linux-kernel - Re: [PATCH v5] mtd: spi-nor: Add support for S3AN spi-nor devices

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Date:   Tue, 20 Sep 2016 17:45:55 +0200
From:   Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:     Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc:     Cyrille Pitchen <cyrille.pitchen@...el.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Stephen Warren <swarren@...dia.com>,
        Jagan Teki <jteki@...nedev.com>, Vignesh R <vigneshr@...com>,
        Marek Vasut <marex@...x.de>,
        Ezequiel García <ezequiel@...guardiasur.com.ar>,
        Rafał Miłecki <zajec5@...il.com>,
        Furquan Shaikh <furquan@...gle.com>,
        "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5] mtd: spi-nor: Add support for S3AN spi-nor devices

Hi Boris

Thanks for your review.

On Tue, Sep 20, 2016 at 1:21 PM, Boris Brezillon
<boris.brezillon@...e-electrons.com> wrote:
>>       int sr, fsr;
>> -     sr = spi_nor_sr_ready(nor);
>> +
>> +     sr = nor->flags & SNOR_F_READY_XSR_RDY ? s3an_sr_ready(nor) :
>> +                                              spi_nor_sr_ready(nor);
>
> Nit: I find
>
>         if (nor->flags & SNOR_F_READY_XSR_RDY)
>                 sr = s3an_sr_ready(nor);
>         else
>                 sr = spi_nor_sr_ready(nor);

Fixed in v6


>> +static loff_t spi_nor_s3an_addr_convert(struct spi_nor *nor, unsigned int addr)
>> +{
>> +     unsigned int offset;
>> +
>> +     offset = (nor->page_size == 264) ? (addr % 264) : (addr % 528);
>
> Why not just
>
>         offset = addr % nor->page_size;
>

Because kbuild test robot does not like it ;)

        make.cross ARCH=blackfin

All errors (new ones prefixed by >>):

   drivers/built-in.o: In function `spi_nor_write':
>> drivers/mtd/spi-nor/spi-nor.c:1050: undefined reference to `__moddi3'

vim +1050 drivers/mtd/spi-nor/spi-nor.c



Thanks!
-- 
Ricardo Ribalda