Set the default status for PCIe to disabled in the exynos5440.dtsi file and let the board dts files such as exynos5440-ssdk5440.dts enable the PCIe. However, keep the PCIe for SD5v1 board disabled, because there is no PCIe slot on SD5v1 board. Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx> --- Tested on SSDK5440 board. arch/arm/boot/dts/exynos5440-ssdk5440.dts | 2 ++ arch/arm/boot/dts/exynos5440.dtsi | 2 ++ 2 files changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/exynos5440-ssdk5440.dts b/arch/arm/boot/dts/exynos5440-ssdk5440.dts index a7cb848..d58cb78 100644 --- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts +++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts @@ -68,9 +68,11 @@ pcie@290000 { reset-gpio = <&pin_ctrl 5 0>; + status = "okay"; }; pcie@2a0000 { reset-gpio = <&pin_ctrl 22 0>; + status = "okay"; }; }; diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi index 5d6cf49..8da1070 100644 --- a/arch/arm/boot/dts/exynos5440.dtsi +++ b/arch/arm/boot/dts/exynos5440.dtsi @@ -276,6 +276,7 @@ interrupt-map-mask = <0 0 0 0>; interrupt-map = <0x0 0 &gic 53>; num-lanes = <4>; + status = "disabled"; }; pcie@2a0000 { @@ -296,5 +297,6 @@ interrupt-map-mask = <0 0 0 0>; interrupt-map = <0x0 0 &gic 56>; num-lanes = <4>; + status = "disabled"; }; }; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html