Messages in this thread Patch in this message | | | From | Xiubo Li <> | Subject | [PATCH] clocksource: Add BE/LE APIs support for clocksource counter reading. | Date | Wed, 10 Sep 2014 17:20:19 +0800 |
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Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> --- drivers/clocksource/mmio.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+)
diff --git a/drivers/clocksource/mmio.c b/drivers/clocksource/mmio.c index 1593ade..ddc5214 100644 --- a/drivers/clocksource/mmio.c +++ b/drivers/clocksource/mmio.c @@ -20,21 +20,65 @@ static inline struct clocksource_mmio *to_mmio_clksrc(struct clocksource *c) return container_of(c, struct clocksource_mmio, clksrc); } +cycle_t clocksource_mmio_readl_up_be(struct clocksource *c) +{ + return (cycle_t)be32_to_cpu(readl_relaxed(to_mmio_clksrc(c)->reg)); +} + +cycle_t clocksource_mmio_readl_up_le(struct clocksource *c) +{ + return (cycle_t)le32_to_cpu(readl_relaxed(to_mmio_clksrc(c)->reg)); +} + cycle_t clocksource_mmio_readl_up(struct clocksource *c) { return (cycle_t)readl_relaxed(to_mmio_clksrc(c)->reg); } +cycle_t clocksource_mmio_readl_down_be(struct clocksource *c) +{ + return ~(cycle_t)be32_to_cpu(readl_relaxed(to_mmio_clksrc(c)->reg)) + & c->mask; +} + +cycle_t clocksource_mmio_readl_down_le(struct clocksource *c) +{ + return ~(cycle_t)le32_to_cpu(readl_relaxed(to_mmio_clksrc(c)->reg)) + & c->mask; +} + cycle_t clocksource_mmio_readl_down(struct clocksource *c) { return ~(cycle_t)readl_relaxed(to_mmio_clksrc(c)->reg) & c->mask; } +cycle_t clocksource_mmio_readw_up_be(struct clocksource *c) +{ + return (cycle_t)be16_to_cpu(readw_relaxed(to_mmio_clksrc(c)->reg)); +} + +cycle_t clocksource_mmio_readw_up_le(struct clocksource *c) +{ + return (cycle_t)le16_to_cpu(readw_relaxed(to_mmio_clksrc(c)->reg)); +} + cycle_t clocksource_mmio_readw_up(struct clocksource *c) { return (cycle_t)readw_relaxed(to_mmio_clksrc(c)->reg); } +cycle_t clocksource_mmio_readw_down_be(struct clocksource *c) +{ + return ~(cycle_t)be16_to_cpu(readw_relaxed(to_mmio_clksrc(c)->reg)) + & c->mask; +} + +cycle_t clocksource_mmio_readw_down_le(struct clocksource *c) +{ + return ~(cycle_t)le16_to_cpu(readw_relaxed(to_mmio_clksrc(c)->reg)) + & c->mask; +} + cycle_t clocksource_mmio_readw_down(struct clocksource *c) { return ~(cycle_t)readw_relaxed(to_mmio_clksrc(c)->reg) & c->mask; -- 2.1.0.27.g96db324
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