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SubjectRe: [PATCH Resend 2/2] ARC: [nsimosci] Unbork console
Date
For Stable 3.10, 3.12, 3.13, 3.14

mainline commit 61fb4bfc010b0d2940f7fd87acbce6a0f03217cb

Thx,
-Vineet

On Saturday 05 April 2014 06:39 PM, Vineet Gupta wrote:
> Despite the switch to right UART driver (prev patch), serial console
> still doesn't work due to missing CONFIG_SERIAL_OF_PLATFORM
>
> Also fix the default cmdline in DT to not refer to out-of-tree
> ARC framebuffer driver for console.
>
> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
> Cc: <stable@vger.kernel.org> #3.10, 3.12, 3.13, 3.14
> Cc: Francois Bedard <Francois.Bedard@synopsys.com>
> ---
> arch/arc/boot/dts/nsimosci.dts | 5 ++++-
> arch/arc/configs/nsimosci_defconfig | 1 +
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts
> index 8bd238c34c7d..4f31b2eb5cdf 100644
> --- a/arch/arc/boot/dts/nsimosci.dts
> +++ b/arch/arc/boot/dts/nsimosci.dts
> @@ -17,7 +17,10 @@
> interrupt-parent = <&intc>;
>
> chosen {
> - bootargs = "console=tty0 consoleblank=0";
> + /* this is for console on PGU */
> + /* bootargs = "console=tty0 consoleblank=0"; */
> + /* this is for console on serial */
> + bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=ttyS0,115200n8 consoleblank=0 debug";
> };
>
> aliases {
> diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig
> index 451af30914f6..c01ba35a4eff 100644
> --- a/arch/arc/configs/nsimosci_defconfig
> +++ b/arch/arc/configs/nsimosci_defconfig
> @@ -54,6 +54,7 @@ CONFIG_SERIO_ARC_PS2=y
> CONFIG_SERIAL_8250=y
> CONFIG_SERIAL_8250_CONSOLE=y
> CONFIG_SERIAL_8250_DW=y
> +CONFIG_SERIAL_OF_PLATFORM=y
> CONFIG_SERIAL_ARC=y
> CONFIG_SERIAL_ARC_CONSOLE=y
> # CONFIG_HW_RANDOM is not set



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