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Subject: Re: [PATCH] ath10k: Fix hw-restart crash inject mode for WCN3990
From: Kalle Valo <kvalo@codeaurora.org>
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Date: Thu,  7 Feb 2019 14:51:42 +0000 (UTC)
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To: Rakesh Pillai <pillair@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org

Rakesh Pillai <pillair@codeaurora.org> wrote:

> The hw-restart crash inject mode is a special mode, where
> there is no crash generated in the firmware, but instead
> the driver restarts the firmware. In order to restart WCN3990
> firmware, the driver needs to send qmi_wlan_disable message
> followed by the qmi_wlan_enable message to the WCN3990 firmware.
> 
> Currently the qmi_wlan_disable message is not sent to
> the WCN3990 firmware when hw-restart crash is injected,
> which causes the firmware to crash when the driver sends
> qmi_wlan_enable message during ath10k_restart.
> 
> Send qmi_wlan_disable to the WCN3990 firmware when the
> hw-restart crash is injected via debugfs.
> 
> Tested HW: WCN3990
> Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1
> 
> Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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

cdb78e5af491 ath10k: fix hw-restart crash inject mode for WCN3990

-- 
https://patchwork.kernel.org/patch/10785855/

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


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