This is to prepare for the upcoming read_sched_clock implementation, which
will also need to get cycles from the high precision timer.
Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@xxxxxxxxxx>
---
arch/mips/kernel/csrc-sb1250.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/mips/kernel/csrc-sb1250.c b/arch/mips/kernel/csrc-sb1250.c
index 6ecb77d..662ae7c 100644
--- a/arch/mips/kernel/csrc-sb1250.c
+++ b/arch/mips/kernel/csrc-sb1250.c
@@ -33,15 +33,22 @@
* The HPT is free running from SB1250_HPT_VALUE down to 0 then starts over
* again.
*/
-static cycle_t sb1250_hpt_read(struct clocksource *cs)
+static inline cycle_t sb1250_hpt_get_cycles(void)
{
unsigned int count;
+ void __iomem *addr;
- count = G_SCD_TIMER_CNT(__raw_readq(IOADDR(A_SCD_TIMER_REGISTER(SB1250_HPT_NUM, R_SCD_TIMER_CNT))));
+ addr = IOADDR(A_SCD_TIMER_REGISTER(SB1250_HPT_NUM, R_SCD_TIMER_CNT));
+ count = G_SCD_TIMER_CNT(__raw_readq(addr));
return SB1250_HPT_VALUE - count;
}
+static cycle_t sb1250_hpt_read(struct clocksource *cs)
+{
+ return sb1250_hpt_get_cycles();
+}
+
struct clocksource bcm1250_clocksource = {
.name = "bcm1250-counter-3",
.rating = 200,
--
2.3.2
