[PATCH v3 2/3] usb: xhci-mtk: fix a short packet issue of gen1 isoc-in transfer

[AngeloGioacchino Del Regno]

Il 20/12/23 03:58, Chunfeng Yun ha scritto:
> For Gen1 isoc-in transfer, host still send out unexpected ACK after device
> finish the burst with a short packet, this will cause an exception on the
> connected device, such as, a usb 4k camera.
> It can be fixed by setting rxfifo depth less than 4k bytes, prefer to use
> 3k here, the side-effect is that may cause performance drop about 10%,
> including bulk transfer.
> 
> Fixes: 926d60ae64a6 ("usb: xhci-mtk: modify the SOF/ITP interval for mt8195")
> Cc: stable at vger.kernel.org
> Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>

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