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Date: Mon, 12 Dec 2022 14:53:20 +0200
From: Tony Lindgren <tony@...mide.com>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Andy Shevchenko <andriy.shevchenko@...el.com>,
Jiri Slaby <jirislaby@...nel.org>,
Johan Hovold <johan@...nel.org>,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
Vignesh Raghavendra <vigneshr@...com>,
linux-serial <linux-serial@...r.kernel.org>,
linux-omap@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH v4 1/1] serial: core: Start managing serial
controllers to enable runtime PM
* Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com> [221212 12:49]:
> On Mon, 12 Dec 2022, Tony Lindgren wrote:
>
> > Hi Ilpo,
> >
> > * Tony Lindgren <tony@...mide.com> [221208 11:13]:
> > > * Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com> [221208 10:48]:
> > > > With the other patch on top of this, yes, I did see uninitialized
> > > > port->port_dev already in serial_core_add_one_port()->uart_configure_port().
> > > > While that could be solved by removing the pm_runtime_*() calls from
> > > > there, I think it's a generic problem because after
> > > > serial_core_add_one_port() the port can have anything happening on it, no?
> > >
> > > OK. Sounds like it should get sorted out by moving the call to
> > > serial_core_add_one_port() to happen after the devices are created.
> >
> > Can you give a try with the patch below and see if it works for you?
>
> This one worked, yes.
OK good to hear. I'll send out v5 after -rc1 then.
Thanks,
Tony
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