linux-kernel - [PATCH v8 4/5] mailbox: imx: populate sub-nodes

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Message-Id: <20240219-imx-mailbox-v8-4-75535a87794e@nxp.com>
Date: Mon, 19 Feb 2024 13:22:39 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: Jassi Brar <jassisinghbrar@...il.com>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Dong Aisheng <aisheng.dong@....com>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, Peng Fan <peng.fan@....com>
Subject: [PATCH v8 4/5] mailbox: imx: populate sub-nodes

From: Peng Fan <peng.fan@....com>

Some MUs such as i.MX95 MU, have internal SRAM which could be used
for SCMI shared memory, so populate the sub-nodes to use the SRAM.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/mailbox/imx-mailbox.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
index 306af1880415..b36267591db2 100644
--- a/drivers/mailbox/imx-mailbox.c
+++ b/drivers/mailbox/imx-mailbox.c
@@ -16,6 +16,7 @@
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/suspend.h>
@@ -920,6 +921,8 @@ static int imx_mu_probe(struct platform_device *pdev)
 	if (ret)
 		goto disable_clk;
 
+	of_platform_populate(dev->of_node, NULL, NULL, dev);
+
 	pm_runtime_enable(dev);
 
 	ret = pm_runtime_resume_and_get(dev);

-- 
2.37.1