[PATCH] memory: tegra: Remove calls to dev_pm_opp_set_clkname()

From: Viresh Kumar
Date: Fri Jan 22 2021 - 01:01:39 EST


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@xxxxxxxxxx>
---
Dmitry, am I missing something obvious here ?

drivers/memory/tegra/tegra20-emc.c | 13 ++-----------
drivers/memory/tegra/tegra30-emc.c | 13 ++-----------
2 files changed, 4 insertions(+), 22 deletions(-)

diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index 686aaf477d8a..d653a6be8d7f 100644
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c
@@ -911,21 +911,14 @@ static int tegra_emc_interconnect_init(struct tegra_emc *emc)
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 @@ static int tegra_emc_opp_table_init(struct tegra_emc *emc)
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;
}
diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c
index 44ac155936aa..6985da0ffb35 100644
--- a/drivers/memory/tegra/tegra30-emc.c
+++ b/drivers/memory/tegra/tegra30-emc.c
@@ -1483,21 +1483,14 @@ static int tegra_emc_interconnect_init(struct tegra_emc *emc)
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 @@ static int tegra_emc_opp_table_init(struct tegra_emc *emc)
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;
}
--
2.25.0.rc1.19.g042ed3e048af