From: Kalle Valo <kvalo@codeaurora.org>
To: Wen Gong <wgong@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: Re: [PATCH v6] ath10k: add atomic protection for device recovery
Date: Sat, 12 Dec 2020 04:38:27 +0000 (UTC) [thread overview]
Message-ID: <20201212043827.CECB4C433CA@smtp.codeaurora.org> (raw)
In-Reply-To: <010101746bead6a0-d5e97c66-dedd-4b92-810e-c2e4840fafc9-000000@us-west-2.amazonses.com>
Wen Gong <wgong@codeaurora.org> wrote:
> When it has more than one restart_work queued meanwhile, the 2nd
> restart_work is very easy to break the 1st restart work and lead
> recovery fail.
>
> Add a flag to allow only one restart work running untill
> device successfully recovered.
>
> It already has flag ATH10K_FLAG_CRASH_FLUSH, but it can not use this
> flag again, because it is clear in ath10k_core_start. The function
> ieee80211_reconfig(called by ieee80211_restart_work) of mac80211 do
> many things and drv_start(call to ath10k_core_start) is 1st thing,
> when drv_start complete, it does not mean restart complete. So it
> add new flag and clear it in ath10k_reconfig_complete, because it
> is the last thing called from drv_reconfig_complete of function
> ieee80211_reconfig, after it, the restart process finished.
>
> Tested-on: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00049
>
> Signed-off-by: Wen Gong <wgong@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Patch applied to ath-next branch of ath.git, thanks.
5dadbe4e3718 ath10k: add atomic protection for device recovery
--
https://patchwork.kernel.org/project/linux-wireless/patch/010101746bead6a0-d5e97c66-dedd-4b92-810e-c2e4840fafc9-000000@us-west-2.amazonses.com/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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next parent reply other threads:[~2020-12-12 4:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <010101746bead6a0-d5e97c66-dedd-4b92-810e-c2e4840fafc9-000000@us-west-2.amazonses.com>
2020-12-12 4:38 ` Kalle Valo [this message]
2020-09-08 4:13 [PATCH v6] ath10k: add atomic protection for device recovery Wen Gong
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