2021-10-21 13:51:36

by Abhyuday Godhasara

[permalink] [raw]
Subject: [PATCH v5 3/6] firmware: xilinx: export the feature check of zynqmp firmware

Export the zynqmp_pm_feature(), so it can be use by other as to get API
version available in firmware.

Signed-off-by: Rajan Vaja <[email protected]>
Signed-off-by: Abhyuday Godhasara <[email protected]>
Acked-by: Michal Simek <[email protected]>
---
Changes in v5:
- None

Changes in v4:
- None

Changes in v3:
- None

Changes in v2:
- None
---
drivers/firmware/xilinx/zynqmp.c | 3 ++-
include/linux/firmware/xlnx-zynqmp.h | 6 ++++++
2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 6e653e9cea2d..e2c55f48b93d 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -153,7 +153,7 @@ static noinline int do_fw_call_hvc(u64 arg0, u64 arg1, u64 arg2,
*
* Return: Returns status, either success or error+reason
*/
-static int zynqmp_pm_feature(u32 api_id)
+int zynqmp_pm_feature(const u32 api_id)
{
int ret;
u32 ret_payload[PAYLOAD_ARG_CNT];
@@ -190,6 +190,7 @@ static int zynqmp_pm_feature(u32 api_id)

return ret;
}
+EXPORT_SYMBOL_GPL(zynqmp_pm_feature);

/**
* zynqmp_pm_invoke_fn() - Invoke the system-level platform management layer
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index aa9c6574eb66..02ff2f73ba51 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -433,6 +433,7 @@ int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param,
int zynqmp_pm_load_pdi(const u32 src, const u64 address);
int zynqmp_pm_register_notifier(const u32 node, const u32 event,
const u32 wake, const u32 enable);
+int zynqmp_pm_feature(const u32 api_id);
#else
static inline int zynqmp_pm_get_api_version(u32 *version)
{
@@ -651,6 +652,11 @@ static inline int zynqmp_pm_register_notifier(const u32 node, const u32 event,
{
return -ENODEV;
}
+
+static inline int zynqmp_pm_feature(const u32 api_id)
+{
+ return -ENODEV;
+}
#endif

#endif /* __FIRMWARE_ZYNQMP_H__ */
--
2.32.0.93.g670b81a