| Message ID | 20190506164121.4507-1-thierry.reding@gmail.com |
|---|---|
| State | Deferred |
| Headers | show |
| Series | arm64: tegra: Disable XUSB support on Jetson TX2 | expand |
On 5/6/19 9:41 AM, Thierry Reding wrote: > From: Thierry Reding <treding@nvidia.com> > > The recently introduced XUSB support for Jetson TX2 is causing boot, CPU > hotplug and suspend/resume failures according to several reports. > > Temporarily work around this by disabling the XUSB controller and XUSB > pad controller nodes in device tree, while we figure out what's causing > this. > > Reported-by: Bitan Biswas <bbiswas@nvidia.com> > Reported-by: Jonathan Hunter <jonathanh@nvidia.com> > Signed-off-by: Thierry Reding <treding@nvidia.com> > --- > arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts > index 75ee6cf1e1b4..14d7fea82daf 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts > +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts > @@ -59,7 +59,7 @@ > }; > > padctl@3520000 { > - status = "okay"; > + status = "disabled"; > > avdd-pll-erefeut-supply = <&vdd_1v8_pll>; > avdd-usb-supply = <&vdd_3v3_sys>; > @@ -137,7 +137,7 @@ > }; > > usb@3530000 { > - status = "okay"; > + status = "disabled"; > > phys = <&{/padctl@3520000/pads/usb2/lanes/usb2-0}>, > <&{/padctl@3520000/pads/usb2/lanes/usb2-1}>, > Verified with this patch that Jetson TX2 core power is again turning off and suspend mode is entered with additional Tegra186 suspend patches from below patch list under review : http://patchwork.ozlabs.org/project/linux-tegra/list/?series=78866
On 06/05/2019 17:41, Thierry Reding wrote: > From: Thierry Reding <treding@nvidia.com> > > The recently introduced XUSB support for Jetson TX2 is causing boot, CPU > hotplug and suspend/resume failures according to several reports. > > Temporarily work around this by disabling the XUSB controller and XUSB > pad controller nodes in device tree, while we figure out what's causing > this. > > Reported-by: Bitan Biswas <bbiswas@nvidia.com> > Reported-by: Jonathan Hunter <jonathanh@nvidia.com> > Signed-off-by: Thierry Reding <treding@nvidia.com> > --- > arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts > index 75ee6cf1e1b4..14d7fea82daf 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts > +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts > @@ -59,7 +59,7 @@ > }; > > padctl@3520000 { > - status = "okay"; > + status = "disabled"; > > avdd-pll-erefeut-supply = <&vdd_1v8_pll>; > avdd-usb-supply = <&vdd_3v3_sys>; > @@ -137,7 +137,7 @@ > }; > > usb@3530000 { > - status = "okay"; > + status = "disabled"; > > phys = <&{/padctl@3520000/pads/usb2/lanes/usb2-0}>, > <&{/padctl@3520000/pads/usb2/lanes/usb2-1}>, > Thanks. Tested-by: Jon Hunter <jonathanh@nvidia.com> Acked-by: Jon Hunter <jonathanh@nvidia.com> Cheers Jon
diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index 75ee6cf1e1b4..14d7fea82daf 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -59,7 +59,7 @@ }; padctl@3520000 { - status = "okay"; + status = "disabled"; avdd-pll-erefeut-supply = <&vdd_1v8_pll>; avdd-usb-supply = <&vdd_3v3_sys>; @@ -137,7 +137,7 @@ }; usb@3530000 { - status = "okay"; + status = "disabled"; phys = <&{/padctl@3520000/pads/usb2/lanes/usb2-0}>, <&{/padctl@3520000/pads/usb2/lanes/usb2-1}>,