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PM / devfreq: tegra30: Disable clock on error in probe

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This error path needs to call clk_disable_unprepare().

Fixes: 7296443b90 ("PM / devfreq: tegra30: Handle possible round-rate error")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Dan Carpenter
2020-09-08 10:25:57 +03:00
committed by Chanwoo Choi
parent 0c309ed17c
commit 6bf560766a
1 changed files with 3 additions and 1 deletions
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4
drivers/devfreq/tegra30-devfreq.c
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@@ -836,7 +836,8 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
rate = clk_round_rate(tegra->emc_clock, ULONG_MAX); rate = clk_round_rate(tegra->emc_clock, ULONG_MAX);
if (rate < 0) { if (rate < 0) {
dev_err(&pdev->dev, "Failed to round clock rate: %ld\n", rate); dev_err(&pdev->dev, "Failed to round clock rate: %ld\n", rate);
return rate; err = rate;
goto disable_clk;
} }
tegra->max_freq = rate / KHZ; tegra->max_freq = rate / KHZ;
@@ -897,6 +898,7 @@ remove_opps:
dev_pm_opp_remove_all_dynamic(&pdev->dev); dev_pm_opp_remove_all_dynamic(&pdev->dev);
reset_control_reset(tegra->reset); reset_control_reset(tegra->reset);
disable_clk:
clk_disable_unprepare(tegra->clock); clk_disable_unprepare(tegra->clock);
return err; return err;