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watchdog/hpwdt: Advertize max_hw_heartbeat_ms

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Set max_hw_heartbeat_ms instead of max_timeout so that user client can
set timeout range in excess of what the underlying hardware supports.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Jerry Hoemann 2019-05-17 14:59:39 -06:00 committed by Wim Van Sebroeck
parent 48b32199f9
commit c22d8e38e4
1 changed files with 5 additions and 5 deletions
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10
drivers/watchdog/hpwdt.c
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@ -58,9 +58,9 @@ static const struct pci_device_id hpwdt_blacklist[] = {
static int hpwdt_start(struct watchdog_device *wdd)
{
int control = 0x81 | (pretimeout ? 0x4 : 0);
int reload = SECS_TO_TICKS(wdd->timeout);
int reload = SECS_TO_TICKS(min(wdd->timeout, wdd->max_hw_heartbeat_ms/1000));
dev_dbg(wdd->parent, "start watchdog 0x%08x:0x%02x\n", reload, control);
dev_dbg(wdd->parent, "start watchdog 0x%08x:0x%08x:0x%02x\n", wdd->timeout, reload, control);
iowrite16(reload, hpwdt_timer_reg);
iowrite8(control, hpwdt_timer_con);
@ -87,9 +87,9 @@ static int hpwdt_stop_core(struct watchdog_device *wdd)
static int hpwdt_ping(struct watchdog_device *wdd)
{
int reload = SECS_TO_TICKS(wdd->timeout);
int reload = SECS_TO_TICKS(min(wdd->timeout, wdd->max_hw_heartbeat_ms/1000));
dev_dbg(wdd->parent, "ping watchdog 0x%08x\n", reload);
dev_dbg(wdd->parent, "ping watchdog 0x%08x:0x%08x\n", wdd->timeout, reload);
iowrite16(reload, hpwdt_timer_reg);
return 0;
@ -204,9 +204,9 @@ static struct watchdog_device hpwdt_dev = {
.info = &ident,
.ops = &hpwdt_ops,
.min_timeout = 1,
.max_timeout = HPWDT_MAX_TIMER,
.timeout = DEFAULT_MARGIN,
.pretimeout = PRETIMEOUT_SEC,
.max_hw_heartbeat_ms = HPWDT_MAX_TIMER * 1000,
};