KVM's PSCI proxy could probe the firmware to establish features
supported for CPU_SUSPEND, but since the kernel's PSCI driver already
does that, and other information about the driver is already exported,
export the value of psci_cpu_suspend_feature as well for convenience.
Signed-off-by: David Brazdil <dbrazdil@xxxxxxxxxx>
---
drivers/firmware/psci/psci.c | 2 +-
include/linux/psci.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index ffcb88f60e21..b6ad237b1518 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -71,7 +71,7 @@ u32 psci_function_id[PSCI_FN_MAX];
(PSCI_1_0_EXT_POWER_STATE_ID_MASK | \
PSCI_1_0_EXT_POWER_STATE_TYPE_MASK)
-static u32 psci_cpu_suspend_feature;
+u32 psci_cpu_suspend_feature;
static bool psci_system_reset2_supported;
static inline bool psci_has_ext_power_state(void)
diff --git a/include/linux/psci.h b/include/linux/psci.h
index 877d844ee6d9..a5832d91d493 100644
--- a/include/linux/psci.h
+++ b/include/linux/psci.h
@@ -29,6 +29,8 @@ bool psci_has_osi_support(void);
*/
extern int psci_driver_version;
+extern u32 psci_cpu_suspend_feature;
+
enum psci_function {
PSCI_FN_CPU_SUSPEND,
PSCI_FN_CPU_ON,
--
2.29.1.341.ge80a0c044ae-goog
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