Messages in this thread Patch in this message | | | From | Zhang Rui <> | Subject | [PATCH 4/5] thermal/core: Enforce paired .bind/.unbind callbacks | Date | Fri, 24 Mar 2023 15:08:06 +0800 |
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The .bind/.unbind callbacks are designed to allow the thermal zone device to bind to/unbind from a matched cooling device, with thermal instances created/deleted.
In this sense, .bind/.unbind callbacks must exist in pairs.
Signed-off-by: Zhang Rui <rui.zhang@intel.com> --- drivers/thermal/thermal_core.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 5225d65fb0e0..9c447f22cb39 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1258,6 +1258,11 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t if (num_trips > 0 && (!ops->get_trip_type || !ops->get_trip_temp) && !trips) return ERR_PTR(-EINVAL); + if ((ops->bind && !ops->unbind) || (!ops->bind && ops->unbind)) { + pr_err("Thermal zone device .bind/.unbind not paired\n"); + return ERR_PTR(-EINVAL); + } + if (!thermal_class) return ERR_PTR(-ENODEV); -- 2.25.1
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