linux-kernel - [PATCH v6 2/5] firmware: meson_sm: populate platform device based on the child node

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Date:   Tue, 14 Jan 2020 11:45:24 +0800
From:   Xingyu Chen <xingyu.chen@...ogic.com>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>
CC:     Xingyu Chen <xingyu.chen@...ogic.com>,
        Rob Herring <robh+dt@...nel.org>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Qianggui Song <qianggui.song@...ogic.com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Jian Hu <jian.hu@...ogic.com>,
        <linux-watchdog@...r.kernel.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v6 2/5] firmware: meson_sm: populate platform device based on the child node

The child node of secure-monitor cann't be populated as platform device
automatically during the kernel initialization phase, so we invoke
of_platform_default_populate() to do it.

Signed-off-by: Xingyu Chen <xingyu.chen@...ogic.com>
---
 drivers/firmware/meson/meson_sm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
index 8cdd405..d2b1e76 100644
--- a/drivers/firmware/meson/meson_sm.c
+++ b/drivers/firmware/meson/meson_sm.c
@@ -310,6 +310,8 @@ static int __init meson_sm_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, fw);
 
+	of_platform_default_populate(dev->of_node, NULL, dev);
+
 	pr_info("secure-monitor enabled\n");
 
 	if (sysfs_create_group(&pdev->dev.kobj, &meson_sm_sysfs_attr_group))
-- 
2.7.4