[PATCH] arm64: defconfig: Increase the maximum number of 8250/16550 serial ports

Apurva Nandan a-nandan at ti.com
Tue Dec 14 00:49:10 PST 2021


On 08/12/21 1:37 pm, Aswath Govindraju wrote:
> On some TI SoCs the number of UART instances used can be greater than 4.
> For example in TI's J721S2 SoC, 11th instance of UART is used as console.
> So, increase the maximum number of instances to 16.
>
> Signed-off-by: Aswath Govindraju <a-govindraju at ti.com>

Reviewed-by: Apurva Nandan <a-nandan at ti.com>

> ---
>   arch/arm64/configs/defconfig | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 0da6a944d5cd..adb9f1f0802d 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -409,6 +409,8 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
>   CONFIG_SERIAL_8250_BCM2835AUX=y
>   CONFIG_SERIAL_8250_DW=y
>   CONFIG_SERIAL_8250_OMAP=y
> +CONFIG_SERIAL_8250_NR_UARTS=16
> +CONFIG_SERIAL_8250_RUNTIME_UARTS=16
>   CONFIG_SERIAL_8250_MT6577=y
>   CONFIG_SERIAL_8250_UNIPHIER=y
>   CONFIG_SERIAL_OF_PLATFORM=y



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