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From: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com>
To: <gregkh@linuxfoundation.org>
Cc: <michal.simek@xilinx.com>, <abhyuday.godhasara@xilinx.com>,
	<rajan.vaja@xilinx.com>, <manish.narani@xilinx.com>,
	<zou_wei@huawei.com>, <lakshmi.sai.krishna.potthuri@xilinx.com>,
	<jliang@xilinx.com>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>
Subject: [PATCH v8 2/3] firmware: xilinx: instantiate xilinx event manager driver
Date: Sun, 28 Nov 2021 23:02:15 -0800	[thread overview]
Message-ID: <20211129070216.30253-3-abhyuday.godhasara@xilinx.com> (raw)
In-Reply-To: <YZUcAch7lVZ32/+t@kroah.com>

Register simple platform device to instantiate Xilinx event
manager driver.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
---
Changes in v8:
- None

Changes in v7:
- None

Changes in v6:
- None

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 c2828ee6d4cf..bfa5ec7a808c 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) */
@@ -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;
 }
 
-- 
2.32.0.93.g670b81a


  parent reply	other threads:[~2021-11-29  7:04 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210702105144.28457-1-abhyuday.godhasara@xilinx.com>
2021-08-25  7:23 ` [PATCH v3 0/6] Add Xilinx Event Management Driver Michal Simek
     [not found]   ` <20210915131615.16506-1-abhyuday.godhasara@xilinx.com>
2021-10-13 12:27     ` [PATCH v4 " Abhyuday Godhasara
2021-10-13 12:59       ` gregkh
2021-10-13 13:05         ` gregkh
2021-10-13 13:57           ` Abhyuday Godhasara
2021-10-13 14:10             ` gregkh
2021-10-13 14:21               ` Abhyuday Godhasara
2021-10-13 14:26                 ` Abhyuday Godhasara
2021-10-13 14:29                 ` gregkh
2021-10-13 15:30                   ` Michal Simek
2021-10-21 13:55                     ` Abhyuday Godhasara
2021-10-21 14:12                       ` gregkh
2021-10-21 14:18                         ` Abhyuday Godhasara
2021-10-21 14:26                           ` gregkh
2021-10-21 13:46     ` [PATCH v5 " Abhyuday Godhasara
2021-10-21 13:59       ` Greg KH
2021-10-25  8:23       ` [PATCH v6 " Abhyuday Godhasara
2021-10-26  4:25         ` [PATCH v7 " Abhyuday Godhasara
2021-11-16  4:43           ` Abhyuday Godhasara
2021-11-17 15:13             ` gregkh
2021-11-29  7:02               ` [PATCH v8 0/3] " Abhyuday Godhasara
2021-11-29  7:02               ` [PATCH v8 1/3] drivers: soc: xilinx: add xilinx event management driver Abhyuday Godhasara
2021-11-29  7:02               ` Abhyuday Godhasara [this message]
2021-11-29  7:02               ` [PATCH v8 3/3] driver: soc: xilinx: register for power events in zynqmp power driver Abhyuday Godhasara
2021-11-30  9:50               ` [PATCH v7 0/6] Add Xilinx Event Management Driver Abhyuday Godhasara
2021-10-26  4:25         ` [PATCH v7 1/6] firmware: xilinx: add register notifier in zynqmp firmware Abhyuday Godhasara
2021-10-26  4:25         ` [PATCH v7 2/6] firmware: xilinx: add macros of node ids for error event Abhyuday Godhasara
2021-10-26  4:25         ` [PATCH v7 3/6] firmware: xilinx: export the feature check of zynqmp firmware Abhyuday Godhasara
2021-10-26  4:25         ` [PATCH v7 4/6] drivers: soc: xilinx: add xilinx event management driver Abhyuday Godhasara
2021-10-26  4:25         ` [PATCH v7 5/6] firmware: xilinx: instantiate xilinx event manager driver Abhyuday Godhasara
2021-10-26  4:25         ` [PATCH v7 6/6] driver: soc: xilinx: register for power events in zynqmp power driver Abhyuday Godhasara
2021-10-25  8:23       ` [PATCH v6 1/6] firmware: xilinx: add register notifier in zynqmp firmware Abhyuday Godhasara
2021-10-25  8:34         ` Greg KH
2021-10-25 11:53           ` Abhyuday Godhasara
2021-10-25 12:03             ` Greg KH
2021-10-25 12:11               ` Abhyuday Godhasara
2021-10-26  7:19                 ` Abhyuday Godhasara
2021-10-25  8:23       ` [PATCH v6 2/6] firmware: xilinx: add macros of node ids for error event Abhyuday Godhasara
2021-10-25  8:23       ` [PATCH v6 3/6] firmware: xilinx: export the feature check of zynqmp firmware Abhyuday Godhasara
2021-10-25  8:23       ` [PATCH v6 4/6] drivers: soc: xilinx: add xilinx event management driver Abhyuday Godhasara
2021-10-25  8:23       ` [PATCH v6 5/6] firmware: xilinx: instantiate xilinx event manager driver Abhyuday Godhasara
2021-10-25  8:23       ` [PATCH v6 6/6] driver: soc: xilinx: register for power events in zynqmp power driver Abhyuday Godhasara
2021-10-21 13:46     ` [PATCH v5 1/6] firmware: xilinx: add register notifier in zynqmp firmware Abhyuday Godhasara
2021-10-21 13:46     ` [PATCH v5 2/6] firmware: xilinx: add macros of node ids for error event Abhyuday Godhasara
2021-10-21 13:46     ` [PATCH v5 3/6] firmware: xilinx: export the feature check of zynqmp firmware Abhyuday Godhasara
2021-10-21 13:46     ` [PATCH v5 4/6] drivers: soc: xilinx: add xilinx event management driver Abhyuday Godhasara
2021-10-21 13:46     ` [PATCH v5 5/6] firmware: xilinx: instantiate xilinx event manager driver Abhyuday Godhasara
2021-10-21 13:46     ` [PATCH v5 6/6] driver: soc: xilinx: register for power events in zynqmp power driver Abhyuday Godhasara

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