A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-12 07:37:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

Merge "drivers: clksource: add API to return cval"

Browse source
This commit is contained in:
qctecmdr 2019-10-01 19:17:26 -07:00 • committed by Gerrit - the friendly Code Review server
commit 5c4d2e8fa3
2 changed files with 24 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

19
drivers/clocksource/arm_arch_timer.c
View file

@ -46,6 +46,8 @@
#define CNTFRQ 0x10
#define CNTP_TVAL 0x28
#define CNTP_CTL 0x2c
#define CNTCVAL_LO 0x30
#define CNTCVAL_HI 0x34
#define CNTV_TVAL 0x38
#define CNTV_CTL 0x3c
@ -937,6 +939,23 @@ bool arch_timer_evtstrm_available(void)
return cpumask_test_cpu(raw_smp_processor_id(), &evtstrm_available);
}
void arch_timer_mem_get_cval(u32 *lo, u32 *hi)
{
u32 ctrl;
*lo = *hi = ~0U;
if (!arch_counter_base)
return;
ctrl = readl_relaxed_no_log(arch_counter_base + CNTV_CTL);
if (ctrl & ARCH_TIMER_CTRL_ENABLE) {
*lo = readl_relaxed_no_log(arch_counter_base + CNTCVAL_LO);
*hi = readl_relaxed_no_log(arch_counter_base + CNTCVAL_HI);
}
}
static u64 arch_counter_get_cntvct_mem(void)
{
u32 vct_lo, vct_hi, tmp_hi;

5
include/clocksource/arm_arch_timer.h
View file

@ -86,6 +86,7 @@ extern u32 arch_timer_get_rate(void);
extern u64 (*arch_timer_read_counter)(void);
extern struct arch_timer_kvm_info *arch_timer_get_kvm_info(void);
extern bool arch_timer_evtstrm_available(void);
extern void arch_timer_mem_get_cval(u32 *lo, u32 *hi);
#else
@ -104,6 +105,10 @@ static inline bool arch_timer_evtstrm_available(void)
return false;
}
static void arch_timer_mem_get_cval(u32 *lo, u32 *hi)
{
*lo = *hi = ~0U;
}
#endif
#endif