From: jeremy.kerr@canonical.com (Jeremy Kerr)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] clk: Generic support for fixed-rate clocks
Date: Tue, 22 Feb 2011 07:29:11 +0800 [thread overview]
Message-ID: <201102220729.13708.jeremy.kerr@canonical.com> (raw)
In-Reply-To: <4D62C237.1020803@bluewatersys.com>
Hi Ryan,
> If we never need to dynamically create fixed clocks (which seems
> unlikely) then rate can be const.
There's been a few cases where I've needed to set the rate of a fixed clock
during boot - for example when a clock rate varies between boards, it may be
defined in a platform-wide file, but have the rate modified early (ie,
clk_foo.rate = 32678) in a board file.
Also, if we're parsing clocks from the device tree (or any other discovery
mechanism), we'll need to modify rate.
Cheers,
Jeremy
next prev parent reply other threads:[~2011-02-21 23:29 UTC|newest]
Thread overview: 139+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-01 9:11 Locking in the clk API, part 2: clk_prepare/clk_unprepare Jeremy Kerr
2011-02-01 10:54 ` Uwe Kleine-König
2011-02-01 13:05 ` Jassi Brar
2011-02-01 14:00 ` Uwe Kleine-König
2011-02-01 15:14 ` Russell King - ARM Linux
2011-02-01 15:22 ` Uwe Kleine-König
2011-02-01 15:28 ` Russell King - ARM Linux
2011-02-01 20:57 ` Saravana Kannan
2011-02-02 2:31 ` Jassi Brar
2011-02-01 13:15 ` Russell King - ARM Linux
2011-02-01 14:18 ` Uwe Kleine-König
2011-02-01 14:39 ` Russell King - ARM Linux
2011-02-01 15:18 ` Uwe Kleine-König
2011-02-01 15:24 ` Russell King - ARM Linux
2011-02-01 15:53 ` Uwe Kleine-König
2011-02-01 17:06 ` Russell King - ARM Linux
2011-02-01 19:32 ` Uwe Kleine-König
2011-02-01 19:56 ` Russell King - ARM Linux
2011-02-01 20:21 ` Saravana Kannan
2011-02-01 20:43 ` Uwe Kleine-König
2011-02-04 9:33 ` Richard Zhao
2011-02-01 20:06 ` Nicolas Pitre
2011-02-01 20:33 ` Saravana Kannan
2011-02-01 20:36 ` Russell King - ARM Linux
2011-02-01 20:59 ` Stephen Boyd
2011-02-01 21:24 ` Russell King - ARM Linux
2011-02-04 9:54 ` Richard Zhao
2011-02-04 10:21 ` Uwe Kleine-König
2011-02-04 10:57 ` Russell King - ARM Linux
2011-02-04 10:48 ` Russell King - ARM Linux
2011-02-04 11:04 ` Jassi Brar
2011-02-04 11:18 ` Russell King - ARM Linux
2011-02-04 11:51 ` Jassi Brar
2011-02-04 12:05 ` Russell King - ARM Linux
2011-02-01 14:40 ` Jeremy Kerr
2011-02-04 12:45 ` Richard Zhao
2011-02-04 13:20 ` Russell King - ARM Linux
2011-02-07 6:07 ` [RFC,PATCH 1/3] Add a common struct clk Jeremy Kerr
2011-02-07 7:05 ` Uwe Kleine-König
2011-02-07 8:08 ` Uwe Kleine-König
2011-02-07 8:21 ` Dima Zavin
2011-02-07 8:22 ` Jeremy Kerr
2011-02-07 19:59 ` Colin Cross
2011-02-08 1:40 ` Jeremy Kerr
2011-02-07 20:20 ` Ryan Mallon
2011-02-08 2:54 ` Jeremy Kerr
2011-02-08 3:30 ` Ryan Mallon
2011-02-08 7:28 ` Jeremy Kerr
2011-02-07 6:07 ` [RFC, PATCH 3/3] clk: add warnings for incorrect enable/prepare semantics Jeremy Kerr
2011-02-07 6:29 ` Jassi Brar
2011-02-07 7:00 ` Jeremy Kerr
2011-02-07 8:05 ` Uwe Kleine-König
2011-02-07 8:08 ` Jeremy Kerr
2011-02-07 14:24 ` Nicolas Pitre
2011-02-10 4:26 ` Saravana Kannan
2011-02-07 6:07 ` [RFC,PATCH 2/3] clk: Generic support for fixed-rate clocks Jeremy Kerr
2011-02-07 6:07 ` [RFC,PATCH 0/3] Common struct clk implementation, v11 Jeremy Kerr
2011-02-09 6:41 ` [RFC,PATCH 0/3] Common struct clk implementation, v12 Jeremy Kerr
2011-02-09 6:41 ` [RFC, PATCH 3/3] clk: add warnings for incorrect enable/prepare semantics Jeremy Kerr
2011-02-10 9:37 ` Richard Zhao
2011-02-15 2:00 ` Jeremy Kerr
2011-02-09 6:41 ` [RFC,PATCH 2/3] clk: Generic support for fixed-rate clocks Jeremy Kerr
2011-02-09 6:58 ` Fabio Giovagnini
2011-02-10 23:23 ` Ryan Mallon
2011-02-15 1:41 ` Jeremy Kerr
2011-02-15 4:51 ` Saravana Kannan
2011-02-15 6:18 ` Jeremy Kerr
