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

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Message-ID: <96ed39c9-32d3-98a1-e9d8-ffe63307a556@gmail.com>
Date:   Wed, 4 Mar 2020 22:26:52 +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

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.