memory: tegra: Remove calls to dev_pm_opp_set_clkname()

There is no point calling dev_pm_opp_set_clkname() with the "name"
parameter set to NULL, this is already done by the OPP core at setup
time and should work as it is.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/0f22cc1791d8b88c50a9790c2dc19455b34ec7b0.1611742564.git.viresh.kumar@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

drivers/memory/tegra/tegra124-emc.c

@@ -1399,21 +1399,14 @@ err_msg:
 static int tegra_emc_opp_table_init(struct tegra_emc *emc)
 {
 	u32 hw_version = BIT(tegra_sku_info.soc_speedo_id);
-	struct opp_table *clk_opp_table, *hw_opp_table;
+	struct opp_table *hw_opp_table;
 	int err;
 
-	clk_opp_table = dev_pm_opp_set_clkname(emc->dev, NULL);
-	err = PTR_ERR_OR_ZERO(clk_opp_table);
-	if (err) {
-		dev_err(emc->dev, "failed to set OPP clk: %d\n", err);
-		return 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);
-		goto put_clk_table;
+		return err;
 	}
 
 	err = dev_pm_opp_of_add_table(emc->dev);
@@ -1442,8 +1435,6 @@ remove_table:
 	dev_pm_opp_of_remove_table(emc->dev);
 put_hw_table:
 	dev_pm_opp_put_supported_hw(hw_opp_table);
-put_clk_table:
-	dev_pm_opp_put_clkname(clk_opp_table);
 
 	return err;
 }

drivers/memory/tegra/tegra20-emc.c

@@ -911,21 +911,14 @@ err_msg:
 static int tegra_emc_opp_table_init(struct tegra_emc *emc)
 {
 	u32 hw_version = BIT(tegra_sku_info.soc_process_id);
-	struct opp_table *clk_opp_table, *hw_opp_table;
+	struct opp_table *hw_opp_table;
 	int err;
 
-	clk_opp_table = dev_pm_opp_set_clkname(emc->dev, NULL);
-	err = PTR_ERR_OR_ZERO(clk_opp_table);
-	if (err) {
-		dev_err(emc->dev, "failed to set OPP clk: %d\n", err);
-		return 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);
-		goto put_clk_table;
+		return err;
 	}
 
 	err = dev_pm_opp_of_add_table(emc->dev);
@@ -954,8 +947,6 @@ remove_table:
 	dev_pm_opp_of_remove_table(emc->dev);
 put_hw_table:
 	dev_pm_opp_put_supported_hw(hw_opp_table);
-put_clk_table:
-	dev_pm_opp_put_clkname(clk_opp_table);
 
 	return err;
 }

drivers/memory/tegra/tegra30-emc.c

@@ -1483,21 +1483,14 @@ err_msg:
 static int tegra_emc_opp_table_init(struct tegra_emc *emc)
 {
 	u32 hw_version = BIT(tegra_sku_info.soc_speedo_id);
-	struct opp_table *clk_opp_table, *hw_opp_table;
+	struct opp_table *hw_opp_table;
 	int err;
 
-	clk_opp_table = dev_pm_opp_set_clkname(emc->dev, NULL);
-	err = PTR_ERR_OR_ZERO(clk_opp_table);
-	if (err) {
-		dev_err(emc->dev, "failed to set OPP clk: %d\n", err);
-		return 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);
-		goto put_clk_table;
+		return err;
 	}
 
 	err = dev_pm_opp_of_add_table(emc->dev);
@@ -1526,8 +1519,6 @@ remove_table:
 	dev_pm_opp_of_remove_table(emc->dev);
 put_hw_table:
 	dev_pm_opp_put_supported_hw(hw_opp_table);
-put_clk_table:
-	dev_pm_opp_put_clkname(clk_opp_table);
 
 	return err;
 }