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path: root/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
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Diffstat (limited to 'drivers/clk/tegra/clk-tegra124-dfll-fcpu.c')
-rw-r--r--drivers/clk/tegra/clk-tegra124-dfll-fcpu.c31
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
index c7ffd4fd2231..d052d9fa8230 100644
--- a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
+++ b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
@@ -84,7 +84,7 @@ static const struct cvb_table tegra124_cpu_cvb_tables[] = {
static int tegra124_dfll_fcpu_probe(struct platform_device *pdev)
{
- int process_id, speedo_id, speedo_value;
+ int process_id, speedo_id, speedo_value, err;
struct tegra_dfll_soc_data *soc;
process_id = tegra_sku_info.cpu_process_id;
@@ -107,18 +107,41 @@ static int tegra124_dfll_fcpu_probe(struct platform_device *pdev)
return -ENODEV;
}
+ soc->max_freq = cpu_max_freq_table[speedo_id];
+
soc->cvb = tegra_cvb_add_opp_table(soc->dev, tegra124_cpu_cvb_tables,
ARRAY_SIZE(tegra124_cpu_cvb_tables),
process_id, speedo_id, speedo_value,
- cpu_max_freq_table[speedo_id]);
+ soc->max_freq);
if (IS_ERR(soc->cvb)) {
dev_err(&pdev->dev, "couldn't add OPP table: %ld\n",
PTR_ERR(soc->cvb));
return PTR_ERR(soc->cvb);
}
+ err = tegra_dfll_register(pdev, soc);
+ if (err < 0) {
+ tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq);
+ return err;
+ }
+
+ platform_set_drvdata(pdev, soc);
+
+ return 0;
+}
+
+static int tegra124_dfll_fcpu_remove(struct platform_device *pdev)
+{
+ struct tegra_dfll_soc_data *soc = platform_get_drvdata(pdev);
+ int err;
+
+ err = tegra_dfll_unregister(pdev);
+ if (err < 0)
+ dev_err(&pdev->dev, "failed to unregister DFLL: %d\n", err);
+
+ tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq);
- return tegra_dfll_register(pdev, soc);
+ return 0;
}
static const struct of_device_id tegra124_dfll_fcpu_of_match[] = {
@@ -134,7 +157,7 @@ static const struct dev_pm_ops tegra124_dfll_pm_ops = {
static struct platform_driver tegra124_dfll_fcpu_driver = {
.probe = tegra124_dfll_fcpu_probe,
- .remove = tegra_dfll_unregister,
+ .remove = tegra124_dfll_fcpu_remove,
.driver = {
.name = "tegra124-dfll",
.of_match_table = tegra124_dfll_fcpu_of_match,