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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.

  reply	other threads:[~2012-03-23 21:33 UTC|newest]

Thread overview: 106+ 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 ` [PATCH v7 1/3] Documentation: common clk API Mike Turquette
2012-03-16  8:25   ` Linus Walleij
2012-03-16 10:29     ` Thomas Gleixner
2012-03-16 11:14       ` Amit Kucheria
2012-03-16 12:18         ` Arnd Bergmann
2012-03-16 20:57           ` Arnd Bergmann
2012-03-16 21:40             ` Turquette, Mike
2012-03-16 21:50             ` Nicolas Pitre
2012-03-16 22:21             ` Paul Walmsley
2012-03-16 22:33               ` Turquette, Mike
2012-03-17  9:05                 ` Arnd Bergmann
2012-03-17 18:02                   ` Turquette, Mike
2012-03-17 18:33                     ` Arnd Bergmann
2012-03-17 20:29                     ` Sascha Hauer
2012-03-17 21:13                       ` Arnd Bergmann
2012-03-20 23:40                   ` Paul Walmsley
2012-03-21  8:59                     ` Arnd Bergmann
2012-03-16 23:47               ` Sascha Hauer
2012-03-17  0:54                 ` Rob Herring
2012-03-17  3:38                   ` Saravana Kannan
2012-03-20 23:31                 ` Paul Walmsley
2012-03-21  3:15                   ` Nicolas Pitre
2012-03-21  3:26                     ` Saravana Kannan
2012-03-21  7:44                       ` Paul Walmsley
2012-03-21  9:10                         ` Sascha Hauer
2012-03-21 18:38                         ` Saravana Kannan
2012-03-21 19:07                           ` Mark Brown
2012-03-21 19:33                             ` Tony Lindgren
2012-03-21 19:41                               ` Saravana Kannan
2012-03-21 19:56                                 ` Mark Brown
2012-03-21 20:04                                   ` Saravana Kannan
2012-03-21 20:10                                     ` Mark Brown
2012-03-22  0:42                                 ` Russell King - ARM Linux
2012-03-21  7:30                     ` Paul Walmsley
2012-03-21 13:23                       ` Nicolas Pitre
2012-03-16  6:11 ` [PATCH v7 2/3] clk: introduce the common clock framework Mike Turquette
2012-03-17  3:28   ` Saravana Kannan
2012-03-19 18:56     ` Turquette, Mike
2012-03-19 19:13       ` Saravana Kannan
2012-03-19 19:33         ` Turquette, Mike
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             ` [PATCH 2/2] clk: Move init fields from clk to clk_hw Saravana Kannan
2012-03-20  7:20               ` Shawn Guo
2012-03-20  7:54                 ` Saravana Kannan
2012-03-20  8:13                   ` Shawn Guo
2012-03-20  9:40                   ` Sascha Hauer
2012-03-20 10:17                     ` Saravana Kannan
2012-03-20 18:14                       ` Sascha Hauer
2012-03-20 20:14                         ` Saravana Kannan
2012-03-20 22:40                           ` Sascha Hauer
2012-03-22  3:23                             ` Shawn Guo
2012-03-20 14:18                     ` Shawn Guo
2012-03-20 18:10                       ` Sascha Hauer
2012-03-20 20:06                         ` Saravana Kannan
2012-03-20 23:12                           ` Sascha Hauer
2012-03-21  1:47                             ` Turquette, Mike
2012-03-21  3:01                               ` Saravana Kannan
2012-03-27  4:35                                 ` Saravana Kannan
2012-03-27 18:49                                   ` Turquette, Mike
2012-03-27 22:27                                     ` Saravana Kannan
2012-04-06  1:30                                     ` Saravana Kannan
2012-04-11 17:59                                       ` Turquette, Mike
2012-04-11 19:57                                         ` Saravana Kannan
2012-04-11 20:17                                           ` Turquette, Mike
2012-04-11 20:21                                             ` Saravana Kannan
2012-03-20 23:47                         ` Paul Walmsley
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  7:46               ` Saravana Kannan
2012-03-21  0:13                 ` Turquette, Mike
2012-03-21  2:32                   ` Saravana Kannan
2012-03-21  5:45                     ` Turquette, Mike
2012-03-21  6:33                       ` Saravana Kannan
2012-03-21  9:07                       ` Russell King - ARM Linux
2012-03-21 19:56                         ` Turquette, Mike
2012-03-18 13:46   ` [PATCH v7 2/3] clk: introduce the common clock framework Shawn Guo
2012-03-19 18:58     ` Turquette, Mike
2012-03-18 14:07   ` Shawn Guo
2012-03-19 19:00     ` Turquette, Mike
2012-03-19 11:22   ` Rajendra Nayak
2012-03-19 11:28     ` Sascha Hauer
2012-03-19 19:09       ` Turquette, Mike
2012-03-19 19:53     ` Turquette, Mike
2012-03-20 14:02   ` Shawn Guo
2012-03-20 17:46     ` Saravana Kannan
2012-03-20 23:53       ` Turquette, Mike
2012-03-21  3:10         ` Saravana Kannan
2012-03-23 21:33           ` Saravana Kannan [this message]
2012-03-23 21:39             ` Turquette, Mike
2012-03-23 21:51               ` Saravana Kannan
2012-03-23 22:12               ` Saravana Kannan
2012-03-23 22:32                 ` Turquette, Mike
2012-03-23 23:04                   ` Saravana Kannan
2012-03-23 23:28                     ` Turquette, Mike
2012-03-28  3:06                       ` Saravana Kannan
2012-03-28 17:08                         ` Turquette, Mike
2012-03-28 22:25                           ` Saravana Kannan
2012-03-28 23:49                             ` Turquette, Mike
2012-03-20 23:46     ` Turquette, Mike
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 12:25   ` Richard Zhao
2012-03-16 16:51     ` Turquette, Mike
2012-03-16 10:57 ` [PATCH v7 0/3] common clk framework Sascha Hauer

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