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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-03-13 21:28:47 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-03-17 17:29:12 +0300
commitc8e15075b2cb58d0ff08cc8772ce259d1be6b0cd (patch)
treeb2b794d450721c04825b3fefd6bb598f8763f86b /drivers
parent6644a426eb0d19220298e25ff26cde6302c60482 (diff)
downloadlinux-c8e15075b2cb58d0ff08cc8772ce259d1be6b0cd.tar.xz
platform/x86: intel-uncore-freq: move to use bus_get_dev_root()
Direct access to the struct bus_type dev_root pointer is going away soon so replace that with a call to bus_get_dev_root() instead, which is what it is there for. Cc: Mark Gross <markgross@kernel.org> Cc: platform-driver-x86@vger.kernel.org Acked-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://lore.kernel.org/r/20230313182918.1312597-5-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c
index cb24de9e97dc..1a300e14f350 100644
--- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c
+++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c
@@ -224,9 +224,15 @@ int uncore_freq_common_init(int (*read_control_freq)(struct uncore_data *data, u
uncore_write = write_control_freq;
uncore_read_freq = read_freq;
- if (!uncore_root_kobj)
- uncore_root_kobj = kobject_create_and_add("intel_uncore_frequency",
- &cpu_subsys.dev_root->kobj);
+ if (!uncore_root_kobj) {
+ struct device *dev_root = bus_get_dev_root(&cpu_subsys);
+
+ if (dev_root) {
+ uncore_root_kobj = kobject_create_and_add("intel_uncore_frequency",
+ &dev_root->kobj);
+ put_device(dev_root);
+ }
+ }
if (uncore_root_kobj)
++uncore_instance_count;
mutex_unlock(&uncore_lock);