firmware: xilinx: Remove eemi ops for release_node

Use direct function call instead of using eemi ops for release_node.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Link: https://lore.kernel.org/r/1587761887-4279-18-git-send-email-jolly.shah@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/firmware/xilinx/zynqmp.c

@@ -760,10 +760,11 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_request_node);
  *
  * Return: Returns status, either success or error+reason
  */
-static int zynqmp_pm_release_node(const u32 node)
+int zynqmp_pm_release_node(const u32 node)
 {
 	return zynqmp_pm_invoke_fn(PM_RELEASE_NODE, node, 0, 0, 0, NULL);
 }
+EXPORT_SYMBOL_GPL(zynqmp_pm_release_node);
 
 /**
  * zynqmp_pm_set_requirement() - PM call to set requirement for PM slaves
@@ -810,7 +811,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
 }
 
 static const struct zynqmp_eemi_ops eemi_ops = {
-	.release_node = zynqmp_pm_release_node,
 	.set_requirement = zynqmp_pm_set_requirement,
 	.fpga_load = zynqmp_pm_fpga_load,
 	.fpga_get_status = zynqmp_pm_fpga_get_status,

drivers/soc/xilinx/zynqmp_pm_domains.c

@@ -196,16 +196,13 @@ static void zynqmp_gpd_detach_dev(struct generic_pm_domain *domain,
 	int ret;
 	struct zynqmp_pm_domain *pd;
 
-	if (!eemi_ops->release_node)
-		return;
-
 	pd = container_of(domain, struct zynqmp_pm_domain, gpd);
 
 	/* If this is not the last device to detach there is nothing to do */
 	if (domain->device_count)
 		return;
 
-	ret = eemi_ops->release_node(pd->node_id);
+	ret = zynqmp_pm_release_node(pd->node_id);
 	/* If releasing a node fails print the error and return */
 	if (ret) {
 		pr_err("%s() %s release failed for node %d: %d\n",

include/linux/firmware/xlnx-zynqmp.h

@@ -296,7 +296,6 @@ struct zynqmp_pm_query_data {
 struct zynqmp_eemi_ops {
 	int (*fpga_load)(const u64 address, const u32 size, const u32 flags);
 	int (*fpga_get_status)(u32 *value);
-	int (*release_node)(const u32 node);
 	int (*set_requirement)(const u32 node,
 			       const u32 capabilities,
 			       const u32 qos,
@@ -334,6 +333,7 @@ int zynqmp_pm_init_finalize(void);
 int zynqmp_pm_set_suspend_mode(u32 mode);
 int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
 			   const u32 qos, const enum zynqmp_pm_request_ack ack);
+int zynqmp_pm_release_node(const u32 node);
 #else
 static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
 {
@@ -436,6 +436,10 @@ static inline int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
 {
 	return -ENODEV;
 }
+static inline int zynqmp_pm_release_node(const u32 node)
+{
+	return -ENODEV;
+}
 #endif
 
 #endif /* __FIRMWARE_ZYNQMP_H__ */