Commit a515814e authored by Abhyuday Godhasara's avatar Abhyuday Godhasara Committed by Greg Kroah-Hartman
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firmware: xilinx: instantiate xilinx event manager driver 



Register simple platform device to instantiate Xilinx event
manager driver.

Acked-by: default avatarMichal Simek <michal.simek@xilinx.com>
Signed-off-by: default avatarRajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: default avatarAbhyuday Godhasara <abhyuday.godhasara@xilinx.com>
Link: https://lore.kernel.org/r/20211129070216.30253-3-abhyuday.godhasara@xilinx.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c7fdb240

drivers/firmware/xilinx/zynqmp.c

+14 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include <linux/hashtable.h>



#include <linux/firmware/xlnx-zynqmp.h>

#include <linux/firmware/xlnx-event-manager.h>

#include "zynqmp-debug.h"



/* Max HashMap Order for PM API feature check (1<<7 = 128) */
@@ -38,6 +39,8 @@ 
static bool feature_check_enabled;

static DEFINE_HASHTABLE(pm_api_features_map, PM_API_FEATURE_CHECK_MAX_ORDER);



static struct platform_device *em_dev;



/**

 * struct pm_api_feature_data - PM API Feature data

 * @pm_api_id:		PM API Id, used as key to index into hashmap
@@ -1492,6 +1495,15 @@ static int zynqmp_firmware_probe(struct platform_device *pdev) 


	zynqmp_pm_api_debugfs_init();



	np = of_find_compatible_node(NULL, NULL, "xlnx,versal");

	if (np) {

		em_dev = platform_device_register_data(&pdev->dev, "xlnx_event_manager",

						       -1, NULL, 0);

		if (IS_ERR(em_dev))

			dev_err_probe(&pdev->dev, PTR_ERR(em_dev), "EM register fail with error\n");

	}

	of_node_put(np);



	return of_platform_populate(dev->of_node, NULL, NULL, dev);

}
@@ -1509,6 +1521,8 @@ static int zynqmp_firmware_remove(struct platform_device *pdev) 
		kfree(feature_data);

	}



	platform_device_unregister(em_dev);



	return 0;

}