linux-kernel - Re: [PATCH V6] serial: msm_geni_serial

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Message-ID: <20200708154028.GC715257@kroah.com>
Date:   Wed, 8 Jul 2020 17:40:28 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     "Mukesh, Savaliya" <msavaliy@...eaurora.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Akash Asthana <akashast@...eaurora.org>, saravanak@...gle.com,
        sspatil@...gle.com, tkjos@...gle.com,
        linux-arm-msm@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V6] serial: msm_geni_serial_console : Add Earlycon support

On Wed, Jul 08, 2020 at 08:06:52PM +0530, Mukesh, Savaliya wrote:
> 
> On 6/24/2020 1:19 AM, Bjorn Andersson wrote:
> > On Mon 22 Jun 03:08 PDT 2020, Akash Asthana wrote:
> > 
> > > From: Mukesh Kumar Savaliya <msavaliy@...eaurora.org>
> > > 
> > > This change enables earlyconsole support as static driver for geni
> > > based UART. Kernel space UART console driver will be generic for
> > > console and other usecases of UART.
> > > 
> > Is this hardware different from the qcom,geni-debug-uart which we
> > already have EARLYCON support for?
> > 
> > Why is this a separate driver?
> 
> The Hardware is same, but for the Generic kernel image we are using
> downstream driver which can't be a static compiled driver.

Why not?  Why not fix that?

> The same driver file has  1.earlyconsole, 2.kernel console and 3.HSUART
> driver parts.
> 
> To make Generic image, 2 and 3 are internal downstream driver and 1st one i
> am trying to get upstreamed, so that can be pulled into the ACK.

That has nothing to do with us, please do it correctly so that everyone
benifits.

> The one with the qcom,genu-debug-uart is not being used for our products.

So we can just delete it from the tree?

thanks,

greg k-h