From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: punnaiah choudary kalluri <punnaia@xilinx.com>,
Punnaiah Choudary Kalluri <punnaiah.choudary.kalluri@xilinx.com>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
"michals@xilinx.com" <michals@xilinx.com>,
wangzhou1@hisilicon.com, Florian Fainelli <f.fainelli@gmail.com>,
Gerhard Sittig <gsi@denx.de>,
haokexin@gmail.com, Roger Quadros <rogerq@ti.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
Punnaiah Choudary <kpc528@gmail.com>
Subject: Re: [PATCH v4 2/3] mtd: nand: Add support for Arasan Nand Flash Controller
Date: Thu, 12 Nov 2015 11:38:10 +0100 [thread overview]
Message-ID: <CAMuHMdXDizMgNvgZdNCzDuTXSTBwswBN6QvxEmgqqD=VxUgkQw@mail.gmail.com> (raw)
In-Reply-To: <1447324339.31665.120.camel@linux.intel.com>
On Thu, Nov 12, 2015 at 11:32 AM, Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
> On Thu, 2015-11-12 at 10:18 +0530, punnaiah choudary kalluri wrote:
>> On Mon, Nov 9, 2015 at 7:20 PM, Andy Shevchenko
>> <andriy.shevchenko@linux.intel.com> wrote:
>> > On Thu, 2015-11-05 at 08:19 +0530, Punnaiah Choudary Kalluri wrote:
>> > > Added the basic driver for Arasan Nand Flash Controller used in
>> > > Zynq UltraScale+ MPSoC. It supports only Hw Ecc and upto 24bit
>> > > correction.
>> > >
>> >
>> > > +config MTD_NAND_ARASAN
>> > > + tristate "Support for Arasan Nand Flash controller"
>> > > + depends on MTD_NAND
>> >
>> > This looks useless since you can't see the item without MTD_NAND is
>> > chosen.
>> >
>> > > + help
>> > > + Enables the driver for the Arasan Nand Flash controller
>> > > on
>> > > + Zynq UltraScale+ MPSoC.
>> > > +
>> > > endif # MTD_NAND
>> > >
>> >
>> > +obj-$(CONFIG_MTD_NAND_ARASAN) += arasan_nfc.o
>> >
>> > "nfc" part a bit ambiguous since NFC might be Near Field
>> > Communication.
>>
>> This driver is under mtd/nand so, there is no point of confusion and
>> in this context nfc is nand flash controller.
>
> Imagine that at some point arasan (whatever) releases NFC chip, and
> someone puts the driver under corresponding folder but with the same
> file name (and driver name). Do you see a problem? I see two:
> - if you built-in both how you supply command line parameters?
> - some platform code may do request_module() or
> platform_driver_register() with the name you provided as DRIVER_NAME.
#3: Module filenames must be unique, too. "modprobe arasan_nfc.ko" won't
know which module to load.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2015-11-12 10:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-05 2:49 [PATCH v4 2/3] mtd: nand: Add support for Arasan Nand Flash Controller Punnaiah Choudary Kalluri
2015-11-09 13:50 ` Andy Shevchenko
2015-11-12 4:48 ` punnaiah choudary kalluri
2015-11-12 10:32 ` Andy Shevchenko
2015-11-12 10:38 ` Geert Uytterhoeven [this message]
2015-11-12 13:25 ` punnaiah choudary kalluri
2015-11-12 5:00 ` punnaiah choudary kalluri
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