2011-02-15 6:31 ` Saravana Kannan
2011-02-09 6:41 ` [RFC,PATCH 1/3] Add a common struct clk Jeremy Kerr
2011-02-09 9:00 ` Uwe Kleine-König
2011-02-09 20:21 ` Ryan Mallon
2011-02-09 20:39 ` Uwe Kleine-König
2011-02-09 20:42 ` Ryan Mallon
2011-02-10 10:03 ` Richard Zhao
2011-02-10 10:10 ` Ryan Mallon
2011-02-10 12:45 ` Richard Zhao
2011-02-10 10:46 ` Uwe Kleine-König
2011-02-10 13:08 ` Richard Zhao
2011-02-10 13:13 ` Russell King - ARM Linux
2011-02-15 1:36 ` Jeremy Kerr
2011-02-15 1:43 ` Ryan Mallon
2011-02-10 5:16 ` Saravana Kannan
2011-02-15 2:41 ` Jeremy Kerr
2011-02-15 5:33 ` Saravana Kannan
2011-02-15 7:26 ` Jeremy Kerr
2011-02-15 8:33 ` Saravana Kannan
2011-02-15 8:37 ` Russell King - ARM Linux
2011-02-15 9:33 ` Jeremy Kerr
2011-02-15 14:13 ` Richard Zhao
2011-02-20 13:07 ` Russell King - ARM Linux
2011-02-16 4:53 ` Saravana Kannan
2011-02-20 13:13 ` Russell King - ARM Linux
2011-02-21 2:50 ` [PATCH 0/2] Common struct clk implementation, v13 Jeremy Kerr
2011-02-21 2:50 ` [PATCH 1/2] Add a common struct clk Jeremy Kerr
2011-02-22 20:17 ` Uwe Kleine-König
2011-02-23 2:49 ` Jeremy Kerr
2011-02-21 2:50 ` [PATCH 2/2] clk: Generic support for fixed-rate clocks Jeremy Kerr
2011-02-21 19:51 ` Ryan Mallon
2011-02-21 23:29 ` Jeremy Kerr [this message]
2011-02-22 23:33 ` [PATCH] wip: convert imx27 to common struct clk Uwe Kleine-König
2011-02-23 4:17 ` Saravana Kannan
2011-02-23 8:15 ` Uwe Kleine-König
2011-03-03 6:40 ` [PATCH 0/2] Common struct clk implementation, v14 Jeremy Kerr
2011-03-03 6:40 ` [PATCH 1/2] Add a common struct clk Jeremy Kerr
2011-04-14 12:49 ` Tony Lindgren
2011-03-03 6:40 ` [PATCH 2/2] clk: Generic support for fixed-rate clocks Jeremy Kerr
2011-03-14 10:16 ` [PATCH 0/2] Common struct clk implementation, v14 Uwe Kleine-König
2011-03-15 4:31 ` Jeremy Kerr
2011-03-21 2:33 ` Jeremy Kerr
2011-04-14 4:20 ` Jeremy Kerr
2011-04-14 10:00 ` Russell King - ARM Linux
2011-04-14 10:23 ` Jeremy Kerr
2011-04-14 10:26 ` Russell King - ARM Linux
2011-04-14 10:25 ` Benjamin Herrenschmidt
2011-04-14 10:32 ` Russell King - ARM Linux
2011-04-14 11:59 ` Nicolas Pitre
2011-04-14 12:09 ` Russell King - ARM Linux
2011-04-14 13:39 ` Nicolas Pitre
2011-04-14 14:00 ` Mark Brown
2011-04-14 15:38 ` Russell King - ARM Linux
2011-04-14 16:06 ` Nicolas Pitre
2011-04-14 17:20 ` Uwe Kleine-König
2011-04-18 10:54 ` Paul Mundt
2011-04-20 14:28 ` Uwe Kleine-König
2011-04-20 16:41 ` Thomas Gleixner
2011-04-20 21:30 ` Paul McKenney
2011-04-14 19:29 ` Saravana Kannan
2011-04-14 16:08 ` Uwe Kleine-König
-- strict thread matches above, loose matches on Subject: below --
2011-01-05 3:51 [PATCH 0/2] Common struct clk implementation, v10 Jeremy Kerr
2011-01-05 3:51 ` [PATCH 2/2] clk: Generic support for fixed-rate clocks Jeremy Kerr
2011-01-05 3:18 [PATCH 0/2] Common struct clk implementation, v10 Jeremy Kerr
2011-01-05 3:18 ` [PATCH 2/2] clk: Generic support for fixed-rate clocks Jeremy Kerr
2010-12-08 2:08 [PATCH 0/2] Common struct clk implementation, v8 Jeremy Kerr
2010-12-08 2:08 ` [PATCH 2/2] clk: Generic support for fixed-rate clocks Jeremy Kerr
2010-12-13 12:14 ` Sascha Hauer
2010-12-13 12:35 ` Jeremy Kerr
2010-12-13 12:42 ` Sascha Hauer
2010-12-08 2:05 [PATCH 1/2] Add a common struct clk Jeremy Kerr
2010-12-08 2:05 ` [PATCH 2/2] clk: Generic support for fixed-rate clocks Jeremy Kerr
2010-07-12 2:37 [PATCH 0/2] Common struct clk implementation, v6 Jeremy Kerr
2010-07-12 2:37 ` [PATCH 2/2] clk: Generic support for fixed-rate clocks Jeremy Kerr
2010-06-21 5:35 [PATCH 0/2] Common struct clk implementation, v5 Jeremy Kerr
2010-06-21 5:35 ` [PATCH 2/2] clk: Generic support for fixed-rate clocks Jeremy Kerr
2010-06-21 20:43 ` Ryan Mallon
2010-06-22 1:05 ` Jeremy Kerr
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