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Subject[PATCH] thermal: devfreq_cooling: inline all stubs for CONFIG_DEVFREQ_THERMAL=n
When CONFIG_DEVFREQ_THERMAL is disabled all functions except
of_devfreq_cooling_register_power() were already inlined. Also inline
the last function to avoid compile errors when multiple drivers call
of_devfreq_cooling_register_power() when CONFIG_DEVFREQ_THERMAL is not
set. Compilation failed with the following message:
multiple definition of `of_devfreq_cooling_register_power'
(which then lists all usages of of_devfreq_cooling_register_power())

Thomas Zimmermann reported this problem [0] on a kernel config with
CONFIG_DEVFREQ_THERMAL=n after both, the lima and panfrost drivers
gained devfreq cooling support.


Fixes: a76caf55e5b356 ("thermal: Add devfreq cooling")
Reported-by: Thomas Zimmermann <>
Signed-off-by: Martin Blumenstingl <>
include/linux/devfreq_cooling.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/devfreq_cooling.h b/include/linux/devfreq_cooling.h
index 4635f95000a4..79a6e37a1d6f 100644
--- a/include/linux/devfreq_cooling.h
+++ b/include/linux/devfreq_cooling.h
@@ -75,7 +75,7 @@ void devfreq_cooling_unregister(struct thermal_cooling_device *dfc);


-struct thermal_cooling_device *
+static inline struct thermal_cooling_device *
of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
struct devfreq_cooling_power *dfc_power)
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