ata: tegra: Use devm for tegra_prod allocation

Use devm_tegra_prod_get() to allocate the tegra_prod handle.
This is managed API and do not need to explicitly release the
handle.

Change-Id: I86a76a844e10cdcb85d88747fb338e3afba6769a
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/1174611
(cherry picked from commit 728447d4aea4747228dbf588e303f5b96abe0d13)

2 files changed, 2 insertions, 16 deletions

diff --git a/drivers/ata/tegra/ahci_tegra.c b/drivers/ata/tegra/ahci_tegra.c
index e87776502..d687c9779 100644
--- a/drivers/ata/tegra/ahci_tegra.c
+++ b/drivers/ata/tegra/ahci_tegra.c
@@ -729,11 +729,6 @@ static void tegra_ahci_power_off(struct ahci_host_priv *hpriv)
 
         regulator_bulk_disable(tegra->soc_data->num_sata_regulators,
                         tegra->supplies);
-
-        if (tegra && tegra->prod_list) {
-                tegra_prod_release(&tegra->prod_list);
-                tegra->prod_list = NULL;
-        }
 }
 
 static int tegra_ahci_controller_init(struct ahci_host_priv *hpriv)
@@ -1235,7 +1230,7 @@ tegra_ahci_platform_get_resources(struct tegra_ahci_priv *tegra)
                 goto err_out;
         }
 
-        tegra->prod_list = tegra_prod_init(dev->of_node);
+        tegra->prod_list = devm_tegra_prod_get(dev);
         if (IS_ERR(tegra->prod_list)) {
                 dev_err(dev, "Prod Init failed\n");
                 tegra->prod_list = NULL;
@@ -1257,17 +1252,8 @@ err_out:
 
 static void tegra_ahci_shutdown(struct platform_device *pdev)
 {
-        struct ata_host *host = platform_get_drvdata(pdev);
-        struct ahci_host_priv *hpriv = host->private_data;
-        struct tegra_ahci_priv *tegra = hpriv->plat_data;
-
         if (!pm_runtime_suspended(&pdev->dev))
                 ata_platform_remove_one(pdev);
-
-        if (tegra && tegra->prod_list) {
-                tegra_prod_release(&tegra->prod_list);
-                tegra->prod_list = NULL;
-        }
 }
 
 static int tegra_ahci_probe(struct platform_device *pdev)
diff --git a/drivers/ata/tegra/ahci_tegra.h b/drivers/ata/tegra/ahci_tegra.h
index 5bcb0bcf1..da2c79731 100644
--- a/drivers/ata/tegra/ahci_tegra.h
+++ b/drivers/ata/tegra/ahci_tegra.h
@@ -207,7 +207,7 @@ struct tegra_ahci_priv {
         struct pinctrl             *devslp_pin;
         struct pinctrl_state       *devslp_active;
         struct pinctrl_state       *devslp_pullup;
-        struct tegra_prod_list     *prod_list;
+        struct tegra_prod          *prod_list;
         int                        devslp_gpio;
         bool                       devslp_override;
         bool                       devslp_pinmux_override;