From: Andrew Lunn <andrew@lunn.ch>
To: Peter Hurley <peter@hurleysoftware.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>,
grant.likely@linaro.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, mark.rutland@arm.com,
robh+dt@kernel.org, plagnioj@jcrosoft.com, ijc@debian.org,
s.hauer@pengutronix.de
Subject: Re: [PATCH v3 3/3] of: support passing console options with stdout-path
Date: Thu, 26 Feb 2015 14:46:46 +0100 [thread overview]
Message-ID: <20150226134646.GB8806@lunn.ch> (raw)
In-Reply-To: <54EF09AA.2080706@hurleysoftware.com>
On Thu, Feb 26, 2015 at 06:55:22AM -0500, Peter Hurley wrote:
> On 11/27/2014 12:56 PM, Leif Lindholm wrote:
> > Support specifying console options (like with console=ttyXN,<options>)
> > by appending them to the stdout-path property after a separating ':'.
> >
> > Example:
> > stdout-path = "uart0:115200";
>
> This format breaks DT earlycon because libfdt doesn't recognize ':' as a
> path terminator.
>
> It's simple enough to fix this directly in early_init_dt_scan_chosen_serial()
> but perhaps it would better to teach fdt_path_offset() to recognize ':'?
Hi Peter
ePAPR says for stdout-path in Chosen:
A string that specifies the full path to the node representing the
device to be used for boot console output. If the character ":" is
present in the value it terminates the path. The value may be an
alias.
So it is probably wise to implement this properly.
Andrew
next prev parent reply other threads:[~2015-02-26 13:49 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-27 17:56 [PATCH v3 0/3] " Leif Lindholm
2014-11-27 17:56 ` [PATCH v3 1/3] devicetree: of: Add bindings for chosen node, stdout-path Leif Lindholm
2014-11-27 18:41 ` Mark Rutland
2014-11-28 0:22 ` Grant Likely
2014-12-03 2:24 ` Frank Rowand
2014-12-03 15:12 ` Grant Likely
2014-12-03 19:46 ` Frank Rowand
2014-12-03 21:45 ` Grant Likely
2014-12-03 23:07 ` Frank Rowand
2014-12-04 10:39 ` Grant Likely
2014-11-27 17:56 ` [PATCH v3 2/3] of: add optional options parameter to of_find_node_by_path() Leif Lindholm
2014-11-28 0:44 ` Grant Likely
2014-11-28 11:34 ` Leif Lindholm
2014-11-28 15:25 ` Grant Likely
2014-11-28 15:33 ` Grant Likely
2014-11-28 16:38 ` [PATCH v3 2/3] of: add optional options parameter to? of_find_node_by_path() Leif Lindholm
2014-11-28 23:57 ` Grant Likely
2015-03-04 15:45 ` [PATCH v3 2/3] of: add optional options parameter to of_find_node_by_path() Peter Hurley
2015-03-06 16:52 ` Leif Lindholm
2015-03-06 18:11 ` Peter Hurley
2015-03-06 18:59 ` Peter Hurley
2015-03-13 15:23 ` Rob Herring
2014-11-27 17:56 ` [PATCH v3 3/3] of: support passing console options with stdout-path Leif Lindholm
2014-11-28 15:39 ` Grant Likely
2015-02-26 11:55 ` Peter Hurley
2015-02-26 13:46 ` Andrew Lunn [this message]
2015-02-26 14:09 ` Peter Hurley
2015-02-26 14:44 ` Andrew Lunn
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