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Diffstat (limited to 'include/acpi/cppc_acpi.h')
-rw-r--r--include/acpi/cppc_acpi.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
index 930b6afba6f4..e1720d930666 100644
--- a/include/acpi/cppc_acpi.h
+++ b/include/acpi/cppc_acpi.h
@@ -64,6 +64,8 @@ struct cpc_desc {
int cpu_id;
int write_cmd_status;
int write_cmd_id;
+ /* Lock used for RMW operations in cpc_write() */
+ spinlock_t rmw_lock;
struct cpc_register_resource cpc_regs[MAX_CPC_REG_ENT];
struct acpi_psd_package domain_info;
struct kobject kobj;