| Message ID | 20230220035051.327847-1-marex@denx.de |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | [v2,1/4] dt-bindings: soc: imx8mp-media-blk-ctrl: Align block controller example name | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success | |
| robh/patch-applied | success | |
| robh/dtbs-check | warning | build log |
| robh/dt-meta-schema | success |
On Mon, 2023-02-20 at 04:50 +0100, Marek Vasut wrote: > Align the block controller example node name with Linux imx8mp.dtsi . > No functional change. > > Signed-off-by: Marek Vasut <marex@denx.de> > --- > Cc: Alexander Stein <alexander.stein@ew.tq-group.com> > Cc: Fabio Estevam <festevam@gmail.com> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Cc: Lucas Stach <l.stach@pengutronix.de> > Cc: NXP Linux Team <linux-imx@nxp.com> > Cc: Paul Elder <paul.elder@ideasonboard.com> > Cc: Peng Fan <peng.fan@nxp.com> > Cc: Pengutronix Kernel Team <kernel@pengutronix.de> > Cc: Richard Cochran <richardcochran@gmail.com> > Cc: Richard Zhu <hongxing.zhu@nxp.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Sascha Hauer <s.hauer@pengutronix.de> > Cc: Shawn Guo <shawnguo@kernel.org> > Cc: devicetree@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > --- > V2: Adjust the label too > --- > .../devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Liu Ying <victor.liu@nxp.com>
On Mon, 2023-02-20 at 04:50 +0100, Marek Vasut wrote: > This block should not be compatible with simple-bus and misuse it that way. > Instead, the driver should scan its subnodes and bind drivers to them. > > Fixes: 94e6197dadc9 ("arm64: dts: imx8mp: Add LCDIF2 & LDB nodes") > Signed-off-by: Marek Vasut <marex@denx.de> > --- > Cc: Alexander Stein <alexander.stein@ew.tq-group.com> > Cc: Fabio Estevam <festevam@gmail.com> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Cc: Lucas Stach <l.stach@pengutronix.de> > Cc: NXP Linux Team <linux-imx@nxp.com> > Cc: Paul Elder <paul.elder@ideasonboard.com> > Cc: Peng Fan <peng.fan@nxp.com> > Cc: Pengutronix Kernel Team <kernel@pengutronix.de> > Cc: Richard Cochran <richardcochran@gmail.com> > Cc: Richard Zhu <hongxing.zhu@nxp.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Sascha Hauer <s.hauer@pengutronix.de> > Cc: Shawn Guo <shawnguo@kernel.org> > Cc: devicetree@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > --- > V2: Turn this into 4/4 > --- > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Liu Ying <victor.liu@nxp.com>
Hi Marek, On Mon, 2023-02-20 at 04:50 +0100, Marek Vasut wrote: > This particular block can have DT subnodes describing the LVDS LDB > bridge. Instead of misusing simple-bus to scan for those nodes, do > the scan within the driver. > > Fixes: 94e6197dadc9 ("arm64: dts: imx8mp: Add LCDIF2 & LDB nodes") > Signed-off-by: Marek Vasut <marex@denx.de> > --- > Cc: Alexander Stein <alexander.stein@ew.tq-group.com> > Cc: Fabio Estevam <festevam@gmail.com> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Cc: Lucas Stach <l.stach@pengutronix.de> > Cc: NXP Linux Team <linux-imx@nxp.com> > Cc: Paul Elder <paul.elder@ideasonboard.com> > Cc: Peng Fan <peng.fan@nxp.com> > Cc: Pengutronix Kernel Team <kernel@pengutronix.de> > Cc: Richard Cochran <richardcochran@gmail.com> > Cc: Richard Zhu <hongxing.zhu@nxp.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Sascha Hauer <s.hauer@pengutronix.de> > Cc: Shawn Guo <shawnguo@kernel.org> > Cc: devicetree@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > --- > V2: - Turn this into 3/4 > - Warn and continue in case of error > --- > drivers/soc/imx/imx8m-blk-ctrl.