[PATCH] mediatek: add symlink for MT8188 SCP dual core firmware

[Dmitry Baryshkov]

On Tue, Jan 13, 2026 at 01:15:21PM +0800, Chen-Yu Tsai wrote:
> On Tue, Jan 13, 2026 at 10:10 AM Moudy Ho <moudy.ho at mediatek.com> wrote:
> >
> > The MT8188 device tree (DTS) is configured for dual core SCP, and the
> > driver by default attempts to load "scp_c0.img" as the core 0 firmware.
> > Without this symlink, the firmware fails to load and the following error
> > is observed:
> >
> >   [   79.494105] remoteproc remoteproc0: powering up scp
> >   [   79.496217] remoteproc remoteproc0: Booting fw image mediatek/mt8188/scp.img, size 636548
> >   [   79.497298] platform 10500000.scp: IPI buf addr 0x000ffb40
> >   [   79.498013] platform 10500000.scp: IPI buffer does not fit in SRAM.
> >
> > This patch adds a symlink "scp_c0.img" pointing to "scp.img" under
> > meditek/mt8188/ to ensure proper firmware loading for dual core SCP.
> 
> It should be the opposite. "scp_c0.img" is the proper name used upstream,
> "scp.img" is the old name used in old DTBs.
> 
> So you should rename "scp.img" to "scp_c0.img", and then add a symlink
> "scp.img" pointing to "scp_c0.img".

ALso please use the Link: string inside WHENCE file instead of actually
creating a symlink.

> 
> > Signed-off-by: Moudy Ho <moudy.ho at mediatek.com>
> > ---
> >  mediatek/mt8188/scp_c0.img | 1 +
> >  1 file changed, 1 insertion(+)
> >  create mode 120000 mediatek/mt8188/scp_c0.img
> >
> > diff --git a/mediatek/mt8188/scp_c0.img b/mediatek/mt8188/scp_c0.img
> > new file mode 120000
> > index 00000000..8d1dcd4d
> > --- /dev/null
> > +++ b/mediatek/mt8188/scp_c0.img
> > @@ -0,0 +1 @@
> > +scp.img
> > \ No newline at end of file
> > --
> > 2.45.2
> >
> >

-- 
With best wishes
Dmitry