linux-kernel - Re: [PATCH 1/3] of: base: add support to get machine compatible string

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Message-ID: <b47cd425-ea89-31ff-5b99-dea27bea2d14@arm.com>
Date:   Wed, 23 Nov 2016 12:15:37 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Sekhar Nori <nsekhar@...com>
Cc:     Sudeep Holla <sudeep.holla@....com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Russell King <linux@...linux.org.uk>,
        LKML <linux-kernel@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        linux-drm <dri-devel@...ts.freedesktop.org>,
        linux-devicetree <devicetree@...r.kernel.org>,
        Jyri Sarha <jsarha@...com>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        David Airlie <airlied@...ux.ie>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Robin Murphy <robin.murphy@....com>
Subject: Re: [PATCH 1/3] of: base: add support to get machine compatible
 string



On 23/11/16 12:13, Sekhar Nori wrote:
> On Wednesday 23 November 2016 05:37 PM, Sudeep Holla wrote:
>>> So, the if(!of_node_get()) is just an expensive NULL pointer check. I
>>> think
>>> it is better to be explicit about it by not using of_node_get/put() at
>>> all.
>>> How about:
>>>
>>
>> Are we planning to use this in any time sensitive paths? Anyways I am
>> fine removing them.
>
> Not worried about the time taken as much as it serving as a bad example
> and getting carried over to other places where the impact might actually
> be real.
>

Ah OK, sure.

-- 
Regards,
Sudeep