From: rnayak@ti•com (Rajendra Nayak)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCHv4 2/8] ARM: OMAP3+: voltage/pwrdm/clkdm/clock add recursive usecount tracking
Date: Mon, 16 Jul 2012 15:45:14 +0530 [thread overview]
Message-ID: <5003E9B2.8060504@ti.com> (raw)
In-Reply-To: <1342189185-5306-3-git-send-email-t-kristo@ti.com>
On Friday 13 July 2012 07:49 PM, Tero Kristo wrote:
> This patch fixes the usecount tracking for omap3+, previously the
> usecount numbers were rather bogus and were not really useful for
> any purpose. Now usecount numbers track the number of really active
> clients on each domain. This patch also adds support for usecount
> tracking on powerdomain level and autoidle flag for clocks that
> are hardware controlled and should be skipped in usecount
> calculations.
>
> Signed-off-by: Tero Kristo<t-kristo@ti•com>
> Cc: Paul Walmsley<paul@pwsan•com>
> Cc: Kevin Hilman<khilman@ti•com>
Reviewed by: Rajendra Nayak <rnayak@ti•com>
> ---
> arch/arm/mach-omap2/clkt_iclk.c | 21 +++++++++++
> arch/arm/mach-omap2/clockdomain.c | 59 +++++++++++++++++++++++++++++-
> arch/arm/mach-omap2/clockdomain.h | 2 +
> arch/arm/mach-omap2/dpll3xxx.c | 19 ++++++++++
> arch/arm/mach-omap2/powerdomain.c | 35 ++++++++++++++++++
> arch/arm/mach-omap2/powerdomain.h | 5 +++
> arch/arm/plat-omap/clock.c | 6 +++
> arch/arm/plat-omap/include/plat/clock.h | 2 +
> 8 files changed, 147 insertions(+), 2 deletions(-)
>
>
> list_add(&clk->node,&clocks);
> + /*
> + * If clock has no ops, it is handled by hardware and thus will
> + * idle automatically
> + */
> + if (clk->ops ==&clkops_null)
> + clk->autoidle = true;
I was a little skeptical about this when I first saw it. But I am
sure you would have thought through :)
next prev parent reply other threads:[~2012-07-16 10:15 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-13 14:19 [PATCHv4 0/8] ARM: OMAP: pm: usecounting changes Tero Kristo
2012-07-13 14:19 ` [PATCHv4 1/8] ARM: OMAP: clk: add support for omap_clk_for_each Tero Kristo
2012-07-16 10:04 ` Rajendra Nayak
2012-07-16 11:42 ` Tero Kristo
2012-07-13 14:19 ` [PATCHv4 2/8] ARM: OMAP3+: voltage/pwrdm/clkdm/clock add recursive usecount tracking Tero Kristo
2012-07-16 10:15 ` Rajendra Nayak [this message]
2012-07-27 19:14 ` Kevin Hilman
2012-08-06 23:31 ` Kevin Hilman
2012-09-07 9:23 ` Tero Kristo
2012-07-13 14:19 ` [PATCHv4 3/8] ARM: OMAP3+: voltage: add support for voltagedomain usecounts Tero Kristo
2012-07-16 10:23 ` Rajendra Nayak
2012-07-24 20:58 ` Vishwanath Sripathy
2012-07-25 8:07 ` Tero Kristo
2012-07-13 14:19 ` [PATCHv4 4/8] ARM: OMAP3: add manual control for mpu / core pwrdm usecounting Tero Kristo
2012-07-16 10:30 ` Rajendra Nayak
2012-07-27 19:36 ` Kevin Hilman
2012-07-30 8:40 ` Tero Kristo
2012-08-06 10:14 ` Jean Pihet
2012-09-07 9:30 ` Tero Kristo
2012-09-07 21:48 ` Kevin Hilman
2012-08-06 23:32 ` Kevin Hilman
2012-07-13 14:19 ` [PATCHv4 5/8] ARM: OMAP3: set autoidle flag for sdrc_ick Tero Kristo
2012-07-16 10:39 ` Rajendra Nayak
2012-07-13 14:19 ` [PATCHv4 6/8] ARM: OMAP: pm-debug: enhanced usecount debug support Tero Kristo
2012-07-16 10:50 ` Rajendra Nayak
2012-07-16 11:45 ` Tero Kristo
2012-07-16 12:14 ` Rajendra Nayak
2012-07-27 19:55 ` Kevin Hilman
2012-07-30 8:36 ` Tero Kristo
2012-07-13 14:19 ` [PATCHv4 7/8] ARM: OMAP: clockdomain: add support for preventing autodep delete Tero Kristo
2012-07-16 11:00 ` Rajendra Nayak
2012-07-17 14:56 ` Tero Kristo
2012-07-17 21:31 ` Paul Walmsley
2012-07-18 7:15 ` Rajendra Nayak
2012-07-18 8:05 ` Tero Kristo
2012-07-18 9:04 ` Rajendra Nayak
2012-07-18 9:16 ` Tero Kristo
2012-07-27 20:12 ` Kevin Hilman
2012-07-13 14:19 ` [PATCHv4 8/8] ARM: OMAP3: do not delete per_clkdm autodeps during idle Tero Kristo
2012-09-18 22:25 ` Paul Walmsley
2012-09-18 22:43 ` Paul Walmsley
2012-09-19 22:15 ` Kevin Hilman
2012-10-16 7:29 ` Paul Walmsley
2012-10-17 0:39 ` Kevin Hilman
2012-10-31 11:59 ` Tero Kristo
2012-09-19 9:06 ` Tero Kristo
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