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specific range
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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specific range
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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specific range
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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in specific range
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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MAX77686_REGULATORS is known in compile time.
Use array to save pointer to rdev makes the code simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Initialize config.of_node for regulator before registering.
This is needed for DT based regulator support.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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To set REGULATOR_MODE_IDLE mode, what we do is to clear DC1_ACTIVE and
DC1_SLEEP bits, this can be done in one wm8400_set_bits() call.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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wm831x_reg_read() returns negative error code on failure.
This prevents using the error code as the value read.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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regulator_[enable|disable|is_enabled|get_voltage_sel]_regmap
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Below is the buck_pmap mapping table:
BUCK1: mask = 1 << 0, shift = 0
BUCK2: mask = 1 << 1, shift = 1
BUCK3: mask = 1 << 2, shift = 2
BUCK4: mask = 1 << 3, shift = 3
The mask and shift can be easily calculated by:
mask = 1 << BUCK_ID
shift = BUCK_ID
This patch defines BUCK_FPWM_MASK and BUCK_FPWM_SHIFT macros to replace
buck_pmap mapping table.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Tested-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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We already know the mask in lp8788_init_dvs() function, and we can update
the corresponding bit for default_dvs_mode in lp8788_init_dvs() function.
This function looks not necessary to me.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Tested-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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For fixed voltage, the n_voltages should be 1 rather than 0.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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mc13892_sw_regulator_set_voltage_sel()
Use mc13xxx_reg_rmw rather than a mc13xxx_reg_read and a mc13xxx_reg_write calls.
This logic to set MC13892_SWITCHERS0_SWxHI bit is pretty simple:
if (volt > 1375000)
set MC13892_SWITCHERS0_SWxHI bit
else if (volt < 1100000)
clear MC13892_SWITCHERS0_SWxHI bit
else
leave MC13892_SWITCHERS0_SWxHI bit untouched
We already know the selector, so we don't need to calculate the selector again.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Then we can remove lock/unlock around the caller.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Then we can remove lock/unlock around the caller.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The voltage selection logic is supposed to find the samllest voltage falls
within specified range. When using equation to calculate vsel, we need to
ensure the requested min_uV meet the range of using the equation.
Otherwise we may select a voltage that is out of specified range.
For example, in the case vsel = 62 means select voltage of 2100000uV.
What we want is to ensure the requested min_uV <= 2100000 rather than checking
max_uV >= 2100000. And this also means in the case min_uV > 2100000, vsel = 62
does not meet the request.
Also calling twl6030smps_list_voltage() for all cases to ensure the selected
voltage still in bounds.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This was missing until now and the underlying
_regulator_do_set_voltage is using this value when calling list_voltage.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The number of regulator is known at compile time, use array to save pointer to
rdev makes the code simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Regulator platform data handling was mistakenly added to MFD
driver. So we will see build errors if we compile MFD drivers
without CONFIG_REGULATOR. This patch moves regulator platform
data handling from TPS65217 MFD driver to regulator driver.
This makes MFD driver independent of REGULATOR framework so
build error is fixed if CONFIG_REGULATOR is not set.
drivers/built-in.o: In function `tps65217_probe':
tps65217.c:(.devinit.text+0x13e37): undefined reference
to `of_regulator_match'
This patch also fix allocation size of tps65217 platform data.
Current implementation allocates a struct tps65217_board for each
regulator specified in the device tree. But the structure itself
provides array of regulators so one instance of it is sufficient.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
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Regulator platform data handling was mistakenly added to MFD
driver. So we will see build errors if we compile MFD drivers
without CONFIG_REGULATOR. This patch moves regulator platform
data handling from TPS65217 MFD driver to regulator driver.
This makes MFD driver independent of REGULATOR framework so
build error is fixed if CONFIG_REGULATOR is not set.
drivers/built-in.o: In function `tps65217_probe':
tps65217.c:(.devinit.text+0x13e37): undefined reference
to `of_regulator_match'
This patch also fix allocation size of tps65217 platform data.
Current implementation allocates a struct tps65217_board for each
regulator specified in the device tree. But the structure itself
provides array of regulators so one instance of it is sufficient.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
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flush[_delayed]_work_sync() are now spurious. Mark them deprecated
and convert all users to flush[_delayed]_work().
If you're cc'd and wondering what's going on: Now all workqueues are
non-reentrant and the regular flushes guarantee that the work item is
not pending or running on any CPU on return, so there's no reason to
use the sync flushes at all and they're going away.
