In order to prepare for having support for multiple platform handlers
a list will be needed to iterate over them for various platform
profile handler calls.
Tested-by: Matthew Schwartz <matthew.schwartz@xxxxxxxxx>
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
drivers/acpi/platform_profile.c | 5 ++++-
include/linux/platform_profile.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
index c24744da20916..0c60fc970b6e8 100644
--- a/drivers/acpi/platform_profile.c
+++ b/drivers/acpi/platform_profile.c
@@ -10,6 +10,7 @@
#include <linux/sysfs.h>
static struct platform_profile_handler *cur_profile;
+static LIST_HEAD(platform_profile_handler_list);
static DEFINE_MUTEX(profile_lock);
static const char * const profile_names[] = {
@@ -198,6 +199,7 @@ int platform_profile_register(struct platform_profile_handler *pprof)
mutex_unlock(&profile_lock);
return err;
}
+ list_add_tail(&pprof->list, &platform_profile_handler_list);
cur_profile = pprof;
mutex_unlock(&profile_lock);
@@ -207,8 +209,9 @@ EXPORT_SYMBOL_GPL(platform_profile_register);
int platform_profile_remove(struct platform_profile_handler *pprof)
{
- sysfs_remove_group(acpi_kobj, &platform_profile_group);
+ list_del(&pprof->list);
+ sysfs_remove_group(acpi_kobj, &platform_profile_group);
mutex_lock(&profile_lock);
cur_profile = NULL;
mutex_unlock(&profile_lock);
diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h
index 58279b76d740e..9ded63a9ae6f1 100644
--- a/include/linux/platform_profile.h
+++ b/include/linux/platform_profile.h
@@ -29,6 +29,7 @@ enum platform_profile_option {
struct platform_profile_handler {
const char *name;
unsigned long choices[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)];
+ struct list_head list;
int (*profile_get)(struct platform_profile_handler *pprof,
enum platform_profile_option *profile);
int (*profile_set)(struct platform_profile_handler *pprof,
--
2.43.0
