| Commit message (Collapse) | Author | Age | Files | Lines |
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We don't consider a failure to add the sysfs node as a problem,
so use sysfs_create_link_nowarn() so that we don't print a
backtrace when duplicated files exist. Also, downgrade the printk
message to a debug statement so that we're quiet here. This
allows multiple drivers to request a CPU's regulator so that
CPUfreq and AVSish drivers can coexist.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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and 'regulator/fix/wm831x' into regulator-linus
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Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
threaded IRQs without a primary handler need to be requested with
IRQF_ONESHOT, otherwise the request will fail.
So pass the IRQF_ONESHOT flag in this case.
The semantic patch that makes this change is available
in scripts/coccinelle/misc/irqf_oneshot.cocci.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The code should handle more than 32 bits here because "id"
can be a value up to MAX77686_REGULATORS (currently 34).
Convert the gpio_enabled type to DECLARE_BITMAP and use
test_bit/set_bit.
Fixes: 3307e9025d29 ("regulator: max77686: Add GPIO control")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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Fix typo in the samsung email address.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The function name in kernel-doc for regulator_map_voltage_linear_range()
was wrong.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The buffer for condtraints debug isn't big enough to hold the output
in all cases. So fix this issue by increasing the buffer.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org>
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We weren't taking into account the already used buffer when telling
sprintf() where to print to.
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix broken probe of da9052 regulators, which since commit b3f6c73db732
("mfd: da9052-core: Fix platform-device id collision") use a
non-deterministic platform-device id to retrieve static regulator
information. Fortunately, adequate error handling was in place so probe
would simply fail with an error message.
Update the mfd-cell ids to be zero-based and use those to identify the
cells when probing the regulator devices.
Fixes: b3f6c73db732 ("mfd: da9052-core: Fix platform-device id collision")
Cc: stable <stable@vger.kernel.org> # v3.19
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Changes to existing drivers:
- Rename child driver [axp288_battery => axp288_fuel_gauge]; axp20x
- Rename child driver [max77693-flash => max77693-led]; max77693
- Error handling fixes; intel_soc_pmic
- GPIO tweaking; intel_soc_pmic
- Remove non-DT code; vexpress-sysreg, tc3589x
- Remove unused/legacy code; ti_am335x_tscadc, rts5249, rtsx_gops, rtsx_pcr,
rtc-s5m, sec-core, max77693, menelaus,
wm5102-tables
- Trivial fixups; rtsx_pci, da9150-core, sec-core, max7769, max77693,
mc13xxx-core, dln2, hi6421-pmic-core, rk808, twl4030-power,
lpc_ich, menelaus, twl6040
- Update register/address values; rts5227, rts5249
- DT and/or binding document fixups; arizona, da9150, mt6397, axp20x,
qcom-rpm, qcom-spmi-pmic
- Couple of trivial core Kconfig fixups
- Remove use of seq_printf return value; ab8500-debugfs
- Remove __exit markups; menelaus, tps65010
- Fix platform-device name collisions; mfd-core
New drivers/supported devices:
- Add support for wm8280/wm8281 into arizona
- Add support for COMe-cBL6 into kempld-core
- Add support for rts524a and rts525a into rts5249
- Add support for ipq8064 into qcom_rpm
- Add support for extcon into axp20x
- New MediaTek MT6397 PMIC driver
- New Maxim MAX77843 PMIC dirver
- New Intel Quark X1000 I2C-GPIO driver
- New Skyworks SKY81452 driver"
* tag 'mfd-for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (76 commits)
mfd: sec: Fix RTC alarm interrupt number on S2MPS11
mfd: wm5102: Remove registers for output 3R from readable list
mfd: tps65010: Remove incorrect __exit markups
mfd: devicetree: bindings: Add Qualcomm RPM regulator subnodes
mfd: axp20x: Add support for extcon cell
mfd: lpc_ich: Sort IDs
mfd: twl6040: Remove wrong and unneeded "platform:twl6040" modalias
mfd: qcom-spmi-pmic: Add specific compatible strings for Qualcomm's SPMI PMIC's
mfd: axp20x: Fix duplicate const for model names
mfd: menelaus: Use macro for magic number
mfd: menelaus: Drop support for SW controller VCORE
mfd: menelaus: Delete omap_has_menelaus
mfd: arizona: Correct type of gpio_defaults
mfd: lpc_ich: Sort IDs
mfd: Fix a typo in Kconfig
mfd: qcom_rpm: Add support for IPQ8064
mfd: devicetree: qcom_rpm: Document IPQ8064 resources
mfd: core: Fix platform-device name collisions
mfd: intel_quark_i2c_gpio: Don't crash if !DMI
dt-bindings: Add vendor-prefix for X-Powers
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Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Commit 8f45acb5f9f34eab ("regulator: wm8350: Pass NULL data with REGULATION_OUT
and UNDER_VOLTAGE events") introduced the following build warning:
drivers/regulator/wm8350-regulator.c: In function 'pmic_uv_handler':
drivers/regulator/wm8350-regulator.c:1154:17: warning: unused variable 'wm8350' [-Wunused-variable]
Remove 'wm8350' as it is unused now.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
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According to the documentation, no data is passed with the
REGULATION_OUT and UNDER_VOLTAGE regulator notifier events.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/notifier', 'regulator/topic/palmas', 'regulator/topic/qcom' and 'regulator/topic/stw481x' into regulator-next
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The mutex lock is not used at all, remove it.
