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clocksource/drivers/arm_arch_timer: Remove fsl-a008585 parameter

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Having a command line option to flip the errata handling for a
particular erratum is a little bit unusual, and it's vastly superior to
pass this in the DT. By common consensus, it's best to kill off the
command line parameter.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
[Mark: split patch, reword commit message]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Ding Tianhong 2017-02-06 16:47:40 +00:00 committed by Daniel Lezcano
parent 729e55225b
commit 5444ea6a7f
2 changed files with 0 additions and 23 deletions
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9
Documentation/admin-guide/kernel-parameters.txt
View File

@ -549,15 +549,6 @@
loops can be debugged more effectively on production
systems.
clocksource.arm_arch_timer.fsl-a008585=
[ARM64]
Format: <bool>
Enable/disable the workaround of Freescale/NXP
erratum A-008585. This can be useful for KVM
guests, if the guest device tree doesn't show the
erratum. If unspecified, the workaround is
enabled based on the device tree.
clearcpuid=BITNUM [X86]
Disable CPUID feature X for the kernel. See
arch/x86/include/asm/cpufeatures.h for the valid bit

14
drivers/clocksource/arm_arch_timer.c
View File

@ -101,20 +101,6 @@ EXPORT_SYMBOL_GPL(arch_timer_read_ool_enabled);
static int fsl_a008585_enable = -1;
static int __init early_fsl_a008585_cfg(char *buf)
{
int ret;
bool val;
ret = strtobool(buf, &val);
if (ret)
return ret;
fsl_a008585_enable = val;
return 0;
}
early_param("clocksource.arm_arch_timer.fsl-a008585", early_fsl_a008585_cfg);
u32 __fsl_a008585_read_cntp_tval_el0(void)
{
return __fsl_a008585_read_reg(cntp_tval_el0);