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authorFu Wei <fu.wei@linaro.org>2017-04-01 01:51:01 +0800
committerMark Rutland <mark.rutland@arm.com>2017-04-19 16:11:49 +0100
commit5f1ae4ebe578319a0cd5dae9591dd426070be106 (patch)
treeff4bde8ba98614bb0001500482d5db3242de7770 /include/linux/acpi.h
parentc389d701dfb70154edf896f0f9c40d2857ca2d90 (diff)
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.h6
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