[PATCH] drm/bridge: Fix 0-day build error

[Fabrizio Castro]

> -----Original Message-----
> From: linux-renesas-soc-owner at vger.kernel.org <linux-renesas-soc-owner at vger.kernel.org> On Behalf Of Boris Brezillon
> Sent: 19 November 2018 13:23
> To: Fabrizio Castro <fabrizio.castro at bp.renesas.com>
> Cc: Peter Rosin <peda at axentia.se>; Archit Taneja <architt at codeaurora.org>; Andrzej Hajda <a.hajda at samsung.com>; David Airlie
> <airlied at linux.ie>; Laurent Pinchart <Laurent.pinchart at ideasonboard.com>; dri-devel at lists.freedesktop.org; Simon Horman
> <horms at verge.net.au>; Geert Uytterhoeven <geert+renesas at glider.be>; Chris Paterson <Chris.Paterson2 at renesas.com>; Biju Das
> <biju.das at bp.renesas.com>; linux-renesas-soc at vger.kernel.org
> Subject: Re: [PATCH] drm/bridge: Fix 0-day build error
>
> On Mon, 19 Nov 2018 13:09:16 +0000
> Fabrizio Castro <fabrizio.castro at bp.renesas.com> wrote:
>
> > Hi Boris,
> >
> > > From: Boris Brezillon <boris.brezillon at bootlin.com>
> > > Sent: 19 November 2018 12:51
> > > Subject: Re: [PATCH] drm/bridge: Fix 0-day build error
> > >
> > > Hi Fabrizio,
> > >
> > > The prefix should be "drm/bridge/sii902x:" and I'd prefer a short
> > > explanation of what is problematic in the subject rather than "Fix
> > > 0-day build error". Maybe something like
> > >
> > > "drm/bridge/sii902x: Add missing dependency on I2C_MUX"
> > >
> > > On Mon, 19 Nov 2018 12:44:23 +0000
> > > Fabrizio Castro <fabrizio.castro at bp.renesas.com> wrote:
> > >
> > > > kbuild test robot reports:
> > > >
> > > > >> ERROR: "i2c_mux_add_adapter" [drivers/gpu/drm/bridge/sii902x.ko]
> > > > undefined!
> > > > >> ERROR: "i2c_mux_alloc" [drivers/gpu/drm/bridge/sii902x.ko]
> > > > undefined!
> > > > >> ERROR: "i2c_mux_del_adapters" [drivers/gpu/drm/bridge/sii902x.ko]
> > > > undefined!
> > > >
> > > > Quite obviously the driver depends on I2C_MUX, but adding a "depends on"
> > > > introduces a recursive dependency, therefore this patch selects I2C_MUX
> > > > instead.
> > > >
> > >
> > > You need a fixes tag here:
> > >
> > > Fixes: 21d808405fe4 ("drm/bridge/sii902x: Fix EDID readback")
> >
> > Thank you for spotting this, I'll send a v2 right away.
>
> Looks like you didn't change the subject in your v2.

Will send a v3...

Thanks,
Fab

>
> >
> > Cheers,
> > Fab
> >
> > >
> > > Thanks,
> > >
> > > Boris
> > >
> > > > Signed-off-by: Fabrizio Castro <fabrizio.castro at bp.renesas.com>
> > > > Link: https://lists.01.org/pipermail/kbuild-all/2018-November/054924.html
> > > > ---
> > > >  drivers/gpu/drm/bridge/Kconfig | 1 +
> > > >  1 file changed, 1 insertion(+)
> > > >
> > > > diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
> > > > index 9eeb8ef..2fee47b 100644
> > > > --- a/drivers/gpu/drm/bridge/Kconfig
> > > > +++ b/drivers/gpu/drm/bridge/Kconfig
> > > > @@ -95,6 +95,7 @@ config DRM_SII902X
> > > >  depends on OF
> > > >  select DRM_KMS_HELPER
> > > >  select REGMAP_I2C
> > > > +select I2C_MUX
> > > >  ---help---
> > > >    Silicon Image sii902x bridge chip driver.
> > > >
> >
> >
> >
> >
> > Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, UK. Registered in England
> & Wales under Registered No. 04586709.




Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered No. 04586709.