From: kmpark@infradead.org (Kyungmin Park)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/5] ARM: S3C6410: Support 800MHz operation in cpufreq
Date: Thu, 2 Jun 2011 18:44:54 +0900 [thread overview]
Message-ID: <BANLkTimC=MrmjinzufrnOMSAgiQvVKdWhA@mail.gmail.com> (raw)
In-Reply-To: <039601cc2109$319c9770$94d5c650$@com>
On Thu, Jun 2, 2011 at 6:41 PM, Sangbeom Kim <sbkim73@samsung.com> wrote:
> On Wed, Jun 2, 2011 at 9:11 AM, Mark Brown
>>
>> It's really unfortunate that there's no software visible method I'm
>> aware of :/
> Unfortunately, There is no method to detect 800Mhz s3c6410 by software.
Then how about to introduce the software flags. and set it at each
board. It can support the 800MHz.
Also this flags are handled at cpufreq drivers properly.
How do you think?
>
>
>> I'm not sure it's a particular concern for the 800MHz part above others
>> simply because it's such a universal issue.
> Because Voltage margin(VDD_ARM) of s3c6410 800Mhz is particularly weak.
> Under 667Mhz, There is no issue for dvfs.
>
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
next prev parent reply other threads:[~2011-06-02 9:44 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-01 9:43 [PATCH 0/5] S3C64xx updates Mark Brown
2011-06-01 9:44 ` [PATCH 1/5] CPUFREQ/S3C64xx: Move S3C64xx CPUfreq driver into drivers/cpufreq Mark Brown
2011-06-01 9:44 ` [PATCH 2/5] ARM: SAMSUNG: Add support for pre-sleep/post-restore gpio control Mark Brown
2011-06-01 9:44 ` [PATCH 3/5] ARM: S3C64XX: Ensure VIC based IRQs can be resumed from Mark Brown
2011-06-01 9:44 ` [PATCH 4/5] ARM: S3C6410: Support 800MHz operation in cpufreq Mark Brown
2011-06-01 10:30 ` Sangbeom Kim
2011-06-01 10:40 ` Mark Brown
2011-06-02 0:11 ` Sangbeom Kim
2011-06-02 8:28 ` Mark Brown
2011-06-02 9:41 ` Sangbeom Kim
2011-06-02 9:44 ` Kyungmin Park [this message]
2011-06-02 9:50 ` Jassi Brar
2011-06-02 9:55 ` Vasily Khoruzhick
2011-06-02 9:56 ` Mark Brown
2011-06-02 9:57 ` Kyungmin Park
2011-06-01 9:44 ` [PATCH 5/5] ARM: S3C6410: Add some lower frequencies for 800MHz base clock operation Mark Brown
2011-06-01 9:55 ` [PATCH 1/5] CPUFREQ/S3C64xx: Move S3C64xx CPUfreq driver into drivers/cpufreq Kyungmin Park
2011-06-01 9:58 ` Mark Brown
2011-06-01 16:45 ` Dave Jones
2011-06-07 0:59 ` Dave Jones
2011-06-01 20:00 ` Kukjin Kim
2011-06-01 20:01 ` Mark Brown
2011-06-01 20:30 ` Kukjin Kim
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