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SubjectRe: [PATCH v23 00/11] acpi, clocksource: add GTDT driver and GTDT support in arm_arch_timer
On 03/31/2017 12:50 PM, wrote:
> This patchset:
> (1)Preparation for adding GTDT support in arm_arch_timer:
> 1. Introduce a MMIO CNTFRQ helper.
> 2. separate out device-tree code from arch_timer_detect_rate
> 3. remove arch_timer_detect_rate use arch_timer_*get_cntfrq directly
> 4. Refactor arch_timer_needs_probing, and move it into DT init call
> 5. Introduce some new structs and refactor the MMIO timer init code
> for reusing some common code.
> (2)Introduce ACPI GTDT parser: drivers/acpi/arm64/acpi_gtdt.c
> Parse all kinds of timer in GTDT table of ACPI:arch timer,
> memory-mapped timer and SBSA Generic Watchdog timer.
> This driver can help to simplify all the relevant timer drivers,
> and separate all the ACPI GTDT knowledge from them.
> (3)Simplify ACPI code for arm_arch_timer
> (4)Add GTDT support for ARM memory-mapped timer.
> This patchset has been tested on the following platforms with ACPI enabled:
> (1)ARM Foundation v8 model
> Changelog:
> v23:


Tested-by: Timur Tabi <>

Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm
Technologies, Inc. Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.

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