[PATCH] mtd: spi-nor-core: Implement spi_nor_read_sfdp_dma_unsafe() for sfdp parse

Jagan Teki jagan at amarulasolutions.com
Sun Jul 10 07:37:41 CEST 2022


On Fri, Jun 3, 2022 at 12:31 PM Vaishnav Achath <vaishnav.a at ti.com> wrote:
>
> During SFDP header parse and BFPT parse, structures in stack are used
> to perform spi_nor_read_sfdp() which expects a dma-safe buffer.
>
> This commit introduces spi_nor_read_sfdp_dma_unsafe() to wrap
> spi_nor_read_sfdp() using a kmalloc'ed bounce buffer which is
> the same implementation in Linux (drivers/mtd/spi-nor/sfdp.c).
>
> Signed-off-by: Vaishnav Achath <vaishnav.a at ti.com>
> ---

Applied to u-boot-spi/master


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