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-rw-r--r--drivers/clocksource/mmio.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/clocksource/mmio.c b/drivers/clocksource/mmio.c
index 19a6b3f4d9cf..1593ade2a815 100644
--- a/drivers/clocksource/mmio.c
+++ b/drivers/clocksource/mmio.c
@@ -27,7 +27,7 @@ cycle_t clocksource_mmio_readl_up(struct clocksource *c)
cycle_t clocksource_mmio_readl_down(struct clocksource *c)
{
- return ~(cycle_t)readl_relaxed(to_mmio_clksrc(c)->reg);
+ return ~(cycle_t)readl_relaxed(to_mmio_clksrc(c)->reg) & c->mask;
}
cycle_t clocksource_mmio_readw_up(struct clocksource *c)
@@ -37,7 +37,7 @@ cycle_t clocksource_mmio_readw_up(struct clocksource *c)
cycle_t clocksource_mmio_readw_down(struct clocksource *c)
{
- return ~(cycle_t)readw_relaxed(to_mmio_clksrc(c)->reg);
+ return ~(cycle_t)readw_relaxed(to_mmio_clksrc(c)->reg) & c->mask;
}
/**
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