linux-kernel - Re: [PATCH v2 1/2] mtd: spi-nor: intel-spi: support chips without software sequencer

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Message-ID: <e284a2a8-1d4c-2b57-642c-c91f39a5ee99@fortanix.com>
Date:   Mon, 16 Sep 2019 09:12:50 +0000
From:   Jethro Beekman <jethro@...tanix.com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
CC:     Marek Vasut <marek.vasut@...il.com>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] mtd: spi-nor: intel-spi: support chips without
 software sequencer

On 2019-09-16 11:11, Mika Westerberg wrote:
> Hi,
> 
> On Sun, Sep 15, 2019 at 08:41:55PM +0000, Jethro Beekman wrote:
>> Could someone please review this?
>>
>> On 2019-09-04 03:15, Jethro Beekman wrote:
>>> Some flash controllers don't have a software sequencer. Avoid
>>> configuring the register addresses for it, and double check
>>> everywhere that its not accidentally trying to be used.
> 
> All the supported types in intel_spi_init() set ->sregs so I don't see
> how we could end up calling functions with that not set properly. Which
> controller we are talking about here? CNL?
> 

Yes, see 2/2.

--
Jethro Beekman | Fortanix