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

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qctecmdr 2020-09-13 21:34:18 -07:00 • committed by Gerrit - the friendly Code Review server
commit abf363fab0
1 changed files with 9 additions and 0 deletions
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9
drivers/clk/qcom/gdsc-regulator.c
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@ -74,6 +74,7 @@ struct gdsc {
int reset_count;
int root_clk_idx;
u32 gds_timeout;
bool skip_disable_before_enable;
};
enum gdscr_status {
@ -162,6 +163,9 @@ static int gdsc_is_enabled(struct regulator_dev *rdev)
if (!sc->toggle_logic)
return !sc->resets_asserted;
if (sc->skip_disable_before_enable)
return false;
return sc->is_gdsc_enabled;
}
@ -171,6 +175,9 @@ static int gdsc_enable(struct regulator_dev *rdev)
uint32_t regval, hw_ctrl_regval = 0x0;
int i, ret = 0;
if (sc->skip_disable_before_enable)
return 0;
if (sc->root_en || sc->force_root_en) {
clk_prepare_enable(sc->clocks[sc->root_clk_idx]);
sc->is_root_clk_voted = true;
@ -606,6 +613,8 @@ static int gdsc_parse_dt_data(struct gdsc *sc, struct device *dev,
"qcom,no-status-check-on-disable");
sc->retain_ff_enable = of_property_read_bool(dev->of_node,
"qcom,retain-regs");
sc->skip_disable_before_enable = of_property_read_bool(dev->of_node,
"qcom,skip-disable-before-sw-enable");
if (of_find_property(dev->of_node, "qcom,collapse-vote", NULL)) {
ret = of_property_count_u32_elems(dev->of_node,