From: Saravana Kannan <skannan@codeaurora.org>
To: "Turquette, Mike" <mturquette@ti.com>
Cc: Shawn Guo <shawn.guo@linaro.org>, Paul Walmsley <paul@pwsan.com>,
Russell King <linux@arm.linux.org.uk>,
Linus Walleij <linus.walleij@stericsson.com>,
patches@linaro.org, Magnus Damm <magnus.damm@gmail.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Stephen Boyd <sboyd@codeaurora.org>,
linux-kernel@vger.kernel.org, linaro-dev@lists.linaro.org,
Jeremy Kerr <jeremy.kerr@canonical.com>,
linux-arm-kernel@lists.infradead.org,
Arnd Bergman <arnd.bergmann@linaro.org>
Subject: Re: [PATCH v7 2/3] clk: introduce the common clock framework
Date: Fri, 23 Mar 2012 14:33:00 -0700 [thread overview]
Message-ID: <4F6CEC0C.4060704@codeaurora.org> (raw)
In-Reply-To: <4F6946AA.4070201@codeaurora.org>
On 03/20/2012 08:10 PM, Saravana Kannan wrote:
> On 03/20/2012 04:53 PM, Turquette, Mike wrote:
>> It does make me
>> wonder if it would be a good idea to pass in the parent rate for
>> .set_parent, which is analogous to .set_rate in many ways.
>
> I need to think a bit more about this.
I was thinking about this. I think the common clock fwk should let the
set_parent ops "return" the rate of the clock in addition to passing the
rate of the parent in.
Say this is a divider clock and some one changes the parent. The cached
"rate" of the clock in the clock fwk is no longer correct. So, the clock
fwk should also add a "*new_rate" param to set parent ops.
Thanks,
Saravana
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
WARNING: multiple messages have this Message-ID (diff)
From: skannan@codeaurora.org (Saravana Kannan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 2/3] clk: introduce the common clock framework
Date: Fri, 23 Mar 2012 14:33:00 -0700 [thread overview]
Message-ID: <4F6CEC0C.4060704@codeaurora.org> (raw)
In-Reply-To: <4F6946AA.4070201@codeaurora.org>
On 03/20/2012 08:10 PM, Saravana Kannan wrote:
> On 03/20/2012 04:53 PM, Turquette, Mike wrote:
>> It does make me
>> wonder if it would be a good idea to pass in the parent rate for
>> .set_parent, which is analogous to .set_rate in many ways.
>
> I need to think a bit more about this.
I was thinking about this. I think the common clock fwk should let the
set_parent ops "return" the rate of the clock in addition to passing the
rate of the parent in.
Say this is a divider clock and some one changes the parent. The cached
"rate" of the clock in the clock fwk is no longer correct. So, the clock
fwk should also add a "*new_rate" param to set parent ops.
Thanks,
Saravana
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
next prev parent reply other threads:[~2012-03-23 21:33 UTC|newest]
Thread overview: 242+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-16 6:11 [PATCH v7 0/3] common clk framework Mike Turquette
2012-03-16 6:11 ` Mike Turquette
