RE: [PATCH v2 0/2] enable spi flash and update is25wp256d page write capabilities

[Sagar Kadam]

Hi,

A gentle reminder.
Any suggestions here?

BR,
Sagar Kadam

> -----Original Message-----
> From: Sagar Kadam <sagar.kadam@xxxxxxxxxx>
> Sent: Tuesday, May 19, 2020 4:16 PM
> To: linux-riscv@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-
> mtd@xxxxxxxxxxxxxxxxxxx
> Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx>; palmer@xxxxxxxxxxx;
> aou@xxxxxxxxxxxxxxxxx; tudor.ambarus@xxxxxxxxxxxxx;
> miquel.raynal@xxxxxxxxxxx; richard@xxxxxx; vigneshr@xxxxxx;
> anup.patel@xxxxxxx; Sagar Kadam <sagar.kadam@xxxxxxxxxx>
> Subject: [PATCH v2 0/2] enable spi flash and update is25wp256d page write
> capabilities
> 
> HiFive Unleashed A00 board has is25wp256d snor chip. It is observed that it
> gets configured with Serial Input Page program by the end of spi_nor_scan.
> Using the post bfpt fixup hook we prioritize the page program settings to
> use quad input page program (opcode:0x34) over serial input page program
> (opcode: 0x12).
> 
> The patchset is tested on Linux 5.7.0-rc5.
> 
> Changelog:
> ===============================
> V2:
> -Split common code between is25lp256 and is25wp256 devices as suggested
> Added a generic post bfpt fixup handler that identifies the flash parts
> based on their device id and uses the corresponding fixup. Other device's
> that need a post bfpt fixup can just add the device id check and either
> reuse the available fixups or write the necessary fixup code if one is not
> available.
> 
> V1:
> -Moved SPI_SIFIVE from defconfig to Kconfig.socs for SOC_SIFIVE.
>  Retained it's configurability using "imply" instead of "select"
> 
> V0: Base version patch (Tested on 5.7.0-rc3).
> 
> 
> Sagar Shrikant Kadam (2):
>   riscv: defconfig: enable spi nor on Hifive Unleashed A00
>   spi: nor: update page program settings for is25wp256 using post bfpt
>     fixup
> 
>  arch/riscv/Kconfig.socs      |  1 +
>  arch/riscv/configs/defconfig |  3 +-
>  drivers/mtd/spi-nor/issi.c   | 72
> ++++++++++++++++++++++++++++++++++++--------
>  3 files changed, 63 insertions(+), 13 deletions(-)
> 
> --
> 2.7.4