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From: Kalle Valo <kvalo@codeaurora.org>
To: Maharaja Kennadyrajan <mkenna@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: Re: [PATCH] ath10k: add debugfs file warm_hw_reset
Date: Mon, 30 Jul 2018 18:00:05 +0000 (UTC)	[thread overview]
Message-ID: <20180730180005.C6FE360769@smtp.codeaurora.org> (raw)
In-Reply-To: <1531920860-3236-1-git-send-email-mkenna@codeaurora.org>

Maharaja Kennadyrajan <mkenna@codeaurora.org> wrote:

> Debugfs support to do hardware warm reset with WMI command
> WMI_PDEV_PARAM_PDEV_RESET for 10.4 and 10.2.4(if wmi
> service is enabled in the firmware for backward compatibility).
> 
> This change is purely for debugging purpose when hardware hangs/mutes.
> 
> This hardware reset won't affect the connectivity but there will be small
> pause in data traffic. Here we are doing BB/MAC level reset and hence
> whenever the BB/MAC watchdog is triggered, it does a hardware_chip_reset.
> So the target will be in the active state.
> 
> Below command used to warm reset the hardware.
> echo 1 > /sys/kernel/debug/ieee80211/phyX/ath10k/warm_hw_reset
> 
> Tested in QCA988X with firmware ver 10.2.4.70.45
> Tested in QCA4019 with firmware ver 10.4-3.2.1.1-00011
> 
> Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

db251d7df457 ath10k: add debugfs file warm_hw_reset

-- 
https://patchwork.kernel.org/patch/10532465/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches


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      parent reply	other threads:[~2018-07-30 18:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-18 13:34 [PATCH] ath10k: add debugfs file warm_hw_reset Maharaja Kennadyrajan
2018-07-18 13:34 ` Maharaja Kennadyrajan
2018-07-30 18:00 ` Kalle Valo
2018-07-30 18:00 ` Kalle Valo [this message]

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