iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge commit 'ded10c47f39e' into HEAD

Browse Source
This commit is contained in:
Viresh Kumar 2020-09-16 14:12:12 +05:30
commit b1593e53f2
3 changed files with 19 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/cpufreq/imx6q-cpufreq.c
View File

@ -48,7 +48,6 @@ static struct clk_bulk_data clks[] = {
};
static struct device *cpu_dev;
static bool free_opp;
static struct cpufreq_frequency_table *freq_table;
static unsigned int max_freq;
static unsigned int transition_latency;
@ -390,9 +389,6 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev)
goto put_reg;
}
/* Because we have added the OPPs here, we must free them */
free_opp = true;
if (of_machine_is_compatible("fsl,imx6ul") ||
of_machine_is_compatible("fsl,imx6ull")) {
ret = imx6ul_opp_check_speed_grading(cpu_dev);
@ -507,8 +503,7 @@ soc_opp_out:
free_freq_table:
dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table);
out_free_opp:
if (free_opp)
dev_pm_opp_of_remove_table(cpu_dev);
dev_pm_opp_of_remove_table(cpu_dev);
put_reg:
if (!IS_ERR(arm_reg))
regulator_put(arm_reg);
@ -528,8 +523,7 @@ static int imx6q_cpufreq_remove(struct platform_device *pdev)
{
cpufreq_unregister_driver(&imx6q_cpufreq_driver);
dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table);
if (free_opp)
dev_pm_opp_of_remove_table(cpu_dev);
dev_pm_opp_of_remove_table(cpu_dev);
regulator_put(arm_reg);
if (!IS_ERR(pu_reg))
regulator_put(pu_reg);

22
drivers/opp/core.c
View File

@ -1300,13 +1300,19 @@ void dev_pm_opp_remove(struct device *dev, unsigned long freq)
}
EXPORT_SYMBOL_GPL(dev_pm_opp_remove);
void _opp_remove_all_static(struct opp_table *opp_table)
bool _opp_remove_all_static(struct opp_table *opp_table)
{
struct dev_pm_opp *opp, *tmp;
bool ret = true;
mutex_lock(&opp_table->lock);
if (!opp_table->parsed_static_opps || --opp_table->parsed_static_opps)
if (!opp_table->parsed_static_opps) {
ret = false;
goto unlock;
}
if (--opp_table->parsed_static_opps)
goto unlock;
list_for_each_entry_safe(opp, tmp, &opp_table->opp_list, node) {
@ -1316,6 +1322,8 @@ void _opp_remove_all_static(struct opp_table *opp_table)
unlock:
mutex_unlock(&opp_table->lock);
return ret;
}
/**
@ -2418,13 +2426,15 @@ void _dev_pm_opp_find_and_remove_table(struct device *dev)
return;
}
_opp_remove_all_static(opp_table);
/*
* Drop the extra reference only if the OPP table was successfully added
* with dev_pm_opp_of_add_table() earlier.
**/
if (_opp_remove_all_static(opp_table))
dev_pm_opp_put_opp_table(opp_table);
/* Drop reference taken by _find_opp_table() */
dev_pm_opp_put_opp_table(opp_table);
/* Drop reference taken while the OPP table was added */
dev_pm_opp_put_opp_table(opp_table);
}
/**

2
drivers/opp/opp.h
View File

@ -212,7 +212,7 @@ struct opp_table {
/* Routines internal to opp core */
void dev_pm_opp_get(struct dev_pm_opp *opp);
void _opp_remove_all_static(struct opp_table *opp_table);
bool _opp_remove_all_static(struct opp_table *opp_table);
void _get_opp_table_kref(struct opp_table *opp_table);
int _get_opp_count(struct opp_table *opp_table);
struct opp_table *_find_opp_table(struct device *dev);