On Wed, Jun 29, 2022 at 05:08:58PM +0200, Lucas Stach wrote: > Am Donnerstag, dem 16.06.2022 um 15:33 +0800 schrieb Peng Fan (OSS): > > From: Peng Fan <peng.fan@xxxxxxx> > > > > The provider device is created using platform_device_register_data in > > imx-bus driver, which not has of_node. With of_node set, it will be > > easy to support QoS settings. > > > That's a bit dangerous, as sharing a of_node between two devices can > lead to some reference counting issues IIRC, but then I also don't see > a good way to do this any differently. > > Regards, > Lucas > > > Signed-off-by: Peng Fan <peng.fan@xxxxxxx> > > --- > > drivers/interconnect/imx/imx.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c > > index 1f16eedea21c..78557fe6da2c 100644 > > --- a/drivers/interconnect/imx/imx.c > > +++ b/drivers/interconnect/imx/imx.c > > @@ -264,6 +264,7 @@ int imx_icc_register(struct platform_device *pdev, > > provider->xlate = of_icc_xlate_onecell; > > provider->data = data; > > provider->dev = dev->parent; > > + provider->dev->of_node = dev->parent->of_node; Due to the previous line, provider->dev is equal to dev->parent, so doesn't this essentially do dev->parent->of_node = dev->parent->of_node; which is a no-op ? > > platform_set_drvdata(pdev, imx_provider); > > > > ret = icc_provider_add(provider); -- Regards, Laurent Pinchart