linux-kernel - Re: [PATCH V2 2/3] mtd: spi-nor: add support for macronix mx25u3235f

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Message-ID: <2a6961e5-51ac-e6ac-ff8f-a1147d61808d@gmail.com>
Date:   Wed, 21 Dec 2016 11:07:04 +0100
From:   Marek Vasut <marek.vasut@...il.com>
To:     John Crispin <john@...ozen.org>,
        André Valentin <avalentin@...cant.net>,
        Cyrille Pitchen <cyrille.pitchen@...el.com>
Cc:     linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 2/3] mtd: spi-nor: add support for macronix mx25u3235f

On 12/21/2016 09:18 AM, John Crispin wrote:
> Hi André
> 
> could you test if it also works when enabling SECT_4K please ?

Yes, please test, thanks.

btw please do stop top-posting.

> 	John
> 
> On 21/12/2016 09:11, André Valentin wrote:
>> Hi!
>>
>> I took these values from the manufacturer SDK (Qualcomm). I could not detect any problems with the setting.
>>
>> Kind regards,
>>
>> André
>>
>> Am 21.12.2016 um 08:33 schrieb Marek Vasut:
>>> On 12/21/2016 08:23 AM, John Crispin wrote:
>>>> From: André Valentin <avalentin@...cant.net>
>>>>
>>>> This patch adds support for a new macronix spi flash chip. We have had this
>>>> patch inside our tree for a while and people are actively using routers
>>>> with this chip.
>>>>
>>>> Signed-off-by: John Crispin <john@...ozen.org>
>>>> Signed-off-by: André Valentin <avalentin@...cant.net>
>>>> ---
>>>> Changes in V2
>>>> * add description
>>>> * add SECT_4K
>>>> * fix indenting
>>>
>>> Are you SURE this chip can do sect_4k ? The datasheet seems to imply
>>> that, but I wonder why it wasn't in V1 of this patch then ? Esp. if
>>> people are actively using this chip ...
>>>
>>>>  drivers/mtd/spi-nor/spi-nor.c |    1 +
>>>>  1 file changed, 1 insertion(+)
>>>>
>>>> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
>>>> index 171adb3..bfff159 100644
>>>> --- a/drivers/mtd/spi-nor/spi-nor.c
>>>> +++ b/drivers/mtd/spi-nor/spi-nor.c
>>>> @@ -868,6 +868,7 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
>>>>  	{ "mx25l3205d",  INFO(0xc22016, 0, 64 * 1024,  64, SECT_4K) },
>>>>  	{ "mx25l3255e",  INFO(0xc29e16, 0, 64 * 1024,  64, SECT_4K) },
>>>>  	{ "mx25l6405d",  INFO(0xc22017, 0, 64 * 1024, 128, SECT_4K) },
>>>> +	{ "mx25u3235f",	 INFO(0xc22536, 0, 64 * 1024,  64, SECT_4K) },
>>>>  	{ "mx25u6435f",  INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) },
>>>>  	{ "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
>>>>  	{ "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
>>>>
>>>
>>>
>>


-- 
Best regards,
Marek Vasut