Register simple platform device to instantiate Xilinx event
manager driver.
Signed-off-by: Rajan Vaja <[email protected]>
Signed-off-by: Abhyuday Godhasara <[email protected]>
Acked-by: Michal Simek <[email protected]>
---
Changes in v5:
- None
Changes in v4:
- None
Changes in v3:
- None
Changes in v2:
- Use em_dev instead of pdev in PTR_ERR.
---
drivers/firmware/xilinx/zynqmp.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index e2c55f48b93d..f3cf4535463b 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -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) */
@@ -31,6 +32,8 @@
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
@@ -1429,6 +1432,15 @@ 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);
}
@@ -1446,6 +1458,8 @@ static int zynqmp_firmware_remove(struct platform_device *pdev)
kfree(feature_data);
}
+ platform_device_unregister(em_dev);
+
return 0;
}
--
2.32.0.93.g670b81a