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-rw-r--r--drivers/firmware/xilinx/zynqmp.c16
-rw-r--r--drivers/soc/xilinx/xlnx_event_manager.c5
2 files changed, 17 insertions, 4 deletions
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 7977a494a651..d1f652802181 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -2,7 +2,7 @@
/*
* Xilinx Zynq MPSoC Firmware layer
*
- * Copyright (C) 2014-2021 Xilinx, Inc.
+ * Copyright (C) 2014-2022 Xilinx, Inc.
*
* Michal Simek <michal.simek@xilinx.com>
* Davorin Mista <davorin.mista@aggios.com>
@@ -340,6 +340,20 @@ int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1,
static u32 pm_api_version;
static u32 pm_tz_version;
+int zynqmp_pm_register_sgi(u32 sgi_num, u32 reset)
+{
+ int ret;
+
+ ret = zynqmp_pm_invoke_fn(TF_A_PM_REGISTER_SGI, sgi_num, reset, 0, 0,
+ NULL);
+ if (!ret)
+ return ret;
+
+ /* try old implementation as fallback strategy if above fails */
+ return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_REGISTER_SGI, sgi_num,
+ reset, NULL);
+}
+
/**
* zynqmp_pm_get_api_version() - Get version number of PMU PM firmware
* @version: Returned version value
diff --git a/drivers/soc/xilinx/xlnx_event_manager.c b/drivers/soc/xilinx/xlnx_event_manager.c
index 5dcb7665fe22..2de082765bef 100644
--- a/drivers/soc/xilinx/xlnx_event_manager.c
+++ b/drivers/soc/xilinx/xlnx_event_manager.c
@@ -647,8 +647,7 @@ static int xlnx_event_manager_probe(struct platform_device *pdev)
cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "soc/event:starting",
xlnx_event_cpuhp_start, xlnx_event_cpuhp_down);
- ret = zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_REGISTER_SGI, sgi_num,
- 0, NULL);
+ ret = zynqmp_pm_register_sgi(sgi_num, 0);
if (ret) {
dev_err(&pdev->dev, "SGI %d Registration over TF-A failed with %d\n", sgi_num, ret);
xlnx_event_cleanup_sgi(pdev);
@@ -681,7 +680,7 @@ static int xlnx_event_manager_remove(struct platform_device *pdev)
kfree(eve_data);
}
- ret = zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_REGISTER_SGI, 0, 1, NULL);
+ ret = zynqmp_pm_register_sgi(0, 1);
if (ret)
dev_err(&pdev->dev, "SGI unregistration over TF-A failed with %d\n", ret);