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>,
<wendy.liang@xilinx.com>, <jliang@xilinx.com>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
Tejas Patel <tejas.patel@xilinx.com>
Subject: [PATCH v6 1/6] firmware: xilinx: add register notifier in zynqmp firmware
Date: Mon, 25 Oct 2021 01:23:45 -0700 [thread overview]
Message-ID: <20211025082350.10881-2-abhyuday.godhasara@xilinx.com> (raw)
In-Reply-To: <20211021134644.14407-1-abhyuday.godhasara@xilinx.com>
In zynqmp-firmware, register notifier is not supported, add support of
register notifier in zynqmp-firmware.
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
---
Changes in v6:
- Minor fix
Changes in v5:
- None
Changes in v4:
- Rebase on latest tree
Changes in v3:
- None
Changes in v2:
- Removed updated copyright year from unchanged files.
---
drivers/firmware/xilinx/zynqmp.c | 23 +++++++++++++++++++++++
include/linux/firmware/xlnx-zynqmp.h | 11 ++++++++++-
2 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index a3cadbaf3cba..6e653e9cea2d 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -1053,6 +1053,29 @@ int zynqmp_pm_aes_engine(const u64 address, u32 *out)
}
EXPORT_SYMBOL_GPL(zynqmp_pm_aes_engine);
+/**
+ * zynqmp_pm_register_notifier() - PM API for register a subsystem
+ * to be notified about specific
+ * event/error.
+ * @node: Node ID to which the event is related.
+ * @event: Event Mask of Error events for which wants to get notified.
+ * @wake: Wake subsystem upon capturing the event if value 1
+ * @enable: Enable the registration for value 1, disable for value 0
+ *
+ * This function is used to register/un-register for particular node-event
+ * combination in firmware.
+ *
+ * Return: Returns status, either success or error+reason
+ */
+
+int zynqmp_pm_register_notifier(const u32 node, const u32 event,
+ const u32 wake, const u32 enable)
+{
+ return zynqmp_pm_invoke_fn(PM_REGISTER_NOTIFIER, node, event,
+ wake, enable, NULL);
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_register_notifier);
+
/**
* zynqmp_pm_system_shutdown - PM call to request a system shutdown or restart
* @type: Shutdown or restart? 0 for shutdown, 1 for restart
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index 56b426fe020c..96aaadc44c3f 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -2,7 +2,7 @@
/*
* Xilinx Zynq MPSoC Firmware layer
*
- * Copyright (C) 2014-2019 Xilinx
+ * Copyright (C) 2014-2021 Xilinx
*
* Michal Simek <michal.simek@xilinx.com>
* Davorin Mista <davorin.mista@aggios.com>
@@ -66,6 +66,7 @@
enum pm_api_id {
PM_GET_API_VERSION = 1,
+ PM_REGISTER_NOTIFIER = 5,
PM_SYSTEM_SHUTDOWN = 12,
PM_REQUEST_NODE = 13,
PM_RELEASE_NODE = 14,
@@ -416,6 +417,8 @@ int zynqmp_pm_pinctrl_get_config(const u32 pin, const u32 param,
int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param,
u32 value);
int zynqmp_pm_load_pdi(const u32 src, const u64 address);
+int zynqmp_pm_register_notifier(const u32 node, const u32 event,
+ const u32 wake, const u32 enable);
#else
static inline int zynqmp_pm_get_api_version(u32 *version)
{
@@ -632,6 +635,12 @@ static inline int zynqmp_pm_load_pdi(const u32 src, const u64 address)
{
return -ENODEV;
}
+
+static inline int zynqmp_pm_register_notifier(const u32 node, const u32 event,
+ const u32 wake, const u32 enable)
+{
+ return -ENODEV;
+}
#endif
#endif /* __FIRMWARE_ZYNQMP_H__ */
--
2.32.0.93.g670b81a
next prev parent reply other threads:[~2021-10-25 8:24 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 ` [PATCH v8 2/3] firmware: xilinx: instantiate xilinx event manager driver Abhyuday Godhasara
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 ` Abhyuday Godhasara [this message]
2021-10-25 8:34 ` [PATCH v6 1/6] firmware: xilinx: add register notifier in zynqmp firmware 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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