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-rw-r--r--arch/arm/include/asm/arch_timer.h6
-rw-r--r--arch/arm64/include/asm/arch_timer.h17
-rw-r--r--drivers/clocksource/arm_arch_timer.c44
3 files changed, 0 insertions, 67 deletions
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h
index a5d27cff28fa..7d757085c61a 100644
--- a/arch/arm/include/asm/arch_timer.h
+++ b/arch/arm/include/asm/arch_timer.h
@@ -65,9 +65,6 @@ u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg)
case ARCH_TIMER_REG_CTRL:
asm volatile("mrc p15, 0, %0, c14, c2, 1" : "=r" (val));
break;
- case ARCH_TIMER_REG_TVAL:
- asm volatile("mrc p15, 0, %0, c14, c2, 0" : "=r" (val));
- break;
default:
BUILD_BUG();
}
@@ -76,9 +73,6 @@ u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg)
case ARCH_TIMER_REG_CTRL:
asm volatile("mrc p15, 0, %0, c14, c3, 1" : "=r" (val));
break;
- case ARCH_TIMER_REG_TVAL:
- asm volatile("mrc p15, 0, %0, c14, c3, 0" : "=r" (val));
- break;
default:
BUILD_BUG();
}
diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h
index fa12ea4a9812..8332fcfb08e8 100644
--- a/arch/arm64/include/asm/arch_timer.h
+++ b/arch/arm64/include/asm/arch_timer.h
@@ -52,8 +52,6 @@ struct arch_timer_erratum_workaround {
enum arch_timer_erratum_match_type match_type;
const void *id;
const char *desc;
- u32 (*read_cntp_tval_el0)(void);
- u32 (*read_cntv_tval_el0)(void);
u64 (*read_cntpct_el0)(void);
u64 (*read_cntvct_el0)(void);
int (*set_next_event_phys)(unsigned long, struct clock_event_device *);
@@ -64,17 +62,6 @@ struct arch_timer_erratum_workaround {
DECLARE_PER_CPU(const struct arch_timer_erratum_workaround *,
timer_unstable_counter_workaround);
-/* inline sysreg accessors that make erratum_handler() work */
-static inline notrace u32 arch_timer_read_cntp_tval_el0(void)
-{
- return read_sysreg(cntp_tval_el0);
-}
-
-static inline notrace u32 arch_timer_read_cntv_tval_el0(void)
-{
- return read_sysreg(cntv_tval_el0);
-}
-
static inline notrace u64 arch_timer_read_cntpct_el0(void)
{
return read_sysreg(cntpct_el0);
@@ -140,8 +127,6 @@ u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg)
switch (reg) {
case ARCH_TIMER_REG_CTRL:
return read_sysreg(cntp_ctl_el0);
- case ARCH_TIMER_REG_TVAL:
- return arch_timer_reg_read_stable(cntp_tval_el0);
default:
BUILD_BUG();
}
@@ -149,8 +134,6 @@ u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg)
switch (reg) {
case ARCH_TIMER_REG_CTRL:
return read_sysreg(cntv_ctl_el0);
- case ARCH_TIMER_REG_TVAL:
- return arch_timer_reg_read_stable(cntv_tval_el0);
default:
BUILD_BUG();
}
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 3b7d46d9db73..67bdc7288f59 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -144,9 +144,6 @@ u32 arch_timer_reg_read(int access, enum arch_timer_reg reg,
case ARCH_TIMER_REG_CTRL:
val = readl_relaxed(timer->base + CNTP_CTL);
break;
- case ARCH_TIMER_REG_TVAL:
- val = readl_relaxed(timer->base + CNTP_TVAL);
- break;
default:
BUILD_BUG();
}
@@ -156,9 +153,6 @@ u32 arch_timer_reg_read(int access, enum arch_timer_reg reg,
case ARCH_TIMER_REG_CTRL:
val = readl_relaxed(timer->base + CNTV_CTL);
break;
- case ARCH_TIMER_REG_TVAL:
- val = readl_relaxed(timer->base + CNTV_TVAL);
- break;
