在 2016年03月10日 05:35, Eduardo Valentin 写道:
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: Heiko Stuebner <heiko@xxxxxxxxx>
Cc: linux-pm@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Eduardo Valentin <edubezval@xxxxxxxxx>
Tested-by: Caesar Wang <wxt@xxxxxxxxxxxxxx>
Reviewed-by: Caesar Wang <wxt@xxxxxxxxxxxxxx>
I just cherry-pick the devm* patches to test the rockchip thermal.
---
drivers/thermal/rockchip_thermal.c | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index b58e3fb..792c5d0 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -753,8 +753,8 @@ rockchip_thermal_register_sensor(struct platform_device *pdev,
sensor->thermal = thermal;
sensor->id = id;
- sensor->tzd = thermal_zone_of_sensor_register(&pdev->dev, id, sensor,
- &rockchip_of_thermal_ops);
+ sensor->tzd = devm_thermal_zone_of_sensor_register(&pdev->dev, id,
+ sensor, &rockchip_of_thermal_ops);
if (IS_ERR(sensor->tzd)) {
error = PTR_ERR(sensor->tzd);
dev_err(&pdev->dev, "failed to register sensor %d: %d\n",
@@ -782,7 +782,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
const struct of_device_id *match;
struct resource *res;
int irq;
- int i, j;
+ int i;
int error;
match = of_match_node(of_rockchip_thermal_match, np);
@@ -865,9 +865,6 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"failed to register sensor[%d] : error = %d\n",
i, error);
- for (j = 0; j < i; j++)
- thermal_zone_of_sensor_unregister(&pdev->dev,
- thermal->sensors[j].tzd);
goto err_disable_pclk;
}
}
@@ -879,7 +876,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
if (error) {
dev_err(&pdev->dev,
"failed to request tsadc irq: %d\n", error);
- goto err_unregister_sensor;
+ goto err_disable_pclk;
}
thermal->chip->control(thermal->regs, true);
@@ -891,11 +888,6 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
return 0;
-err_unregister_sensor:
- while (i--)
- thermal_zone_of_sensor_unregister(&pdev->dev,
- thermal->sensors[i].tzd);
-
err_disable_pclk:
clk_disable_unprepare(thermal->pclk);
err_disable_clk:
@@ -913,7 +905,6 @@ static int rockchip_thermal_remove(struct platform_device *pdev)
struct rockchip_thermal_sensor *sensor = &thermal->sensors[i];
rockchip_thermal_toggle_sensor(sensor, false);
- thermal_zone_of_sensor_unregister(&pdev->dev, sensor->tzd);
}
thermal->chip->control(thermal->regs, false);
--
Thanks,
Caesar
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