Re: [PATCH 01/11] watchdog: WatchDog Timer Driver Core - Add basicframework

From: Lars-Peter Clausen
Date: Mon Jul 11 2011 - 19:03:48 EST


On 07/11/2011 11:32 PM, Wolfram Sang wrote:

>> +int watchdog_register_device(struct watchdog_device *wdd)
>> +{
>> + int ret;
>> +
>> + /* Make sure we have a valid watchdog_device structure */
>> + if (wdd == NULL || wdd->info == NULL || wdd->ops == NULL)
>> + return -EINVAL;
>> +
>> + /* Make sure that the mandatory operations are supported */
>> + if (wdd->ops->start == NULL || wdd->ops->stop == NULL)
>> + return -EINVAL;
>
> Check also for wdd->ops->owner? Should we mark it as mandatory?
>

If the driver is built-in owner will be NULL.

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