Re: [PATCH v6 03/21] libnvdimm: control character device and nvdimm_bus sysfs attributes

From: Rafael J. Wysocki
Date: Wed Jun 17 2015 - 17:34:30 EST

On Thursday, June 11, 2015 04:10:24 PM Dan Williams wrote:
> The control device for a nvdimm_bus is registered as an "nd" class
> device. The expectation is that there will usually only be one "nd" bus
> registered under /sys/class/nd. However, we allow for the possibility
> of multiple buses and they will listed in discovery order as
> ndctl0...ndctlN. This character device hosts the ioctl for passing
> control messages. The initial command set has a 1:1 correlation with
> the commands listed in the by the "NFIT DSM Example" document [1], but
> this scheme is extensible to future command sets.
> Note, nd_ioctl() and the backing ->ndctl() implementation are defined in
> a subsequent patch. This is simply the initial registrations and sysfs
> attributes.
> [1]:
> Cc: Neil Brown <neilb@xxxxxxx>
> Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: <linux-acpi@xxxxxxxxxxxxxxx>
> Cc: Robert Moore <robert.moore@xxxxxxxxx>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>

For the ACPI part:

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

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