Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Mon, 28 Feb 2022 13:23:02 +0100
From:   Richard Leitner <richard.leitner@linux.dev>
To:     Pavel Machek <pavel@denx.de>
Cc:     Sasha Levin <sashal@kernel.org>, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org, Tommaso Merciai <tomm.merciai@gmail.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        richard.leitner@skidata.com, linux-usb@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.10 04/23] usb: usb251xb: add boost-up property
 support
Message-ID: <Yhy+pvprwSx4zdCG@ltleri2>
References: <20220215152957.581303-1-sashal@kernel.org>
 <20220215152957.581303-4-sashal@kernel.org>
 <20220220101256.GC7321@amd>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <20220220101256.GC7321@amd>
Precedence: bulk

Hi,

On Sun, Feb 20, 2022 at 11:12:57AM +0100, Pavel Machek wrote:
> Hi!
> 
> > From: Tommaso Merciai <tomm.merciai@gmail.com>
> > 
> > [ Upstream commit 5c2b9c61ae5d8ad0a196d33b66ce44543be22281 ]
> > 
> > Add support for boost-up register of usb251xb hub.
> > boost-up property control USB electrical drive strength
> > This register can be set:
> > 
> >  - Normal mode -> 0x00
> >  - Low         -> 0x01
> >  - Medium      -> 0x10
> >  - High        -> 0x11
> > 
> > (Normal Default)
> > 
> > References:
> >  - http://www.mouser.com/catalog/specsheets/2514.pdf p29
> 
> Should the boost-up property be documented somewhere in the kernel
> tree? We normally do that for device tree properties. And we normally
> have properties used somewhere in the device tree. What is going on here?

AFAIK this patch was dropped for all stable releases, so this specific
AUTOSEL message/thread is obsolete.

Nonetheless the DT documentation is also missing on master. Therefore
I guess it should be provided asap ????

Tommaso, can you provide a patch?

regards;rl

> 
> Best regards,
> 							Pavel