From: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
To: Mark Brown
<broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
Cc: linaro-dev-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
Greg KH <greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>,
eric.miao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
jeremy.kerr-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org,
sboyd-jfJNa2p1gH1BDgjK7y7TUQ@public.gmane.org,
magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
arnd.bergmann-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
patches-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
Russell King - ARM Linux
<linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org,
linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
skannan-jfJNa2p1gH1BDgjK7y7TUQ@public.gmane.org
Subject: Re: [PATCH v3 5/5] clk: export tree topology and clk data via sysfs
Date: Wed, 23 Nov 2011 11:19:19 -0800 [thread overview]
Message-ID: <20111123191919.GH31337@atomide.com> (raw)
In-Reply-To: <20111123190954.GA4365-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
* Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org> [111123 10:34]:
> On Wed, Nov 23, 2011 at 10:55:19AM -0800, Tony Lindgren wrote:
> > * Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org> [111123 09:31]:
>
> > > Keep the clk API as a fundamental thing which should be initialized early
> > > so we don't have to invent new clk APIs to get around its unavailability.
>
> > What else are you aware of that is really needed early for clocks other
> > than clockevent?
>
> If nothing else we'd have to resolve all the device probe ordering
> issues (Grant's patches seem a bit stalled) and convert all the systems
> using the API to handle deferring probes until their clocks appear.
> Using an early initcall of some kind would help with that but it does
> seem like a lot of trouble and I'd expect it'll end up getting forced in
> on most systems anyway.
Yes the ordering depends on the system. In any case, initcalls are
not super early compared to setup_timer.
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 5/5] clk: export tree topology and clk data via sysfs
Date: Wed, 23 Nov 2011 11:19:19 -0800 [thread overview]
Message-ID: <20111123191919.GH31337@atomide.com> (raw)
In-Reply-To: <20111123190954.GA4365@opensource.wolfsonmicro.com>
* Mark Brown <broonie@opensource.wolfsonmicro.com> [111123 10:34]:
> On Wed, Nov 23, 2011 at 10:55:19AM -0800, Tony Lindgren wrote:
> > * Russell King - ARM Linux <linux@arm.linux.org.uk> [111123 09:31]:
>
> > > Keep the clk API as a fundamental thing which should be initialized early
> > > so we don't have to invent new clk APIs to get around its unavailability.
>
> > What else are you aware of that is really needed early for clocks other
> > than clockevent?
>
> If nothing else we'd have to resolve all the device probe ordering
> issues (Grant's patches seem a bit stalled) and convert all the systems
> using the API to handle deferring probes until their clocks appear.
> Using an early initcall of some kind would help with that but it does
> seem like a lot of trouble and I'd expect it'll end up getting forced in
> on most systems anyway.
Yes the ordering depends on the system. In any case, initcalls are
not super early compared to setup_timer.
Tony
WARNING: multiple messages have this Message-ID (diff)
From: Tony Lindgren <tony@atomide.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
Greg KH <greg@kroah.com>, Mike Turquette <mturquette@linaro.org>,
linaro-dev@lists.linaro.org, eric.miao@linaro.org,
grant.likely@secretlab.ca, jeremy.kerr@canonical.com,
Mike Turquette <mturquette@ti.com>,
sboyd@quicinc.com, magnus.damm@gmail.com, dsaxena@linaro.org,
linux-arm-kernel@lists.infradead.org, arnd.bergmann@linaro.org,
patches@linaro.org, tglx@linutronix.de,
linux-omap@vger.kernel.org, richard.zhao@linaro.org,
shawn.guo@freescale.com, paul@pwsan.com,
linus.walleij@stericsson.com, linux-kernel@vger.kernel.org,
amit.kucheria@linaro.org, skannan@quicinc.com
Subject: Re: [PATCH v3 5/5] clk: export tree topology and clk data via sysfs
Date: Wed, 23 Nov 2011 11:19:19 -0800 [thread overview]
Message-ID: <20111123191919.GH31337@atomide.com> (raw)
In-Reply-To: <20111123190954.GA4365@opensource.wolfsonmicro.com>
* Mark Brown <broonie@opensource.wolfsonmicro.com> [111123 10:34]:
> On Wed, Nov 23, 2011 at 10:55:19AM -0800, Tony Lindgren wrote:
> > * Russell King - ARM Linux <linux@arm.linux.org.uk> [111123 09:31]:
>
> > > Keep the clk API as a fundamental thing which should be initialized early
> > > so we don't have to invent new clk APIs to get around its unavailability.
>
> > What else are you aware of that is really needed early for clocks other
> > than clockevent?
>
> If nothing else we'd have to resolve all the device probe ordering
> issues (Grant's patches seem a bit stalled) and convert all the systems
> using the API to handle deferring probes until their clocks appear.
> Using an early initcall of some kind would help with that but it does
> seem like a lot of trouble and I'd expect it'll end up getting forced in
> on most systems anyway.
Yes the ordering depends on the system. In any case, initcalls are
not super early compared to setup_timer.
