diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/platform/x86/amd/pmf/core.c | 5 | ||||
-rw-r--r-- | drivers/platform/x86/amd/pmf/pmf.h | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index feaa09f5b35a..a6bdde4f1c68 100644 --- a/drivers/platform/x86/amd/pmf/core.c +++ b/drivers/platform/x86/amd/pmf/core.c @@ -113,8 +113,9 @@ static void amd_pmf_dbgfs_unregister(struct amd_pmf_dev *dev) static void amd_pmf_dbgfs_register(struct amd_pmf_dev *dev) { dev->dbgfs_dir = debugfs_create_dir("amd_pmf", NULL); - debugfs_create_file("current_power_limits", 0644, dev->dbgfs_dir, dev, - ¤t_power_limits_fops); + if (dev->pmf_if_version == PMF_IF_V1) + debugfs_create_file("current_power_limits", 0644, dev->dbgfs_dir, dev, + ¤t_power_limits_fops); } int amd_pmf_get_power_source(void) diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index 2f23ced7da66..51e31d008ef9 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -87,6 +87,8 @@ struct cookie_header { #define TA_OUTPUT_RESERVED_MEM 906 #define MAX_OPERATION_PARAMS 4 +#define PMF_IF_V1 1 + /* AMD PMF BIOS interfaces */ struct apmf_verify_interface { u16 size; |