From: Reza Arbab <arbab@linux.vnet.ibm.com>
To: Rob Herring <robh+dt@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Frank Rowand <frowand.list@gmail.com>,
Jonathan Corbet <corbet@lwn.net>,
Andrew Morton <akpm@linux-foundation.org>,
Bharata B Rao <bharata@linux.vnet.ibm.com>,
Nathan Fontenot <nfont@linux.vnet.ibm.com>,
Stewart Smith <stewart@linux.vnet.ibm.com>,
Alistair Popple <apopple@au1.ibm.com>,
Balbir Singh <bsingharora@gmail.com>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH v2 1/3] drivers/of: recognize status property of dt memory nodes
Date: Thu, 15 Sep 2016 09:31:57 -0500 [thread overview]
Message-ID: <20160915143157.mi7xhxfedbic6m63@arbab-laptop> (raw)
In-Reply-To: <CAL_JsqK5ngY-eJggPSo5AGcv4CC2b8Y1X_aYzr06_Zf6Kv-u=w@mail.gmail.com>
On Thu, Sep 15, 2016 at 08:43:08AM -0500, Rob Herring wrote:
>On Wed, Sep 14, 2016 at 3:06 PM, Reza Arbab <arbab@linux.vnet.ibm.com> wrote:
>> + status = of_get_flat_dt_prop(node, "status", NULL);
>> + add_memory = !status || !strcmp(status, "okay");
>
>Move this into it's own function to mirror the unflattened version
>(of_device_is_available). Also, make sure the logic is the same. IIRC,
>"ok" is also allowed.
Will do.
>> @@ -1057,6 +1062,9 @@ int __init early_init_dt_scan_memory(unsigned long node, const char *uname,
>> pr_debug(" - %llx , %llx\n", (unsigned long long)base,
>> (unsigned long long)size);
>>
>> + if (!add_memory)
>> + continue;
>
>There's no point in checking this in the loop. status applies to the
>whole node. Just return up above.
I was trying to preserve that pr_debug output for these nodes, but I'm
also fine with skipping it.
Thanks for your feedback! I'll spin a v3 of this patchset soon.
--
Reza Arbab
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2016-09-15 14:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-14 20:06 [PATCH v2 0/3] powerpc/mm: movable hotplug " Reza Arbab
2016-09-14 20:06 ` [PATCH v2 1/3] drivers/of: recognize status property of dt " Reza Arbab
2016-09-15 13:43 ` Rob Herring
2016-09-15 14:31 ` Reza Arbab [this message]
2016-09-19 10:11 ` Balbir Singh
2016-09-14 20:06 ` [PATCH v2 2/3] powerpc/mm: allow memory hotplug into a memoryless node Reza Arbab
2016-09-19 11:53 ` Balbir Singh
2016-09-21 5:50 ` Reza Arbab
2016-09-14 20:06 ` [PATCH v2 3/3] mm: enable CONFIG_MOVABLE_NODE on powerpc Reza Arbab
2016-09-19 6:29 ` Aneesh Kumar K.V
2016-09-21 5:45 ` Reza Arbab
2016-09-21 7:09 ` Aneesh Kumar K.V
2016-09-21 14:08 ` Reza Arbab
2016-09-21 14:43 ` Aneesh Kumar K.V
2016-09-21 22:29 ` Reza Arbab
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160915143157.mi7xhxfedbic6m63@arbab-laptop \
--to=arbab@linux.vnet.ibm.com \
--cc=akpm@linux-foundation.org \
--cc=apopple@au1.ibm.com \
--cc=benh@kernel.crashing.org \
--cc=bharata@linux.vnet.ibm.com \
--cc=bsingharora@gmail.com \
--cc=corbet@lwn.net \
--cc=devicetree@vger.kernel.org \
--cc=frowand.list@gmail.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
--cc=nfont@linux.vnet.ibm.com \
--cc=paulus@samba.org \
--cc=robh+dt@kernel.org \
--cc=stewart@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox