diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/platform_profile.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index 161a05d57b0f..120f8402facd 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -465,12 +465,23 @@ int platform_profile_register(struct platform_profile_handler *pprof, void *drvd int err; /* Sanity check the profile handler */ - if (!pprof || bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST) || - !pprof->ops->profile_set || !pprof->ops->profile_get) { + if (!pprof || !pprof->ops->profile_set || !pprof->ops->profile_get || + !pprof->ops->probe) { pr_err("platform_profile: handler is invalid\n"); return -EINVAL; } + err = pprof->ops->probe(drvdata, pprof->choices); + if (err) { + dev_err(pprof->dev, "platform_profile probe failed\n"); + return err; + } + + if (bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST)) { + dev_err(pprof->dev, "Failed to register a platform_profile class device with empty choices\n"); + return -EINVAL; + } + guard(mutex)(&profile_lock); /* create class interface for individual handler */ |