The *vmmc_regulator is not necessary, use a local variable in
stw481x_vmmc_regulator_probe() instead.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Tidy up error reporting and move rpm reference retrieval out of the for
loop for improved readability.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Modeling the individual RPM resources as platform devices consumes at
least 12-15kb of RAM, just to hold the platform_device structs. Rework
this to instead have one device per pmic exposed by the RPM.
With this representation we can more accurately define the input pins on
the pmic and have the supply description match the data sheet.
Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Refactor out all custom property parsing code from the probe function
into a function suitable for regulator_desc->of_parse_cb usage.
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The driver itself should not flag regulators as being DRMS compatible,
this should come from board or dt files.
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Palmas driver is used to cater to even TPS659038 but TPS659038 does not have
REGEN3 resource. Adding another field in the driver data to check on that.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-palmas
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of_device_id is always used as const.
(See driver.of_match_table and open firmware functions)
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
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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>
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Rename the regulator_set_optimum_mode() function regulator_set_load() to
better represent what's going on.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/load-op', 'regulator/topic/max77693' and 'regulator/topic/max8660' into regulator-next
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It is not necessary to have regulator init data for a regulator. This
patch removes the necessity of this data and handles a NULL pointer
properly.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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pdata is assigned to &pdata_of, however, pdata_of becomes dead (when it
goes out of scope) so pdata effectively becomes a dead pointer to the
out of scope object. This is detected by static analysis:
[drivers/regulator/max8660.c:411]: (error) Dead pointer usage.
Pointer 'pdata' is dead if it has been assigned '&pdata_of' at line 404.
Move declaration of pdata_of so it is always in scope.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Simplify the driver by removing board file support and letting
regulator core to parse DT.
The max77693 regulator driver is used only on Exynos based boards which
are DT-only. Board files for Exynos are not supported.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Pass the requested load directly to the rpm.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Expose the requested load directly to the regulator implementation for
hardware that does not support the normal enum based set_mode().
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The seq_puts/seq_printf return value, because it's frequently misused,
will eventually be converted to void.
See: commit 1f33c41c03da ("seq_file: Rename seq_overflow() to
seq_has_overflowed() and make public")
Miscellanea:
o Remove unnecessary dev_err("seq_<foo> overflow\n") messages
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/arizona-ldo1', 'regulator/topic/arizona-micsupp' and 'regulator/topic/da9211' into regulator-next
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According to the documentation, no data is passed with the OVER_CURRENT
regulator notifier event.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: James Ban <james.ban.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We tried to read the CONFIG_E register, not the CONTROL_E register.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: James Ban <james.ban.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We were not calling of_node_put if the regulator failed to register this
patch fixes this.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We were not calling of_node_put if the regulator failed to register this
patch fixes this.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The act88600/act8846/act8865 regulators have a number of input supplies
supplying the individual regulators. This may even be recursively like on
most Rockchip boards using the act8846 where REG4 is most of the time
connected to the inl1-supply.
Therefore add the ability to specify the input supplies for the individual inputs.
The input-names are taken from the datasheets of act8600, act8846 and act8865.
On the act8600 some regulators do not have separate input supplies.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch adds act8600 support to the act8865 driver.
VBUS and USB charger supported by this chip can be added later
Tested on MIPS Creator CI20
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-core
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Voltage regulators can have (unregulated) current limits too, so we should
probably output both voltage and current for all regulators.
Holding the rdev->mutex actually conflicts with _regulator_get_current_limit
but also is not really necessary, as the global regulator_list_mutex already
protects us from the regulator vanishing while we go through the list.
