linux-kernel - Re: [PATCH 3/3] Serial: Separate out earlycon support

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Date:   Mon, 7 Dec 2020 10:11:44 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Akash Asthana <akashast@...eaurora.org>
Cc:     bjorn.andersson@...aro.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-serial@...r.kernel.org,
        mka@...omium.org, dianders@...omium.org,
        linux-kernel@...r.kernel.org, saravanak@...gle.com
Subject: Re: [PATCH  3/3] Serial: Separate out earlycon support

On Mon, Dec 07, 2020 at 02:17:27PM +0530, Akash Asthana wrote:
> Separate out earlycon support from serial driver and remove it's
> dependency on QUP wrapper driver.
> 
> This enable us to manage earlycon independently and we can re-use the
> same earlycon driver for android project which currently uses
> downstream version of QUP drivers.

What do you mean by "downstream" here?

> 
> Signed-off-by: Akash Asthana <akashast@...eaurora.org>
> ---
>  drivers/tty/serial/Kconfig              |   9 +
>  drivers/tty/serial/Makefile             |   1 +
>  drivers/tty/serial/qcom_geni_earlycon.c | 649 ++++++++++++++++++++++++++++++++
>  drivers/tty/serial/qcom_geni_serial.c   |  97 -----

So you are replacing 97 lines of code with 649 lines?  How is this
benefiting anyone?

confused,

greg k-h