linux-kernel - Re: [PATCH V2] ath10k: don't fail if IRAM write fails

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Date:   Wed, 20 Oct 2021 07:54:25 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     ojab <ojab@...b.ru>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, ojab <ojab@...b.ru>,
        ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] ath10k: don't fail if IRAM write fails

ojab <ojab@...b.ru> wrote:

> After reboot with kernel & firmware updates I found `failed to copy
> target iram contents:` in dmesg and missing wlan interfaces for both
> of my QCA9984 compex cards. Rolling back kernel/firmware didn't fixed
> it, so while I have no idea what's actually happening, I don't see why
> we should fail in this case, looks like some optional firmware ability
> that could be skipped.
> 
> Also with additional logging there is
> ```
> [    6.839858] ath10k_pci 0000:04:00.0: No hardware memory
> [    6.841205] ath10k_pci 0000:04:00.0: failed to copy target iram contents: -12
> [    6.873578] ath10k_pci 0000:07:00.0: No hardware memory
> [    6.875052] ath10k_pci 0000:07:00.0: failed to copy target iram contents: -12
> ```
> so exact branch could be seen.
> 
> Signed-off-by: Slava Kardakov <ojab@...b.ru>
> Tested-by: Axel Rasmussen <axelrasmussen@...gle.com>

I'm planning to take this patch instead:

https://patchwork.kernel.org/project/linux-wireless/patch/20211020075054.23061-1-kvalo@codeaurora.org/

Patch set to Superseded.

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20210722193459.7474-1-ojab@ojab.ru/

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