Fixes spurious timeouts which have seen during testing SPI driver.
Timeouts disappear when number of bits are reduced to 10.
Timer tiny backward jumps causes spurious timeouts.
Signed-off-by: Oskari Lemmela <osk...@lemmela.net>
---
arch/arm/cpu/armv8/generic_timer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv8/generic_timer.c
b/arch/arm/cpu/armv8/generic_timer.c
index c1706dcec1..2e06ee4ed2 100644
--- a/arch/arm/cpu/armv8/generic_timer.c
+++ b/arch/arm/cpu/armv8/generic_timer.c
@@ -66,7 +66,7 @@ unsigned long timer_read_counter(void)
isb();
do {
asm volatile("mrs %0, cntpct_el0" : "=r" (cntpct));
- } while (((cntpct + 1) & GENMASK(10, 0)) <= 1);
+ } while (((cntpct + 1) & GENMASK(9, 0)) <= 1);
return cntpct;
}
--
2.17.1
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