default:
BUILD_BUG();
}
@@ -247,16 +241,6 @@ struct ate_acpi_oem_info {
_new; \
})
-static u32 notrace fsl_a008585_read_cntp_tval_el0(void)
-{
- return __fsl_a008585_read_reg(cntp_tval_el0);
-}
-
-static u32 notrace fsl_a008585_read_cntv_tval_el0(void)
-{
- return __fsl_a008585_read_reg(cntv_tval_el0);
-}
-
static u64 notrace fsl_a008585_read_cntpct_el0(void)
{
return __fsl_a008585_read_reg(cntpct_el0);
@@ -293,16 +277,6 @@ static u64 notrace fsl_a008585_read_cntvct_el0(void)
_new; \
})
-static u32 notrace hisi_161010101_read_cntp_tval_el0(void)
-{
- return __hisi_161010101_read_reg(cntp_tval_el0);
-}
-
-static u32 notrace hisi_161010101_read_cntv_tval_el0(void)
-{
- return __hisi_161010101_read_reg(cntv_tval_el0);
-}
-
static u64 notrace hisi_161010101_read_cntpct_el0(void)
{
return __hisi_161010101_read_reg(cntpct_el0);
@@ -387,16 +361,6 @@ static u64 notrace sun50i_a64_read_cntvct_el0(void)
{
return __sun50i_a64_read_reg(cntvct_el0);
}
-
-static u32 notrace sun50i_a64_read_cntp_tval_el0(void)
-{
- return read_sysreg(cntp_cval_el0) - sun50i_a64_read_cntpct_el0();
-}
-
-static u32 notrace sun50i_a64_read_cntv_tval_el0(void)
-{
- return read_sysreg(cntv_cval_el0) - sun50i_a64_read_cntvct_el0();
-}
#endif
#ifdef CONFIG_ARM_ARCH_TIMER_OOL_WORKAROUND
@@ -446,8 +410,6 @@ static const struct arch_timer_erratum_workaround ool_workarounds[] = {
.match_type = ate_match_dt,
.id = "fsl,erratum-a008585",
.desc = "Freescale erratum a005858",
- .read_cntp_tval_el0 = fsl_a008585_read_cntp_tval_el0,
- .read_cntv_tval_el0 = fsl_a008585_read_cntv_tval_el0,
.read_cntpct_el0 = fsl_a008585_read_cntpct_el0,
.read_cntvct_el0 = fsl_a008585_read_cntvct_el0,
.set_next_event_phys = erratum_set_next_event_tval_phys,
@@ -459,8 +421,6 @@ static const struct arch_timer_erratum_workaround ool_workarounds[] = {
.match_type = ate_match_dt,
.id = "hisilicon,erratum-161010101",
.desc = "HiSilicon erratum 161010101",
- .read_cntp_tval_el0 = hisi_161010101_read_cntp_tval_el0,
- .read_cntv_tval_el0 = hisi_161010101_read_cntv_tval_el0,
.read_cntpct_el0 = hisi_161010101_read_cntpct_el0,
.read_cntvct_el0 = hisi_161010101_read_cntvct_el0,
.set_next_event_phys = erratum_set_next_event_tval_phys,
@@ -470,8 +430,6 @@ static const struct arch_timer_erratum_workaround ool_workarounds[] = {
.match_type = ate_match_acpi_oem_info,
.id = hisi_161010101_oem_info,
.desc = "HiSilicon erratum 161010101",
- .read_cntp_tval_el0 = hisi_161010101_read_cntp_tval_el0,
- .read_cntv_tval_el0 = hisi_161010101_read_cntv_tval_el0,
.read_cntpct_el0 = hisi_161010101_read_cntpct_el0,
.read_cntvct_el0 = hisi_161010101_read_cntvct_el0,
.set_next_event_phys = erratum_set_next_event_tval_phys,
@@ -492,8 +450,6 @@ static const struct arch_timer_erratum_workaround ool_workarounds[] = {
.match_type = ate_match_dt,
.id = "allwinner,erratum-unknown1",
.desc = "Allwinner erratum UNKNOWN1",
- .read_cntp_tval_el0 = sun50i_a64_read_cntp_tval_el0,
- .read_cntv_tval_el0 = sun50i_a64_read_cntv_tval_el0,
.read_cntpct_el0 = sun50i_a64_read_cntpct_el0,
.read_cntvct_el0 = sun50i_a64_read_cntvct_el0,
.set_next_event_phys = erratum_set_next_event_tval_phys,
generated by cgit (git 2.34.1) at 2025-04-06 08:44:42 +0000