[U-Boot] [U-Boot,v3,1/2] Optimized nand_read_buf for kirkwood

[Scott Wood]

On Wed, Jun 26, 2013 at 08:25:25PM +0200, Phil Sutter wrote:
> The basic idea is taken from the linux-kernel, but further optimized.
> 
> First align the buffer to 8 bytes, then use ldrd/strd to read and store
> in 8 byte quantities, then do the final bytes.
> 
> Tested using: 'date ; nand read.raw 0xE00000 0x0 0x10000 ; date'.
> Without this patch, NAND read of 132MB took 49s (~2.69MB/s). With this
> patch in place, reading the same amount of data was done in 27s
> (~4.89MB/s). So read performance is increased by ~80%!
> 
> Signed-off-by: Nico Erfurth <ne at erfurth.eu>
> Tested-by: Phil Sutter <phil.sutter at viprinet.com>
> Cc: Prafulla Wadaskar <prafulla at marvell.com>

Missing your signoff, and if Nico was the main author then there should
be a From: line indicating that.

-Scott