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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2021-01-20 15:57:21 +0530 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2021-02-02 10:27:50 +0530 |
| commit | 1d3c42cabbd351e9c171e906603b5cc2ea513640 (patch) | |
| tree | dc0547e63825c81c9f02a80d01347592226eb83f /drivers/opp | |
| parent | 5ad58bbacf802f7d11cadd76881311d6e4b2bce0 (diff) | |
| download | lwn-1d3c42cabbd351e9c171e906603b5cc2ea513640.tar.gz lwn-1d3c42cabbd351e9c171e906603b5cc2ea513640.zip | |
opp: No need to check clk for errors
Clock is not optional for users who call into dev_pm_opp_set_rate().
Remove the unnecessary checks.
While at it also drop the local variable for clk and use opp_table->clk
instead.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Diffstat (limited to 'drivers/opp')
| -rw-r--r-- | drivers/opp/core.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 9637f2994d2e..8ef85cd918ce 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -994,7 +994,6 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) struct opp_table *opp_table; unsigned long freq, old_freq, temp_freq; struct dev_pm_opp *old_opp, *opp; - struct clk *clk; int ret; opp_table = _find_opp_table(dev); @@ -1008,19 +1007,11 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) goto put_opp_table; } - clk = opp_table->clk; - if (IS_ERR(clk)) { - dev_err(dev, "%s: No clock available for the device\n", - __func__); - ret = PTR_ERR(clk); - goto put_opp_table; - } - - freq = clk_round_rate(clk, target_freq); + freq = clk_round_rate(opp_table->clk, target_freq); if ((long)freq <= 0) freq = target_freq; - old_freq = clk_get_rate(clk); + old_freq = clk_get_rate(opp_table->clk); /* Return early if nothing to do */ if (opp_table->enabled && old_freq == freq) { @@ -1038,7 +1029,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) * equivalent to a clk_set_rate() */ if (!_get_opp_count(opp_table)) { - ret = _generic_set_opp_clk_only(dev, clk, freq); + ret = _generic_set_opp_clk_only(dev, opp_table->clk, freq); goto put_opp_table; } @@ -1078,7 +1069,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) opp->supplies); } else { /* Only frequency scaling */ - ret = _generic_set_opp_clk_only(dev, clk, freq); + ret = _generic_set_opp_clk_only(dev, opp_table->clk, freq); } /* Scaling down? Configure required OPPs after frequency */ |