aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c')
-rw-r--r--drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
index bd75d61ff8a661..bb8e72deb3542f 100644
--- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
+++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
@@ -29,7 +29,7 @@
#include "uncore-frequency-common.h"
#define UNCORE_MAJOR_VERSION 0
-#define UNCORE_MINOR_VERSION 1
+#define UNCORE_MINOR_VERSION 2
#define UNCORE_HEADER_INDEX 0
#define UNCORE_FABRIC_CLUSTER_OFFSET 8
@@ -240,6 +240,7 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_
bool read_blocked = 0, write_blocked = 0;
struct intel_tpmi_plat_info *plat_info;
struct tpmi_uncore_struct *tpmi_uncore;
+ bool uncore_sysfs_added = false;
int ret, i, pkg = 0;
int num_resources;
@@ -329,7 +330,7 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_
goto remove_clusters;
}
- if (TPMI_MINOR_VERSION(pd_info->ufs_header_ver) != UNCORE_MINOR_VERSION)
+ if (TPMI_MINOR_VERSION(pd_info->ufs_header_ver) > UNCORE_MINOR_VERSION)
dev_info(&auxdev->dev, "Uncore: Ignore: Unsupported minor version:%lx\n",
TPMI_MINOR_VERSION(pd_info->ufs_header_ver));
@@ -384,9 +385,15 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_
}
/* Point to next cluster offset */
cluster_offset >>= UNCORE_MAX_CLUSTER_PER_DOMAIN;
+ uncore_sysfs_added = true;
}
}
+ if (!uncore_sysfs_added) {
+ ret = -ENODEV;
+ goto remove_clusters;
+ }
+
auxiliary_set_drvdata(auxdev, tpmi_uncore);
tpmi_uncore->root_cluster.root_domain = true;