Marc Gonzalez <marc_gonzalez@xxxxxxxxxxxxxxxx> writes:
> [ Adding Mans ]
>
> Guenter, patch c7ef68c32265 states "Fixes: a3e376d26ace".
> Is that true? I mean, they seem quite orthogonal; then again I know
> nothing of this framework.
I don't see the relation of either of those to this patch.
> On 04/01/2017 22:28, Guenter Roeck wrote:
>> Use the infrastructure provided by the watchdog core to install
>> the restart handler.
>>
>> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
>> ---
>> drivers/watchdog/tangox_wdt.c | 32 +++++++++++---------------------
>> 1 file changed, 11 insertions(+), 21 deletions(-)
>>
>> diff --git a/drivers/watchdog/tangox_wdt.c b/drivers/watchdog/tangox_wdt.c
>> index 202c4b9cc921..49e6e805db7c 100644
>> --- a/drivers/watchdog/tangox_wdt.c
>> +++ b/drivers/watchdog/tangox_wdt.c
>> @@ -15,9 +15,7 @@
>> #include <linux/kernel.h>
>> #include <linux/module.h>
>> #include <linux/moduleparam.h>
>> -#include <linux/notifier.h>
>> #include <linux/platform_device.h>
>> -#include <linux/reboot.h>
>> #include <linux/watchdog.h>
>>
>> #define DEFAULT_TIMEOUT 30
>> @@ -47,7 +45,6 @@ struct tangox_wdt_device {
>> void __iomem *base;
>> unsigned long clk_rate;
>> struct clk *clk;
>> - struct notifier_block restart;
>> };
>>
>> static int tangox_wdt_set_timeout(struct watchdog_device *wdt,
>> @@ -96,24 +93,24 @@ static const struct watchdog_info tangox_wdt_info = {
>> .identity = "tangox watchdog",
>> };
>>
>> +static int tangox_wdt_restart(struct watchdog_device *wdt,
>> + unsigned long action, void *data)
>> +{
>> + struct tangox_wdt_device *dev = watchdog_get_drvdata(wdt);
>> +
>> + writel(1, dev->base + WD_COUNTER);
>> +
>> + return 0;
>> +}
>> +
>> static const struct watchdog_ops tangox_wdt_ops = {
>> .start = tangox_wdt_start,
>> .stop = tangox_wdt_stop,
>> .set_timeout = tangox_wdt_set_timeout,
>> .get_timeleft = tangox_wdt_get_timeleft,
>> + .restart = tangox_wdt_restart,
>> };
>>
>> -static int tangox_wdt_restart(struct notifier_block *nb, unsigned long action,
>> - void *data)
>> -{
>> - struct tangox_wdt_device *dev =
>> - container_of(nb, struct tangox_wdt_device, restart);
>> -
>> - writel(1, dev->base + WD_COUNTER);
>> -
>> - return NOTIFY_DONE;
>> -}
>> -
>> static int tangox_wdt_probe(struct platform_device *pdev)
>> {
>> struct tangox_wdt_device *dev;
>> @@ -180,12 +177,6 @@ static int tangox_wdt_probe(struct platform_device *pdev)
>>
>> platform_set_drvdata(pdev, dev);
>>
>> - dev->restart.notifier_call = tangox_wdt_restart;
>> - dev->restart.priority = 128;
>> - err = register_restart_handler(&dev->restart);
>> - if (err)
>> - dev_warn(&pdev->dev, "failed to register restart handler\n");
>> -
>> dev_info(&pdev->dev, "SMP86xx/SMP87xx watchdog registered\n");
>>
>> return 0;
>> @@ -202,7 +193,6 @@ static int tangox_wdt_remove(struct platform_device *pdev)
>> tangox_wdt_stop(&dev->wdt);
>> clk_disable_unprepare(dev->clk);
>>
>> - unregister_restart_handler(&dev->restart);
>> watchdog_unregister_device(&dev->wdt);
>>
>> return 0;
>>
--
Måns Rullgård
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