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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2023-06-12 15:40:33 -0700
committerHans de Goede <hdegoede@redhat.com>2023-06-13 12:35:00 +0200
commitb77b75fc61216cfaa974a8241186635eabe6671a (patch)
treef12b3db8e20eec026a6c6765668104fad325f8c6 /drivers/platform
parentfa5e68b1c10d56befcee2ee0a9e1eed2c830e352 (diff)
platform/x86: ISST: Fix usage counter
On multi package system, the TPMI SST instance is getting allocated again as the usage counter is not getting incremented. Here the instance is allocated only when the usage count is zero. There is no need to allocate again. Increment usage ID on successful return from isst_if_cdev_register(). Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://lore.kernel.org/r/20230612224033.2382527-3-srinivas.pandruvada@linux.intel.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
index 664d2ee60385..63faa2ea8327 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
@@ -1414,6 +1414,8 @@ int tpmi_sst_init(void)
ret = isst_if_cdev_register(ISST_IF_DEV_TPMI, &cb);
if (ret)
kfree(isst_common.sst_inst);
+ else
+ ++isst_core_usage_count;
init_done:
mutex_unlock(&isst_tpmi_dev_lock);
return ret;