Messages in this thread Patch in this message | | | From | Abhyuday Godhasara <> | Subject | [PATCH v8 2/3] firmware: xilinx: instantiate xilinx event manager driver | Date | Sun, 28 Nov 2021 23:02:15 -0800 |
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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
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