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

Pratyush Yadav p.yadav at ti.com
Tue Jun 28 12:01:42 CEST 2022


On 03/06/22 12:31PM, Vaishnav Achath 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>

Reviewed-by: Pratyush Yadav <p.yadav at ti.com>

-- 
Regards,
Pratyush Yadav
Texas Instruments Inc.


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