linux-kernel - Re: [PATCH 00/14] ARM: davinci: step towards removing at24_platform

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Message-ID: <20180625180237.GC17417@lunn.ch>
Date:   Mon, 25 Jun 2018 20:02:37 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Sekhar Nori <nsekhar@...com>, Kevin Hilman <khilman@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Grygorii Strashko <grygorii.strashko@...com>,
        "David S . Miller" <davem@...emloft.net>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Lukas Wunner <lukas@...ner.de>, Rob Herring <robh@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>,
        David Lechner <david@...hnology.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-omap@...r.kernel.org, netdev@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 00/14] ARM: davinci: step towards removing
 at24_platform_data

> With my patch 1/14 you'll get -EPROBE_DEFER from nvmem_cell_get() if
> the nvmem provider is not yet registered. Will that help in your case?

I don't think so. My driver instantiates the AT24 device. So if i get
-EPROBE_DEFER, i need to cleanup the probe, and return -EPROBDE_DEFER
to the code. Which means i need to remove the AT24 device...

       Andrew