Re: [PATCH 0/7] ARM: dts: samsung: specify the SPI fifosize

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On Thu, Jan 25, 2024 at 03:16:23PM +0000, Tudor Ambarus wrote:

> These patches close the circle and break the dependency between the SPI
> of_alias ID and the SPI driver. The SPI of_alias ID was used as an index
> into the fifo_lvl_mask to determine the FIFO depth of the SPI node.
> Changing the alias ID into the device tree would make the driver choose
> a wrong FIFO size configuration, if not accessing past the fifo_lvl_mask
> array boundaries. Not specifying an SPI alias would make the driver fail
> to probe, which was wrong too. Thus I updated the driver and I provided

Specifying a specific compatible is just good practice, it makes the DT
much more robust for when we discover new things about the hardware and
reduces the surface of the ABI.

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