[PATCH] Revert "dt-bindings: usb: mtk-xhci: Make all clocks required"

[AngeloGioacchino Del Regno]

Il 08/07/22 21:26, Nícolas F. R. A. Prado ha scritto:
> This reverts commit ebc4969ae125e65fdb563f66f4bfa7aec95f7eb4. That
> commit was supposed to make the binding better reflect the MediaTek XHCI
> hardware block by requiring all clocks to be present. But doing that
> also causes too much noise in the devicetrees, since it requires
> updating old MediaTek DTs to add clock handles for the fixed clocks, and
> going forward every new clock added to the binding would require even
> more updates.
> 
> The commit also didn't update the example to match the changes, causing
> additional warnings.
> 
> Instead let's keep the clocks optional so that old devicetrees can keep
> omitting the fixed clocks, and we'll just add the clocks as required on
> new DTs.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado at collabora.com>
> Reviewed-by: Chunfeng Yun <chunfeng.yun at mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>