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