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SubjectRe: [EXT] [PATCH] spi: nxp-fspi: Ensure width is respected in spi-mem operations
Am 2020-01-07 06:39, schrieb Kuldeep Singh:
> Hi Michael,
>
>> -----Original Message-----
>> From: linux-kernel-owner@vger.kernel.org <linux-kernel-
>> owner@vger.kernel.org> On Behalf Of Michael Walle
>> Sent: Thursday, December 12, 2019 1:28 AM
>> To: linux-spi@vger.kernel.org; linux-kernel@vger.kernel.org
>> Cc: Yogesh Gaur <yogeshgaur.83@gmail.com>; Ashish Kumar
>> <ashish.kumar@nxp.com>; Mark Brown <broonie@kernel.org>; Michael
>> Walle <michael@walle.cc>
>> Subject: [EXT] [PATCH] spi: nxp-fspi: Ensure width is respected in
>> spi-mem
>> operations
>>
>> Caution: EXT Email
>>
>> Make use of a core helper to ensure the desired width is respected
>> when
>> calling spi-mem operators.
>>
>> Otherwise only the SPI controller will be matched with the flash chip,
>> which
>> might lead to wrong widths. Also consider the width specified by the
>> user in
>> the device tree.
>
> Could you please mention the flash and modes you tested. Does it
> support DUAL/QUAD mode?
> I couldn't test these modes as NXP LS1028ARDB has "mt35xu02g" which
> supports SINGLE and OCTAL modes only.

That commit is already upstream. But FWIW, it was a Winbond W25Q32FW in
dual i/o mode.

-michael

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