linux-kernel - Re: [PATCH v16 00/15] mtd: spi-nor: add xSPI Octal DTR support

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Date:   Mon, 9 Nov 2020 22:55:49 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     <linux-kernel@...r.kernel.org>, Pratyush Yadav <p.yadav@...com>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        <linux-mtd@...ts.infradead.org>,
        Richard Weinberger <richard@....at>
CC:     Vignesh Raghavendra <vigneshr@...com>,
        Sekhar Nori <nsekhar@...com>,
        Boris Brezillon <boris.brezillon@...labora.com>
Subject: Re: [PATCH v16 00/15] mtd: spi-nor: add xSPI Octal DTR support

On Mon, 5 Oct 2020 21:01:23 +0530, Pratyush Yadav wrote:
> This series adds support for Octal DTR flashes in the SPI NOR framework,
> and then adds hooks for the Cypress Semper and Micron Xcella flashes to
> allow running them in Octal DTR mode. This series assumes that the flash
> is handed to the kernel in Legacy SPI mode.
> 
> Tested on Micron MT35X and S28HS flashes for Octal DTR. Tested on Micron
> MT25Q, and Cypress S25FL for regressions. All flashes were tested by
> running a read/write stress test on top of UBIFS. On the Cypress S28HS
> flash 1-bit ECC had to be used to allow UBIFS to work since partial page
> writes don't work with 2-bit ECC.
> 
> [...]

With comments on 14/15 addressed:

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git spi-nor/next, thanks!
[01/15] mtd: spi-nor: core: use EOPNOTSUPP instead of ENOTSUPP
        https://git.kernel.org/mtd/c/39bdfb789b
[02/15] mtd: spi-nor: add spi_nor_controller_ops_{read_reg, write_reg, erase}()
        https://git.kernel.org/mtd/c/6e1bf55d72
[03/15] mtd: spi-nor: add support for DTR protocol
        https://git.kernel.org/mtd/c/0e30f47232
[04/15] mtd: spi-nor: sfdp: get command opcode extension type from BFPT
        https://git.kernel.org/mtd/c/0e1b2fc4e5
[05/15] mtd: spi-nor: sfdp: parse xSPI Profile 1.0 table
        https://git.kernel.org/mtd/c/fb27f19897
[06/15] mtd: spi-nor: core: use dummy cycle and address width info from SFDP
        https://git.kernel.org/mtd/c/6c6a2b2b8e
[07/15] mtd: spi-nor: core: do 2 byte reads for SR and FSR in DTR mode
        https://git.kernel.org/mtd/c/354b412967
[08/15] mtd: spi-nor: Introduce SNOR_F_IO_MODE_EN_VOLATILE
        https://git.kernel.org/mtd/c/c6908077b1
[09/15] mtd: spi-nor: Parse SFDP SCCR Map
        https://git.kernel.org/mtd/c/981a8d60e0
[10/15] mtd: spi-nor: core: enable octal DTR mode when possible
        https://git.kernel.org/mtd/c/a33c89db4c
[11/15] mtd: spi-nor: sfdp: detect Soft Reset sequence support from BFPT
        https://git.kernel.org/mtd/c/1131324aa5
[12/15] mtd: spi-nor: core: perform a Soft Reset on shutdown
        https://git.kernel.org/mtd/c/d73ee7534c
[13/15] mtd: spi-nor: core: disable Octal DTR mode on suspend.
        https://git.kernel.org/mtd/c/1b65c43f70
[14/15] mtd: spi-nor: spansion: add support for Cypress Semper flash
        https://git.kernel.org/mtd/c/c3266af101
[15/15] mtd: spi-nor: micron-st: allow using MT35XU512ABA in Octal DTR mode
        https://git.kernel.org/mtd/c/ad624dfd7b

--
Regards
Vignesh