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Subject: Re: [PATCH] ath10k: add target IRAM recovery feature support
From: Kalle Valo <kvalo@codeaurora.org>
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Date: Mon, 23 Nov 2020 18:07:36 +0000 (UTC)
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To: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org

Venkateswara Naralasetty <vnaralas@codeaurora.org> wrote:

> This target IRAM recovery feature support is to copy target
> IRAM contents available at ATH10K_MEM_REGION_TYPE_REG to host
> memory for back up after firmware loaded. Target IRAM contents
> are copied to wmi memory chunks allocated for the
> WMI_IRAM_RECOVERY_HOST_MEM_REQ_ID and provide the wmi chunks
> address to the firmware through wmi init command.
> 
> If firmware detects andy IRAM corruption through periodic
> checksum validation, It will download the IRAM contents back
> from the provided wmi memory chunks address using hif_memcpy.
> 
> This IRAM recovery feature prevent target assert in case of
> unexpected target IRAM corruptions.
> 
> This patch also introduce a new feature flag 'iram-recovery' for
> backward compatibility.
> 
> Tested-on: QCA9888 10.4-3.9.0.2-00094
> 
> Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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

9af7c32ceca8 ath10k: add target IRAM recovery feature support

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1604657442-23674-1-git-send-email-vnaralas@codeaurora.org/

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


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