[U-Boot] [PATCH v3 0/6] ARM: kirkwood: mvebu_mmc: Speed up access time

[drEagle]

Hi,

Any chance to be included in the next release of u-boot ?

Regards,
Gérald

Le 15/12/2014 12:14, Mario Schuknecht a écrit :
> 
> 2014-12-13 21:35 GMT+01:00 Gérald Kerma <drEagle at doukki.net <mailto:drEagle at doukki.net>>:
> 
> 
>     This serie of patches speed up access time of MVEBUMMC driver
> 
>     This is allowed by a fix in MVEBUMMC init status check inspired from linux MVSDIO driver.
>              * Hardware weirdness.  The FIFO_EMPTY bit of the HW_STATE
>              * register is sometimes not set before a while when some
>              * "unusual" data block sizes are used (such as with the SWITCH
>              * command), even despite the fact that the XFER_DONE interrupt
>              * was raised.  And if another data transfer starts before
>              * this bit comes to good sense (which eventually happens by
>              * itself) then the new transfer simply fails with a timeout.
> 
>     It allows about 10x to 40x faster access time transfer on SHEEVAPLUG MMC
>     It may also fixes some SD types incompatibilities
> 
>     ### before patch
> 
>     Marvell>> ext2load mmc 0:1 0x800000 uImage
>     1613392 bytes read in 977 ms (1.6 MiB/s)
> 
>     ### with fix
> 
>     Marvell>> ext2load mmc 0:1 0x800000 uImage
>     1613392 bytes read in 83 ms (18.5 MiB/s)
> 
> 
> 
> Looks good to me.
> ACK to this series of patches:
>  
> 
>     Gérald Kerma (6):
>       MVEBUMMC : Change copyright date
>       MVEBUMMC : Speed up access time
>       MVEBUMMC : FIX debug strings
>       MVEBUMMC : REMOVE unnecessary delays
>       MVEBUMMC : CLEAN code
>       MVEBUMMC : REMOVE unnecessary delay from init
> 
> 
>      drivers/mmc/mvebu_mmc.c | 103 ++++++++++++++++++++++++++++--------------------
>      include/mvebu_mmc.h     |   1 +
>      2 files changed, 61 insertions(+), 43 deletions(-)
> 
>     --
>     2.1.3
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