Commit-ID: 729e55225b1f6225ee7a2a358d5141a3264627c4 Gitweb: http://git.kernel.org/tip/729e55225b1f6225ee7a2a358d5141a3264627c4 Author: Ding Tianhong <dingtianhong@xxxxxxxxxx> AuthorDate: Mon, 6 Feb 2017 16:47:39 +0000 Committer: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> CommitDate: Wed, 8 Feb 2017 00:13:57 +0100 clocksource/drivers/arm_arch_timer: Add dt binding for hisilicon-161010101 erratum This erratum describes a bug in logic outside the core, so MIDR can't be used to identify its presence, and reading an SoC-specific revision register from common arch timer code would be awkward. So, describe it in the device tree. Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx> Acked-by: Rob Herring <robh@xxxxxxxxxx> Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> --- Documentation/devicetree/bindings/arm/arch_timer.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/arch_timer.txt b/Documentation/devicetree/bindings/arm/arch_timer.txt index ad440a2..e926aea 100644 --- a/Documentation/devicetree/bindings/arm/arch_timer.txt +++ b/Documentation/devicetree/bindings/arm/arch_timer.txt @@ -31,6 +31,12 @@ to deliver its interrupts via SPIs. This also affects writes to the tval register, due to the implicit counter read. +- hisilicon,erratum-161010101 : A boolean property. Indicates the + presence of Hisilicon erratum 161010101, which says that reading the + counters is unreliable in some cases, and reads may return a value 32 + beyond the correct value. This also affects writes to the tval + registers, due to the implicit counter read. + ** Optional properties: - arm,cpu-registers-not-fw-configured : Firmware does not initialize -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
![]() |