From: Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
To: Paul Walmsley <paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org>
Cc: jeremy.kerr-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org,
linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
patches-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
sboyd-jfJNa2p1gH1BDgjK7y7TUQ@public.gmane.org,
magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
arnd.bergmann-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
eric.miao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linaro-dev-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
skannan-jfJNa2p1gH1BDgjK7y7TUQ@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v3 3/5] clk: introduce the common clock framework
Date: Thu, 1 Dec 2011 18:32:11 +0000 [thread overview]
Message-ID: <20111201183211.GC18120@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1112011124221.6289-rwI8Ez+7Ko+d5PgPZx9QOdBPR1lH4CV8@public.gmane.org>
On Thu, Dec 01, 2011 at 11:30:16AM -0700, Paul Walmsley wrote:
> So for example, if you had a driver that did:
> c = clk_get(dev, clk_name);
> clk_enable(c);
> clk_set_rate(c, clk_rate);
> and c was currently not enabled by any other driver on the system, and
> nothing else had called clk_block_rate_change(c), then the rate change
> would be allowed to proceed. (modulo any notifier activity, etc.)
> So clk_{allow,block}_rate_change() was simply intended to allow or
> restrict other users of the same clock, not the current user.
Ah, sorry! I'd totally misunderstood what you were proposing.
WARNING: multiple messages have this Message-ID (diff)
From: broonie@opensource.wolfsonmicro.com (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/5] clk: introduce the common clock framework
Date: Thu, 1 Dec 2011 18:32:11 +0000 [thread overview]
Message-ID: <20111201183211.GC18120@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1112011124221.6289@utopia.booyaka.com>
On Thu, Dec 01, 2011 at 11:30:16AM -0700, Paul Walmsley wrote:
> So for example, if you had a driver that did:
> c = clk_get(dev, clk_name);
> clk_enable(c);
> clk_set_rate(c, clk_rate);
> and c was currently not enabled by any other driver on the system, and
> nothing else had called clk_block_rate_change(c), then the rate change
> would be allowed to proceed. (modulo any notifier activity, etc.)
> So clk_{allow,block}_rate_change() was simply intended to allow or
> restrict other users of the same clock, not the current user.
Ah, sorry! I'd totally misunderstood what you were proposing.
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Paul Walmsley <paul@pwsan.com>
Cc: "Turquette, Mike" <mturquette@ti.com>,
linux@arm.linux.org.uk, linus.walleij@stericsson.com,
patches@linaro.org, shawn.guo@freescale.com,
magnus.damm@gmail.com, linux-kernel@vger.kernel.org,
amit.kucheria@linaro.org, richard.zhao@linaro.org,
grant.likely@secretlab.ca, dsaxena@linaro.org,
eric.miao@linaro.org, sboyd@quicinc.com, skannan@quicinc.com,
linaro-dev@lists.linaro.org, jeremy.kerr@canonical.com,
linux-omap@vger.kernel.org, tglx@linutronix.de,
linux-arm-kernel@lists.infradead.org, arnd.bergmann@linaro.org
Subject: Re: [PATCH v3 3/5] clk: introduce the common clock framework
Date: Thu, 1 Dec 2011 18:32:11 +0000 [thread overview]
Message-ID: <20111201183211.GC18120@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1112011124221.6289@utopia.booyaka.com>
On Thu, Dec 01, 2011 at 11:30:16AM -0700, Paul Walmsley wrote:
> So for example, if you had a driver that did:
> c = clk_get(dev, clk_name);
> clk_enable(c);
> clk_set_rate(c, clk_rate);
> and c was currently not enabled by any other driver on the system, and
> nothing else had called clk_block_rate_change(c), then the rate change
> would be allowed to proceed. (modulo any notifier activity, etc.)
> So clk_{allow,block}_rate_change() was simply intended to allow or
> restrict other users of the same clock, not the current user.
Ah, sorry! I'd totally misunderstood what you were proposing.
next prev parent reply other threads:[~2011-12-01 18:32 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 [this message]
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
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
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
[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 15:42 ` [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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