From mboxrd@z Thu Jan 1 00:00:00 1970 From: Minkyu Kang Date: Thu, 11 Sep 2014 14:03:02 +0900 Subject: [U-Boot] [PATCH] odroid: set MPLL clock to 880MHz In-Reply-To: <54099590.3020609@samsung.com> References: <53CFCEFD.5040603@samsung.com> <1406198521-2989-1-git-send-email-p.marczak@samsung.com> <54095E4B.809@samsung.com> <54099590.3020609@samsung.com> Message-ID: <54112D06.6050401@samsung.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 05/09/14 19:50, Przemyslaw Marczak wrote: > 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 >>> --- >>> 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, reverted.. Thanks, Minkyu Kang.