firmware: xilinx: Remove eemi ops for request_node

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

Signed-off-by: Rajan Vaja <[e-mail]>
Signed-off-by: Jolly Shah <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/firmware/xilinx/zynqmp.c

···
  *
  * Return: Returns status, either success or error+reason
  */
-static int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
-				  const u32 qos,
-				  const enum zynqmp_pm_request_ack ack)
+int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
+			   const u32 qos, const enum zynqmp_pm_request_ack ack)
 {
 	return zynqmp_pm_invoke_fn(PM_REQUEST_NODE, node, capabilities,
 				   qos, ack, NULL);
 }
+EXPORT_SYMBOL_GPL(zynqmp_pm_request_node);
 
 /**
  * zynqmp_pm_release_node() - Release a node
···
 }
 
 static const struct zynqmp_eemi_ops eemi_ops = {
-	.request_node = zynqmp_pm_request_node,
 	.release_node = zynqmp_pm_release_node,
 	.set_requirement = zynqmp_pm_set_requirement,
 	.fpga_load = zynqmp_pm_fpga_load,

drivers/soc/xilinx/zynqmp_pm_domains.c

···
 	int ret;
 	struct zynqmp_pm_domain *pd;
 
-	if (!eemi_ops->request_node)
-		return -ENXIO;
-
 	pd = container_of(domain, struct zynqmp_pm_domain, gpd);
 
 	/* If this is not the first device to attach there is nothing to do */
 	if (domain->device_count)
 		return 0;
 
-	ret = eemi_ops->request_node(pd->node_id, 0, 0,
+	ret = zynqmp_pm_request_node(pd->node_id, 0, 0,
 				     ZYNQMP_PM_REQUEST_ACK_BLOCKING);
 	/* If requesting a node fails print and return the error */
 	if (ret) {

include/linux/firmware/xlnx-zynqmp.h

···
 struct zynqmp_eemi_ops {
 	int (*fpga_load)(const u64 address, const u32 size, const u32 flags);
 	int (*fpga_get_status)(u32 *value);
-	int (*request_node)(const u32 node,
-			    const u32 capabilities,
-			    const u32 qos,
-			    const enum zynqmp_pm_request_ack ack);
 	int (*release_node)(const u32 node);
 	int (*set_requirement)(const u32 node,
 			       const u32 capabilities,
···
 int zynqmp_pm_reset_get_status(const enum zynqmp_pm_reset reset, u32 *status);
 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);
 #else
 static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
 {
···
 	return -ENODEV;
 }
 static inline int zynqmp_pm_set_suspend_mode(u32 mode)
+{
+	return -ENODEV;
+}
+static inline int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
+					 const u32 qos,
+					 const enum zynqmp_pm_request_ack ack)
 {
 	return -ENODEV;
 }