Hi Thierry, I forgot about these patches. Not urgent, but may be we can queue them for v4.7. Cheers Jon On 09/02/16 13:51, Jon Hunter wrote: > For Tegra boards, the device-tree alias serial0 is used for the console > and so add the stdout-path information so that the console no longer > needs to be passed via the kernel boot parameters. > > This has been tested on boards, tegra20-trimslice, tegra30-beaver, > tegra114-dalmore and tegra124-jetson-tk1. > > Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx> > --- > > The only boards that I have not modified are tegra114-roth and > tegra114-tn7 because these boards have two entries for console > in the *.dts file. AFAICT we cannot suppport multiple consoles > via the stdout-path and if a console is specified by the kernel > boot parameters then this sets the kernel variable > "console_set_on_cmdline" and prevents the stdout-path console > being registered. If there is a better way to handle these boards > via device-tree let me know. > > arch/arm/boot/dts/tegra114-dalmore.dts | 4 ++++ > arch/arm/boot/dts/tegra124-jetson-tk1.dts | 4 ++++ > arch/arm/boot/dts/tegra124-nyan.dtsi | 4 ++++ > arch/arm/boot/dts/tegra124-venice2.dts | 4 ++++ > arch/arm/boot/dts/tegra20-harmony.dts | 4 ++++ > arch/arm/boot/dts/tegra20-iris-512.dts | 4 ++++ > arch/arm/boot/dts/tegra20-medcom-wide.dts | 4 ++++ > arch/arm/boot/dts/tegra20-paz00.dts | 4 ++++ > arch/arm/boot/dts/tegra20-seaboard.dts | 4 ++++ > arch/arm/boot/dts/tegra20-tamonten.dtsi | 4 ++++ > arch/arm/boot/dts/tegra20-trimslice.dts | 4 ++++ > arch/arm/boot/dts/tegra20-ventana.dts | 4 ++++ > arch/arm/boot/dts/tegra20-whistler.dts | 4 ++++ > arch/arm/boot/dts/tegra30-apalis-eval.dts | 4 ++++ > arch/arm/boot/dts/tegra30-beaver.dts | 4 ++++ > arch/arm/boot/dts/tegra30-cardhu.dtsi | 4 ++++ > arch/arm/boot/dts/tegra30-colibri-eval-v3.dts | 4 ++++ > 17 files changed, 68 insertions(+) > > diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts > index 8b7aa0dcdc6e..b5748eeed473 100644 > --- a/arch/arm/boot/dts/tegra114-dalmore.dts > +++ b/arch/arm/boot/dts/tegra114-dalmore.dts > @@ -18,6 +18,10 @@ > serial0 = &uartd; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x80000000 0x40000000>; > }; > diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts > index 4ee2e63e11d0..a7264a15080a 100644 > --- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts > +++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts > @@ -19,6 +19,10 @@ > serial2 = &uartb; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x0 0x80000000 0x0 0x80000000>; > }; > diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi > index ec1aa64ded68..e2cd39e3c95e 100644 > --- a/arch/arm/boot/dts/tegra124-nyan.dtsi > +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi > @@ -8,6 +8,10 @@ > serial0 = &uarta; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x0 0x80000000 0x0 0x80000000>; > }; > diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts > index cfbdf429b45d..604f4b7c2685 100644 > --- a/arch/arm/boot/dts/tegra124-venice2.dts > +++ b/arch/arm/boot/dts/tegra124-venice2.dts > @@ -13,6 +13,10 @@ > serial0 = &uarta; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x0 0x80000000 0x0 0x80000000>; > }; > diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts > index b926a07b9443..4b73c76f981a 100644 > --- a/arch/arm/boot/dts/tegra20-harmony.dts > +++ b/arch/arm/boot/dts/tegra20-harmony.dts > @@ -13,6 +13,10 @@ > serial0 = &uartd; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x00000000 0x40000000>; > }; > diff --git a/arch/arm/boot/dts/tegra20-iris-512.dts b/arch/arm/boot/dts/tegra20-iris-512.dts > index 1dd7d7bfdfcc..bb56dfe9e10c 100644 > --- a/arch/arm/boot/dts/tegra20-iris-512.dts > +++ b/arch/arm/boot/dts/tegra20-iris-512.dts > @@ -11,6 +11,10 @@ > serial1 = &uartd; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > host1x@50000000 { > hdmi@54280000 { > status = "okay"; > diff --git a/arch/arm/boot/dts/tegra20-medcom-wide.dts b/arch/arm/boot/dts/tegra20-medcom-wide.dts > index 9b87526ab0b7..34c6588e92ef 100644 > --- a/arch/arm/boot/dts/tegra20-medcom-wide.dts > +++ b/arch/arm/boot/dts/tegra20-medcom-wide.dts > @@ -10,6 +10,10 @@ > serial0 = &uartd; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > pwm@7000a000 { > status = "okay"; > }; > diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts > index ed7e1009326c..81a10a9df814 100644 > --- a/arch/arm/boot/dts/tegra20-paz00.dts > +++ b/arch/arm/boot/dts/tegra20-paz00.dts > @@ -14,6 +14,10 @@ > serial1 = &uartc; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x00000000 0x20000000>; > }; > diff --git a/arch/arm/boot/dts/tegra20-seaboard.dts b/arch/arm/boot/dts/tegra20-seaboard.dts > index aea8994b35f2..0aed748567aa 100644 > --- a/arch/arm/boot/dts/tegra20-seaboard.dts > +++ b/arch/arm/boot/dts/tegra20-seaboard.dts > @@ -13,6 +13,10 @@ > serial0 = &uartd; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x00000000 0x40000000>; > }; > diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi > index 13d4e6185275..025e9e8037da 100644 > --- a/arch/arm/boot/dts/tegra20-tamonten.dtsi > +++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi > @@ -10,6 +10,10 @@ > serial0 = &uartd; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x00000000 0x20000000>; > }; > diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts > index d99af4ef9c64..69d25ca47e04 100644 > --- a/arch/arm/boot/dts/tegra20-trimslice.dts > +++ b/arch/arm/boot/dts/tegra20-trimslice.dts > @@ -13,6 +13,10 @@ > serial0 = &uarta; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x00000000 0x40000000>; > }; > diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts > index 04c58e9ca490..c61533a9bf0b 100644 > --- a/arch/arm/boot/dts/tegra20-ventana.dts > +++ b/arch/arm/boot/dts/tegra20-ventana.dts > @@ -13,6 +13,10 @@ > serial0 = &uartd; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x00000000 0x40000000>; > }; > diff --git a/arch/arm/boot/dts/tegra20-whistler.dts b/arch/arm/boot/dts/tegra20-whistler.dts > index 340d81108df1..bd7658572239 100644 > --- a/arch/arm/boot/dts/tegra20-whistler.dts > +++ b/arch/arm/boot/dts/tegra20-whistler.dts > @@ -13,6 +13,10 @@ > serial0 = &uarta; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x00000000 0x20000000>; > }; > diff --git a/arch/arm/boot/dts/tegra30-apalis-eval.dts b/arch/arm/boot/dts/tegra30-apalis-eval.dts > index f2879cfcca62..b914bcb381d7 100644 > --- a/arch/arm/boot/dts/tegra30-apalis-eval.dts > +++ b/arch/arm/boot/dts/tegra30-apalis-eval.dts > @@ -17,6 +17,10 @@ > serial3 = &uartd; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > pcie-controller@00003000 { > status = "okay"; > > diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts > index 3dede3934446..1eca3b28ac64 100644 > --- a/arch/arm/boot/dts/tegra30-beaver.dts > +++ b/arch/arm/boot/dts/tegra30-beaver.dts > @@ -12,6 +12,10 @@ > serial0 = &uarta; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x80000000 0x7ff00000>; > }; > diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi > index bb1ca158273c..de9d6ccace14 100644 > --- a/arch/arm/boot/dts/tegra30-cardhu.dtsi > +++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi > @@ -35,6 +35,10 @@ > serial1 = &uartc; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > memory { > reg = <0x80000000 0x40000000>; > }; > diff --git a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts > index 3ff019f47d00..93e1ffd95bfa 100644 > --- a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts > +++ b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts > @@ -15,6 +15,10 @@ > serial2 = &uartd; > }; > > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > host1x@50000000 { > dc@54200000 { > rgb { > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html