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authorFabio Porcedda <fabio.porcedda@gmail.com>2013-02-14 09:14:25 +0100
committerWim Van Sebroeck <wim@iguana.be>2013-03-01 12:53:45 +0100
commitc1fd5f6402050b2463d0610b94f050fedf1b5019 (patch)
tree7ff33e78c2a4f40b3465d163c03382db0d4d500f /drivers/watchdog
parent490ac7af8b71069ba0c733052c5f448ac070c947 (diff)
downloadlinux-c1fd5f6402050b2463d0610b94f050fedf1b5019.tar.gz
watchdog: add timeout-sec property binding
this patchset add the timeout-sec property to the following drivers: orion_wdt, pnx4008_wdt, s3c2410_wdt and at91sam9_wdt. The at91sam9_wdt is tested on evk-pr3, the other drivers are compile tested only. Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Masanari Iida <standby24x7@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Andrew Victor <linux@maxim.org.za> Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/at91sam9_wdt.c7
-rw-r--r--drivers/watchdog/orion_wdt.c10
-rw-r--r--drivers/watchdog/pnx4008_wdt.c7
-rw-r--r--drivers/watchdog/s3c2410_wdt.c6
4 files changed, 15 insertions, 15 deletions
diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index 8038b20284c..be37dde4f86 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -56,7 +56,7 @@
/* User land timeout */
#define WDT_HEARTBEAT 15
-static int heartbeat = WDT_HEARTBEAT;
+static int heartbeat;
module_param(heartbeat, int, 0);
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. "
"(default = " __MODULE_STRING(WDT_HEARTBEAT) ")");
@@ -176,6 +176,7 @@ static const struct watchdog_ops at91_wdt_ops = {
static struct watchdog_device at91_wdt_dev = {
.info = &at91_wdt_info,
.ops = &at91_wdt_ops,
+ .timeout = WDT_HEARTBEAT,
.min_timeout = 1,
.max_timeout = 0xFFFF,
};
@@ -194,8 +195,8 @@ static int __init at91wdt_probe(struct platform_device *pdev)
return -ENOMEM;
}
- at91_wdt_dev.timeout = heartbeat;
at91_wdt_dev.parent = &pdev->dev;
+ watchdog_init_timeout(&at91_wdt_dev, heartbeat, &pdev->dev);
watchdog_set_nowayout(&at91_wdt_dev, nowayout);
/* Set watchdog */
@@ -212,7 +213,7 @@ static int __init at91wdt_probe(struct platform_device *pdev)
mod_timer(&at91wdt_private.timer, jiffies + WDT_TIMEOUT);
pr_info("enabled (heartbeat=%d sec, nowayout=%d)\n",
- heartbeat, nowayout);
+ at91_wdt_dev.timeout, nowayout);
return 0;
}
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c
index 87ed2b9886a..da577980d39 100644
--- a/drivers/watchdog/orion_wdt.c
+++ b/drivers/watchdog/orion_wdt.c
@@ -140,6 +140,7 @@ static const struct watchdog_ops orion_wdt_ops = {
static struct watchdog_device orion_wdt = {
.info = &orion_wdt_info,
.ops = &orion_wdt_ops,
+ .min_timeout = 1,
};
static int orion_wdt_probe(struct platform_device *pdev)
@@ -164,12 +165,9 @@ static int orion_wdt_probe(struct platform_device *pdev)
wdt_max_duration = WDT_MAX_CYCLE_COUNT / wdt_tclk;
- if ((heartbeat < 1) || (heartbeat > wdt_max_duration))
- heartbeat = wdt_max_duration;
-
- orion_wdt.timeout = heartbeat;
- orion_wdt.min_timeout = 1;
+ orion_wdt.timeout = wdt_max_duration;
orion_wdt.max_timeout = wdt_max_duration;
+ watchdog_init_timeout(&orion_wdt, heartbeat, &pdev->dev);
watchdog_set_nowayout(&orion_wdt, nowayout);
ret = watchdog_register_device(&orion_wdt);
@@ -179,7 +177,7 @@ static int orion_wdt_probe(struct platform_device *pdev)
}
pr_info("Initial timeout %d sec%s\n",
- heartbeat, nowayout ? ", nowayout" : "");
+ orion_wdt.timeout, nowayout ? ", nowayout" : "");
return 0;
}
diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c
index de1f3fa1d78..a3684a30eb6 100644
--- a/drivers/watchdog/pnx4008_wdt.c
+++ b/drivers/watchdog/pnx4008_wdt.c
@@ -142,6 +142,7 @@ static const struct watchdog_ops pnx4008_wdt_ops = {
static struct watchdog_device pnx4008_wdd = {
.info = &pnx4008_wdt_ident,
.ops = &pnx4008_wdt_ops,
+ .timeout = DEFAULT_HEARTBEAT,
.min_timeout = 1,
.max_timeout = MAX_HEARTBEAT,
};
@@ -151,8 +152,7 @@ static int pnx4008_wdt_probe(struct platform_device *pdev)
struct resource *r;
int ret = 0;
- if (heartbeat < 1 || heartbeat > MAX_HEARTBEAT)
- heartbeat = DEFAULT_HEARTBEAT;
+ watchdog_init_timeout(&pnx4008_wdd, heartbeat, &pdev->dev);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
wdt_base = devm_ioremap_resource(&pdev->dev, r);
@@ -167,7 +167,6 @@ static int pnx4008_wdt_probe(struct platform_device *pdev)
if (ret)
goto out;
- pnx4008_wdd.timeout = heartbeat;
pnx4008_wdd.bootstatus = (readl(WDTIM_RES(wdt_base)) & WDOG_RESET) ?
WDIOF_CARDRESET : 0;
watchdog_set_nowayout(&pnx4008_wdd, nowayout);
@@ -181,7 +180,7 @@ static int pnx4008_wdt_probe(struct platform_device *pdev)
}
dev_info(&pdev->dev, "PNX4008 Watchdog Timer: heartbeat %d sec\n",
- heartbeat);
+ pnx4008_wdd.timeout);
return 0;
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 6419c61594f..c1a221cbeae 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -53,7 +53,7 @@
#define CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME (15)
static bool nowayout = WATCHDOG_NOWAYOUT;
-static int tmr_margin = CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME;
+static int tmr_margin;
static int tmr_atboot = CONFIG_S3C2410_WATCHDOG_ATBOOT;
static int soft_noboot;
static int debug;
@@ -226,6 +226,7 @@ static struct watchdog_ops s3c2410wdt_ops = {
static struct watchdog_device s3c2410_wdd = {
.info = &s3c2410_wdt_ident,
.ops = &s3c2410wdt_ops,
+ .timeout = CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME,
};
/* interrupt handler code */
@@ -356,7 +357,8 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
/* see if we can actually set the requested timer margin, and if
* not, try the default value */
- if (s3c2410wdt_set_heartbeat(&s3c2410_wdd, tmr_margin)) {
+ watchdog_init_timeout(&s3c2410_wdd, tmr_margin, &pdev->dev);
+ if (s3c2410wdt_set_heartbeat(&s3c2410_wdd, s3c2410_wdd.timeout)) {
started = s3c2410wdt_set_heartbeat(&s3c2410_wdd,
CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME);