diff options
Diffstat (limited to 'drivers/clk/tegra')
| -rw-r--r-- | drivers/clk/tegra/clk-dfll.c | 5 | ||||
| -rw-r--r-- | drivers/clk/tegra/clk-tegra124-dfll-fcpu.c | 17 |
2 files changed, 12 insertions, 10 deletions
diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c index 41433927b55c..58fa5a59e0c7 100644 --- a/drivers/clk/tegra/clk-dfll.c +++ b/drivers/clk/tegra/clk-dfll.c @@ -2081,7 +2081,10 @@ struct tegra_dfll_soc_data *tegra_dfll_unregister(struct platform_device *pdev) { struct tegra_dfll *td = platform_get_drvdata(pdev); - /* Try to prevent removal while the DFLL is active */ + /* + * Note that exiting early here doesn't prevent unbinding the driver. + * Exiting early here only leaks some resources. + */ if (td->mode != DFLL_DISABLED) { dev_err(&pdev->dev, "must disable DFLL before removing driver\n"); diff --git a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c index 5e339ad0a97c..2a164e565c86 100644 --- a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c +++ b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c @@ -612,20 +612,19 @@ static int tegra124_dfll_fcpu_probe(struct platform_device *pdev) return 0; } -static int tegra124_dfll_fcpu_remove(struct platform_device *pdev) +static void tegra124_dfll_fcpu_remove(struct platform_device *pdev) { struct tegra_dfll_soc_data *soc; + /* + * Note that exiting early here is dangerous as after this function + * returns *soc is freed. + */ soc = tegra_dfll_unregister(pdev); - if (IS_ERR(soc)) { - dev_err(&pdev->dev, "failed to unregister DFLL: %ld\n", - PTR_ERR(soc)); - return PTR_ERR(soc); - } + if (IS_ERR(soc)) + return; tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq); - - return 0; } static const struct dev_pm_ops tegra124_dfll_pm_ops = { @@ -636,7 +635,7 @@ static const struct dev_pm_ops tegra124_dfll_pm_ops = { static struct platform_driver tegra124_dfll_fcpu_driver = { .probe = tegra124_dfll_fcpu_probe, - .remove = tegra124_dfll_fcpu_remove, + .remove_new = tegra124_dfll_fcpu_remove, .driver = { .name = "tegra124-dfll", .of_match_table = tegra124_dfll_fcpu_of_match, |