[PATCH net v4 2/3] net: stmmac: Limit FIFO size by hardware capability
Yanteng Si
si.yanteng at linux.dev
Mon Jan 27 10:11:36 PST 2025
在 1/27/25 09:38, Kunihiko Hayashi 写道:
> Tx/Rx FIFO size is specified by the parameter "{tx,rx}-fifo-depth" from
> stmmac_platform layer.
>
> However, these values are constrained by upper limits determined by the
> capabilities of each hardware feature. There is a risk that the upper
> bits will be truncated due to the calculation, so it's appropriate to
> limit them to the upper limit values and display a warning message.
>
> This only works if the hardware capability has the upper limit values.
>
> Fixes: e7877f52fd4a ("stmmac: Read tx-fifo-depth and rx-fifo-depth from the devicetree")
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko at socionext.com>
Reviewed-by: Yanteng Si <si.yanteng at linux.dev>
Thanks,
Yanteng
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