erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Exynos5420: invoke the cooperative threading in udelay

Browse source 
Call thread_yield_microseconds in udelay. This works with and without
COOP_MULTITASKING enabled.

BUG=None
TEST=Build and boot with multitasking on and off, it works.
BRANCH=None

Change-Id: Ib3eab00d1630dc4daada850e7458ab89702d1864
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/66327
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Ronald G. Minnich <rminnich@chromium.org>
Tested-by: Ronald G. Minnich <rminnich@chromium.org>
This commit is contained in:
Ronald G. Minnich 2013-08-18 20:01:07 -07:00 • committed by ChromeBot
commit 12e55ba8a6
1 changed files with 4 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/cpu/samsung/exynos5420/timer.c
View file

@ -20,7 +20,7 @@
#include <console/console.h>
#include <timer.h>
#include <delay.h>
#include <thread.h>
#include "clk.h"
void init_timer(void)
@ -33,6 +33,9 @@ void udelay(unsigned usec)
{
struct mono_time current, end;
if (!thread_yield_microseconds(usec))
return;
timer_monotonic_get(&current);
end = current;
mono_time_add_usecs(&end, usec);