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platform/x86/intel-uncore-freq: Don't present root domain on error

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If none of the clusters are added because of some error, fail to load
driver without presenting root domain. In this case root domain will
present invalid data.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Fixes: 01c10f88c9 ("platform/x86/intel-uncore-freq: tpmi: Provide cluster level control")
Cc: <stable@vger.kernel.org> # 6.5+
Link: https://lore.kernel.org/r/20240415215210.2824868-1-srinivas.pandruvada@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Srinivas Pandruvada 2024-04-15 14:52:10 -07:00 committed by Hans de Goede
parent 4acf5cac1c
commit db643cb7eb
1 changed files with 7 additions and 0 deletions
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7
drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
View file

@ -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;
@ -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;