Re: [PATCH v2] nvme: Add hardware monitoring support

[Guenter Roeck]

On Thu, Oct 31, 2019 at 02:45:49PM +0100, Christoph Hellwig wrote:
> On Wed, Oct 30, 2019 at 07:20:37PM -0700, Guenter Roeck wrote:
> >> The nvme_init_identify() can be called multiple time in nvme ctrl's
> >> lifetime (e.g 'nvme reset /dev/nvme*' or suspend/resume paths), so
> >> should we need to prevent nvme_hwmon_init() from registering hwmon
> >> device more than twice?
> >>
> >> In the nvme thermal zone patchset[1], thernal zone is registered in
> >> nvme_init_identify and unregistered in nvme_stop_ctrl().
> >>
> >
> > Doesn't that mean that the initialization should happen in nvme_start_ctrl()
> > and not here ?
> 
> I think calling it from nvme_init_identify is fine, it just needs to
> be in the "if (!ctrl->identified)" section of that function.

Excellent, I'll do that. Thanks a lot for the hint!

Guenter