[PATCH v3] ath11k: cold boot calibration support
Kalle Valo
kvalo at codeaurora.org
Mon Sep 21 09:42:50 EDT 2020
Sowmiya Sree Elavalagan <ssreeela at codeaurora.org> wrote:
> From: Govindaraj Saminathan <gsamin at 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 at codeaurora.org>
> Co-developed-by: Sowmiya Sree Elavalagan <ssreeela at codeaurora.org>
> Signed-off-by: Sowmiya Sree Elavalagan <ssreeela at 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
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