| To: | Grant Likely <grant.likely@secretlab.ca> |
|---|---|
| Subject: | Re: [PATCH v6 2/2] of: Make of_find_node_by_path() traverse /aliases for relative paths. |
| From: | David Daney <david.daney@cavium.com> |
| Date: | Fri, 09 Mar 2012 09:59:01 -0800 |
| Cc: | David Daney <ddaney.cavm@gmail.com>, "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>, "ralf@linux-mips.org" <ralf@linux-mips.org>, "devicetree-discuss@lists.ozlabs.org" <devicetree-discuss@lists.ozlabs.org>, Rob Herring <rob.herring@calxeda.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org> |
| In-reply-to: | <20120309013324.64DF53E0901@localhost> |
| References: | <1330543264-18103-1-git-send-email-ddaney.cavm@gmail.com> <1330543264-18103-3-git-send-email-ddaney.cavm@gmail.com> <20120309013324.64DF53E0901@localhost> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.15) Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10 |
On 03/08/2012 05:33 PM, Grant Likely wrote: On Wed, 29 Feb 2012 11:21:04 -0800, David Daney<ddaney.cavm@gmail.com> wrote:From: David Daney<david.daney@cavium.com> Currently all paths passed to of_find_node_by_path() must begin with a '/', indicating a full path to the desired node. Augment the look-up code so that if a path does *not* begin with '/', the path is used as the name of an /aliases property. The value of this alias is then used as the full node path to be found. Signed-off-by: David Daney<david.daney@cavium.com> [...] All the aliases are already decoded at boot time now. See of_alias_scan(). Instead of open-coding this, you can add an of_alias_lookup() function something like this (untested): After objections from davem, and a bit of thought, I already indicated on a different branch of this thread that we should drop this patch. I have improved my code so that it is no longer needed. Thanks, David Daney |
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