2012-03-16 6:11 ` [PATCH v7 1/3] Documentation: common clk API Mike Turquette
2012-03-16 6:11 ` Mike Turquette
2012-03-16 8:25 ` Linus Walleij
2012-03-16 8:25 ` Linus Walleij
2012-03-16 10:29 ` Thomas Gleixner
2012-03-16 10:29 ` Thomas Gleixner
2012-03-16 11:14 ` Amit Kucheria
2012-03-16 11:14 ` Amit Kucheria
2012-03-16 12:18 ` Arnd Bergmann
2012-03-16 12:18 ` Arnd Bergmann
2012-03-16 20:57 ` Arnd Bergmann
2012-03-16 20:57 ` Arnd Bergmann
2012-03-16 21:40 ` Turquette, Mike
2012-03-16 21:40 ` Turquette, Mike
2012-03-16 21:50 ` Nicolas Pitre
2012-03-16 21:50 ` Nicolas Pitre
2012-03-16 22:21 ` Paul Walmsley
2012-03-16 22:21 ` Paul Walmsley
2012-03-16 22:21 ` Paul Walmsley
2012-03-16 22:33 ` Turquette, Mike
2012-03-16 22:33 ` Turquette, Mike
2012-03-17 9:05 ` Arnd Bergmann
2012-03-17 9:05 ` Arnd Bergmann
2012-03-17 9:05 ` Arnd Bergmann
2012-03-17 18:02 ` Turquette, Mike
2012-03-17 18:02 ` Turquette, Mike
2012-03-17 18:02 ` Turquette, Mike
2012-03-17 18:33 ` Arnd Bergmann
2012-03-17 18:33 ` Arnd Bergmann
2012-03-17 18:33 ` Arnd Bergmann
2012-03-17 20:29 ` Sascha Hauer
2012-03-17 20:29 ` Sascha Hauer
2012-03-17 20:29 ` Sascha Hauer
2012-03-17 21:13 ` Arnd Bergmann
2012-03-17 21:13 ` Arnd Bergmann
2012-03-17 21:13 ` Arnd Bergmann
2012-03-20 23:40 ` Paul Walmsley
2012-03-20 23:40 ` Paul Walmsley
2012-03-21 8:59 ` Arnd Bergmann
2012-03-21 8:59 ` Arnd Bergmann
2012-03-16 23:47 ` Sascha Hauer
2012-03-16 23:47 ` Sascha Hauer
2012-03-16 23:47 ` Sascha Hauer
2012-03-17 0:54 ` Rob Herring
2012-03-17 0:54 ` Rob Herring
2012-03-17 0:54 ` Rob Herring
2012-03-17 3:38 ` Saravana Kannan
2012-03-17 3:38 ` Saravana Kannan
2012-03-17 3:38 ` Saravana Kannan
2012-03-20 23:31 ` Paul Walmsley
2012-03-20 23:31 ` Paul Walmsley
2012-03-20 23:31 ` Paul Walmsley
2012-03-21 3:15 ` Nicolas Pitre
2012-03-21 3:15 ` Nicolas Pitre
2012-03-21 3:15 ` Nicolas Pitre
2012-03-21 3:26 ` Saravana Kannan
2012-03-21 3:26 ` Saravana Kannan
2012-03-21 3:26 ` Saravana Kannan
2012-03-21 7:44 ` Paul Walmsley
2012-03-21 7:44 ` Paul Walmsley
2012-03-21 7:44 ` Paul Walmsley
2012-03-21 9:10 ` Sascha Hauer
2012-03-21 9:10 ` Sascha Hauer
2012-03-21 9:10 ` Sascha Hauer
2012-03-21 18:38 ` Saravana Kannan
2012-03-21 18:38 ` Saravana Kannan
2012-03-21 18:38 ` Saravana Kannan
2012-03-21 19:07 ` Mark Brown
2012-03-21 19:07 ` Mark Brown
2012-03-21 19:07 ` Mark Brown
2012-03-21 19:33 ` Tony Lindgren
2012-03-21 19:33 ` Tony Lindgren
2012-03-21 19:33 ` Tony Lindgren
2012-03-21 19:41 ` Saravana Kannan
2012-03-21 19:41 ` Saravana Kannan
2012-03-21 19:41 ` Saravana Kannan
2012-03-21 19:56 ` Mark Brown
2012-03-21 19:56 ` Mark Brown
2012-03-21 19:56 ` Mark Brown
2012-03-21 20:04 ` Saravana Kannan
2012-03-21 20:04 ` Saravana Kannan
2012-03-21 20:04 ` Saravana Kannan
2012-03-21 20:10 ` Mark Brown
2012-03-21 20:10 ` Mark Brown
2012-03-21 20:10 ` Mark Brown