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c > index 399cb85105a18..4f5736e612fb0 100644 > --- a/drivers/soc/imx/imx8m-blk-ctrl.c > +++ b/drivers/soc/imx/imx8m-blk-ctrl.c > @@ -169,7 +169,9 @@ static int imx8m_blk_ctrl_probe(struct platform_device *pdev) > { > const struct imx8m_blk_ctrl_data *bc_data; > struct device *dev = &pdev->dev; > + struct platform_device *child; > struct imx8m_blk_ctrl *bc; > + struct device_node *np; > void __iomem *base; > int i, ret; > > @@ -310,6 +312,13 @@ static int imx8m_blk_ctrl_probe(struct platform_device *pdev) > > dev_set_drvdata(dev, bc); > > + for_each_child_of_node(dev->of_node, np) { > + child = of_platform_device_create(np, NULL, dev); > + if (child) > + continue; We usually check and handle abnormal cases. So, better to check '!child" and warn in the 'if' clause. Anyway, the logic looks ok. So, kinda Reviewed-by: Liu Ying <victor.liu@nxp.com> Regards, Liu Ying > + dev_warn(dev, "failed to create device for %pOF\n", np); > + } > + > return 0; > > cleanup_provider:
On 2/20/23 05:34, Liu Ying wrote: [...] >> @@ -310,6 +312,13 @@ static int imx8m_blk_ctrl_probe(struct platform_device *pdev) >> >> dev_set_drvdata(dev, bc); >> >> + for_each_child_of_node(dev->of_node, np) { >> + child = of_platform_device_create(np, NULL, dev); >> + if (child) >> + continue; > > We usually check and handle abnormal cases. So, better to check > '!child" and warn in the 'if' clause. Anyway, the logic looks ok. So, > kinda > > Reviewed-by: Liu Ying <victor.liu@nxp.com> The current approach reduces indentation, so I'll leave it as is. Thanks
On 20/02/2023 04:50, Marek Vasut wrote: > Align the block controller example node name with Linux imx8mp.dtsi . > No functional change. > > Signed-off-by: Marek Vasut <marex@denx.de> > --- > Cc: Alexander Stein <alexander.stein@ew.tq-group.com> > Cc: Fabio Estevam <festevam@gmail.com> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Cc: Lucas Stach <l.stach@pengutronix.de> > Cc: NXP Linux Team <linux-imx@nxp.com> > Cc: Paul Elder <paul.elder@ideasonboard.com> > Cc: Peng Fan <peng.fan@nxp.com> > Cc: Pengutronix Kernel Team <kernel@pengutronix.de> > Cc: Richard Cochran <richardcochran@gmail.com> > Cc: Richard Zhu <hongxing.zhu@nxp.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Sascha Hauer <s.hauer@pengutronix.de> > Cc: Shawn Guo <shawnguo@kernel.org> > Cc: devicetree@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > --- > V2: Adjust the label too > --- > .../devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml > index dadb6108e3213..71deebe902d52 100644 > --- a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml > +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml > @@ -94,7 +94,7 @@ examples: > #include <dt-bindings/clock/imx8mp-clock.h> > #include <dt-bindings/power/imx8mp-power.h> > > - media_blk_ctl: blk-ctl@32ec0000 { > + media_blk_ctrl: blk-ctrl@32ec0000 { No, because the label is unused. Instead you can just drop it. Unused labels should not be in DT binding examples, although we rarely comment about it. Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml index dadb6108e3213..71deebe902d52 100644 --- a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml @@ -94,7 +94,7 @@ examples: #include <dt-bindings/clock/imx8mp-clock.h> #include <dt-bindings/power/imx8mp-power.h> - media_blk_ctl: blk-ctl@32ec0000 { + media_blk_ctrl: blk-ctrl@32ec0000 { compatible = "fsl,imx8mp-media-blk-ctrl", "syscon"; reg = <0x32ec0000 0x138>; power-domains = <&mediamix_pd>, <&mipi_phy1_pd>, <&mipi_phy1_pd>,
Align the block controller example node name with Linux imx8mp.dtsi . No functional change. Signed-off-by: Marek Vasut <marex@denx.de> --- Cc: Alexander Stein <alexander.stein@ew.tq-group.com> Cc: Fabio Estevam <festevam@gmail.com> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: Paul Elder <paul.elder@ideasonboard.com> Cc: Peng Fan <peng.fan@nxp.com> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Richard Zhu <hongxing.zhu@nxp.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Shawn Guo <shawnguo@kernel.org> Cc: devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org --- V2: Adjust the label too --- .../devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)