[PATCH] remoteproc: mediatek: Refactor single core check and fix retrocompatibility

[Chen-Yu Tsai]

On Wed, Sep 20, 2023 at 11:03 PM Laura Nao <laura.nao at collabora.com> wrote:
>
> On 9/19/23 11:23, AngeloGioacchino Del Regno wrote:
> > In older devicetrees we had the ChromeOS EC in a node called "cros-ec"
> > instead of the newer "cros-ec-rpmsg", but this driver is now checking
> > only for the latter, breaking compatibility with those.
> >
> > Besides, we can check if the SCP is single or dual core by simply
> > walking through the children of the main SCP node and checking if
> > if there's more than one "mediatek,scp-core" compatible node.
> >
> > Fixes: 1fdbf0cdde98 ("remoteproc: mediatek: Probe SCP cluster on multi-core SCP")
> > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> > ---
> >   drivers/remoteproc/mtk_scp.c | 18 +++++++-----------
> >   1 file changed, 7 insertions(+), 11 deletions(-)
> >
>
> Tested on asurada (spherion) and jacuzzi (juniper). The issue was detected by KernelCI, so:
>
> Reported-by: "kernelci.org bot" <bot at kernelci.org>
> Tested-by: Laura Nao <laura.nao at collabora.com>

Reviewed-by: Chen-Yu Tsai <wenst at chromium.org>
Tested-by: Chen-Yu Tsai <wenst at chromium.org>

on Hayato (MT8192) and Juniper (MT8183).