linux-kernel - Re: [PATCH v8 00/22] Move PMC clocks into Tegra PMC driver

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Message-ID: <7722b7b8-82df-c450-a94c-704d15819af0@gmail.com>
Date:   Thu, 5 Mar 2020 00:22:52 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sowjanya Komatineni <skomatineni@...dia.com>
Cc:     jonathanh@...dia.com, broonie@...nel.org, lgirdwood@...il.com,
        perex@...ex.cz, tiwai@...e.com, mperttunen@...dia.com,
        gregkh@...uxfoundation.org, sboyd@...nel.org, robh+dt@...nel.org,
        mark.rutland@....com, pdeschrijver@...dia.com, pgaikwad@...dia.com,
        spujar@...dia.com, josephl@...dia.com, daniel.lezcano@...aro.org,
        mmaddireddy@...dia.com, markz@...dia.com,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 00/22] Move PMC clocks into Tegra PMC driver

04.03.2020 22:26, Dmitry Osipenko пишет:
> 17.02.2020 12:59, Thierry Reding пишет:
> ...
>> I've applied patches 1-10 and 13-16 to the Tegra tree, but I think it
>> should be fine for Mark to pick up the ASoC patches into his tree,
>> right?
>>
>> As I mentioned in my reply to patch 20, I think we need to hold off on
>> applying patches 20-22 until all the rest have been merged, otherwise
>> we'll regress.
> 
> Hello Thierry and Sowjanya,
> 
> I was trying today's next-20200304 and found that WiFi / Bluetooth got
> broken:
> 
> [   23.130017] ieee80211 phy0: brcmf_proto_bcdc_query_dcmd:
> brcmf_proto_bcdc_msg failed w/status -110
> [   23.130167] ieee80211 phy0: brcmf_cfg80211_get_channel: chanspec
> failed (-110)
> [   25.690008] ieee80211 phy0: brcmf_proto_bcdc_query_dcmd:
> brcmf_proto_bcdc_msg failed w/status -110
> [   30.811972] ieee80211 phy0: brcmf_dongle_scantime: Scan assoc time
> error (-110)
> [   33.370184] ieee80211 phy0: brcmf_netdev_open: failed to bring up
> cfg80211
> [   35.929994] ieee80211 phy0: brcmf_proto_bcdc_query_dcmd:
> brcmf_proto_bcdc_msg failed w/status -110
> [   35.930181] ieee80211 phy0: brcmf_cfg80211_get_channel: chanspec
> failed (-110)
> 
> The fix is to replace TEGRA30_CLK_BLINK with TEGRA_PMC_CLK_BLINK in a
> device-tree.
> 
> I'm not sure that the TEGRA30_CLK_BLINK breakage is expected to happen
> because all clk/tegra/ PMC code is still in place. Please take a look,
> thanks in advance.

This happens because the unused "pmc_blink" is getting auto-disabled by
the CCF. Which means that it's wrong to apply this series partially.

@Thierry, please re-apply it all properly. All patches, excluding patch
#11, should be applied. Thanks in advance.