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path: root/drivers/gpu/drm/tegra/dpaux.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/dpaux.c')
-rw-r--r--drivers/gpu/drm/tegra/dpaux.c37
1 files changed, 17 insertions, 20 deletions
diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 3c84e73d5051..e5297ac5c0fc 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -8,7 +8,7 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
@@ -447,7 +447,6 @@ static const struct pinmux_ops tegra_dpaux_pinmux_ops = {
static int tegra_dpaux_probe(struct platform_device *pdev)
{
struct tegra_dpaux *dpaux;
- struct resource *regs;
u32 value;
int err;
@@ -461,14 +460,13 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&dpaux->list);
dpaux->dev = &pdev->dev;
- regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- dpaux->regs = devm_ioremap_resource(&pdev->dev, regs);
+ dpaux->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(dpaux->regs))
return PTR_ERR(dpaux->regs);
dpaux->irq = platform_get_irq(pdev, 0);
if (dpaux->irq < 0)
- return -ENXIO;
+ return dpaux->irq;
if (!pdev->dev.pm_domain) {
dpaux->rst = devm_reset_control_get(&pdev->dev, "dpaux");
@@ -503,14 +501,9 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
dpaux->vdd = devm_regulator_get_optional(&pdev->dev, "vdd");
if (IS_ERR(dpaux->vdd)) {
- if (PTR_ERR(dpaux->vdd) != -ENODEV) {
- if (PTR_ERR(dpaux->vdd) != -EPROBE_DEFER)
- dev_err(&pdev->dev,
- "failed to get VDD supply: %ld\n",
- PTR_ERR(dpaux->vdd));
-
- return PTR_ERR(dpaux->vdd);
- }
+ if (PTR_ERR(dpaux->vdd) != -ENODEV)
+ return dev_err_probe(&pdev->dev, PTR_ERR(dpaux->vdd),
+ "failed to get VDD supply\n");
dpaux->vdd = NULL;
}
@@ -524,7 +517,7 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
if (err < 0) {
dev_err(dpaux->dev, "failed to request IRQ#%u: %d\n",
dpaux->irq, err);
- return err;
+ goto err_pm_disable;
}
disable_irq(dpaux->irq);
@@ -544,7 +537,7 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
*/
err = tegra_dpaux_pad_config(dpaux, DPAUX_PADCTL_FUNC_I2C);
if (err < 0)
- return err;
+ goto err_pm_disable;
#ifdef CONFIG_GENERIC_PINCONF
dpaux->desc.name = dev_name(&pdev->dev);
@@ -557,7 +550,8 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
dpaux->pinctrl = devm_pinctrl_register(&pdev->dev, &dpaux->desc, dpaux);
if (IS_ERR(dpaux->pinctrl)) {
dev_err(&pdev->dev, "failed to register pincontrol\n");
- return PTR_ERR(dpaux->pinctrl);
+ err = PTR_ERR(dpaux->pinctrl);
+ goto err_pm_disable;
}
#endif
/* enable and clear all interrupts */
@@ -573,13 +567,18 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
err = devm_of_dp_aux_populate_ep_devices(&dpaux->aux);
if (err < 0) {
dev_err(dpaux->dev, "failed to populate AUX bus: %d\n", err);
- return err;
+ goto err_pm_disable;
}
return 0;
+
+err_pm_disable:
+ pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
+ return err;
}
-static int tegra_dpaux_remove(struct platform_device *pdev)
+static void tegra_dpaux_remove(struct platform_device *pdev)
{
struct tegra_dpaux *dpaux = platform_get_drvdata(pdev);
@@ -594,8 +593,6 @@ static int tegra_dpaux_remove(struct platform_device *pdev)
mutex_lock(&dpaux_lock);
list_del(&dpaux->list);
mutex_unlock(&dpaux_lock);
-
- return 0;
}
static int tegra_dpaux_suspend(struct device *dev)