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Commit 1c1c79fe authored by Naveen Yadav's avatar Naveen Yadav
Browse files

clk: qcom: gdsc-regulator: Update support to skip GDSC disable 



Update gdsc_is_enable and gdsc_enable to return 0 for the GDSC
which needs only GDSC disable support from HLOS.

Change-Id: Ie1e9faf806f504fc56419c5c557d3063d031d804
Signed-off-by: default avatarNaveen Yadav <naveenky@codeaurora.org>
parent a7220f4d

drivers/clk/qcom/gdsc-regulator.c

+6 −11
Original line number Original line Diff line number Diff line
@@ -181,6 +181,9 @@ static int gdsc_is_enabled(struct regulator_dev *rdev) 
	if (!sc->toggle_logic)

	if (!sc->toggle_logic)

		return !sc->resets_asserted;

		return !sc->resets_asserted;





	if (sc->skip_disable_before_enable)

		return false;



	regmap_read(sc->regmap, REG_OFFSET, &regval);

	regmap_read(sc->regmap, REG_OFFSET, &regval);





	if (regval & PWR_ON_MASK) {

	if (regval & PWR_ON_MASK) {
@@ -202,6 +205,9 @@ static int gdsc_enable(struct regulator_dev *rdev) 
	uint32_t regval, cfg_regval, hw_ctrl_regval = 0x0;

	uint32_t regval, cfg_regval, hw_ctrl_regval = 0x0;

	int i, ret = 0;

	int i, ret = 0;





	if (sc->skip_disable_before_enable)

		return 0;



	if (sc->parent_regulator) {

	if (sc->parent_regulator) {

		ret = regulator_set_voltage(sc->parent_regulator,

		ret = regulator_set_voltage(sc->parent_regulator,

				RPMH_REGULATOR_LEVEL_LOW_SVS, INT_MAX);

				RPMH_REGULATOR_LEVEL_LOW_SVS, INT_MAX);
@@ -380,7 +386,6 @@ static int gdsc_enable(struct regulator_dev *rdev) 
		clk_disable_unprepare(sc->clocks[sc->root_clk_idx]);

		clk_disable_unprepare(sc->clocks[sc->root_clk_idx]);





	sc->is_gdsc_enabled = true;

	sc->is_gdsc_enabled = true;

	sc->skip_disable_before_enable = false;





	mutex_unlock(&gdsc_seq_lock);

	mutex_unlock(&gdsc_seq_lock);
@@ -393,16 +398,6 @@ static int gdsc_disable(struct regulator_dev *rdev) 
	uint32_t regval;

	uint32_t regval;

	int i, ret = 0;

	int i, ret = 0;





	/*

	 * Protect GDSC against late_init disabling when the GDSC is enabled

	 * by an entity outside external to HLOS.

	 */

	if (sc->skip_disable_before_enable) {

		dev_dbg(&rdev->dev, "Skip Disabling: %s\n", sc->rdesc.name);

		sc->skip_disable_before_enable = false;

		return 0;

	}



	mutex_lock(&gdsc_seq_lock);

	mutex_lock(&gdsc_seq_lock);





	if (sc->force_root_en)

	if (sc->force_root_en)