2012-03-22 0:42 ` Russell King - ARM Linux
2012-03-22 0:42 ` Russell King - ARM Linux
2012-03-22 0:42 ` Russell King - ARM Linux
2012-03-21 7:30 ` Paul Walmsley
2012-03-21 7:30 ` Paul Walmsley
2012-03-21 7:30 ` Paul Walmsley
2012-03-21 13:23 ` Nicolas Pitre
2012-03-21 13:23 ` Nicolas Pitre
2012-03-21 13:23 ` Nicolas Pitre
2012-03-16 6:11 ` [PATCH v7 2/3] clk: introduce the common clock framework Mike Turquette
2012-03-16 6:11 ` Mike Turquette
2012-03-17 3:28 ` Saravana Kannan
2012-03-17 3:28 ` Saravana Kannan
2012-03-19 18:56 ` Turquette, Mike
2012-03-19 18:56 ` Turquette, Mike
2012-03-19 19:13 ` Saravana Kannan
2012-03-19 19:13 ` Saravana Kannan
2012-03-19 19:33 ` Turquette, Mike
2012-03-19 19:33 ` Turquette, Mike
2012-03-19 19:49 ` Saravana Kannan
2012-03-19 19:49 ` Saravana Kannan
2012-03-20 3:38 ` [PATCH 1/2] clk: Fix error handling in fixed clock hardware type register fn Saravana Kannan
2012-03-20 3:38 ` Saravana Kannan
2012-03-20 3:38 ` [PATCH 2/2] clk: Move init fields from clk to clk_hw Saravana Kannan
2012-03-20 3:38 ` Saravana Kannan
2012-03-20 7:20 ` Shawn Guo
2012-03-20 7:20 ` Shawn Guo
2012-03-20 7:54 ` Saravana Kannan
2012-03-20 7:54 ` Saravana Kannan
2012-03-20 7:54 ` Saravana Kannan
2012-03-20 8:13 ` Shawn Guo
2012-03-20 8:13 ` Shawn Guo
2012-03-20 9:40 ` Sascha Hauer
2012-03-20 9:40 ` Sascha Hauer
2012-03-20 10:17 ` Saravana Kannan
2012-03-20 10:17 ` Saravana Kannan
2012-03-20 10:17 ` Saravana Kannan
2012-03-20 18:14 ` Sascha Hauer
2012-03-20 18:14 ` Sascha Hauer
2012-03-20 20:14 ` Saravana Kannan
2012-03-20 20:14 ` Saravana Kannan
2012-03-20 22:40 ` Sascha Hauer
2012-03-20 22:40 ` Sascha Hauer
2012-03-22 3:23 ` Shawn Guo
2012-03-22 3:23 ` Shawn Guo
2012-03-20 14:18 ` Shawn Guo
2012-03-20 14:18 ` Shawn Guo
2012-03-20 18:10 ` Sascha Hauer
2012-03-20 18:10 ` Sascha Hauer
2012-03-20 20:06 ` Saravana Kannan
2012-03-20 20:06 ` Saravana Kannan
2012-03-20 23:12 ` Sascha Hauer
2012-03-20 23:12 ` Sascha Hauer
2012-03-21 1:47 ` Turquette, Mike
2012-03-21 1:47 ` Turquette, Mike
2012-03-21 3:01 ` Saravana Kannan
2012-03-21 3:01 ` Saravana Kannan
2012-03-27 4:35 ` Saravana Kannan
2012-03-27 4:35 ` Saravana Kannan
2012-03-27 18:49 ` Turquette, Mike
2012-03-27 18:49 ` Turquette, Mike
2012-03-27 22:27 ` Saravana Kannan
2012-03-27 22:27 ` Saravana Kannan
2012-04-06 1:30 ` Saravana Kannan
2012-04-06 1:30 ` Saravana Kannan
2012-04-11 17:59 ` Turquette, Mike
2012-04-11 17:59 ` Turquette, Mike
2012-04-11 19:57 ` Saravana Kannan
2012-04-11 19:57 ` Saravana Kannan
2012-04-11 19:57 ` Saravana Kannan
2012-04-11 20:17 ` Turquette, Mike
2012-04-11 20:17 ` Turquette, Mike
2012-04-11 20:21 ` Saravana Kannan
2012-04-11 20:21 ` Saravana Kannan
2012-04-11 20:21 ` Saravana Kannan
2012-03-20 23:47 ` Paul Walmsley
2012-03-20 23:47 ` Paul Walmsley
2012-03-21 9:16 ` Sascha Hauer
2012-03-21 9:16 ` Sascha Hauer
