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SubjectRe: [PATCH 5/6] firmware: xilinx: instantiate xilinx event manager driver
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On 5/28/21 5:59 PM, Abhyuday Godhasara wrote:
> 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>
> ---
> 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 ce16a72..31f7857 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
> @@ -1412,6 +1415,15 @@ 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(pdev), "EM register fail with error\n");
> + }
> + of_node_put(np);
> +
> return of_platform_populate(dev->of_node, NULL, NULL, dev);
> }
>
> @@ -1429,6 +1441,8 @@ static int zynqmp_firmware_remove(struct platform_device *pdev)
> kfree(feature_data);
> }
>
> + platform_device_unregister(em_dev);
> +
> return 0;
> }
>
>

Acked-by: Michal Simek <michal.simek@xilinx.com>

Thanks,
Michal

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