Re: [PATCH] Bluetooth: qca: don't disable power management for QCA6390

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On Mon, Jun 24, 2024 at 10:17 PM Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> On Mon, 24 Jun 2024 at 22:45, Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> >
> > From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> >
> > We unnecessarily fallthrough the case for QCA6390 when initializing the
> > device and hit the condition where - due to the lack of the enable-gpio
> > - we disable power management despite using the power sequencer. We don't
> > need to look for clocks on this model so it makes more sense to just
> > register the hci device and break the switch.
> >
> > Reported-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > Fixes: 4029dba6b6f1 ("Bluetooth: qca: use the power sequencer for QCA6390")
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
>
> Is this going to break the QCA6390 as present on M.2 / PCIe cards? Or
> the older DT which didn't have pwrseq entries?
>

Neither of these has clocks that need to be driven by linux. The only
user of QCA6390 Bluetooth in mainline is RB5. Bindings didn't exist
before so no commitment was ever made.

Bart





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