This patch doesn't make any functional difference.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Mattia Dongili <malattia@linux.it>
Cc: Kent Yoder <key@linux.vnet.ibm.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: Bryan Wu <bryan.wu@canonical.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Alasdair Kergon <agk@redhat.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-wireless@vger.kernel.org
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: Sangbeom Kim <sbkim73@samsung.com>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Petr Vandrovec <petr@vandrovec.name>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Avi Kivity <avi@redhat.com>
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Fix regulator kernel-doc warnings:
Warning(drivers/regulator/core.c:2308): No description found for parameter 'rdev'
Warning(drivers/regulator/core.c:2308): Excess function parameter 'regulator' description in 'regulator_set_voltage_time_sel'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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It seems commit 2098e95ce9bb039ff2e7bf836df358d18a176139 (regulator: twl:
adapt twl-regulator driver to dt) accidentally deleted VINTANA1. Also
the same commit defines VINTANA2 twice with TWL4030_ADJUSTABLE_LDO and
TWL4030_FIXED_LDO. This patch changes the fixed one to be VINTANA1.
I noticed this when auditing my N900 boot logs. I could not notice any
change in device behaviour, though, except that the boot logs are now
like before:
...
[ 0.282928] VDAC: 1800 mV normal standby
[ 0.284027] VCSI: 1800 mV normal standby
[ 0.285400] VINTANA1: 1500 mV normal standby
[ 0.286865] VINTANA2: 2750 mV normal standby
[ 0.288208] VINTDIG: 1500 mV normal standby
[ 0.289978] VSDI_CSI: 1800 mV normal standby
...
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
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Commit 65f735082de3 ("regulator: core: Add core support for GPIO controlled
enable lines") introduced enable gpio entry in regulator configuration
structure. Some drivers use '-1' as a placeholder for marking that such
gpio line is not available, because '0' is considered as a valid gpio
number. This patch fixes initialization of such drivers (like MAX8952
on UniversalC210 board), when '-1' is provided as enable gpio pin in the
regulator's platform data.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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If the regulator doesn't supply a way of reading back the voltage but does
provide a list_voltage() operation then use that with a selector of zero
to read the voltage. Regulators doing this means that we have the list
operation there for consumers that want to configure themselves.
Reported-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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It's not referenced anywhere any more and the compiler notices.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This prevents the output of just
dummy:
in the boot log. Now it says:
regulator-dummy: no parameters
which at least doesn't make it look like an accidental printk and also doesn't
only use "dummy" which could mean anything.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Originally gpio-regulator used the first item of its state list
that matched the given voltage or current range.
Commit 4dbd8f63f0 (regulator: gpio-regulator: Set the smallest voltage/current
in the specified range) changed this, to make the selection independent of
the ordering of the state list.
But selecting the minimal value is only true for voltage regulators.
For current regulators the maximum in the given range should be
selected instead.
Therefore split the previous common selection function into specific
functions for voltage and current regulators.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The conversion to voltage tables in
commit a3beb74261f26142019847128b2441b0301797ac
"regulator: ab3100: Use regulator_list_voltage_table()"
missed to add the voltage table to the buck. Fix this and
it works like a charm.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The mask used in anatop_get_voltage_sel does not match the mask used in
anatop_set_voltage_sel.
We need to do left shift anatop_reg->vol_bit_shift bits for the correct mask.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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As per datasheet, the vin pin for the regulator is named
as vin_sm0, vin_sm1, vin_sm2 for sm0, sm1 and sm2 respectively.
Correcting the names in driver and documentation to match with
datasheet.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reported-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Fix below error handling cases:
1. If reading PALMAS_SMPS_CTRL fails, simply returns ret rather than goto
err_unregister_regulator because we have not call regulator_register().
2. If palmas_ldo_init() fails, we need to call regulator_unregister() for the
regulator we just successfully registered in this for loop iteration.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Current code uses wrong calls palmas_smps_[read|write] in palmas_ldo_init(),
should be palmas_ldo_[read|write] instead.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This patch fixes below issues when choosing selector:
1. Current code returns negative selector if min_uV < 900000 which is wrong.
For example, it is possible to satisfy the request with selector = 1 if
the requested min_uV is 850000.
2. Current code may select a voltage lower than requested min_uV.
For example, if the requested min_uV is 945000, current code chooses
selector = 1 which is lower than requested min_uV.
DIV_ROUND_UP to avoid this case.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This is to address the following warning during compilation time: (Compile on x86_64)
CC drivers/regulator/core.o
drivers/regulator/core.c: In function '_regulator_do_set_voltage':
drivers/regulator/core.c:2183:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
This patch adds a temporary variable to avoid double cast.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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When registering the regulator and setting supply for the regulator
then increment open_count to reflect correct number of users.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Too many thens in the if...then clause.
Reported-by: Michael Jones <michael.jones@matrix-vision.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Due to a merge conflict we are getting this:
drivers/regulator/s5m8767.c: In function ‘s5m8767_pmic_probe’:
drivers/regulator/s5m8767.c:575:2: error: implicit declaration of function
‘s5m_reg_write’ [-Werror=implicit-function-declaration]
This is fixed by fully converting this driver to the new s5m API.
