Messages in this thread |  | | Date | Tue, 07 Jan 2020 09:32:15 +0100 | From | Michael Walle <> | Subject | Re: [EXT] [PATCH] spi: nxp-fspi: Ensure width is respected in spi-mem operations |
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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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