Tony
next prev parent reply other threads:[~2011-11-23 19:19 UTC|newest]
Thread overview: 157+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-22 1:40 [PATCH v3 0/5] common clk framework Mike Turquette
2011-11-22 1:40 ` Mike Turquette
2011-11-22 1:40 ` [PATCH v3 1/5] clk: Kconfig: add entry for HAVE_CLK_PREPARE Mike Turquette
2011-11-22 1:40 ` Mike Turquette
2011-11-26 0:51 ` Shawn Guo
2011-11-26 0:51 ` Shawn Guo
2011-11-26 0:51 ` Shawn Guo
2011-11-22 1:40 ` [PATCH v3 2/5] Documentation: common clk API Mike Turquette
2011-11-22 1:40 ` Mike Turquette
2011-11-23 2:03 ` Saravana Kannan
2011-11-23 2:03 ` Saravana Kannan
2011-11-23 20:33 ` Turquette, Mike
2011-11-23 20:33 ` Turquette, Mike
[not found] ` <CAJOA=zNPNok6HG1jvg=v-_SFJCyNgYPPJbmTeyfOQ0iYdjbStQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-26 8:47 ` Shawn Guo
2011-11-26 8:47 ` Shawn Guo
2011-11-26 8:47 ` Shawn Guo
2011-11-27 1:43 ` Turquette, Mike
2011-11-27 1:43 ` Turquette, Mike
2011-11-22 1:40 ` [PATCH v3 3/5] clk: introduce the common clock framework Mike Turquette
2011-11-22 1:40 ` Mike Turquette
2011-11-23 3:12 ` Saravana Kannan
2011-11-23 3:12 ` Saravana Kannan
2011-11-23 21:30 ` Turquette, Mike
2011-11-23 21:30 ` Turquette, Mike
2011-11-23 21:30 ` Turquette, Mike
2011-11-26 13:22 ` Shawn Guo
2011-11-26 13:22 ` Shawn Guo
2011-11-26 13:22 ` Shawn Guo
2011-11-27 6:00 ` Turquette, Mike
2011-11-27 6:00 ` Turquette, Mike
2011-12-01 1:20 ` Paul Walmsley
2011-12-01 1:20 ` Paul Walmsley
[not found] ` <alpine.DEB.2.00.1111291619110.6289-rwI8Ez+7Ko+d5PgPZx9QOdBPR1lH4CV8@public.gmane.org>
2011-12-01 5:53 ` Turquette, Mike
2011-12-01 5:53 ` Turquette, Mike
2011-12-01 5:53 ` Turquette, Mike
2011-12-01 6:39 ` Paul Walmsley
2011-12-01 6:39 ` Paul Walmsley
2011-12-01 14:42 ` Mark Brown
2011-12-01 14:42 ` Mark Brown
2011-12-01 18:25 ` Turquette, Mike
2011-12-01 18:25 ` Turquette, Mike
2011-12-01 18:25 ` Turquette, Mike
2011-12-01 18:30 ` Paul Walmsley
2011-12-01 18:30 ` Paul Walmsley
[not found] ` <alpine.DEB.2.00.1112011124221.6289-rwI8Ez+7Ko+d5PgPZx9QOdBPR1lH4CV8@public.gmane.org>
2011-12-01 18:32 ` Mark Brown
2011-12-01 18:32 ` Mark Brown
2011-12-01 18:32 ` Mark Brown
2011-12-01 22:03 ` Russell King - ARM Linux
2011-12-01 22:03 ` Russell King - ARM Linux
2011-12-03 1:04 ` Paul Walmsley
2011-12-03 1:04 ` Paul Walmsley
2011-12-01 8:45 ` Russell King - ARM Linux
2011-12-01 8:45 ` Russell King - ARM Linux
2011-12-02 17:13 ` Paul Walmsley
2011-12-02 17:13 ` Paul Walmsley
2011-12-02 20:23 ` Russell King - ARM Linux
2011-12-02 20:23 ` Russell King - ARM Linux
2011-12-02 20:32 ` Uwe Kleine-König
2011-12-02 20:32 ` Uwe Kleine-König
2011-12-02 20:32 ` Uwe Kleine-König
2011-12-01 2:13 ` Paul Walmsley
2011-12-01 2:13 ` Paul Walmsley
2011-12-05 21:15 ` Paul Walmsley
2011-12-05 21:15 ` Paul Walmsley
2011-12-05 23:48 ` Russell King - ARM Linux
2011-12-05 23:48 ` Russell King - ARM Linux
2011-12-06 1:37 ` Paul Walmsley
2011-12-06 1:37 ` Paul Walmsley
2011-12-06 6:28 ` Paul Walmsley
2011-12-06 6:28 ` Paul Walmsley
2011-12-05 23:40 ` Turquette, Mike
2011-12-05 23:40 ` Turquette, Mike
[not found] ` <1321926047-14211-1-git-send-email-mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2011-11-22 1:40 ` [PATCH v3 4/5] clk: basic gateable and fixed-rate clks Mike Turquette
2011-11-22 1:40 ` Mike Turquette
2011-11-22 1:40 ` Mike Turquette
2011-11-22 13:11 ` Arnd Bergmann
2011-11-22 13:11 ` Arnd Bergmann
2011-11-22 15:03 ` Mark Salter
2011-11-22 15:03 ` Mark Salter
