[PATCH 01/24] spi: spi-mem: Extend spi-mem operations with a per-operation maximum frequency

[Tudor Ambarus]

On 10/30/24 8:52 PM, Han Xu wrote:
> Hi Miquel,

Hi!

> 
> I met the similar problem when working on the Micron MT35XU01GBBA SPI NOR chip.
> The chip can work at 166MHz in SDR mode but 200MHz in DDR mode. I found Read ID
> failed on some platforms when using 200MHz as maximum frequency, so I have to
> lower the maximum frequency with some performance loss.
> 
> I think the patch is useful but the SPI NOR doesn't have such vendor-specific
> predefined SPI_MEM_OPS like SPI NAND. Do you have any suggestion on how to handle
> this case? Thanks.

Why can't we add similar predefined SPI_MEM_OPS in SPI NOR?

Cheers,
ta