From: Arnd Bergmann <arnd@arndb.de>
To: "ABRAHAM, KISHON VIJAY" <kishon@ti.com>
Cc: paul@pwsan.com, tony@atomide.com, linux@arm.linux.org.uk,
b-cousson@ti.com, gregkh@linuxfoundation.org,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, balbi@ti.com
Subject: Re: [RFC PATCH 0/5] omap: add ocp2scp as a misc driver
Date: Thu, 31 May 2012 20:46:14 +0000 [thread overview]
Message-ID: <201205312046.14823.arnd@arndb.de> (raw)
In-Reply-To: <CAAe_U6J3p9Lh9g82tSSLxOJ7nqrozdRe11zV_v2rqTuMYPjbyA@mail.gmail.com>
On Thursday 31 May 2012, ABRAHAM, KISHON VIJAY wrote:
> > I would mark the multiplexed device compatible with "simple-bus", which
> > results in the child devices automatically getting added.
>
> hmm.. ocp2scp has a sysconfig register and it also has a module mode
> by which it can be enabled/disabled. I was making use of pm_runtime
> API's to control these registers (Apart from creating child devices,
> the driver also has a call to pm_runtime_enable).
I see.
> I'm not sure if with
> "simple-bus" we'll be able to do those. I have to check on that.
How about making it compatible with both "simple-bus" and something
that handles the pm_runtime requirements?
I don't understand enough of what needs to be done for pm_runtime
across a lot of devices, but I'd hope that it should be possible
to do that in a generic way based on the device definition.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 0/5] omap: add ocp2scp as a misc driver
Date: Thu, 31 May 2012 20:46:14 +0000 [thread overview]
Message-ID: <201205312046.14823.arnd@arndb.de> (raw)
In-Reply-To: <CAAe_U6J3p9Lh9g82tSSLxOJ7nqrozdRe11zV_v2rqTuMYPjbyA@mail.gmail.com>
On Thursday 31 May 2012, ABRAHAM, KISHON VIJAY wrote:
> > I would mark the multiplexed device compatible with "simple-bus", which
> > results in the child devices automatically getting added.
>
> hmm.. ocp2scp has a sysconfig register and it also has a module mode
> by which it can be enabled/disabled. I was making use of pm_runtime
> API's to control these registers (Apart from creating child devices,
> the driver also has a call to pm_runtime_enable).
I see.
> I'm not sure if with
> "simple-bus" we'll be able to do those. I have to check on that.
How about making it compatible with both "simple-bus" and something
that handles the pm_runtime requirements?
I don't understand enough of what needs to be done for pm_runtime
across a lot of devices, but I'd hope that it should be possible
to do that in a generic way based on the device definition.
Arnd
next prev parent reply other threads:[~2012-05-31 20:47 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-30 10:56 [RFC PATCH 0/5] omap: add ocp2scp as a misc driver Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 10:56 ` [RFC PATCH 1/5] arm: omap: hwmod: make *phy_48m* as the main_clk of ocp2scp Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 14:48 ` Shilimkar, Santosh
2012-05-30 14:48 ` Shilimkar, Santosh
2012-05-30 14:48 ` Shilimkar, Santosh
2012-05-30 10:56 ` [RFC PATCH 2/5] arm: omap: remove ocp2scp_usb_phy_ick clock node Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 14:51 ` Shilimkar, Santosh
2012-05-30 14:51 ` Shilimkar, Santosh
2012-05-30 14:51 ` Shilimkar, Santosh
2012-05-30 15:23 ` Cousson, Benoit
2012-05-30 15:23 ` Cousson, Benoit
2012-05-30 15:23 ` Cousson, Benoit
2012-06-01 12:52 ` ABRAHAM, KISHON VIJAY
2012-06-01 12:52 ` ABRAHAM, KISHON VIJAY
2012-06-01 12:52 ` ABRAHAM, KISHON VIJAY
2012-06-01 13:24 ` Cousson, Benoit
2012-06-01 13:24 ` Cousson, Benoit
2012-06-01 13:24 ` Cousson, Benoit
2012-06-01 15:54 ` ABRAHAM, KISHON VIJAY
2012-06-01 15:54 ` ABRAHAM, KISHON VIJAY
2012-06-01 15:54 ` ABRAHAM, KISHON VIJAY
2012-09-06 15:02 ` ABRAHAM, KISHON VIJAY
2012-09-06 15:02 ` ABRAHAM, KISHON VIJAY
2012-05-30 10:56 ` [RFC PATCH 3/5] drivers: misc: omap: add a new driver for ocp2scp Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 14:55 ` Shilimkar, Santosh
2012-05-30 14:55 ` Shilimkar, Santosh
2012-05-30 10:56 ` [RFC PATCH 4/5] ARM: OMAP4: add _dev_attr_ to ocp2scp for representing usb_phy Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 10:56 ` [RFC PATCH 5/5] arm: omap: ocp2scp: create omap device for ocp2scp Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 10:56 ` Kishon Vijay Abraham I
2012-05-30 18:43 ` [RFC PATCH 0/5] omap: add ocp2scp as a misc driver Arnd Bergmann
2012-05-30 18:43 ` Arnd Bergmann
2012-05-31 8:14 ` ABRAHAM, KISHON VIJAY
2012-05-31 8:14 ` ABRAHAM, KISHON VIJAY
2012-05-31 9:22 ` Arnd Bergmann
2012-05-31 9:22 ` Arnd Bergmann
2012-05-31 11:18 ` ABRAHAM, KISHON VIJAY
2012-05-31 11:18 ` ABRAHAM, KISHON VIJAY
2012-05-31 11:18 ` ABRAHAM, KISHON VIJAY
2012-05-31 20:46 ` Arnd Bergmann [this message]
2012-05-31 20:46 ` Arnd Bergmann
2012-06-06 15:10 ` ABRAHAM, KISHON VIJAY
2012-06-06 15:10 ` ABRAHAM, KISHON VIJAY
2012-06-12 17:07 ` Kevin Hilman
2012-06-12 17:07 ` Kevin Hilman
2012-06-12 17:07 ` Kevin Hilman
2012-06-18 9:34 ` ABRAHAM, KISHON VIJAY
2012-06-18 9:34 ` ABRAHAM, KISHON VIJAY
2012-06-01 10:58 ` Tony Lindgren
2012-06-01 10:58 ` Tony Lindgren
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