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OPP: Separate out custom OPP handler specific code

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Create a separate routine to take care of custom set_opp() handler
specific stuff.

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Viresh Kumar 2018-06-12 14:47:03 +05:30
parent 61d8e7c73b
commit 7e535993fa
1 changed files with 40 additions and 27 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

67
drivers/opp/core.c
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@ -635,6 +635,34 @@ static int _generic_set_opp_regulator(const struct opp_table *opp_table,
return ret; return ret;
} }
static int _set_opp_custom(const struct opp_table *opp_table,
struct device *dev, unsigned long old_freq,
unsigned long freq,
struct dev_pm_opp_supply *old_supply,
struct dev_pm_opp_supply *new_supply)
{
struct dev_pm_set_opp_data *data;
int size;
data = opp_table->set_opp_data;
data->regulators = opp_table->regulators;
data->regulator_count = opp_table->regulator_count;
data->clk = opp_table->clk;
data->dev = dev;
data->old_opp.rate = old_freq;
size = sizeof(*old_supply) * opp_table->regulator_count;
if (IS_ERR(old_supply))
memset(data->old_opp.supplies, 0, size);
else
memcpy(data->old_opp.supplies, old_supply, size);
data->new_opp.rate = freq;
memcpy(data->new_opp.supplies, new_supply, size);
return opp_table->set_opp(data);
}
/** /**
* dev_pm_opp_set_rate() - Configure new OPP based on frequency * dev_pm_opp_set_rate() - Configure new OPP based on frequency
* @dev: device for which we do this operation * @dev: device for which we do this operation
@ -649,7 +677,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
unsigned long freq, old_freq; unsigned long freq, old_freq;
struct dev_pm_opp *old_opp, *opp; struct dev_pm_opp *old_opp, *opp;
struct clk *clk; struct clk *clk;
int ret, size; int ret;
if (unlikely(!target_freq)) { if (unlikely(!target_freq)) {
dev_err(dev, "%s: Invalid target frequency %lu\n", __func__, dev_err(dev, "%s: Invalid target frequency %lu\n", __func__,
@ -702,8 +730,17 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
dev_dbg(dev, "%s: switching OPP: %lu Hz --> %lu Hz\n", __func__, dev_dbg(dev, "%s: switching OPP: %lu Hz --> %lu Hz\n", __func__,
old_freq, freq); old_freq, freq);
/* Only frequency scaling */ if (opp_table->set_opp) {
if (!opp_table->regulators) { ret = _set_opp_custom(opp_table, dev, old_freq, freq,
IS_ERR(old_opp) ? NULL : old_opp->supplies,
opp->supplies);
} else if (opp_table->regulators) {
ret = _generic_set_opp_regulator(opp_table, dev, old_freq, freq,
IS_ERR(old_opp) ? NULL : old_opp->supplies,
opp->supplies);
} else {
/* Only frequency scaling */
/* /*
* We don't support devices with both regulator and * We don't support devices with both regulator and
* domain performance-state for now. * domain performance-state for now.
@ -714,30 +751,6 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
opp->pstate); opp->pstate);
else else
ret = _generic_set_opp_clk_only(dev, clk, old_freq, freq); ret = _generic_set_opp_clk_only(dev, clk, old_freq, freq);
} else if (!opp_table->set_opp) {
ret = _generic_set_opp_regulator(opp_table, dev, old_freq, freq,
IS_ERR(old_opp) ? NULL : old_opp->supplies,
opp->supplies);
} else {
struct dev_pm_set_opp_data *data;
data = opp_table->set_opp_data;
data->regulators = opp_table->regulators;
data->regulator_count = opp_table->regulator_count;
data->clk = clk;
data->dev = dev;
data->old_opp.rate = old_freq;
size = sizeof(*opp->supplies) * opp_table->regulator_count;
if (IS_ERR(old_opp))
memset(data->old_opp.supplies, 0, size);
else
memcpy(data->old_opp.supplies, old_opp->supplies, size);
data->new_opp.rate = freq;
memcpy(data->new_opp.supplies, opp->supplies, size);
ret = opp_table->set_opp(data);
} }
dev_pm_opp_put(opp); dev_pm_opp_put(opp);