From: Shyam Sundar S K Date: Wed, 6 Mar 2024 11:44:10 +0000 (+0530) Subject: platform/x86/amd/pmf: Disable debugfs support for querying power thermals X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=233f78e11e1fa0387d1600875bef02a2d714f2e2;p=linux.git platform/x86/amd/pmf: Disable debugfs support for querying power thermals The GET interface to receive the active power thermal information from the PMFW has been deprecated. Hence drop the debugfs support from version2 onwards. Reviewed-by: Kuppuswamy Sathyanarayanan Co-developed-by: Patil Rajesh Reddy Signed-off-by: Patil Rajesh Reddy Signed-off-by: Shyam Sundar S K Link: https://lore.kernel.org/r/20240306114415.3267603-3-Shyam-sundar.S-k@amd.com Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen --- diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index feaa09f5b35a1..a6bdde4f1c68e 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 2f23ced7da66d..51e31d008ef99 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;