On the rk3288-firefly the summary now looks like:
regulator use open bypass voltage current min max
-------------------------------------------------------------------------------
vcc_sys 0 12 0 5000mV 0mA 5000mV 5000mV
vcc_lan 1 1 0 3300mV 0mA 3300mV 3300mV
ff290000.ethernet 0mV 0mV
vcca_33 0 0 0 3300mV 0mA 3300mV 3300mV
vcca_18 0 0 0 1800mV 0mA 1800mV 1800mV
vdd10_lcd 0 0 0 1000mV 0mA 1000mV 1000mV
[...]
Suggested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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On modern systems the regulator hierarchy can get quite long and nested
with regulators supplying other regulators. In some cases when debugging
it might be nice to get a tree of these regulators, their consumers
and the regulation constraints in one go.
To achieve this add a regulator_summary sysfs node, similar to
clk_summary in the common clock framework, that walks the regulator
list and creates a tree out of the regulators, their consumers and
core per-regulator settings.
On a rk3288-firefly the regulator_summary would for example look
something like:
regulator use open bypass value min max
-----------------------------------------------------------------------
vcc_sys 0 12 0 5000mV 5000mV 5000mV
vcc_lan 1 1 0 3300mV 3300mV 3300mV
ff290000.ethernet 0mV 0mV
vcca_33 0 0 0 3300mV 3300mV 3300mV
vcca_18 0 0 0 1800mV 1800mV 1800mV
vdd10_lcd 0 0 0 1000mV 1000mV 1000mV
vccio_sd 0 0 0 3300mV 3300mV 3300mV
vcc_20 0 3 0 2000mV 2000mV 2000mV
vcc18_lcd 0 0 0 1800mV 1800mV 1800mV
vcc_18 0 2 0 1800mV 1800mV 1800mV
ff100000.saradc 0mV 0mV
ff0d0000.dwmmc 1650mV 1950mV
vdd_10 0 0 0 1000mV 1000mV 1000mV
vdd_log 0 0 0 1100mV 1100mV 1100mV
vcc_io 0 3 0 3300mV 3300mV 3300mV
ff0f0000.dwmmc 3300mV 3400mV
vcc_flash 1 1 0 1800mV 1800mV 1800mV
ff0f0000.dwmmc 1700mV 1950mV
vcc_sd 1 1 0 3300mV 3300mV 3300mV
ff0c0000.dwmmc 3300mV 3400mV
vcc_ddr 0 0 0 1200mV 1200mV 1200mV
vdd_gpu 0 0 0 1000mV 850mV 1350mV
vdd_cpu 0 1 0 900mV 850mV 1350mV
cpu0 900mV 900mV
vcc_5v 0 2 0 5000mV 5000mV 5000mV
vcc_otg_5v 0 0 0 5000mV 5000mV 5000mV
vcc_host_5v 0 0 0 5000mV 5000mV 5000mV
regulator-dummy 0 0 0 0mV 0mV 0mV
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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If multiple regulator devices of the same type exist in a system,
the regulator driver assigns generic names for the regulators it
provides, and debugfs is enabled, the regulator subsystem attempts
to create multiple entries with the same name in the regulator debugfs
directory. This fails for all but the first regulator, resulting in
multiple "Failed to create debugfs directory" log entries.
To avoid the problem, prepend the debugfs directory name for a regulator
with its parent device name if available, but only if no explicit
regulator name was provided.
Cc: Alan Tull <atull@opensource.altera.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Instead of resolving regulator supplies during registration move this to
the time of a consumer retrieving a handle. The benefit is that it's
possible for one driver to register regulators with internal
dependencies out of order.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/fix/palmas' into regulator-linus
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The register offset for REGEN2_CTRL in different for TPS659038 chip as when
compared with other Palmas family PMICs. In the case of TPS659038 the wrong
offset pointed to PLLEN_CTRL and was causing a hang. Correcting the same.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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'regulator/fix/tps65910' into regulator-linus
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drivers/regulator/tps65910-regulator.c: In function ‘tps65910_parse_dt_reg_data’:
drivers/regulator/tps65910-regulator.c:1018: error: implicit declaration of function ‘of_get_child_by_name’
drivers/regulator/tps65910-regulator.c:1018: warning: assignment makes pointer from integer without a cast
drivers/regulator/tps65910-regulator.c:1034: error: implicit declaration of function ‘of_node_put’
drivers/regulator/tps65910-regulator.c:1056: error: implicit declaration of function ‘of_property_read_u32’
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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