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The same table can be used for multiple instance of pdev, so we don't need to
allocate memory for of_regulator_match table per pdev.
match->driver_data points to the corresponding entry of as3711_reg_info,
however it is not used in current code, thus this patch does not set
driver_data in the of_regulator_match table.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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AS3711 regulator OF support only evaluates standard regulator DT
properties.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Reviwed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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To skip registering regulator if no platform initialization data,
we should check reg_data rather than ri->desc.name.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Below equation means the "voltage" is the "smallest" voltage within specific
range.
ret = DIV_ROUND_UP(min - bottom) / step;
voltage = ret * step + bottom;
If we do try 1 down when (voltage > max), new voltage is then less than min
voltage. Which means the new voltage is not in the requested voltage range.
This patch also includes below cleanups:
- Use DIV_ROUND_UP
- rename variable 'ret' to 'sel' for better readability because as3711_sel_check
returns the selector.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Below cases are supposed to be valid:
min_uV == max_uV == info->max_uV
min_uV == max_uV == rdev->desc->min_uV
Don't return -EINVAL for above cases.
This patch also includes below cleanups:
- Use rdev_get_drvdata(rdev) instead of rdev->reg_data.
- Remove unnecessary WARN_ON, it looks pointless.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This driver supports the 4 DCDC and 8 LDO regulators on the AS3711 PMIC.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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