linux-kernel - Re: [PATCH v6 02/21] libnvdimm, nfit: initial libnvdimm infrastructure and NFIT support

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Message-ID: <1863642.qegEO3HtMW@vostro.rjw.lan>
Date:	Wed, 17 Jun 2015 23:59:29 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	linux-nvdimm@...ts.01.org, mingo@...nel.org, sfr@...b.auug.org.au,
	rafael@...nel.org, neilb@...e.de, gregkh@...uxfoundation.org,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	linux-kernel@...r.kernel.org,
	Robert Moore <robert.moore@...el.com>,
	linux-acpi@...r.kernel.org, jmoyer@...hat.com,
	Lv Zheng <lv.zheng@...el.com>, linux-api@...r.kernel.org,
	akpm@...ux-foundation.org, axboe@...nel.dk, hch@....de
Subject: Re: [PATCH v6 02/21] libnvdimm, nfit: initial libnvdimm infrastructure and NFIT support

On Thursday, June 11, 2015 04:10:18 PM Dan Williams wrote:
> A struct nvdimm_bus is the anchor device for registering nvdimm
> resources and interfaces, for example, a character control device,
> nvdimm devices, and I/O region devices.  The ACPI NFIT (NVDIMM Firmware
> Interface Table) is one possible platform description for such
> non-volatile memory resources in a system.  The nfit.ko driver attaches
> to the "ACPI0012" device that indicates the presence of the NFIT and
> parses the table to register a struct nvdimm_bus instance.
> 
> Cc: <linux-acpi@...r.kernel.org>
> Cc: Lv Zheng <lv.zheng@...el.com>
> Cc: Robert Moore <robert.moore@...el.com>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> Acked-by: Jeff Moyer <jmoyer@...hat.com>
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>

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

[cut]

> +
> +static struct acpi_driver acpi_nfit_driver = {
> +	.name = KBUILD_MODNAME,
> +	.ids = acpi_nfit_ids,
> +	.flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,

But this flag is not needed for now IMO.

> +	.ops = {
> +		.add = acpi_nfit_add,
> +		.remove = acpi_nfit_remove,
> +	},
> +};
> +

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