[PATCH] Revert "mtd: spinand: esmt: fix id code for F50D1G41LB"

Miquel Raynal miquel.raynal at bootlin.com
Mon Dec 8 00:33:28 PST 2025


On 02/12/2025 at 23:05:56 +08, Ziyang Huang <hzyitc at outlook.com> wrote:

> This reverts commit dd26402642a0899fde59ea6b0852fad3d799b4cc.
>
> The issue George met is due to the limit of QPIC, not the issue of the
> flash chip.
>
> QPIC only supports 4 bytes ID. So the fifth byte is always 0.
>
> If we use spi-gpio, the fifth byte can be read correctly.
>
> Signed-off-by: Ziyang Huang <hzyitc at outlook.com>
> ---

So how do we solve that?

Is there anything than can be done on the qpic side?

Thanks,
Miquèl



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