This changes the driver to use the devm_ version
of thermal_zone_of_sensor_register and cleans
up the local points and unregister calls.
Cc: Zhang Rui <rui.zhang@xxxxxxxxx>
Cc: Stephen Warren <swarren@xxxxxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: Alexandre Courbot <gnurou@xxxxxxxxx>
Cc: linux-pm@xxxxxxxxxxxxxxx
Cc: linux-tegra@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Eduardo Valentin <edubezval@xxxxxxxxx>
---
drivers/thermal/tegra_soctherm.c | 31 +++++++++----------------------
1 file changed, 9 insertions(+), 22 deletions(-)
diff --git a/drivers/thermal/tegra_soctherm.c b/drivers/thermal/tegra_soctherm.c
index 74ea576..0018ccd 100644
--- a/drivers/thermal/tegra_soctherm.c
+++ b/drivers/thermal/tegra_soctherm.c
@@ -168,7 +168,7 @@ struct tegra_soctherm {
struct clk *clock_soctherm;
void __iomem *regs;
- struct thermal_zone_device *thermctl_tzs[4];
+#define ZONE_NUMBER 4
};
struct tsensor_shared_calibration {
@@ -342,7 +342,7 @@ static const struct thermctl_zone_desc t124_thermctl_temp_zones[] = {
static int tegra_soctherm_probe(struct platform_device *pdev)
{
struct tegra_soctherm *tegra;
- struct thermal_zone_device *tz;
+ struct thermal_zone_device *z;
struct tsensor_shared_calibration shared_calib;
struct resource *res;
unsigned int i;
@@ -408,36 +408,29 @@ static int tegra_soctherm_probe(struct platform_device *pdev)
/* Initialize thermctl sensors */
- for (i = 0; i < ARRAY_SIZE(tegra->thermctl_tzs); ++i) {
+ for (i = 0; i < ZONE_NUMBER; ++i) {
struct tegra_thermctl_zone *zone =
devm_kzalloc(&pdev->dev, sizeof(*zone), GFP_KERNEL);
if (!zone) {
err = -ENOMEM;
- goto unregister_tzs;
+ goto disable_clocks;
}
zone->reg = tegra->regs + t124_thermctl_temp_zones[i].offset;
zone->shift = t124_thermctl_temp_zones[i].shift;
- tz = thermal_zone_of_sensor_register(&pdev->dev, i, zone,
- &tegra_of_thermal_ops);
- if (IS_ERR(tz)) {
- err = PTR_ERR(tz);
+ z = devm_thermal_zone_of_sensor_register(&pdev->dev, i, zone,
+ &tegra_of_thermal_ops);
+ if (IS_ERR(z)) {
+ err = PTR_ERR(z);
dev_err(&pdev->dev, "failed to register sensor: %d\n",
err);
- goto unregister_tzs;
+ goto disable_clocks;
}
-
- tegra->thermctl_tzs[i] = tz;
}
return 0;
-unregister_tzs:
- while (i--)
- thermal_zone_of_sensor_unregister(&pdev->dev,
- tegra->thermctl_tzs[i]);
-
disable_clocks:
clk_disable_unprepare(tegra->clock_tsensor);
clk_disable_unprepare(tegra->clock_soctherm);
@@ -448,12 +441,6 @@ disable_clocks:
static int tegra_soctherm_remove(struct platform_device *pdev)
{
struct tegra_soctherm *tegra = platform_get_drvdata(pdev);
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(tegra->thermctl_tzs); ++i) {
- thermal_zone_of_sensor_unregister(&pdev->dev,
- tegra->thermctl_tzs[i]);
- }
clk_disable_unprepare(tegra->clock_tsensor);
clk_disable_unprepare(tegra->clock_soctherm);
--
2.1.4
--
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