From: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>
To: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>
Cc: Dave Gerlach <d-gerlach-l0cyMroinI0@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Benoit Cousson <bcousson-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
Ohad Ben-Cohen <ohad-Ix1uc/W3ht7QT0dZR+AlfA@public.gmane.org>,
Suman Anna <s-anna-l0cyMroinI0@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Kevin Hilman <khilman-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [PATCH 2/3] soc: ti: Add wkup_m3_ipc driver
Date: Fri, 2 Jan 2015 14:33:20 -0600 [thread overview]
Message-ID: <20150102203320.GF4920@saruman> (raw)
In-Reply-To: <20150102201643.GE4920@saruman>
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On Fri, Jan 02, 2015 at 02:16:43PM -0600, Felipe Balbi wrote:
> On Fri, Jan 02, 2015 at 02:00:16PM -0600, Dave Gerlach wrote:
> > Introduce a wkup_m3_ipc driver to handle communication between the MPU
> > and Cortex M3 wkup_m3 present on am335x.
> >
> > This driver is responsible for actually booting the wkup_m3_rproc and
> > also handling all IPC which is done using the IPC registers in the control
> > module, a mailbox, and a separate interrupt back from the wkup_m3. A small
> > API is exposed for executing specific power commands, which include
> > configuring for low power mode, request a transition to a low power mode,
> > and status info on a previous transition.
another comment is that no user of such API is provided, so it's very
difficult to verify that there's no other way of implementing this.
--
balbi
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WARNING: multiple messages have this Message-ID (diff)
From: balbi@ti.com (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] soc: ti: Add wkup_m3_ipc driver
Date: Fri, 2 Jan 2015 14:33:20 -0600 [thread overview]
Message-ID: <20150102203320.GF4920@saruman> (raw)
In-Reply-To: <20150102201643.GE4920@saruman>
On Fri, Jan 02, 2015 at 02:16:43PM -0600, Felipe Balbi wrote:
> On Fri, Jan 02, 2015 at 02:00:16PM -0600, Dave Gerlach wrote:
> > Introduce a wkup_m3_ipc driver to handle communication between the MPU
> > and Cortex M3 wkup_m3 present on am335x.
> >
> > This driver is responsible for actually booting the wkup_m3_rproc and
> > also handling all IPC which is done using the IPC registers in the control
> > module, a mailbox, and a separate interrupt back from the wkup_m3. A small
> > API is exposed for executing specific power commands, which include
> > configuring for low power mode, request a transition to a low power mode,
> > and status info on a previous transition.
another comment is that no user of such API is provided, so it's very
difficult to verify that there's no other way of implementing this.
--
balbi
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From: Felipe Balbi <balbi@ti.com>
To: Felipe Balbi <balbi@ti.com>
Cc: Dave Gerlach <d-gerlach@ti.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-omap@vger.kernel.org>,
<devicetree@vger.kernel.org>,
Benoit Cousson <bcousson@baylibre.com>,
Ohad Ben-Cohen <ohad@wizery.com>, Suman Anna <s-anna@ti.com>,
Arnd Bergmann <arnd@arndb.de>, Kevin Hilman <khilman@linaro.org>,
Tony Lindgren <tony@atomide.com>
Subject: Re: [PATCH 2/3] soc: ti: Add wkup_m3_ipc driver
Date: Fri, 2 Jan 2015 14:33:20 -0600 [thread overview]
Message-ID: <20150102203320.GF4920@saruman> (raw)
In-Reply-To: <20150102201643.GE4920@saruman>
[-- Attachment #1: Type: text/plain, Size: 846 bytes --]
On Fri, Jan 02, 2015 at 02:16:43PM -0600, Felipe Balbi wrote:
> On Fri, Jan 02, 2015 at 02:00:16PM -0600, Dave Gerlach wrote:
> > Introduce a wkup_m3_ipc driver to handle communication between the MPU
> > and Cortex M3 wkup_m3 present on am335x.
> >
> > This driver is responsible for actually booting the wkup_m3_rproc and
> > also handling all IPC which is done using the IPC registers in the control
> > module, a mailbox, and a separate interrupt back from the wkup_m3. A small
> > API is exposed for executing specific power commands, which include
> > configuring for low power mode, request a transition to a low power mode,
> > and status info on a previous transition.
another comment is that no user of such API is provided, so it's very
difficult to verify that there's no other way of implementing this.
--
balbi
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[-- Type: application/pgp-signature, Size: 819 bytes --]
next prev parent reply other threads:[~2015-01-02 20:33 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-02 20:00 [PATCH 0/3] drivers: soc: ti: Introduce wkup_m3_ipc driver Dave Gerlach
2015-01-02 20:00 ` Dave Gerlach
2015-01-02 20:00 ` Dave Gerlach
2015-01-02 20:00 ` [PATCH 1/3] Documentation: dt: add ti,am3353-wkup-m3-ipc bindings Dave Gerlach
2015-01-02 20:00 ` Dave Gerlach
2015-01-02 20:00 ` Dave Gerlach
2015-01-02 20:00 ` [PATCH 2/3] soc: ti: Add wkup_m3_ipc driver Dave Gerlach
2015-01-02 20:00 ` Dave Gerlach
2015-01-02 20:00 ` Dave Gerlach
2015-01-02 20:16 ` Felipe Balbi
2015-01-02 20:16 ` Felipe Balbi
2015-01-02 20:16 ` Felipe Balbi
2015-01-02 20:33 ` Felipe Balbi [this message]
2015-01-02 20:33 ` Felipe Balbi
2015-01-02 20:33 ` Felipe Balbi
2015-01-05 22:49 ` Dave Gerlach
2015-01-05 22:49 ` Dave Gerlach
2015-01-05 22:49 ` Dave Gerlach
[not found] ` <54AB14E4.2010607-l0cyMroinI0@public.gmane.org>
2015-01-05 22:51 ` Tony Lindgren
2015-01-05 22:51 ` Tony Lindgren
2015-01-05 22:51 ` Tony Lindgren
2015-02-26 20:01 ` Dave Gerlach
2015-02-26 20:01 ` Dave Gerlach
2015-02-26 20:01 ` Dave Gerlach
2015-02-26 22:08 ` Tony Lindgren
2015-02-26 22:08 ` Tony Lindgren
[not found] ` <20150226220817.GR11056-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2015-02-27 17:00 ` Dave Gerlach
2015-02-27 17:00 ` Dave Gerlach
2015-02-27 17:00 ` Dave Gerlach
2015-02-27 17:09 ` Tony Lindgren
2015-02-27 17:09 ` Tony Lindgren
2015-02-27 17:09 ` Tony Lindgren
2015-01-06 2:10 ` Felipe Balbi
2015-01-06 2:10 ` Felipe Balbi
2015-01-06 2:10 ` Felipe Balbi
2015-01-02 20:00 ` [PATCH 3/3] ARM: dts: am33xx: Add wkup_m3_ipc node Dave Gerlach
2015-01-02 20:00 ` Dave Gerlach
2015-01-02 20:00 ` Dave Gerlach
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