firmware: xilinx: Remove eemi ops for set_requirement

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

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_set_requirement(const u32 node, const u32 capabilities,
-				     const u32 qos,
-				     const enum zynqmp_pm_request_ack ack)
+int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
+			      const u32 qos,
+			      const enum zynqmp_pm_request_ack ack)
 {
 	return zynqmp_pm_invoke_fn(PM_SET_REQUIREMENT, node, capabilities,
 				   qos, ack, NULL);
 }
+EXPORT_SYMBOL_GPL(zynqmp_pm_set_requirement);
 
 /**
  * zynqmp_pm_aes - Access AES hardware to encrypt/decrypt the data using
···
 }
 
 static const struct zynqmp_eemi_ops eemi_ops = {
-	.set_requirement = zynqmp_pm_set_requirement,
 	.fpga_load = zynqmp_pm_fpga_load,
 	.fpga_get_status = zynqmp_pm_fpga_get_status,
 	.aes = zynqmp_pm_aes_engine,

drivers/soc/xilinx/zynqmp_pm_domains.c

···
 /* Flag stating if PM nodes mapped to the PM domain has been requested */
 #define ZYNQMP_PM_DOMAIN_REQUESTED	BIT(0)
 
-static const struct zynqmp_eemi_ops *eemi_ops;
-
 static int min_capability;
 
 /**
···
 	int ret;
 	struct zynqmp_pm_domain *pd;
 
-	if (!eemi_ops->set_requirement)
-		return -ENXIO;
-
 	pd = container_of(domain, struct zynqmp_pm_domain, gpd);
-	ret = eemi_ops->set_requirement(pd->node_id,
+	ret = zynqmp_pm_set_requirement(pd->node_id,
 					ZYNQMP_PM_CAPABILITY_ACCESS,
 					ZYNQMP_PM_MAX_QOS,
 					ZYNQMP_PM_REQUEST_ACK_BLOCKING);
···
 	u32 capabilities = min_capability;
 	bool may_wakeup;
 
-	if (!eemi_ops->set_requirement)
-		return -ENXIO;
-
 	pd = container_of(domain, struct zynqmp_pm_domain, gpd);
 
 	/* If domain is already released there is nothing to be done */
···
 		}
 	}
 
-	ret = eemi_ops->set_requirement(pd->node_id, capabilities, 0,
+	ret = zynqmp_pm_set_requirement(pd->node_id, capabilities, 0,
 					ZYNQMP_PM_REQUEST_ACK_NO);
 	/**
 	 * If powering down of any node inside this domain fails,
···
 	struct generic_pm_domain **domains;
 	struct zynqmp_pm_domain *pd;
 	struct device *dev = &pdev->dev;
-
-	eemi_ops = zynqmp_pm_get_eemi_ops();
-	if (IS_ERR(eemi_ops))
-		return PTR_ERR(eemi_ops);
 
 	pd = devm_kcalloc(dev, ZYNQMP_NUM_DOMAINS, sizeof(*pd), GFP_KERNEL);
 	if (!pd)

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 (*set_requirement)(const u32 node,
-			       const u32 capabilities,
-			       const u32 qos,
-			       const enum zynqmp_pm_request_ack ack);
 	int (*aes)(const u64 address, u32 *out);
 };
 
···
 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);
+int zynqmp_pm_set_requirement(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_release_node(const u32 node)
+{
+	return -ENODEV;
+}
+static inline int zynqmp_pm_set_requirement(const u32 node,
+					const u32 capabilities,
+					const u32 qos,
+					const enum zynqmp_pm_request_ack ack)
 {
 	return -ENODEV;
 }