  13. 23 4月, 2010 1 次提交
  15. 07 3月, 2010 2 次提交
    • R
      PM: Provide generic subsystem-level callbacks · d690b2cd
      由 Rafael J. Wysocki 提交于 
      There are subsystems whose power management callbacks only need to
invoke the callbacks provided by device drivers.  Still, their system
sleep PM callbacks should play well with the runtime PM callbacks,
so that devices suspended at run time can be left in that state for
a system sleep transition.

Provide a set of generic PM callbacks for such subsystems and
define convenience macros for populating dev_pm_ops structures.
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
      d690b2cd
    • R
      PM / Runtime: Document power.runtime_auto and related functions · 87d1b3e6
      由 Rafael J. Wysocki 提交于 
      The power.runtime_auto device flag and the helper functions
pm_runtime_allow() and pm_runtime_forbid() used to modify it are a
part of the run-time power management framework and therefore they
should be described in Documentation/power/runtime_pm.txt.
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
      87d1b3e6
  17. 05 2月, 2010 1 次提交
  19. 23 12月, 2009 2 次提交
  21. 06 12月, 2009 2 次提交
  23. 04 12月, 2009 1 次提交
  25. 23 9月, 2009 1 次提交
  27. 22 9月, 2009 3 次提交
  29. 23 8月, 2009 1 次提交
    • R
      PM: Introduce core framework for run-time PM of I/O devices (rev. 17) · 5e928f77
      由 Rafael J. Wysocki 提交于 
      Introduce a core framework for run-time power management of I/O
devices.  Add device run-time PM fields to 'struct dev_pm_info'
and device run-time PM callbacks to 'struct dev_pm_ops'.  Introduce
a run-time PM workqueue and define some device run-time PM helper
functions at the core level.  Document all these things.

Special thanks to Alan Stern for his help with the design and
multiple detailed reviews of the pereceding versions of this patch
and to Magnus Damm for testing feedback.
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
Acked-by: NMagnus Damm <damm@igel.co.jp>
      5e928f77
  31. 02 7月, 2009 1 次提交
  33. 01 7月, 2009 1 次提交
  35. 13 6月, 2009 2 次提交
  37. 17 10月, 2008 1 次提交
  39. 14 10月, 2008 1 次提交
    • L
      regulator: core - Rework machine API to remove string based functions. · a5766f11
      由 Liam Girdwood 提交于 
      This improves the machine level API in order to configure
regulator constraints and consumers as platform data and removes the
old string based API that required several calls to set up each regulator.

The intention is to create a struct regulator_init_data, populate
it's fields with constraints, consumers devices, etc and then register
the regulator device from board.c in the standard Linux way.

e.g. regulator LDO2 (supplying codec and sim) platform data.

/* regulator LDO2 consumer devices */
static struct regulator_consumer_supply ldo2_consumers[] = {
{
	.dev	= &platform_audio_device.dev,
	.supply	= "codec_avdd",
},
{
	.dev	= &platform_sim_device.dev,
	.supply	= "sim_vcc",
}
};

/* regulator LDO2 constraints  */
static struct regulator_init_data ldo2_data = {
	.constraints = {
		.min_uV = 3300000,
		.max_uV = 3300000,
		.valid_modes_mask = REGULATOR_MODE_NORMAL,
		.apply_uV = 1,
	},
	.num_consumer_supplies = ARRAY_SIZE(ldo2_consumers),
	.consumer_supplies = ldo2_consumers,
};

/* machine regulator devices with thier consumers and constraints */
static struct platform_device wm8350_regulator_devices[] = {
{
	.name = "wm8350-regulator",
	.id = WM8350_LDO_2,
	.dev = {
		.platform_data = &ldo2_data,
	},
},
};

Changes in detail:-

  o Removed all const char* regulator config functions in machine API.
  o Created new struct regulator_init_data to contain regulator
    machine configuration constraints and consmuers.
  o Changed set_supply(), set_machine_constraints(),
    set_consumer_device_supply() to remove their string identifier
    parameters. Also made them static and moved functions nearer top of
    core.c.
  o Removed no longer used inline func to_rdev()
  o Added regulator_get_init_drvdata() to retrieve init data.
  o Added struct device* as parameter to regulator_register().
  o Changed my email address.
Signed-off-by: NEric Miao <eric.miao@marvell.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NLiam Girdwood <lrg@slimlogic.co.uk>
      a5766f11
  41. 06 8月, 2008 1 次提交
  43. 30 7月, 2008 4 次提交
  45. 25 7月, 2008 1 次提交
  47. 13 5月, 2008 1 次提交