[not found] ` <1321974200.2412.25.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2011-11-22 15:49 ` Arnd Bergmann
2011-11-22 15:49 ` Arnd Bergmann
2011-11-22 15:49 ` Arnd Bergmann
2011-11-26 13:48 ` Shawn Guo
2011-11-26 13:48 ` Shawn Guo
2011-11-26 13:48 ` Shawn Guo
2011-11-27 6:03 ` Turquette, Mike
2011-11-27 6:03 ` Turquette, Mike
2011-11-27 6:03 ` Turquette, Mike
2011-11-27 0:09 ` Shawn Guo
2011-11-27 0:09 ` Shawn Guo
2011-11-27 0:09 ` Shawn Guo
2011-11-22 1:40 ` [PATCH v3 5/5] clk: export tree topology and clk data via sysfs Mike Turquette
2011-11-22 1:40 ` Mike Turquette
2011-11-22 1:40 ` Mike Turquette
[not found] ` <1321926047-14211-6-git-send-email-mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2011-11-22 13:07 ` Arnd Bergmann
2011-11-22 13:07 ` Arnd Bergmann
2011-11-22 13:07 ` Arnd Bergmann
2011-11-22 17:42 ` Mike Turquette
2011-11-22 17:42 ` Mike Turquette
2011-11-22 16:37 ` Grant Likely
2011-11-22 18:01 ` Mike Turquette
2011-11-22 18:01 ` Mike Turquette
[not found] ` <CAPtuhTheG-mvoGMaB2y9BSKF-abm2yigoN-SXaeCb+P5R6t_Dg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-22 19:19 ` Grant Likely
2011-11-22 19:19 ` Grant Likely
2011-11-22 19:19 ` Grant Likely
2011-11-22 20:02 ` Arnd Bergmann
2011-11-22 20:02 ` Arnd Bergmann
2011-11-22 20:19 ` Turquette, Mike
2011-11-22 20:19 ` Turquette, Mike
2011-11-22 15:49 ` Greg KH
2011-11-22 15:49 ` Greg KH
2011-11-22 15:49 ` Greg KH
2011-11-22 17:57 ` Mike Turquette
2011-11-22 17:57 ` Mike Turquette
2011-11-22 19:13 ` Greg KH
2011-11-22 19:13 ` Greg KH
2011-11-22 19:13 ` Greg KH
2011-11-23 3:48 ` Saravana Kannan
2011-11-23 3:48 ` Saravana Kannan
2011-11-23 20:43 ` Turquette, Mike
2011-11-23 20:43 ` Turquette, Mike
2011-11-23 20:43 ` Turquette, Mike
2011-11-23 16:59 ` Tony Lindgren
2011-11-23 16:59 ` Tony Lindgren
[not found] ` <20111123165903.GF31337-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2011-11-23 18:06 ` Russell King - ARM Linux
2011-11-23 18:06 ` Russell King - ARM Linux
2011-11-23 18:06 ` Russell King - ARM Linux
[not found] ` <20111123180651.GB19739-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2011-11-23 18:55 ` Tony Lindgren
2011-11-23 18:55 ` Tony Lindgren
2011-11-23 18:55 ` Tony Lindgren
2011-11-23 19:09 ` Mark Brown
2011-11-23 19:09 ` Mark Brown
[not found] ` <20111123190954.GA4365-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2011-11-23 19:19 ` Tony Lindgren [this message]
2011-11-23 19:19 ` Tony Lindgren
2011-11-23 19:19 ` Tony Lindgren
[not found] ` <20111123185518.GG31337-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2011-11-23 22:42 ` Russell King - ARM Linux
2011-11-23 22:42 ` Russell King - ARM Linux
2011-11-23 22:42 ` Russell King - ARM Linux
[not found] ` <20111123224248.GC19739-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2011-11-24 1:08 ` Tony Lindgren
2011-11-24 1:08 ` Tony Lindgren
2011-11-24 1:08 ` Tony Lindgren
2011-11-22 15:42 ` [PATCH v3 0/5] common clk framework Greg KH
2011-11-22 15:42 ` Greg KH
2011-11-22 17:45 ` Russell King - ARM Linux
2011-11-22 17:45 ` Russell King - ARM Linux
2011-11-22 18:09 ` Mike Turquette
2011-11-22 18:09 ` Mike Turquette
2011-11-22 19:12 ` Greg KH
2011-11-22 19:12 ` Greg KH
2011-11-22 19:30 ` Mark Brown
2011-11-22 19:30 ` Mark Brown
2011-11-26 7:06 ` Shawn Guo
2011-11-26 7:06 ` Shawn Guo
2011-11-26 7:06 ` Shawn Guo
[not found] ` <20111126070601.GA19176-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2011-11-27 1:12 ` Turquette, Mike
2011-11-27 1:12 ` Turquette, Mike
2011-11-27 1:12 ` Turquette, Mike
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