Merge branch 'regulator-5.5' into regulator-linus (f7abb7e3) · Commits · EulixOS / Software / Kernel

drivers/regulator/core.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -3470,6 +3470,7 @@ int regulator_set_voltage_rdev(struct regulator_dev *rdev, int min_uV,
		out:
		return ret;
		}
		EXPORT_SYMBOL_GPL(regulator_set_voltage_rdev);

		static int regulator_limit_voltage_step(struct regulator_dev *rdev,
		int current_uV, int min_uV)
		@@ -4034,6 +4035,7 @@ int regulator_get_voltage_rdev(struct regulator_dev *rdev)
		return ret;
		return ret - rdev->constraints->uV_offset;
		}
		EXPORT_SYMBOL_GPL(regulator_get_voltage_rdev);

		/**
		* regulator_get_voltage - get regulator output voltage

drivers/regulator/vctrl-regulator.c

+23 −15

Original line number	Diff line number	Diff line
		@@ -11,10 +11,13 @@
		#include <linux/module.h>
		#include <linux/of.h>
		#include <linux/of_device.h>
		#include <linux/regulator/coupler.h>
		#include <linux/regulator/driver.h>
		#include <linux/regulator/of_regulator.h>
		#include <linux/sort.h>

		#include "internal.h"

		struct vctrl_voltage_range {
		int min_uV;
		int max_uV;
		@@ -79,7 +82,7 @@ static int vctrl_calc_output_voltage(struct vctrl_data *vctrl, int ctrl_uV)
		static int vctrl_get_voltage(struct regulator_dev *rdev)
		{
		struct vctrl_data *vctrl = rdev_get_drvdata(rdev);
		int ctrl_uV = regulator_get_voltage(vctrl->ctrl_reg);
		int ctrl_uV = regulator_get_voltage_rdev(vctrl->ctrl_reg->rdev);

		return vctrl_calc_output_voltage(vctrl, ctrl_uV);
		}
		@@ -90,16 +93,16 @@ static int vctrl_set_voltage(struct regulator_dev *rdev,
		{
		struct vctrl_data *vctrl = rdev_get_drvdata(rdev);
		struct regulator *ctrl_reg = vctrl->ctrl_reg;
		int orig_ctrl_uV = regulator_get_voltage(ctrl_reg);
		int orig_ctrl_uV = regulator_get_voltage_rdev(ctrl_reg->rdev);
		int uV = vctrl_calc_output_voltage(vctrl, orig_ctrl_uV);
		int ret;

		if (req_min_uV >= uV \|\| !vctrl->ovp_threshold)
		/* voltage rising or no OVP */
		return regulator_set_voltage(
		ctrl_reg,
		return regulator_set_voltage_rdev(ctrl_reg->rdev,
		vctrl_calc_ctrl_voltage(vctrl, req_min_uV),
		vctrl_calc_ctrl_voltage(vctrl, req_max_uV));
		vctrl_calc_ctrl_voltage(vctrl, req_max_uV),
		PM_SUSPEND_ON);

		while (uV > req_min_uV) {
		int max_drop_uV = (uV * vctrl->ovp_threshold) / 100;
		@@ -114,9 +117,10 @@ static int vctrl_set_voltage(struct regulator_dev *rdev,
		next_uV = max_t(int, req_min_uV, uV - max_drop_uV);
		next_ctrl_uV = vctrl_calc_ctrl_voltage(vctrl, next_uV);

		ret = regulator_set_voltage(ctrl_reg,
		ret = regulator_set_voltage_rdev(ctrl_reg->rdev,
		next_ctrl_uV,
		next_ctrl_uV,
		next_ctrl_uV);
		PM_SUSPEND_ON);
		if (ret)
		goto err;

		@@ -130,7 +134,8 @@ static int vctrl_set_voltage(struct regulator_dev *rdev,

		err:
		/* Try to go back to original voltage */
		regulator_set_voltage(ctrl_reg, orig_ctrl_uV, orig_ctrl_uV);
		regulator_set_voltage_rdev(ctrl_reg->rdev, orig_ctrl_uV, orig_ctrl_uV,
		PM_SUSPEND_ON);

		return ret;
		}
		@@ -155,9 +160,10 @@ static int vctrl_set_voltage_sel(struct regulator_dev *rdev,

		if (selector >= vctrl->sel \|\| !vctrl->ovp_threshold) {
		/* voltage rising or no OVP */
		ret = regulator_set_voltage(ctrl_reg,
		ret = regulator_set_voltage_rdev(ctrl_reg->rdev,
		vctrl->vtable[selector].ctrl,
		vctrl->vtable[selector].ctrl,
		vctrl->vtable[selector].ctrl);
		PM_SUSPEND_ON);
		if (!ret)
		vctrl->sel = selector;

		@@ -173,9 +179,10 @@ static int vctrl_set_voltage_sel(struct regulator_dev *rdev,
		else
		next_sel = vctrl->vtable[vctrl->sel].ovp_min_sel;

		ret = regulator_set_voltage(ctrl_reg,
		ret = regulator_set_voltage_rdev(ctrl_reg->rdev,
		vctrl->vtable[next_sel].ctrl,
		vctrl->vtable[next_sel].ctrl);
		vctrl->vtable[next_sel].ctrl,
		PM_SUSPEND_ON);
		if (ret) {
		dev_err(&rdev->dev,
		"failed to set control voltage to %duV\n",
		@@ -195,9 +202,10 @@ static int vctrl_set_voltage_sel(struct regulator_dev *rdev,
		err:
		if (vctrl->sel != orig_sel) {
		/* Try to go back to original voltage */
		if (!regulator_set_voltage(ctrl_reg,
		if (!regulator_set_voltage_rdev(ctrl_reg->rdev,
		vctrl->vtable[orig_sel].ctrl,
		vctrl->vtable[orig_sel].ctrl,
		vctrl->vtable[orig_sel].ctrl))
		PM_SUSPEND_ON))
		vctrl->sel = orig_sel;
		else
		dev_warn(&rdev->dev,
		@@ -482,7 +490,7 @@ static int vctrl_probe(struct platform_device *pdev)
		if (ret)
		return ret;

		ctrl_uV = regulator_get_voltage(vctrl->ctrl_reg);
		ctrl_uV = regulator_get_voltage_rdev(vctrl->ctrl_reg->rdev);
		if (ctrl_uV < 0) {
		dev_err(&pdev->dev, "failed to get control voltage\n");
		return ctrl_uV;