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The regulator_ops structures are never modified, so declare them as const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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These new helpers simplify implementing multi-driver modules and
properly handle failure to register one driver by unregistering all
previously registered drivers.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Since 0998d06310 "device-core: Ensure drvdata = NULL when no driver is bound",
this is done by driver core after device_release or on probe failure.
Thus we can remove all platform_set_drvdata(pdev, NULL) in drivers.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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For fixed voltage, we can just set min_uV and use regulator_list_voltage_linear
for list_voltage callback. Regulator core will call list_voltage(rdev, 0) if
both get_voltage get_voltage_sel are not implemented. Thus we can also remove
lp8788_ldo_fixed_get_voltage() function.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The id for DLDOx matches the entries in enum lp8788_ldo_id and it's easy to
calculate the id for ALDOx. Thus remove lp8788_dldo_id and lp8788_aldo_id
arrays.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Regulator core driver provides enable GPIO control for enabling/disabling a
regulator. Now, enable GPIO is shared among regulators.
Use this internal working, so unnecessary code are removed.
GPIO enable pin configurations are added in digital LDO and analog LDO drivers.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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external pin
ldo->en_pin is set iff the regulator is enabled by external pin.
This patch sets ldo->en_pin to NULL if lp8788_gpio_request_ldo_en() fails, then
we can use it to determinate if the regulator is controlled by external pin or
register.
lp8788_get_ldo_enable_mode(), lp8788_ldo_ctrl_by_extern_pin() and
lp8788_ldo_is_enabled_by_extern_pin() functions are not used now, remove them.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Tested-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Use 'platform_device' rather than i2c client device node.
Argument is added in lp8788_config_ldo_enable_mode().
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The lp8788-ldo is a platform driver of lp8788-mfd.
The platform device is allocated when mfd_add_devices() is called
in lp8788-mfd.
On the other hand, 'lp->dev' is the i2c client device.
Therefore, this 'platform_device' is a proper parent device in case of
resource managed mem alloc, registering regulators and device kernel messages.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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To clear the mask bit, setting data argument to be 0 with proper mask setting
for lp8788_update_bits. We don't need the var array here.
Signed-off-by: Axel Lin <axel.lin@ingics.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: Mark Brown <broonie@opensource.wolfsonmicro.com>
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CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
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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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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