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    SubjectRe: [PATCH 01/11] watchdog: WatchDog Timer Driver Core - Add basic framework
    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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