diff options
| author | Chris Packham <chris.packham@alliedtelesis.co.nz> | 2022-02-11 13:32:57 +1300 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2022-03-27 17:04:28 +0200 |
| commit | 7a6b3d8a432d18f48f3390de48f4361bc677712e (patch) | |
| tree | 2f54116723a0f5b9c3c418007f5b084d57833efe /drivers/watchdog | |
| parent | cd91fb2776967b2b2dea27307a3f23ba3d9bbb32 (diff) | |
| download | linux-7a6b3d8a432d18f48f3390de48f4361bc677712e.tar.bz2 | |
watchdog: orion_wdt: support pretimeout on Armada-XP
Commit e07a4c79ca75 ("watchdog: orion_wdt: use timer1 as a pretimeout")
added support for a pretimeout on Armada-38x variants. Because the
Armada-XP variants use armada370_start/armada370_stop (due to missing an
explicit RSTOUT mask bit for the watchdog). Add the required pretimeout
support to armada370_start/armada370_stop for Armada-XP.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220211003257.2037332-3-chris.packham@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/orion_wdt.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index 127eefc9161d..e25e6bf4647f 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -238,8 +238,10 @@ static int armada370_start(struct watchdog_device *wdt_dev) atomic_io_modify(dev->reg + TIMER_A370_STATUS, WDT_A370_EXPIRED, 0); /* Enable watchdog timer */ - atomic_io_modify(dev->reg + TIMER_CTRL, dev->data->wdt_enable_bit, - dev->data->wdt_enable_bit); + reg = dev->data->wdt_enable_bit; + if (dev->wdt.info->options & WDIOF_PRETIMEOUT) + reg |= TIMER1_ENABLE_BIT; + atomic_io_modify(dev->reg + TIMER_CTRL, reg, reg); /* Enable reset on watchdog */ reg = readl(dev->rstout); @@ -312,7 +314,7 @@ static int armada375_stop(struct watchdog_device *wdt_dev) static int armada370_stop(struct watchdog_device *wdt_dev) { struct orion_watchdog *dev = watchdog_get_drvdata(wdt_dev); - u32 reg; + u32 reg, mask; /* Disable reset on watchdog */ reg = readl(dev->rstout); @@ -320,7 +322,10 @@ static int armada370_stop(struct watchdog_device *wdt_dev) writel(reg, dev->rstout); /* Disable watchdog timer */ - atomic_io_modify(dev->reg + TIMER_CTRL, dev->data->wdt_enable_bit, 0); + mask = dev->data->wdt_enable_bit; + if (wdt_dev->info->options & WDIOF_PRETIMEOUT) + mask |= TIMER1_ENABLE_BIT; + atomic_io_modify(dev->reg + TIMER_CTRL, mask, 0); return 0; } |