From: Felix Fietkau <nbd@openwrt.org>
To: Sujith Manoharan <c_manoha@qti.qualcomm.com>
Cc: linux-wireless@vger.kernel.org, linville@tuxdriver.com,
rodrigue@qca.qualcomm.com
Subject: Re: [PATCH 3.7 2/3] ath9k: improve suspend/resume reliability
Date: Thu, 04 Oct 2012 11:33:56 +0200 [thread overview]
Message-ID: <506D5804.4090806@openwrt.org> (raw)
In-Reply-To: <20588.62828.845432.706022@gargle.gargle.HOWL>
On 2012-10-04 4:33 AM, Sujith Manoharan wrote:
> Felix Fietkau wrote:
>> Ensure that drv_start() always returns true, as a failing hw start usually
>> eventually leads to crashes when there's still a station entry present.
>> Call a power-on reset after a resume and after a hw reset failure to bring
>> the hardware back to life again.
>
> In what situations did HW reset (via start() or resume()) fail ?
I don't know what situations caused it, but this happened on a few
ChromeOS devices in the wild, and my patch fixed it.
- Felix
next prev parent reply other threads:[~2012-10-04 9:33 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-03 19:07 [PATCH 3.7 1/3] ath9k: fix ASPM initialization on resume Felix Fietkau
2012-10-03 19:07 ` [PATCH 3.7 2/3] ath9k: improve suspend/resume reliability Felix Fietkau
2012-10-03 19:07 ` [PATCH 3.7 3/3] ath9k: use ieee80211_free_txskb Felix Fietkau
2012-10-04 2:33 ` [PATCH 3.7 2/3] ath9k: improve suspend/resume reliability Sujith Manoharan
2012-10-04 9:33 ` Felix Fietkau [this message]
2012-10-06 10:46 ` Manoharan, Sujith
2012-10-06 10:59 ` Felix Fietkau
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