linux-kernel - Re: [PATCH v1 01/10] usb: typec: bus: provide transmit type for alternate mode drivers

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Date: Thu, 14 Dec 2023 14:57:10 -0800
From: RD Babiera <rdbabiera@...gle.com>
To: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc: linux@...ck-us.net, gregkh@...uxfoundation.org, pmalani@...omium.org, 
	bleung@...omium.org, chrome-platform@...ts.linux.dev, 
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, badhri@...gle.com, 
	tzungbi@...nel.org, utkarsh.h.patel@...el.com, 
	andriy.shevchenko@...ux.intel.com
Subject: Re: [PATCH v1 01/10] usb: typec: bus: provide transmit type for
 alternate mode drivers

Hi Heikki,

On Thu, Dec 7, 2023 at 3:34 AM Heikki Krogerus
<heikki.krogerus@...ux.intel.com> wrote:
> Instead of forcing this change immediately on every existing user of
> that API, why not supply separate API for the cable alt modes?
>
> Although the SOP* communication is the same in most parts, at least
> Attention (and probable some other messages too) is not valid with
> cable plugs. So maybe it would be more clear to just separate SOP
> communication from SOP Prime/Double Prime in the API?

Your idea makes much more sense and simplified implementation, so
I added it to the next version of the patch set.

Thanks a lot!
---
RD