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-rw-r--r--drivers/watchdog/i6300esb.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/watchdog/i6300esb.c b/drivers/watchdog/i6300esb.c
index 147462f431de..4d92925cdc1e 100644
--- a/drivers/watchdog/i6300esb.c
+++ b/drivers/watchdog/i6300esb.c
@@ -81,12 +81,16 @@ static int cards_found;
/* module parameters */
/* 30 sec default heartbeat (1 < heartbeat < 2*1023) */
-#define WATCHDOG_HEARTBEAT 30
+#define ESB_HEARTBEAT_MIN 1
+#define ESB_HEARTBEAT_MAX 2046
+#define ESB_HEARTBEAT_DEFAULT 30
+#define ESB_HEARTBEAT_RANGE __MODULE_STRING(ESB_HEARTBEAT_MIN) \
+ "<heartbeat<" __MODULE_STRING(ESB_HEARTBEAT_MAX)
static int heartbeat; /* in seconds */
module_param(heartbeat, int, 0);
MODULE_PARM_DESC(heartbeat,
- "Watchdog heartbeat in seconds. (1<heartbeat<2046, default="
- __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
+ "Watchdog heartbeat in seconds. (" ESB_HEARTBEAT_RANGE
+ ", default=" __MODULE_STRING(ESB_HEARTBEAT_DEFAULT) ")");
static bool nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, bool, 0);
@@ -315,13 +319,13 @@ static int esb_probe(struct pci_dev *pdev,
/* Initialize the watchdog and make sure it does not run */
edev->wdd.info = &esb_info;
edev->wdd.ops = &esb_ops;
- edev->wdd.min_timeout = 1;
- edev->wdd.max_timeout = 2 * 0x03ff;
- edev->wdd.timeout = WATCHDOG_HEARTBEAT;
+ edev->wdd.min_timeout = ESB_HEARTBEAT_MIN;
+ edev->wdd.max_timeout = ESB_HEARTBEAT_MAX;
+ edev->wdd.timeout = ESB_HEARTBEAT_DEFAULT;
if (watchdog_init_timeout(&edev->wdd, heartbeat, NULL))
dev_info(&pdev->dev,
- "heartbeat value must be 1<heartbeat<2046, using %u\n",
- edev->wdd.timeout);
+ "heartbeat value must be " ESB_HEARTBEAT_RANGE
+ ", using %u\n", edev->wdd.timeout);
watchdog_set_nowayout(&edev->wdd, nowayout);
watchdog_stop_on_reboot(&edev->wdd);
watchdog_stop_on_unregister(&edev->wdd);

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