On 21.10.2022 05:27, Krzysztof Kozlowski wrote: > On Qualcomm SC7180 and SM8450 SocS, the typical debug console serial > port is part of GENI Serial Engine QUP Wrapper Controller which uses > interconnects. This means that without interconnect drivers, the serial > might not probe. Without serial console, the root might not be mounted > by initramfs: > > + REASON=No init found. Try passing init= bootarg. PS1=(initramfs > ... > (initramfs) run-init -c /dev/console -n /root /sbin/init > run-init: opening console: No such file or directory > > This means that interconnect drivers on these Qualcomm SoCs cannot be > modules and must be built-in to mount rootfs. > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> > --- Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx> Konrad > arch/arm64/configs/defconfig | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index 2af94d3c1c11..c1b7fb44e381 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -1301,7 +1301,7 @@ CONFIG_INTERCONNECT_QCOM_MSM8916=m > CONFIG_INTERCONNECT_QCOM_MSM8996=m > CONFIG_INTERCONNECT_QCOM_OSM_L3=m > CONFIG_INTERCONNECT_QCOM_QCS404=m > -CONFIG_INTERCONNECT_QCOM_SC7180=m > +CONFIG_INTERCONNECT_QCOM_SC7180=y > CONFIG_INTERCONNECT_QCOM_SC7280=y > CONFIG_INTERCONNECT_QCOM_SC8180X=y > CONFIG_INTERCONNECT_QCOM_SC8280XP=y > @@ -1309,7 +1309,7 @@ CONFIG_INTERCONNECT_QCOM_SDM845=y > CONFIG_INTERCONNECT_QCOM_SM8150=m > CONFIG_INTERCONNECT_QCOM_SM8250=m > CONFIG_INTERCONNECT_QCOM_SM8350=m > -CONFIG_INTERCONNECT_QCOM_SM8450=m > +CONFIG_INTERCONNECT_QCOM_SM8450=y > CONFIG_EXT2_FS=y > CONFIG_EXT3_FS=y > CONFIG_EXT4_FS_POSIX_ACL=y