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From: Tony Lindgren <tony@atomide.com>
To: Chen-Yu Tsai <wenst@chromium.org>
Cc: "John Ogness" <john.ogness@linutronix.de>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Jiri Slaby" <jirislaby@kernel.org>,
	"Andy Shevchenko" <andriy.shevchenko@intel.com>,
	"Dhruva Gole" <d-gole@ti.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Johan Hovold" <johan@kernel.org>,
	"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	linux-omap@vger.kernel.org,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
	"Nícolas F. R. A. Prado" <nfraprado@collabora.com>,
	"AngeloGioacchino Del Regno"
	<angelogioacchino.delregno@collabora.com>,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v12 1/1] serial: core: Start managing serial controllers to enable runtime PM
Date: Tue, 6 Jun 2023 15:20:59 +0300	[thread overview]
Message-ID: <20230606122059.GC14287@atomide.com> (raw)
In-Reply-To: <CAGXv+5GR9TEaNrj4B21H2iukS2kWW=rtoWkoVnWewVsrbcG0Hw@mail.gmail.com>

* Chen-Yu Tsai <wenst@chromium.org> [230606 09:17]:
> I ended up following 8250_dw's design, which seemed less convoluted.
> The original code was waaay too convoluted.

OK that looks good to me thanks. Good to hear you got it sorted out.

The 8250_dw style runtime PM is a good solution for simple cases. Where
it won't work are SoCs where runtime PM calls need to propagate up the
bus hierarchy. For example, 8250_omap needs runtime PM calls for the
interconnect and power domain to get register access working.

> BTW, the Bluetooth breakage seems like a different problem.

OK seems like we're good to go then :)

Regards,

Tony


  reply	other threads:[~2023-06-06 12:21 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20230601110030eucas1p2eed547c326a51a6110100fb50799d136@eucas1p2.samsung.com>
2023-05-25 11:30 ` [PATCH v12 1/1] serial: core: Start managing serial controllers to enable runtime PM Tony Lindgren
2023-05-27  8:25   ` Andy Shevchenko
2023-05-30 14:43   ` Greg Kroah-Hartman
2023-06-01 10:04   ` Steven Price
2023-06-01 10:44     ` Tony Lindgren
2023-06-01 10:53       ` Steven Price
2023-06-01 10:57         ` Tony Lindgren
2023-06-01 11:00   ` Marek Szyprowski
2023-06-01 11:11     ` Tony Lindgren
2023-06-01 13:20       ` Tony Lindgren
2023-06-01 14:16         ` Marek Szyprowski
2023-06-01 14:20           ` Tony Lindgren
2023-06-02  8:33   ` Chen-Yu Tsai
2023-06-02  9:27     ` Tony Lindgren
2023-06-02 10:13     ` John Ogness
2023-06-03  5:41       ` Tony Lindgren
2023-06-03  6:35         ` Tony Lindgren
2023-06-05  6:15           ` Tony Lindgren
2023-06-05 11:28             ` Andy Shevchenko
2023-06-05 12:25               ` Tony Lindgren
2023-06-05 11:34             ` Chen-Yu Tsai
2023-06-05 12:24               ` Tony Lindgren
2023-06-05 13:01                 ` Chen-Yu Tsai
2023-06-05 13:18                   ` Tony Lindgren
2023-06-06  9:16                     ` Chen-Yu Tsai
2023-06-06 12:20                       ` Tony Lindgren [this message]
2023-06-07  4:46                         ` Chen-Yu Tsai
2023-06-07  7:17                           ` AngeloGioacchino Del Regno
2023-06-07 20:20                           ` Andy Shevchenko
2023-06-03 21:57         ` Sebastian Reichel
2023-06-04  6:04           ` Tony Lindgren
2023-06-05  3:04       ` Chen-Yu Tsai
2023-10-03 11:57   ` Maximilian Luz
2023-10-03 12:14     ` Tony Lindgren
2023-10-03 12:21       ` Tony Lindgren
2023-10-03 22:09         ` Maximilian Luz
2023-10-04  6:17           ` Tony Lindgren
2023-10-04  7:14             ` Johan Hovold
2023-10-04  9:03               ` Tony Lindgren
2023-10-04  9:14                 ` Johan Hovold
2023-10-04 10:01                   ` Tony Lindgren
2023-10-04 18:44                     ` Maximilian Luz
2023-10-04  7:39             ` Maximilian Luz

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