linux-kernel - [PATCH v1 2/4] watchdog: populate reboot mode node in toprgu node of MTK RGU (Reset Generation Unit)

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Date:   Tue, 26 Nov 2019 13:34:48 +0800
From:   <freddy.hsin@...iatek.com>
To:     <sre@...nel.org>, <linux-pm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <wim@...ux-watchdog.org>,
        <linux@...ck-us.net>, <matthias.bgg@...il.com>,
        <linux-watchdog@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <devicetree@...r.kernel.org>
CC:     <Chang-An.Chen@...iatek.com>, <wsd_upstream@...iatek.com>,
        Freddy Hsin <freddy.hsin@...iatek.com>
Subject: [PATCH v1 2/4] watchdog: populate reboot mode node in toprgu node of MTK RGU (Reset Generation Unit)

From: Freddy Hsin <freddy.hsin@...iatek.com>

of_platform_population should be added in the probe function of
toprgu driver, or the reboot mode driver will not be probed

Signed-off-by: Freddy Hsin <freddy.hsin@...iatek.com>
---
 drivers/watchdog/mtk_wdt.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index 9c3d003..2fb2614 100644
--- a/drivers/watchdog/mtk_wdt.c
+++ b/drivers/watchdog/mtk_wdt.c
@@ -20,6 +20,7 @@
 #include <linux/types.h>
 #include <linux/watchdog.h>
 #include <linux/delay.h>
+#include <linux/of_platform.h>
 
 #define WDT_MAX_TIMEOUT		31
 #define WDT_MIN_TIMEOUT		1
@@ -167,6 +168,8 @@ static int mtk_wdt_probe(struct platform_device *pdev)
 	if (IS_ERR(mtk_wdt->wdt_base))
 		return PTR_ERR(mtk_wdt->wdt_base);
 
+	of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
+
 	mtk_wdt->wdt_dev.info = &mtk_wdt_info;
 	mtk_wdt->wdt_dev.ops = &mtk_wdt_ops;
 	mtk_wdt->wdt_dev.timeout = WDT_MAX_TIMEOUT;
-- 
1.7.9.5