thermal: tegra-bpmp: Convert to platform remove callback returning void

The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.

To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().

Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/thermal/tegra/tegra-bpmp-thermal.c b/drivers/thermal/tegra/tegra-bpmp-thermal.c
index 4ffc3bb3bf35ce911158d401f85f6786ec0dfd4f..72ce14c980cdb4e71d3286e67900f3f5896da02e 100644 (file)
--- a/drivers/thermal/tegra/tegra-bpmp-thermal.c
+++ b/drivers/thermal/tegra/tegra-bpmp-thermal.c
@@ -300,13 +300,11 @@ static int tegra_bpmp_thermal_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int tegra_bpmp_thermal_remove(struct platform_device *pdev)
+static void tegra_bpmp_thermal_remove(struct platform_device *pdev)
 {
        struct tegra_bpmp_thermal *tegra = platform_get_drvdata(pdev);
 
        tegra_bpmp_free_mrq(tegra->bpmp, MRQ_THERMAL, tegra);
-
-       return 0;
 }
 
 static const struct of_device_id tegra_bpmp_thermal_of_match[] = {
@@ -317,7 +315,7 @@ MODULE_DEVICE_TABLE(of, tegra_bpmp_thermal_of_match);
 
 static struct platform_driver tegra_bpmp_thermal_driver = {
        .probe = tegra_bpmp_thermal_probe,
-       .remove = tegra_bpmp_thermal_remove,
+       .remove_new = tegra_bpmp_thermal_remove,
        .driver = {
                .name = "tegra-bpmp-thermal",
                .of_match_table = tegra_bpmp_thermal_of_match,