From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/5] init/calibrate.c: allow for recalibration of loops per jiffy
Date: Mon, 28 Nov 2011 15:39:00 +0000 [thread overview]
Message-ID: <20111128153900.GA16481@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1322364751-29980-5-git-send-email-jkrzyszt@tis.icnet.pl>
On Sun, Nov 27, 2011 at 04:32:30AM +0100, Janusz Krzysztofik wrote:
> This is required on ARM OMAP1 platform, after DPLL reprogramming has
> been fixed by moving it from setup_arch() to kernel_init().
>
> Created against linux-3.2-rc2.
Why do you need this? If you know what the original CPU clock rate and
bogomips were, and the new CPU clock rate, then you simply scale the
bogomips from the original accordingly. That's what cpufreq does.
You don't have to waste 10s of milliseconds redoing the bogomips
calibration.
next prev parent reply other threads:[~2011-11-28 15:39 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-27 3:32 [PATCH 0/5] ARM: OMAP1: Fix dpll1 reprogramming related issues Janusz Krzysztofik
2011-11-27 3:32 ` [PATCH 1/5] ARM: OMAP1: Fix dpll1 default rate reprogramming method Janusz Krzysztofik
2011-11-28 17:45 ` Tony Lindgren
2011-11-28 22:00 ` [PATCH 2a/5] Remove unsafe clock values from omap1_defconfig Janusz Krzysztofik
2011-11-30 22:32 ` Tony Lindgren
2011-11-30 20:57 ` [PATCH 2a/5 v2] ARM: OMAP1: select clock rate by CPU type Janusz Krzysztofik
2011-11-30 22:28 ` Tony Lindgren
2011-12-01 10:10 ` Janusz Krzysztofik
2011-12-01 18:22 ` Tony Lindgren
2011-12-01 18:54 ` Janusz Krzysztofik
2011-12-01 19:06 ` Tony Lindgren
2011-12-04 12:17 ` [PATCH] ARM: OMAP1: Move dpll1 rates selection from config to runtime Janusz Krzysztofik
2011-12-08 23:13 ` Janusz Krzysztofik
2011-12-09 1:51 ` [PATCH v2] " Janusz Krzysztofik
2011-12-09 2:09 ` Tony Lindgren
2011-12-09 2:31 ` Janusz Krzysztofik
2011-12-09 1:51 ` [PATCH] ARM: OMAP1: Set the omap1623 sram size to 16K Tony Lindgren
[not found] ` <201112010310.43890.jkrzyszt@tis.icnet.pl>
[not found] ` <20111201022750.GY13928@atomide.com>
2011-12-01 9:54 ` [PATCH 2a/5] Remove unsafe clock values from omap1_defconfig Janusz Krzysztofik
2011-12-01 10:21 ` Janusz Krzysztofik
2011-12-01 17:17 ` Tony Lindgren
2011-12-01 18:38 ` Janusz Krzysztofik
2011-12-01 19:04 ` Tony Lindgren
2011-12-01 19:23 ` Janusz Krzysztofik
2011-12-01 19:46 ` Tony Lindgren
2011-12-01 20:30 ` [PATCH] ARM: OMAP1: " Janusz Krzysztofik
2011-12-01 20:13 ` [PATCH 0/2 v2] ARM: OMAP1: Fix dpll1 reprogramming related issues Janusz Krzysztofik
2011-12-01 21:16 ` [PATCH v2] ARM: OMAP1: Update dpll1 default rate reprogramming method Janusz Krzysztofik
2011-12-02 2:09 ` [PATCH 0/2 v2] ARM: OMAP1: Fix dpll1 reprogramming related issues Tony Lindgren
2011-12-02 17:02 ` Janusz Krzysztofik
2011-12-01 20:13 ` [PATCH 1/2 v2] ARM: OMAP1: Fix ckctl value used for dpll1 defualt rate Janusz Krzysztofik
2011-12-01 20:13 ` [PATCH 2/2 v2] ARM: OMAP1: recalculate loops per jiffy after dpll1 reprogram Janusz Krzysztofik
2011-12-04 15:07 ` [PATCH] ARM: OMAP1: Always reprogramme dpll1 rate at boot Janusz Krzysztofik
2011-11-27 3:32 ` [PATCH 2/5] ARM: OMAP1: Fix ckctl value used for dpll1 defualt rate Janusz Krzysztofik
2011-11-27 3:32 ` [PATCH 3/5] ARM: OMAP1: Fix dpll1 reprogramming not actually allowed Janusz Krzysztofik
2011-11-28 17:46 ` Tony Lindgren
2011-11-27 3:32 ` [PATCH 4/5] init/calibrate.c: allow for recalibration of loops per jiffy Janusz Krzysztofik
2011-11-28 15:39 ` Russell King - ARM Linux [this message]
2011-11-28 22:30 ` Janusz Krzysztofik
2011-11-27 3:32 ` [PATCH 5/5] ARM: OMAP1: recalibrate loops per jiffy after dpll1 reprogram Janusz Krzysztofik
2011-11-29 0:25 ` [PATCH 5/5 v2] ARM: OMAP1: recalculate " Janusz Krzysztofik
2011-12-09 8:42 ` Russell King - ARM Linux
2011-12-09 10:00 ` Janusz Krzysztofik
2011-12-09 10:09 ` Janusz Krzysztofik
2011-12-10 0:25 ` Russell King - ARM Linux
2011-12-10 12:04 ` Janusz Krzysztofik
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