2012-03-20 7:19 ` [PATCH 1/2] clk: Fix error handling in fixed clock hardware type register fn Sascha Hauer
2012-03-20 7:19 ` Sascha Hauer
2012-03-20 7:46 ` Saravana Kannan
2012-03-20 7:46 ` Saravana Kannan
2012-03-20 7:46 ` Saravana Kannan
2012-03-21 0:13 ` Turquette, Mike
2012-03-21 0:13 ` Turquette, Mike
2012-03-21 2:32 ` Saravana Kannan
2012-03-21 2:32 ` Saravana Kannan
2012-03-21 5:45 ` Turquette, Mike
2012-03-21 5:45 ` Turquette, Mike
2012-03-21 6:33 ` Saravana Kannan
2012-03-21 6:33 ` Saravana Kannan
2012-03-21 6:33 ` Saravana Kannan
2012-03-21 9:07 ` Russell King - ARM Linux
2012-03-21 9:07 ` Russell King - ARM Linux
2012-03-21 19:56 ` Turquette, Mike
2012-03-21 19:56 ` Turquette, Mike
2012-03-18 13:46 ` [PATCH v7 2/3] clk: introduce the common clock framework Shawn Guo
2012-03-18 13:46 ` Shawn Guo
2012-03-19 18:58 ` Turquette, Mike
2012-03-19 18:58 ` Turquette, Mike
2012-03-18 14:07 ` Shawn Guo
2012-03-18 14:07 ` Shawn Guo
2012-03-19 19:00 ` Turquette, Mike
2012-03-19 19:00 ` Turquette, Mike
2012-03-19 11:22 ` Rajendra Nayak
2012-03-19 11:22 ` Rajendra Nayak
2012-03-19 11:28 ` Sascha Hauer
2012-03-19 11:28 ` Sascha Hauer
2012-03-19 19:09 ` Turquette, Mike
2012-03-19 19:09 ` Turquette, Mike
2012-03-19 19:53 ` Turquette, Mike
2012-03-19 19:53 ` Turquette, Mike
2012-03-20 14:02 ` Shawn Guo
2012-03-20 14:02 ` Shawn Guo
2012-03-20 17:46 ` Saravana Kannan
2012-03-20 17:46 ` Saravana Kannan
2012-03-20 23:53 ` Turquette, Mike
2012-03-20 23:53 ` Turquette, Mike
2012-03-21 3:10 ` Saravana Kannan
2012-03-21 3:10 ` Saravana Kannan
2012-03-23 21:33 ` Saravana Kannan [this message]
2012-03-23 21:33 ` Saravana Kannan
2012-03-23 21:39 ` Turquette, Mike
2012-03-23 21:39 ` Turquette, Mike
2012-03-23 21:51 ` Saravana Kannan
2012-03-23 21:51 ` Saravana Kannan
2012-03-23 22:12 ` Saravana Kannan
2012-03-23 22:12 ` Saravana Kannan
2012-03-23 22:32 ` Turquette, Mike
2012-03-23 22:32 ` Turquette, Mike
2012-03-23 23:04 ` Saravana Kannan
2012-03-23 23:04 ` Saravana Kannan
2012-03-23 23:28 ` Turquette, Mike
2012-03-23 23:28 ` Turquette, Mike
2012-03-28 3:06 ` Saravana Kannan
2012-03-28 3:06 ` Saravana Kannan
2012-03-28 17:08 ` Turquette, Mike
2012-03-28 17:08 ` Turquette, Mike
2012-03-28 22:25 ` Saravana Kannan
2012-03-28 22:25 ` Saravana Kannan
2012-03-28 23:49 ` Turquette, Mike
2012-03-28 23:49 ` Turquette, Mike
2012-03-20 23:46 ` Turquette, Mike
2012-03-20 23:46 ` Turquette, Mike
2012-03-21 5:46 ` Shawn Guo
2012-03-21 5:46 ` Shawn Guo
2012-03-16 6:11 ` [PATCH v7 3/3] clk: basic clock hardware types Mike Turquette
2012-03-16 6:11 ` Mike Turquette
2012-03-16 12:25 ` Richard Zhao
2012-03-16 12:25 ` Richard Zhao
2012-03-16 16:51 ` Turquette, Mike
2012-03-16 16:51 ` Turquette, Mike
2012-03-16 10:57 ` [PATCH v7 0/3] common clk framework Sascha Hauer
2012-03-16 10:57 ` Sascha Hauer
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