[PATCH v5 1/2] stmmac: dwmac-mediatek: enable 2ns delay only for special cases

[AngeloGioacchino Del Regno]

Il 23/12/22 02:50, Biao Huang ha scritto:
> In current driver, MAC will always enable 2ns delay in RGMII mode,
> but that will lead to transmission failures for "rgmii-id"/"rgmii-txid"
> cases.
> 
> Modify the implementation of fix_mac_speed() to ensure the 2ns delay
> will only take effect for "rgmii-rxid"/"rgmii" cases, then user can
> choose phy-mode freely.
> 
> Fixes: f2d356a6ab71 ("stmmac: dwmac-mediatek: add support for mt8195")
> Signed-off-by: Biao Huang <biao.huang at mediatek.com>

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