Re: [PATCH v5 3/6] iommu/mediatek: Add error path for loop of mm_dts_parse

[Yong Wu <yong.wu@mediatek.com>]

On Mon, 2022-09-19 at 16:20 +0200, AngeloGioacchino Del Regno wrote:
> Il 19/09/22 11:24, Yong Wu ha scritto:
> > The mtk_iommu_mm_dts_parse will parse the smi larbs nodes. if the
> > i+1
> > larb is parsed fail, we should put_device for the 0..i larbs.
> 
> If any v6 will be required... you forgot to update the commit
> description with
> "we should put_device for the i..0 larbs".

oh. Thanks for reviewing so carefully. I will send a quick v6 to fix
this.

> 
> > 
> > There are two places need to comment:
> > 1) The larbid may be not linear mapping, we should loop whole
> >     the array in the error path.
> > 2) I move this line position: "data->larb_imu[id].dev = &plarbdev-
> > >dev;"
> >     before "if (!plarbdev->dev.driver)", That means set
> >     data->larb_imu[id].dev before the error path. then we don't
> > need
> >     "platform_device_put(plarbdev)" again in probe_defer case. All
> > depend
> >     on "put_device" of the error path in error cases.
> > 
> > Fixes: d2e9a1102cfc ("iommu/mediatek: Contain MM IOMMU flow with
> > the MM TYPE")
> > Signed-off-by: Yong Wu <yong.wu@mediatek.com>
> 
> In any case....
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>

Thanks very much:)

> 
> 
>