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firmware: xilinx: instantiate xilinx event manager driver 

Register simple platform device to instantiate Xilinx event
manager driver.

Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com>
Link: https://lore.kernel.org/r/20211129070216.30253-3-abhyuday.godhasara@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Abhyuday Godhasara 2021-11-28 23:02:15 -08:00 committed by Greg Kroah-Hartman
parent c7fdb2404f
commit a515814e74
1 changed files with 14 additions and 0 deletions
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14
drivers/firmware/xilinx/zynqmp.c
View File

@ -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;
}