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path: root/drivers/memory/tegra/tegra30-emc.c
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Diffstat (limited to 'drivers/memory/tegra/tegra30-emc.c')
-rw-r--r--drivers/memory/tegra/tegra30-emc.c56
1 files changed, 6 insertions, 50 deletions
diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c
index 829f6d673c96..7e21a852f2e1 100644
--- a/drivers/memory/tegra/tegra30-emc.c
+++ b/drivers/memory/tegra/tegra30-emc.c
@@ -150,8 +150,8 @@
#define EMC_SELF_REF_CMD_ENABLED BIT(0)
#define DRAM_DEV_SEL_ALL (0 << 30)
-#define DRAM_DEV_SEL_0 (2 << 30)
-#define DRAM_DEV_SEL_1 (1 << 30)
+#define DRAM_DEV_SEL_0 BIT(31)
+#define DRAM_DEV_SEL_1 BIT(30)
#define DRAM_BROADCAST(num) \
((num) > 1 ? DRAM_DEV_SEL_ALL : DRAM_DEV_SEL_0)
@@ -1354,10 +1354,6 @@ static void tegra_emc_debugfs_init(struct tegra_emc *emc)
}
emc->debugfs.root = debugfs_create_dir("emc", NULL);
- if (!emc->debugfs.root) {
- dev_err(emc->dev, "failed to create debugfs directory\n");
- return;
- }
debugfs_create_file("available_rates", 0444, emc->debugfs.root,
emc, &tegra_emc_debug_available_rates_fops);
@@ -1480,49 +1476,6 @@ err_msg:
return err;
}
-static int tegra_emc_opp_table_init(struct tegra_emc *emc)
-{
- u32 hw_version = BIT(tegra_sku_info.soc_speedo_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);
@@ -1568,6 +1521,7 @@ static int tegra_emc_init_clk(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 err;
@@ -1617,7 +1571,9 @@ 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;