[U-Boot] [PATCH v1] sunxi: improve throughput in the sunxi_mmc driver

[Maxime Ripard]

On Tue, Feb 21, 2017 at 07:34:40PM +0100, Dr. Philipp Tomsich wrote:
> 
> > On 21 Feb 2017, at 19:11, Dr. Philipp Tomsich <philipp.tomsich at theobroma-systems.com> wrote:
> > 
> > We’ve never seen performance problems on Linux and benchmarked at
> > up to ~50MByte/s on the A31-uQ7.
> 
> I dug into our disti training slides from early 2015—looks like the throughput
> number (sustained) for the eMMC was 12MB/s on write and 40MB/s on read
> when using our standard part (at that time), which was a SDIN7DP2-4G.

I was getting around 60MB/s on an A64 with an HS200 eMMC, which is
quite good but left me the feeling that it could be better. But it was
just a feeling :)

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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