diff options
| author | Fu Wei <fu.wei@linaro.org> | 2017-04-01 01:51:01 +0800 |
|---|---|---|
| committer | Mark Rutland <mark.rutland@arm.com> | 2017-04-19 16:11:49 +0100 |
| commit | 5f1ae4ebe578319a0cd5dae9591dd426070be106 (patch) | |
| tree | ff4bde8ba98614bb0001500482d5db3242de7770 /include/linux/acpi.h | |
| parent | c389d701dfb70154edf896f0f9c40d2857ca2d90 (diff) | |
| download | lwn-5f1ae4ebe578319a0cd5dae9591dd426070be106.tar.gz lwn-5f1ae4ebe578319a0cd5dae9591dd426070be106.zip | |
acpi/arm64: Add GTDT table parse driver
This patch adds support for parsing arch timer info in GTDT,
provides some kernel APIs to parse all the PPIs and
always-on info in GTDT and export them.
By this driver, we can simplify arm_arch_timer drivers, and
separate the ACPI GTDT knowledge from it.
Signed-off-by: Fu Wei <fu.wei@linaro.org>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Diffstat (limited to 'include/linux/acpi.h')
| -rw-r--r-- | include/linux/acpi.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 9b05886f9773..4b5c146fba97 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -595,6 +595,12 @@ enum acpi_reconfig_event { int acpi_reconfig_notifier_register(struct notifier_block *nb); int acpi_reconfig_notifier_unregister(struct notifier_block *nb); +#ifdef CONFIG_ACPI_GTDT +int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); +int acpi_gtdt_map_ppi(int type); +bool acpi_gtdt_c3stop(int type); +#endif + #else /* !CONFIG_ACPI */ #define acpi_disabled 1 |