[v1,09/13] memory: tegra20-emc: Use devm_tegra_core_dev_init_opp_table()

Commit Message

Dmitry Osipenko May 20, 2021, 11:07 p.m. UTC

Use common devm_tegra_core_dev_init_opp_table() helper for the OPP table
initialization.

Tested-by: Paul Fertser <[e-mail]> # PAZ00 T20
Tested-by: Nicolas Chauvet <[e-mail]> # PAZ00 T20
Signed-off-by: Dmitry Osipenko <[e-mail]>
---
 drivers/memory/tegra/tegra20-emc.c | 48 +++---------------------------
 1 file changed, 4 insertions(+), 44 deletions(-)

Comments

Krzysztof Kozlowski May 21, 2021, 9:22 p.m. UTC | #1

On 20/05/2021 19:07, Dmitry Osipenko wrote:
> Use common devm_tegra_core_dev_init_opp_table() helper for the OPP table
> initialization.
> 
> Tested-by: Paul Fertser <[e-mail]> # PAZ00 T20
> Tested-by: Nicolas Chauvet <[e-mail]> # PAZ00 T20
> Signed-off-by: Dmitry Osipenko <[e-mail]>
> ---
>  drivers/memory/tegra/tegra20-emc.c | 48 +++---------------------------
>  1 file changed, 4 insertions(+), 44 deletions(-)
> 


Reviewed-by: Krzysztof Kozlowski <[e-mail]>


Best regards,
Krzysztof

Patch

diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index da8a0da8da79..a534197a5fb2 100644
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c
@@ -908,49 +908,6 @@  static int tegra_emc_interconnect_init(struct tegra_emc *emc)
 	return err;
 }
 
-static int tegra_emc_opp_table_init(struct tegra_emc *emc)
-{
-	u32 hw_version = BIT(tegra_sku_info.soc_process_id);
-	struct opp_table *hw_opp_table;
-	int err;
-
-	hw_opp_table = dev_pm_opp_set_supported_hw(emc->dev, &hw_version, 1);
-	err = PTR_ERR_OR_ZERO(hw_opp_table);
-	if (err) {
-		dev_err(emc->dev, "failed to set OPP supported HW: %d\n", err);
-		return err;
-	}
-
-	err = dev_pm_opp_of_add_table(emc->dev);
-	if (err) {
-		if (err == -ENODEV)
-			dev_err(emc->dev, "OPP table not found, please update your device tree\n");
-		else
-			dev_err(emc->dev, "failed to add OPP table: %d\n", err);
-
-		goto put_hw_table;
-	}
-
-	dev_info_once(emc->dev, "OPP HW ver. 0x%x, current clock rate %lu MHz\n",
-		      hw_version, clk_get_rate(emc->clk) / 1000000);
-
-	/* first dummy rate-set initializes voltage state */
-	err = dev_pm_opp_set_rate(emc->dev, clk_get_rate(emc->clk));
-	if (err) {
-		dev_err(emc->dev, "failed to initialize OPP clock: %d\n", err);
-		goto remove_table;
-	}
-
-	return 0;
-
-remove_table:
-	dev_pm_opp_of_remove_table(emc->dev);
-put_hw_table:
-	dev_pm_opp_put_supported_hw(hw_opp_table);
-
-	return err;
-}
-
 static void devm_tegra_emc_unset_callback(void *data)
 {
 	tegra20_clk_set_emc_round_callback(NULL, NULL);
@@ -1077,6 +1034,7 @@  static int tegra_emc_devfreq_init(struct tegra_emc *emc)
 
 static int tegra_emc_probe(struct platform_device *pdev)
 {
+	struct tegra_core_opp_params opp_params = {};
 	struct device_node *np;
 	struct tegra_emc *emc;
 	int irq, err;
@@ -1122,7 +1080,9 @@  static int tegra_emc_probe(struct platform_device *pdev)
 	if (err)
 		return err;
 
-	err = tegra_emc_opp_table_init(emc);
+	opp_params.init_state = true;
+
+	err = devm_tegra_core_dev_init_opp_table(&pdev->dev, &opp_params);
 	if (err)
 		return err;