As support for multiple simultaneous platform handers is introduced it's important they have at least the balanced profile in common. This will be used as a fallback in case setting the profile across one of the handlers happens to fail. Tested-by: Matthew Schwartz <matthew.schwartz@xxxxxxxxx> Suggested-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> --- drivers/acpi/platform_profile.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index ede1550170f1a..c0d0775831214 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -190,9 +190,14 @@ int platform_profile_register(struct platform_profile_handler *pprof) { int err; - /* Sanity check the profile handler field are set */ + /* Sanity check the profile handler field are set and balanced is supported */ if (!pprof || bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST) || !pprof->profile_set || !pprof->profile_get) { + pr_err("platform_profile: handler is invalid\n"); + return -EINVAL; + } + if (!test_bit(PLATFORM_PROFILE_BALANCED, pprof->choices)) { + pr_err("platform_profile: handler does not support balanced profile\n"); return -EINVAL; } -- 2.43.0