[OpenWrt-Devel] [PATCH 6/7] ramips: improve mt7621 spi flash read speed
nbd at openwrt.org
Tue Sep 22 09:48:55 EDT 2015
On 2015-09-22 15:26, Michael Lee wrote:
> From: michael lee <igvtee at gmail.com>
> only support spi flash command (half duplex).
> no need chunk io patch. done by driver.
> test results on mt7621. use dd read bs=512 with 32128 records
> old driver : 30.52s
> new driver : 34.31s
> new driver + no chunk io : 16.65s
> new driver + no chunk io + fast read clock from 10Mhz to 50Mhz : 5.00s
Where does the performance gain without the clock change come from?
openwrt-devel mailing list
openwrt-devel at lists.openwrt.org
More information about the openwrt-devel