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(parent: 8988667) | patch
ramips: improve rt2880 spi wait ready function
authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Sun, 22 Nov 2015 11:48:34 +0000 (11:48 +0000)
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Sun, 22 Nov 2015 11:48:34 +0000 (11:48 +0000)
commitf4ec728160a5285ea1d20813288847ec8914a9a7
treef896f6e276099d859df02d4acd33868e1bf314fftree | snapshot
parent898866756df2d86b5738bf372308454a8057caffcommit | diff
ramips: improve rt2880 spi wait ready function

use loops_per_jiffy, spi clock speed and write bytes to get the
spi loop count. if loop to 0 than spi operation timeout.
remove usleep. we only write 1 byte to spi device. use busy loop
would be better.

Signed-off-by: Michael Lee <igvtee@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47575 3c298f89-4303-0410-b956-a3cf2f4a3e73
target/linux/ramips/patches-3.18/0050-SPI-ralink-add-Ralink-SoC-spi-driver.patch diff | blob | history
OpenWrt main development branch