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The driver has supported the "fsl,imx6sx-lcdif" compatible string since the initial commit: commit 45d59d704080 ("drm: Add new driver for MXSFB controller") Therefore the fallback compatible string "fsl,imx28-lcdif" is not required and can be removed. Fix the following CHECK_DTB warning: /arch/arm/boot/dts/nxp/imx/imx6sx-nitrogen6sx.dtb: lcdif@2220000 (fsl,imx6sx-lcdif): compatible: 'oneOf' conditional failed, one must be fixed: ['fsl,imx6sx-lcdif', 'fsl,imx28-lcdif'] is too long Signed-off-by: Frank Li --- Cc: Liu Ying Cc: Fabio Estevam Previous Fabio Estevam work try to allow fallback at https://lore.kernel.org/imx/42eb2d42-47b0-46b6-92e9-c59473113c2d@nxp.com/ --- arch/arm/boot/dts/nxp/imx/imx6sx.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi index 1426f357d4744..aefae5a3a6beb 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi @@ -1304,7 +1304,7 @@ csi2: csi@221c000 { }; lcdif1: lcdif@2220000 { - compatible = "fsl,imx6sx-lcdif", "fsl,imx28-lcdif"; + compatible = "fsl,imx6sx-lcdif"; reg = <0x02220000 0x4000>; interrupts = ; clocks = <&clks IMX6SX_CLK_LCDIF1_PIX>, @@ -1325,7 +1325,7 @@ lcdif1_to_ldb: endpoint { }; lcdif2: lcdif@2224000 { - compatible = "fsl,imx6sx-lcdif", "fsl,imx28-lcdif"; + compatible = "fsl,imx6sx-lcdif"; reg = <0x02224000 0x4000>; interrupts = ; clocks = <&clks IMX6SX_CLK_LCDIF2_PIX>, -- 2.43.0