[PATCH 1/5] firmware: zynqmp: Change prototype of zynqmp_pmufw_load_config_object()

[Ashok Reddy Soma]

zynqmp_pmufw_load_config_object() has some error cases and it is better
to return those errors. Change prototype of this function to return
errors.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>
---

 drivers/firmware/firmware-zynqmp.c | 8 +++++---
 include/zynqmp_firmware.h          | 2 +-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index 0f0d2b07c0..34d9b47003 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -210,7 +210,7 @@ int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id)
  * @cfg_obj: Pointer to the configuration object
  * @size:    Size of @cfg_obj in bytes
  */
-void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size)
+int zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size)
 {
 	int err;
 	u32 ret_payload[PAYLOAD_ARG_CNT];
@@ -224,12 +224,12 @@ void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size)
 				0, ret_payload);
 	if (err == XST_PM_NO_ACCESS) {
 		printf("PMUFW no permission to change config object\n");
-		return;
+		return -EACCES;
 	}
 
 	if (err == XST_PM_ALREADY_CONFIGURED) {
 		debug("PMUFW Node is already configured\n");
-		return;
+		return -ENODEV;
 	}
 
 	if (err)
@@ -240,6 +240,8 @@ void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size)
 
 	if ((err || ret_payload[0]) && IS_ENABLED(CONFIG_SPL_BUILD))
 		panic("PMUFW config object loading failed in EL3\n");
+
+	return 0;
 }
 
 static int zynqmp_power_probe(struct udevice *dev)
diff --git a/include/zynqmp_firmware.h b/include/zynqmp_firmware.h
index 6c4fd9a6c5..1c22a62207 100644
--- a/include/zynqmp_firmware.h
+++ b/include/zynqmp_firmware.h
@@ -449,7 +449,7 @@ enum pm_gem_config_type {
 unsigned int zynqmp_firmware_version(void);
 int zynqmp_pmufw_node(u32 id);
 int zynqmp_pmufw_config_close(void);
-void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size);
+int zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size);
 int xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2,
 		      u32 arg3, u32 *ret_payload);
 int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value);
-- 
2.17.1