[PATCH v2 3/3] ARM: shmobile: gose: Add QSPI device to DT

Geert Uytterhoeven geert at linux-m68k.org
Thu Nov 12 02:44:15 PST 2015

Hi Simon,

On Thu, Nov 12, 2015 at 2:29 AM, Simon Horman
<horms+renesas at verge.net.au> wrote:
> Enable the QSPI controller in the gose device tree.
> Based similar work for the silk board by by Vladimir Barinov and
> Sergei Shtylyov.
> Cc: Vladimir Barinov <vladimir.barinov at cogentembedded.com>
> Cc: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
> Signed-off-by: Simon Horman <horms+renesas at verge.net.au>

Acked-by: Geert Uytterhoeven <geert+renesas at glider.be>

> ---
> Tested: Read /dev/mtd0 with 512K blocks at 1.7MB/s

That's slow: I get 6.7 MB/s on koelsch (69.9 Mbps for Quad Read according
to my in-kernel QSPI debug code). Is this with SYS-DMAC enabled?



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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