Hi,
On 05/04/2012 02:34 PM, Wim Van Sebroeck wrote:
Hi Alan,
You do this even for watchdog0 / for the watchdog we've also registered as
misc_dev. I guess this is intentional and you want the watchdog to be
available as both misc,130 as well as as MAJOR(dog_devt),0 ?
Yes - so that it appears in the watchdog class in sysfs for example.
What happens if one program opens the miscdevice and another program opens the MAJOR(dog_devt),0 device?
I presume that the WDOG_DEV_OPEN status bit will prohibit the opening of the second device in that case...
Correct.
Regards,
Hans
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