diff options
Diffstat (limited to 'drivers/watchdog/orion_wdt.c')
| -rw-r--r-- | drivers/watchdog/orion_wdt.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index 4ddb4ea2e4a3..0e145f762f6f 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * drivers/watchdog/orion_wdt.c * @@ -5,9 +6,6 @@ * * Author: Sylver Bruneau <sylver.bruneau@googlemail.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -174,7 +172,7 @@ static int armadaxp_wdt_clock_init(struct platform_device *pdev, return ret; } - /* Fix the wdt and timer1 clock freqency to 25MHz */ + /* Fix the wdt and timer1 clock frequency to 25MHz */ val = WDT_AXP_FIXED_ENABLE_BIT | TIMER1_FIXED_ENABLE_BIT; atomic_io_modify(dev->reg + TIMER_CTRL, val, val); @@ -238,8 +236,10 @@ 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 +312,7 @@ 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 +320,10 @@ 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; } @@ -644,7 +647,7 @@ disable_clk: return ret; } -static int orion_wdt_remove(struct platform_device *pdev) +static void orion_wdt_remove(struct platform_device *pdev) { struct watchdog_device *wdt_dev = platform_get_drvdata(pdev); struct orion_watchdog *dev = watchdog_get_drvdata(wdt_dev); @@ -652,7 +655,6 @@ static int orion_wdt_remove(struct platform_device *pdev) watchdog_unregister_device(wdt_dev); clk_disable_unprepare(dev->clk); clk_put(dev->clk); - return 0; } static void orion_wdt_shutdown(struct platform_device *pdev) |