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From: Kalle Valo <kvalo@qca.qualcomm.com>
Subject: Re: [PATCH 1/3] ath10k: add sysfs entry to configure quiet period
References: <1424437452-28161-1-git-send-email-rmanohar@qti.qualcomm.com>
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Date: Thu, 12 Mar 2015 15:21:34 +0200
In-Reply-To: <20150310165323.GB11700@qca.qualcomm.com> (Rajkumar Manoharan's
 message of "Tue, 10 Mar 2015 22:23:24 +0530")
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To: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org

Rajkumar Manoharan <rmanohar@qti.qualcomm.com> writes:

> On Tue, Mar 10, 2015 at 05:43:58PM +0200, Kalle Valo wrote:
>> Rajkumar Manoharan <rmanohar@qti.qualcomm.com> writes:
>> 
>> > Add support to configure quiet period via sysfs entry. This will
>> > be helpful to experiment different quiet period values along with
>> > different duty cycle ratio.
>> >
>> > To configure quiet period as 30ms,
>> >
>> > echo 30 >/sys/class/ieee80211/phyX/device/quiet_period
>> 
>> What's the justification? To me this looks like an ugly driver private
>> hack. Why can't you use nl80211 or something else?
>
> As this is purely for testing purpose to play around with different
> quiet period along with various throttling state, sysfs entry is used
> instead of netlink testmode command. Instead of debugfs, sysfs entry is
> selected to align with existing thermal interface. 

Please correct me if I'm wrong, but I consider sysfs as a stable user
space interface. It's not meant for random testing stuff.

-- 
Kalle Valo

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