From: Kalle Valo <kvalo@codeaurora.org>
To: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
Cc: Govindaraj Saminathan <gsamin@codeaurora.org>,
linux-wireless@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [PATCH v3] ath11k: cold boot calibration support
Date: Mon, 21 Sep 2020 13:42:50 +0000 (UTC) [thread overview]
Message-ID: <20200921134250.0DED4C433C8@smtp.codeaurora.org> (raw)
In-Reply-To: <1600163991-2093-1-git-send-email-ssreeela@codeaurora.org>
Sowmiya Sree Elavalagan <ssreeela@codeaurora.org> wrote:
> From: Govindaraj Saminathan <gsamin@codeaurora.org>
>
> cold boot calibration is the process to calibrate all the channels
> during the boot-up to avoid the calibration delay during the
> channel change.
> During the boot-up, firmware started with mode “cold_boot_calibration”
> Firmware calibrate all channels and generate CalDb(DDR).
> Subsequent WIFI ON will reuse the same CalDb.
> Firmware restarted with Mission mode to continue the normal operation.
>
> caldb memory address send to firmware through the QMI message.Firmware
> use this address to store the caldb data and use it until next reboot.
>
> This will give the improvement during the channel change. But it is
> increasing the boot-up time(up to 15sec depend on number of radios).
> So if the user want to reduce the boot-up time and accepting for channel
> change delay, user can disable this feature using the module param
> cold_boot_cal =0.
> Tested-on: IPQ8074 WLAN.HK.2.4.0.1-00192-QCAHKSWPL_SILICONZ-1
>
>
> Signed-off-by: Govindaraj Saminathan <gsamin@codeaurora.org>
> Co-developed-by: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
> Signed-off-by: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
Fails to apply:
error: patch failed: drivers/net/wireless/ath/ath11k/ahb.c:573
error: drivers/net/wireless/ath/ath11k/ahb.c: patch does not apply
stg import: Diff does not apply cleanly
Patch set to Changes Requested.
--
https://patchwork.kernel.org/patch/11775953/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
--
ath11k mailing list
ath11k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath11k
prev parent reply other threads:[~2020-09-21 13:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 9:59 [PATCH v3] ath11k: cold boot calibration support Sowmiya Sree Elavalagan
2020-09-15 19:51 ` kernel test robot
2020-09-21 13:40 ` Kalle Valo
2020-09-22 5:07 ` [kbuild-all] " Rong Chen
2020-09-22 5:54 ` Kalle Valo
2020-09-22 6:29 ` Rong Chen
2020-09-17 19:54 ` Peter Oh
2020-10-15 11:37 ` ssreeela
2020-09-21 13:42 ` Kalle Valo [this message]
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