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
Date: Mon, 28 Feb 2022 13:23:02 +0100 [thread overview]
Message-ID: <Yhy+pvprwSx4zdCG@ltleri2> (raw)
In-Reply-To: <20220220101256.GC7321@amd>
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AUTOSEL message/thread is obsolete.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
next prev parent reply other threads:[~2022-02-28 12:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220215152957.581303-1-sashal@kernel.org>
2022-02-15 15:29 ` [PATCH AUTOSEL 5.10 04/23] usb: usb251xb: add boost-up property support Sasha Levin
2022-02-20 10:12 ` Pavel Machek
2022-02-28 12:23 ` Richard Leitner [this message]
2022-03-02 9:24 ` Tommaso Merciai
2022-02-15 15:29 ` [PATCH AUTOSEL 5.10 21/23] net: usb: qmi_wwan: Add support for Dell DW5829e Sasha Levin
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