On Sun, Mar 12, 2023 at 7:45 AM Martin Kepplinger
<martin.kepplinger@xxxxxxx> wrote:
>
> Am Donnerstag, dem 09.03.2023 um 22:39 -0800 schrieb Saravana Kannan:
> > After commit 3fb16866b51d ("driver core: fw_devlink: Make cycle
> > detection more robust"), fw_devlink prints an error when consumer
> > devices don't have their fwnode set. This used to be ignored
> > silently.
> >
> > Set the fwnode mipi_dsi_device so fw_devlink can find them and
> > properly
> > track their dependencies.
> >
> > This fixes errors like this:
> > [ 0.334054] nwl-dsi 30a00000.mipi-dsi: Failed to create device
> > link with regulator-lcd-1v8
> > [ 0.346964] nwl-dsi 30a00000.mipi-dsi: Failed to create device
> > link with backlight-dsi
> >
> > Reported-by: Martin Kepplinger <martin.kepplinger@xxxxxxx>
>
> Reported-and-tested-by: Martin Kepplinger <martin.kepplinger@xxxxxxx>
Maintainers,
Nudge nudge. Will this be picked up for 6.3-rcX?
-Saravana
>
> thanks,
> martin
>
> > Link:
> > https://lore.kernel.org/lkml/2a8e407f4f18c9350f8629a2b5fa18673355b2ae.camel@xxxxxxx/
> > Fixes: 068a00233969 ("drm: Add MIPI DSI bus support")
> > Signed-off-by: Saravana Kannan <saravanak@xxxxxxxxxx>
> > ---
> > drivers/gpu/drm/drm_mipi_dsi.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/drm_mipi_dsi.c
> > b/drivers/gpu/drm/drm_mipi_dsi.c
> > index b41aaf2bb9f1..7923cc21b78e 100644
> > --- a/drivers/gpu/drm/drm_mipi_dsi.c
> > +++ b/drivers/gpu/drm/drm_mipi_dsi.c
> > @@ -221,7 +221,7 @@ mipi_dsi_device_register_full(struct
> > mipi_dsi_host *host,
> > return dsi;
> > }
> >
> > - dsi->dev.of_node = info->node;
> > + device_set_node(&dsi->dev, of_fwnode_handle(info->node));
> > dsi->channel = info->channel;
> > strlcpy(dsi->name, info->type, sizeof(dsi->name));
> >
>
>
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