Messages in this thread Patch in this message | | | From | k.konieczny@partner ... | Subject | [PATCH 1/3] opp: core: add regulators enable and disable | Date | Mon, 8 Jul 2019 16:11:38 +0200 |
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From: Kamil Konieczny <k.konieczny@partner.samsung.com>
Add enable regulators to dev_pm_opp_set_regulators() and disable regulators to dev_pm_opp_put_regulators(). This prepares for converting exynos-bus devfreq driver to use dev_pm_opp_set_rate().
Signed-off-by: Kamil Konieczny <k.konieczny@partner.samsung.com> --- drivers/opp/core.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 0e7703fe733f..947cac452854 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1580,8 +1580,19 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev, if (ret) goto free_regulators; + for (i = 0; i < opp_table->regulator_count; i++) { + ret = regulator_enable(opp_table->regulators[i]); + if (ret < 0) + goto disable; + } + return opp_table; +disable: + while (i != 0) + regulator_disable(opp_table->regulators[--i]); + + i = opp_table->regulator_count; free_regulators: while (i != 0) regulator_put(opp_table->regulators[--i]); @@ -1609,6 +1620,8 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table) /* Make sure there are no concurrent readers while updating opp_table */ WARN_ON(!list_empty(&opp_table->opp_list)); + for (i = opp_table->regulator_count - 1; i >= 0; i--) + regulator_disable(opp_table->regulators[i]); for (i = opp_table->regulator_count - 1; i >= 0; i--) regulator_put(opp_table->regulators[i]); -- 2.22.0
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