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Subject: Re: [PATCH] brcmfmac: don't net_ratelimit() CONSOLE messages on
 firmware crash
To:     =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= <zajec5@gmail.com>,
        Kalle Valo <kvalo@codeaurora.org>
Cc:     Franky Lin <franky.lin@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@cypress.com>,
        Wright Feng <wright.feng@cypress.com>,
        Winnie Chang <winnie.chang@cypress.com>,
        linux-wireless@vger.kernel.org,
        brcm80211-dev-list.pdl@broadcom.com,
        brcm80211-dev-list@cypress.com,
        =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= <rafal@milecki.pl>
References: <20190721195217.26838-1-zajec5@gmail.com>
From:   Arend Van Spriel <arend.vanspriel@broadcom.com>
Message-ID: <652dd333-482c-a467-11a6-a9a57b88b05e@broadcom.com>
Date:   Tue, 23 Jul 2019 10:23:41 +0200
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On 7/21/2019 9:52 PM, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
> 
> Firmware crash is a pretty rare event and can't happen too frequently as
> it has to be followed by a hardware reinitialization and config reload.
> It should be safe to don't use net_ratelimit() when it happens.
> 
> For reporting & debugging purposes it's important to provide a complete
> log as the last lines are actually the most important. This change
> modifies brcmfmac to print all messages in an unlimited way in that
> specific case. With this change there should be finally a backtrace of
> firmware finally visible after a crash.

Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
> ---
>   drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)