iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ata: ahci_tegra: initialize regulators from soc struct

Browse Source 
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>
This commit is contained in:
Preetham Ramchandra 2018-03-12 17:10:34 +05:30 committed by Tejun Heo
parent 56337b5576
commit 43ee827b56
1 changed files with 23 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/ata/ahci_tegra.c
View File

@ -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;
ret = devm_regulator_bulk_get(&pdev->dev, ARRAY_SIZE(tegra->supplies),
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,
tegra->soc->num_supplies,
tegra->supplies);
if (ret) {
dev_err(&pdev->dev, "Failed to get regulators\n");