linux-kernel - [PATCH v1 2/4] watchdog: npcm: add restart priority support

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Message-Id: <20200301094040.123189-3-tmaimon77@gmail.com>
Date:   Sun,  1 Mar 2020 11:40:38 +0200
From:   Tomer Maimon <tmaimon77@...il.com>
To:     wim@...ux-watchdog.org, linux@...ck-us.net, robh+dt@...nel.org,
        mark.rutland@....com, joel@....id.au, avifishman70@...il.com,
        tali.perry1@...il.com, yuenn@...gle.com, benjaminfair@...gle.com
Cc:     linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org,
        Tomer Maimon <tmaimon77@...il.com>
Subject: [PATCH v1 2/4] watchdog: npcm: add restart priority support

Add NPCM watchdog restart priority support.
The default restart priority is 128.

Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
---
 drivers/watchdog/npcm_wdt.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/watchdog/npcm_wdt.c b/drivers/watchdog/npcm_wdt.c
index 9c773c3d6d5d..8609c7acf17d 100644
--- a/drivers/watchdog/npcm_wdt.c
+++ b/drivers/watchdog/npcm_wdt.c
@@ -181,6 +181,7 @@ static int npcm_wdt_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct npcm_wdt *wdt;
+	u32 priority;
 	int irq;
 	int ret;
 
@@ -196,6 +197,11 @@ static int npcm_wdt_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return irq;
 
+	if (of_property_read_u32(pdev->dev.of_node, "nuvoton,restart-priority", &priority))
+		watchdog_set_restart_priority(&wdt->wdd, 128);
+	else
+		watchdog_set_restart_priority(&wdt->wdd, priority);
+
 	wdt->wdd.info = &npcm_wdt_info;
 	wdt->wdd.ops = &npcm_wdt_ops;
 	wdt->wdd.min_timeout = 1;
-- 
2.22.0