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFD bits from Samuel Ortiz:
"We have support for a few new drivers:
- Samsung s2mps11
- Wolfson Microelectronics wm5102 and wm5110
- Marvell 88PM800 and 88PM805
- TI twl6041
We also have our regular driver improvements:
- Device tree and IRQ domain support for STE AB8500
- Regmap and devm_* API conversion for TI tps6586x
- Device tree support for Samsung max77686
- devm_* API conversion for STE AB3100
Besides that, quite a lot of fixing and cleanup for mc13xxx, tps65910,
tps65090, da9052 and twl-core."
Fix up mostly trivial conflicts, with the exception of
drivers/usb/host/ehci-omap.c in particular, which had some
re-organization of the reset sequence (commit 1a49e2ac9651: "EHCI:
centralize controller initialization") that clashed with commit
2761a6394516 ("mfd: USB: Fix the omap-usb EHCI ULPI PHY reset fix
issues").
In particular, commit 2761a6394516 moved the usb_add_hcd() to the
*middle* of the reset sequence, which clashes fairly badly with the
reset sequence re-organization (although it could have been done inside
the new omap_ehci_init() function).
I left that part of commit 2761a6394516 just undone.
* tag 'mfd-3.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (110 commits)
mfd: Ensure AB8500 platform data is passed through db8500-prcmu to MFD Core
mfd: Arizone core should select MFD_CORE
mfd: Fix arizona-irq.c build by selecting REGMAP_IRQ
mfd: Add debug trace on entering and leaving arizone runtime suspend
mfd: Correct tps65090 cell names
mfd: Remove gpio support from tps6586x core driver
ARM: tegra: defconfig: Enable tps6586x gpio
gpio: tps6586x: Add gpio support through platform driver
mfd: Cache tps6586x register through regmap
mfd: Use regmap for tps6586x register access.
mfd: Use devm managed resources for tps6586x
input: Add onkey support for 88PM80X PMIC
mfd: Add support for twl6041
mfd: Fix twl6040 revision information
mfd: Matches should be NULL when populate anatop child devices
input: ab8500-ponkey: Create AB8500 domain IRQ mapping
mfd: Add missing out of memory check for pcf50633
Documentation: Describe the AB8500 Device Tree bindings
mfd: Add tps65910 32-kHz-crystal-input init
mfd: Drop modifying mc13xxx driver's id_table in probe
...
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Pull first round of SCSI updates from James Bottomley:
"The most important feature of this patch set is the new async
infrastructure that makes sure async_synchronize_full() synchronizes
all domains and allows us to remove all the hacks (like having
scsi_complete_async_scans() in the device base code) and means that
the async infrastructure will "just work" in future.
The rest is assorted driver updates (aacraid, bnx2fc, virto-scsi,
megaraid, bfa, lpfc, qla2xxx, qla4xxx) plus a lot of infrastructure
work in sas and FC.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (97 commits)
[SCSI] Revert "[SCSI] fix async probe regression"
[SCSI] cleanup usages of scsi_complete_async_scans
[SCSI] queue async scan work to an async_schedule domain
[SCSI] async: make async_synchronize_full() flush all work regardless of domain
[SCSI] async: introduce 'async_domain' type
[SCSI] bfa: Fix to set correct return error codes and misc cleanup.
[SCSI] aacraid: Series 7 Async. (performance) mode support
[SCSI] aha152x: Allow use on 64bit systems
[SCSI] virtio-scsi: Add vdrv->scan for post VIRTIO_CONFIG_S_DRIVER_OK LUN scanning
[SCSI] bfa: squelch lockdep complaint with a spin_lock_init
[SCSI] qla2xxx: remove unnecessary reads of PCI_CAP_ID_EXP
[SCSI] qla4xxx: remove unnecessary read of PCI_CAP_ID_EXP
[SCSI] ufs: fix incorrect return value about SUCCESS and FAILED
[SCSI] ufs: reverse the ufshcd_is_device_present logic
[SCSI] ufs: use module_pci_driver
[SCSI] usb-storage: update usb devices for write cache quirk in quirk list.
[SCSI] usb-storage: add support for write cache quirk
[SCSI] set to WCE if usb cache quirk is present.
[SCSI] virtio-scsi: hotplug support for virtio-scsi
[SCSI] virtio-scsi: split scatterlist per target
...
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regulator-next
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TI LP8788 PMU has 4 BUCKS and 22 LDOs.
The voltage of BUCK1 and BUCK2 can be controlled by external gpios.
And some LDOs also can be enabled by external gpios.
The regmap interface is used for regulator operations.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This function does not exist, remove the extern function declaration.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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