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Merge "Revert "clocksource: arch_timer: make virtual counter access configurable""

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qctecmdr 2021-05-26 23:35:33 -07:00 • committed by Gerrit - the friendly Code Review server
commit 4e58012ac5
2 changed files with 1 additions and 10 deletions
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8
drivers/clocksource/Kconfig
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@ -385,14 +385,6 @@ config SUN50I_ERRATUM_UNKNOWN1
the Allwinner A64 SoC. The workaround will only be active if the
allwinner,erratum-unknown1 property is found in the timer node.
config ARM_ARCH_TIMER_VCT_ACCESS
bool "Support for ARM architected timer virtual counter access in userspace"
default n
depends on ARM_ARCH_TIMER
help
This option enables support for reading the ARM architected timer's
virtual counter in userspace.
config ARM_GLOBAL_TIMER
bool "Support for the ARM global timer" if COMPILE_TEST
select TIMER_OF if OF

3
drivers/clocksource/arm_arch_timer.c
View file

@ -863,8 +863,7 @@ static void arch_counter_set_user_access(void)
* need to be workaround. The vdso may have been already
* disabled though.
*/
if (arch_timer_this_cpu_has_cntvct_wa() ||
!IS_ENABLED(CONFIG_ARM_ARCH_TIMER_VCT_ACCESS))
if (arch_timer_this_cpu_has_cntvct_wa())
pr_info("CPU%d: Trapping CNTVCT access\n", smp_processor_id());
else
cntkctl |= ARCH_TIMER_USR_VCT_ACCESS_EN;