mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Tomaz Solc <tomaz.solc@tablix.org>
To: barebox@lists.infradead.org
Cc: Tomaz Solc <tomaz.solc@tablix.org>
Subject: [PATCH] watchdog: bcm2835: set timeout_max.
Date: Thu, 14 Feb 2019 14:36:34 +0100	[thread overview]
Message-ID: <20190214133634.7669-1-tomaz.solc@tablix.org> (raw)

BCM2835 watchdog timeout can be set to maximum 15 seconds (0xffffff >> 16).
---
 drivers/watchdog/bcm2835_wdt.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/watchdog/bcm2835_wdt.c b/drivers/watchdog/bcm2835_wdt.c
index d0c51ed9e..781626fa0 100644
--- a/drivers/watchdog/bcm2835_wdt.c
+++ b/drivers/watchdog/bcm2835_wdt.c
@@ -45,6 +45,10 @@
 
 #define SECS_TO_WDOG_TICKS(x) ((x) << 16)
 
+/* Largest value where SECS_TO_WDOG_TICKS doesn't overflow 20 bits
+ * (PM_WDOG_TIME_SET) */
+#define WDOG_SECS_MAX 15
+
 struct bcm2835_wd {
 	struct watchdog wd;
 	void __iomem *base;
@@ -101,6 +105,7 @@ static int bcm2835_wd_probe(struct device_d *dev)
 	}
 	priv->base = IOMEM(iores->start);
 	priv->wd.set_timeout = bcm2835_wd_set_timeout;
+	priv->wd.timeout_max = WDOG_SECS_MAX;
 	priv->wd.hwdev = dev;
 	priv->dev = dev;
 
-- 
2.11.0


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

             reply	other threads:[~2019-02-14 13:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-14 13:36 Tomaz Solc [this message]
2019-02-18  8:48 ` Sascha Hauer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190214133634.7669-1-tomaz.solc@tablix.org \
    --to=tomaz.solc@tablix.org \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox