From: Przemyslaw Marczak <p.marczak@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] odroid: set MPLL clock to 880MHz
Date: Fri, 05 Sep 2014 12:50:56 +0200 [thread overview]
Message-ID: <54099590.3020609@samsung.com> (raw)
In-Reply-To: <54095E4B.809@samsung.com>
Hello Minkyu,
On 09/05/2014 08:55 AM, Minkyu Kang wrote:
> On 24/07/14 19:42, Przemyslaw Marczak wrote:
>> This patch changes MPLL from 800MHz to 880MHz on Odroid.
>>
>> Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
>> ---
>> board/samsung/odroid/odroid.c | 60 +++++++++++++++++++++----------------------
>> 1 file changed, 30 insertions(+), 30 deletions(-)
>>
>
> applied to u-boot-samsung.
>
> Thanks,
> Minkyu Kang.
>
>
Thank you for applying the Odroid patch set.
I would like to note, that this one patch was intended for MR. Daniel
just for his tests.
This patch breaks dw mmc performance:
e.g. eMMC uImage(fat) read performance:
- before this commit: 47.6 MiB/s
- after this commit: 13.0 MiB/s
So this requires some more changes in clocks and also in dw mmc driver.
And it can break some kernel clocks divider dependencies.
It is not tested.
So please revert this patch.
Best Regards,
--
Przemyslaw Marczak
Samsung R&D Institute Poland
Samsung Electronics
p.marczak at samsung.com
next prev parent reply other threads:[~2014-09-05 10:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 13:08 [U-Boot] ODROID dynamic memory initialization Daniel Drake
2014-07-23 12:27 ` Daniel Drake
2014-07-23 15:04 ` Przemyslaw Marczak
2014-07-24 10:42 ` [U-Boot] [PATCH] odroid: set MPLL clock to 880MHz Przemyslaw Marczak
2014-07-24 10:58 ` Przemyslaw Marczak
2014-09-05 6:55 ` Minkyu Kang
2014-09-05 10:50 ` Przemyslaw Marczak [this message]
2014-09-11 5:03 ` Minkyu Kang
2014-09-11 5:09 ` Jaehoon Chung
2014-09-11 7:25 ` Lukasz Majewski
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