firmware: xilinx: Remove eemi ops for set_suspend_mode

Use direct function call instead of eemi ops for set_suspend_mode.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Link: https://lore.kernel.org/r/1587761887-4279-16-git-send-email-jolly.shah@xilinx.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/firmware/xilinx/zynqmp.c

@@ -724,10 +724,11 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_init_finalize);
  *
  * Return: Returns status, either success or error+reason
  */
-static int zynqmp_pm_set_suspend_mode(u32 mode)
+int zynqmp_pm_set_suspend_mode(u32 mode)
 {
 	return zynqmp_pm_invoke_fn(PM_SET_SUSPEND_MODE, mode, 0, 0, 0, NULL);
 }
+EXPORT_SYMBOL_GPL(zynqmp_pm_set_suspend_mode);
 
 /**
  * zynqmp_pm_request_node() - Request a node with specific capabilities
@@ -809,7 +810,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
 }
 
 static const struct zynqmp_eemi_ops eemi_ops = {
-	.set_suspend_mode = zynqmp_pm_set_suspend_mode,
 	.request_node = zynqmp_pm_request_node,
 	.release_node = zynqmp_pm_release_node,
 	.set_requirement = zynqmp_pm_set_requirement,

drivers/soc/xilinx/zynqmp_power.c

@@ -30,7 +30,6 @@ struct zynqmp_pm_work_struct {
 
 static struct zynqmp_pm_work_struct *zynqmp_pm_init_suspend_work;
 static struct mbox_chan *rx_chan;
-static const struct zynqmp_eemi_ops *eemi_ops;
 
 enum pm_suspend_mode {
 	PM_SUSPEND_MODE_FIRST = 0,
@@ -155,9 +154,6 @@ static ssize_t suspend_mode_store(struct device *dev,
 {
 	int md, ret = -EINVAL;
 
-	if (!eemi_ops->set_suspend_mode)
-		return ret;
-
 	for (md = PM_SUSPEND_MODE_FIRST; md < ARRAY_SIZE(suspend_modes); md++)
 		if (suspend_modes[md] &&
 		    sysfs_streq(suspend_modes[md], buf)) {
@@ -166,7 +162,7 @@ static ssize_t suspend_mode_store(struct device *dev,
 		}
 
 	if (!ret && md != suspend_mode) {
-		ret = eemi_ops->set_suspend_mode(md);
+		ret = zynqmp_pm_set_suspend_mode(md);
 		if (likely(!ret))
 			suspend_mode = md;
 	}

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 (*set_suspend_mode)(u32 mode);
 	int (*request_node)(const u32 node,
 			    const u32 capabilities,
 			    const u32 qos,
@@ -336,6 +335,7 @@ int zynqmp_pm_reset_assert(const enum zynqmp_pm_reset reset,
 			   const enum zynqmp_pm_reset_action assert_flag);
 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);
 #else
 static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
 {
@@ -428,6 +428,10 @@ static inline int zynqmp_pm_init_finalize(void)
 {
 	return -ENODEV;
 }
+static inline int zynqmp_pm_set_suspend_mode(u32 mode)
+{
+	return -ENODEV;
+}
 #endif
 
 #endif /* __FIRMWARE_ZYNQMP_H__ */