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| author | Ronald G. Minnich <rminnich@gmail.com> | 2013-08-18 20:01:07 -0700 |
|---|---|---|
| committer | Isaac Christensen <isaac.christensen@se-eng.com> | 2014-08-07 23:04:28 +0200 |
| commit | e10ef42a55705530f54e1f04bc25b21aeda5693a (patch) | |
| tree | 96712d32115a8dc34e99adc8302173b657edb63a | |
| parent | ca63027ef7627ba60f6776f2c9bd373cdb2afbb0 (diff) | |
| download | coreboot-e10ef42a55705530f54e1f04bc25b21aeda5693a.tar.xz | |
Exynos5420: invoke the cooperative threading in udelay
Call thread_yield_microseconds in udelay. This works with and without
COOP_MULTITASKING enabled.
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>
(cherry picked from commit 12e55ba8a68e5d40e08ad169848bdf274887ce0b)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6510
Tested-by: build bot (Jenkins)
| -rw-r--r-- | src/cpu/samsung/exynos5420/timer.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cpu/samsung/exynos5420/timer.c b/src/cpu/samsung/exynos5420/timer.c index 88e1f3e489..f8d3110000 100644 --- a/src/cpu/samsung/exynos5420/timer.c +++ b/src/cpu/samsung/exynos5420/timer.c @@ -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(¤t); end = current; mono_time_add_usecs(&end, usec); |