linux-kernel - Re: [PATCH 01/10] serial: mvebu-uart: initial support for Armada-3700 serial port

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20160203170506.GE1234@leverpostej>
Date:	Wed, 3 Feb 2016 17:05:07 +0000
From:	Mark Rutland <mark.rutland@....com>
To:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:	Jason Cooper <jason@...edaemon.net>, Andrew Lunn <andrew@...n.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	arm@...nel.org, Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Jonathan Corbet <corbet@....net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.com>, linux-serial@...r.kernel.org,
	Tejun Heo <tj@...nel.org>, Hans de Goede <hdegoede@...hat.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	linux-arm-kernel@...ts.infradead.org,
	Wilson Ding <dingwei@...vell.com>,
	Nadav Haklai <nadavh@...vell.com>
Subject: Re: [PATCH 01/10] serial: mvebu-uart: initial support for
 Armada-3700 serial port

On Wed, Feb 03, 2016 at 05:56:56PM +0100, Gregory CLEMENT wrote:
> Hi Mark,
>  
>  On mar., févr. 02 2016, Mark Rutland <mark.rutland@....com> wrote:
> >> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> >> index 87d40a72f6a1..198f6bd56e84 100644
> >> --- a/Documentation/kernel-parameters.txt
> >> +++ b/Documentation/kernel-parameters.txt
> >> @@ -1058,6 +1058,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
> >>  			A valid base address must be provided, and the serial
> >>  			port must already be setup and configured.
> >>  
> >> +		mvebu_uart,<addr>
> >> +			Start an early, polled-mode console on an some mvebu
> >> +			SoC (as the Armada-3700) serial port at the specified
> >> +			address. The serial port must already be setup and
> >> +			configured. Options are not yet supported.
> >> +
> >
> > Does the the mvebu UART vary between platforms at all?
> 
> I am not sure to undersatnd your question.
> 
> If you asked about the UART used on the other mvebu SoCs then my answer
> is: on all the other mvebu SoC until now third party IPs were used.

Ah, I hadn't realised that.

> This one is the first one dedicated to an mevbu SoC and currently only
> used on Armada 3700 but I don't know what are the plan for the future
> mvebu SoCs.

Given that, I think it would be better to use "armada3700_uart=" for
now, given it doesn't cover all mvebu SoCs.

Thanks,
Mark.