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Date: Wed, 8 Aug 2018 18:20:42 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Jonathan Corbet <corbet@....net>, Sekhar Nori <nsekhar@...com>,
Kevin Hilman <khilman@...nel.org>,
Russell King <linux@...linux.org.uk>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
David Woodhouse <dwmw2@...radead.org>,
Brian Norris <computersforpeace@...il.com>,
Boris Brezillon <boris.brezillon@...tlin.com>,
Marek Vasut <marek.vasut@...il.com>,
Richard Weinberger <richard@....at>,
Grygorii Strashko <grygorii.strashko@...com>,
"David S . Miller" <davem@...emloft.net>,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
Naren <naren.kernel@...il.com>,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Lukas Wunner <lukas@...ner.de>,
Dan Carpenter <dan.carpenter@...cle.com>,
Florian Fainelli <f.fainelli@...il.com>,
Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>,
Sven Van Asbroeck <svendev@...x.com>,
Paolo Abeni <pabeni@...hat.com>, Alban Bedel <albeu@...e.fr>,
Rob Herring <robh@...nel.org>,
David Lechner <david@...hnology.com>,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
linux-mtd@...ts.infradead.org, linux-omap@...r.kernel.org,
netdev@...r.kernel.org,
Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 06/28] mtd: Add support for reading MTD devices via the
nvmem API
On Wed, Aug 08, 2018 at 05:31:28PM +0200, Bartosz Golaszewski wrote:
> From: Alban Bedel <albeu@...e.fr>
>
> Allow drivers that use the nvmem API to read data stored on MTD devices.
> For this the mtd devices are registered as read-only NVMEM providers.
> On OF systems only devices that have the 'nvmem-provider' property
> are registered, on non-OF system all MTD devices are registered.
> @@ -570,6 +613,11 @@ int add_mtd_device(struct mtd_info *mtd)
> if (error)
> goto fail_added;
>
> + /* Add the nvmem provider */
> + error = mtd_nvmem_add(mtd);
> + if (error)
> + goto fail_nvmem_add;
> +
Hi Bartosz
Maybe it is hiding somewhere, but i don't see any code looking into
device tree looking for the 'nvmem-provider' property.
Andrew
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