linux-kernel - Re: [ 22/68] ath9k_hw: avoid possible infinite loop in ar9003_get_pll_sqsum

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Message-ID: <20120713013835.GA3121@herton-Z68MA-D2H-B3>
Date:	Thu, 12 Jul 2012 22:38:35 -0300
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Rolf Offermanns <rolf.offermanns@....net>,
	Sujith Manoharan <c_manoha@....qualcomm.com>,
	Senthil Balasubramanian <senthilb@....qualcomm.com>,
	Mohammed Shafi Shajakhan <mohammed@....qualcomm.com>,
	"John W. Linville" <linville@...driver.com>
Subject: Re: [ 22/68] ath9k_hw: avoid possible infinite loop in
 ar9003_get_pll_sqsum_dvc

On Thu, Jul 12, 2012 at 04:01:56PM -0700, Greg Kroah-Hartman wrote:
> From: Greg KH <gregkh@...uxfoundation.org>
> 
> 3.0-stable review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Mohammed Shafi Shajakhan <mohammed@....qualcomm.com>
> 
> commit f18e3c6b67f448ec47b3a5b242789bd3d5644879 upstream.
> 
> "ath9k: Fix softlockup in AR9485" with commit id
> 64bc1239c790e051ff677e023435d770d2ffa174 fixed the reported
> issue, yet its better to avoid the possible infinite loop
> in ar9003_get_pll_sqsum_dvc by having a timeout as suggested
> by ath9k maintainers.
> http://www.spinics.net/lists/linux-wireless/msg92126.html.
> Based on my testing PLL's locking measurement is done in
> ~200us (2 iterations).

Missing the rest of the patch here.

> 
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