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Subject: Re: [RESEND PATCH v3 7/8] mtd: spi-nor: Convert cadence-quadspi to
 use spi-mem framework
To:     Jan Kiszka <jan.kiszka@siemens.com>,
        Tudor Ambarus <tudor.ambarus@microchip.com>,
        Mark Brown <broonie@kernel.org>
CC:     Boris Brezillon <bbrezillon@kernel.org>,
        Ramuthevar Vadivel Murugan 
        <vadivel.muruganx.ramuthevar@linux.intel.com>,
        <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
        <linux-spi@vger.kernel.org>, <simon.k.r.goldschmidt@gmail.com>,
        <dinguyen@kernel.org>, <marex@denx.de>
References: <20200601070444.16923-1-vigneshr@ti.com>
 <20200601070444.16923-8-vigneshr@ti.com>
 <a86aebbc-943d-6cb3-191c-797709692f80@siemens.com>
From:   Vignesh Raghavendra <vigneshr@ti.com>
Message-ID: <00394d38-20d9-60a5-0068-5f9f023520c2@ti.com>
Date:   Mon, 24 Aug 2020 17:14:56 +0530
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Hi Jan,

On 8/24/20 11:25 AM, Jan Kiszka wrote:
[...]

>> +MODULE_AUTHOR("Vignesh Raghavendra <vigneshr@ti.com>");
>>
> On the AM65x, this changes mtd->name (thus mtd-id for
> parser/cmdlinepart) from 47040000.spi.0 to spi7.0. The besides having to
> deal with both names now, "spi7" sounds like it could easily change
> again if someone plugs or unplugs some other SPI device. Is this intended?
> 

You could use DT aliases to make sure OSPI0 is always at given bus num
(say spi7):

        aliases {
                spi7 = &ospi0;
        };

Regards
Vignesh