linux-wireless.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Ben Greear <greearb@candelatech.com>
To: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Cc: linville@tuxdriver.com, johannes@sipsolutions.net,
	linux-wireless@vger.kernel.org, amod.bodas@atheros.com,
	pstew@google.com
Subject: Re: [PATCH 1/5] ath9k: warn when we get a ATH9K_INT_TIM_TIMER and are idle
Date: Tue, 18 Jan 2011 17:34:50 -0800	[thread overview]
Message-ID: <4D363FBA.3000207@candelatech.com> (raw)
In-Reply-To: <1291690135-4535-2-git-send-email-lrodriguez@atheros.com>

On 12/06/2010 06:48 PM, Luis R. Rodriguez wrote:
> We should not be idle when we get the ATH9K_INT_TIM_TIMER,
> otherwise we wake up the chip and that throws off the idle
> state, the driver needs to be in full sleep when idle and
> nothing should turn it awake without turning it back to
> full sleep again. If we leave the chip idle and suspend,
> upon resume the device will become unusable and we get:
>
> ath: Starting driver with initial channel: 5745 MHz
> ath: timeout (100000 us) on reg 0x7000: 0xdeadbeef&  0x00000003 != 0x00000000
>
> Cc: Paul Stewart<pstew@google.com>
> Cc: Amod Bodas<amod.bodas@atheros.com>
> signed-off-by: Luis R. Rodriguez<lrodriguez@atheros.com>
> ---
>   drivers/net/wireless/ath/ath9k/main.c |    1 +
>   1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
> index f026a03..fd27ec9 100644
> --- a/drivers/net/wireless/ath/ath9k/main.c
> +++ b/drivers/net/wireless/ath/ath9k/main.c
> @@ -770,6 +770,7 @@ irqreturn_t ath_isr(int irq, void *dev)
>   		if (status&  ATH9K_INT_TIM_TIMER) {
>   			/* Clear RxAbort bit so that we can
>   			 * receive frames */
> +			WARN_ON(sc->ps_idle);
>   			ath9k_setpower(sc, ATH9K_PM_AWAKE);
>   			ath9k_hw_setrxabort(sc->sc_ah, 0);
>   			sc->ps_flags |= PS_WAIT_FOR_BEACON;

Looks like this patch never made it in.

Should it be in, or should I just drop it from my queue?

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com


  reply	other threads:[~2011-01-19  1:35 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-07  2:48 [PATCH 0/5] mac80211/ath9k: few suspend checks and fixes Luis R. Rodriguez
2010-12-07  2:48 ` [PATCH 1/5] ath9k: warn when we get a ATH9K_INT_TIM_TIMER and are idle Luis R. Rodriguez
2011-01-19  1:34   ` Ben Greear [this message]
2011-01-19  1:38     ` Luis R. Rodriguez
2011-01-19  1:42       ` Ben Greear
2011-01-19  1:43         ` Luis R. Rodriguez
2010-12-07  2:48 ` [PATCH 2/5] ath9k: Fix power save count imbalance on ath_radio_enable() Luis R. Rodriguez
2010-12-07  2:48 ` [PATCH 3/5] ath9k_hw: warn if we cannot change the power to the chip Luis R. Rodriguez
2010-12-07  2:48 ` [PATCH 4/5] mac80211: fix idle change notifications upon device stop Luis R. Rodriguez
2010-12-07  2:48 ` [PATCH 5/5] mac80211: fix issuing idle calls when device open count is 0 Luis R. Rodriguez
2010-12-07  9:38   ` Johannes Berg
2010-12-07 15:20     ` Paul Stewart
2010-12-07 15:23       ` Johannes Berg
2010-12-07 17:28         ` Paul Stewart
2010-12-07 17:31           ` Johannes Berg
2010-12-07 15:44     ` Luis R. Rodriguez
2010-12-07 15:48       ` Johannes Berg
2010-12-07 15:51         ` Luis R. Rodriguez
2010-12-07 15:54           ` Johannes Berg
2010-12-07 15:59             ` Luis R. Rodriguez
2010-12-07 17:32               ` Johannes Berg
2010-12-07 18:04                 ` Luis R. Rodriguez
2010-12-07 18:12                   ` Johannes Berg
2010-12-07 20:49                     ` Luis R. Rodriguez
2010-12-07 20:54                       ` Johannes Berg
2010-12-07 20:56                         ` Luis R. Rodriguez
2010-12-07 20:57                           ` Johannes Berg
2010-12-07 21:28                             ` Luis R. Rodriguez

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=4D363FBA.3000207@candelatech.com \
    --to=greearb@candelatech.com \
    --cc=amod.bodas@atheros.com \
    --cc=johannes@sipsolutions.net \
    --cc=linux-wireless@vger.kernel.org \
    --cc=linville@tuxdriver.com \
    --cc=lrodriguez@atheros.com \
    --cc=pstew@google.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;
as well as URLs for NNTP newsgroup(s).