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authorPreetham Ramchandra <pchandru@nvidia.com>2018-03-12 14:40:34 +0300
committerTejun Heo <tj@kernel.org>2018-03-14 18:24:20 +0300
commit43ee827b562b092f594375945aec9178f9b5cca4 (patch)
tree0b89cbd83d5192907b79d30bffd7b7df4a314870 /drivers/ata/ahci_tegra.c
parent56337b5576074ece867054b1ec231017a1a0a6b8 (diff)
downloadlinux-43ee827b562b092f594375945aec9178f9b5cca4.tar.xz
ata: ahci_tegra: initialize regulators from soc struct
Get the regulator names to be initialized from soc structure and initialize them. Signed-off-by: Preetham Chandru R <pchandru@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/ahci_tegra.c')
-rw-r--r--drivers/ata/ahci_tegra.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/drivers/ata/ahci_tegra.c b/drivers/ata/ahci_tegra.c
index 055c65082a93..547a6f93922c 100644
--- a/drivers/ata/ahci_tegra.c
+++ b/drivers/ata/ahci_tegra.c
@@ -164,6 +164,8 @@ struct tegra_ahci_ops {
};
struct tegra_ahci_soc {
+ const char *const *supply_names;
+ u32 num_supplies;
const struct tegra_ahci_ops *ops;
};
@@ -175,7 +177,7 @@ struct tegra_ahci_priv {
struct reset_control *sata_cold_rst;
/* Needs special handling, cannot use ahci_platform */
struct clk *sata_clk;
- struct regulator_bulk_data supplies[5];
+ struct regulator_bulk_data *supplies;
const struct tegra_ahci_soc *soc;
};
@@ -228,7 +230,7 @@ static int tegra_ahci_power_on(struct ahci_host_priv *hpriv)
struct tegra_ahci_priv *tegra = hpriv->plat_data;
int ret;
- ret = regulator_bulk_enable(ARRAY_SIZE(tegra->supplies),
+ ret = regulator_bulk_enable(tegra->soc->num_supplies,
tegra->supplies);
if (ret)
return ret;
@@ -257,7 +259,7 @@ disable_power:
tegra_powergate_power_off(TEGRA_POWERGATE_SATA);
disable_regulators:
- regulator_bulk_disable(ARRAY_SIZE(tegra->supplies), tegra->supplies);
+ regulator_bulk_disable(tegra->soc->num_supplies, tegra->supplies);
return ret;
}
@@ -275,7 +277,7 @@ static void tegra_ahci_power_off(struct ahci_host_priv *hpriv)
clk_disable_unprepare(tegra->sata_clk);
tegra_powergate_power_off(TEGRA_POWERGATE_SATA);
- regulator_bulk_disable(ARRAY_SIZE(tegra->supplies), tegra->supplies);
+ regulator_bulk_disable(tegra->soc->num_supplies, tegra->supplies);
}
static int tegra_ahci_controller_init(struct ahci_host_priv *hpriv)
@@ -433,11 +435,17 @@ static const struct ata_port_info ahci_tegra_port_info = {
.port_ops = &ahci_tegra_port_ops,
};
+static const char *const tegra124_supply_names[] = {
+ "avdd", "hvdd", "vddio", "target-5v", "target-12v"
+};
+
static const struct tegra_ahci_ops tegra124_ahci_ops = {
.init = tegra124_ahci_init,
};
static const struct tegra_ahci_soc tegra124_ahci_soc = {
+ .supply_names = tegra124_supply_names,
+ .num_supplies = ARRAY_SIZE(tegra124_supply_names),
.ops = &tegra124_ahci_ops,
};
@@ -460,6 +468,7 @@ static int tegra_ahci_probe(struct platform_device *pdev)
struct tegra_ahci_priv *tegra;
struct resource *res;
int ret;
+ unsigned int i;
hpriv = ahci_platform_get_resources(pdev);
if (IS_ERR(hpriv))
@@ -503,13 +512,17 @@ static int tegra_ahci_probe(struct platform_device *pdev)
return PTR_ERR(tegra->sata_clk);
}
- tegra->supplies[0].supply = "avdd";
- tegra->supplies[1].supply = "hvdd";
- tegra->supplies[2].supply = "vddio";
- tegra->supplies[3].supply = "target-5v";
- tegra->supplies[4].supply = "target-12v";
+ tegra->supplies = devm_kcalloc(&pdev->dev,
+ tegra->soc->num_supplies,
+ sizeof(*tegra->supplies), GFP_KERNEL);
+ if (!tegra->supplies)
+ return -ENOMEM;
+
+ for (i = 0; i < tegra->soc->num_supplies; i++)
+ tegra->supplies[i].supply = tegra->soc->supply_names[i];
- ret = devm_regulator_bulk_get(&pdev->dev, ARRAY_SIZE(tegra->supplies),
+ ret = devm_regulator_bulk_get(&pdev->dev,
+ tegra->soc->num_supplies,
tegra->supplies);
if (ret) {
dev_err(&pdev->dev, "Failed to get regulators\n");