From: hanjun.guo@linaro.org (Hanjun Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 05/20] ARM64 / ACPI: Introduce lowlevel suspend function
Date: Fri, 17 Jan 2014 20:24:59 +0800 [thread overview]
Message-ID: <1389961514-13562-6-git-send-email-hanjun.guo@linaro.org> (raw)
In-Reply-To: <1389961514-13562-1-git-send-email-hanjun.guo@linaro.org>
Lowlevel suspend function is needed for ACPI based suspend/resume,
introduce ARM related lowlevel function in this patch.
Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
---
arch/arm64/include/asm/acpi.h | 4 ++++
drivers/acpi/plat/arm-core.c | 7 +++++++
2 files changed, 11 insertions(+)
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
index 908d71b..e108d9c 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -79,6 +79,10 @@ void arch_fix_phys_package_id(int num, u32 slot);
/* temperally define -1 to make acpi core compilerable */
#define cpu_physical_id(cpu) -1
+/* Low-level suspend routine. */
+extern int (*acpi_suspend_lowlevel)(void);
+#define acpi_wakeup_address (0)
+
#else /* !CONFIG_ACPI */
#define acpi_disabled 1 /* ACPI sometimes enabled on ARM */
#define acpi_noirq 1 /* ACPI sometimes enabled on ARM */
diff --git a/drivers/acpi/plat/arm-core.c b/drivers/acpi/plat/arm-core.c
index 162a1ab..3c8521d 100644
--- a/drivers/acpi/plat/arm-core.c
+++ b/drivers/acpi/plat/arm-core.c
@@ -207,3 +207,10 @@ static int __init parse_acpi(char *arg)
return 0;
}
early_param("acpi", parse_acpi);
+
+/*
+ * acpi_suspend_lowlevel() - save kernel state and suspend.
+ *
+ * TBD when ARM/ARM64 starts to support suspend...
+ */
+int (*acpi_suspend_lowlevel)(void);
--
1.7.9.5
next prev parent reply other threads:[~2014-01-17 12:24 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-17 12:24 [PATCH 00/20] Make ACPI core running on ARM64 Hanjun Guo
2014-01-17 12:24 ` [PATCH 01/20] ARM64 / ACPI: Make PCI optional for ACPI " Hanjun Guo
2014-01-17 16:00 ` Bjorn Helgaas
2014-01-20 9:33 ` Hanjun Guo
2014-01-17 12:24 ` [PATCH 02/20] ARM64 : Add dummy asm/cpu.h Hanjun Guo
2014-01-17 14:22 ` Sudeep Holla
2014-01-20 8:58 ` Hanjun Guo
2014-01-23 16:15 ` Catalin Marinas
2014-01-24 14:41 ` Hanjun Guo
2014-01-17 12:24 ` [PATCH 03/20] ARM64 / ACPI: Introduce the skeleton of _PDC related for ARM64 Hanjun Guo
2014-01-17 14:25 ` Sudeep Holla
2014-01-20 9:20 ` Hanjun Guo
2014-01-23 16:19 ` Catalin Marinas
2014-01-24 14:43 ` Hanjun Guo
2014-01-23 18:03 ` Catalin Marinas
2014-01-24 15:35 ` Hanjun Guo
2014-01-17 12:24 ` [PATCH 04/20] ARM64 / ACPI: Introduce arm_core.c and its related head file Hanjun Guo
2014-01-17 14:12 ` Will Deacon
2014-01-18 4:05 ` Hanjun Guo
2014-01-17 16:56 ` Sudeep Holla
2014-01-20 12:26 ` Hanjun Guo
2014-01-22 11:54 ` Lorenzo Pieralisi
2014-01-23 15:56 ` [Linaro-acpi] " Tomasz Nowicki
2014-01-24 9:09 ` Hanjun Guo
2014-01-24 12:53 ` Lorenzo Pieralisi
2014-01-24 16:44 ` Tomasz Nowicki
2014-01-17 12:24 ` Hanjun Guo [this message]
2014-01-17 12:25 ` [PATCH 06/20] ARM64 / ACPI: Introduce some PCI functions when PCI is enabled Hanjun Guo
2014-01-17 14:04 ` Arnd Bergmann
2014-01-20 8:08 ` Hanjun Guo
2014-01-20 8:20 ` Arnd Bergmann
2014-01-20 14:13 ` Hanjun Guo
2014-01-20 18:39 ` Arnd Bergmann
2014-01-21 3:40 ` Hanjun Guo
2014-01-17 12:25 ` [PATCH 07/20] ARM64 / ACPI: Enable ARM64 in Kconfig Hanjun Guo
2014-01-17 14:34 ` Sudeep Holla
2014-01-20 9:30 ` Hanjun Guo
2014-01-23 16:39 ` Catalin Marinas
2014-01-24 14:45 ` Hanjun Guo
2014-01-17 12:25 ` [PATCH 08/20] ARM64 / ACPI: Select ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on ARM64 Hanjun Guo
2014-01-17 12:25 ` [PATCH 09/20] ARM64 / ACPI: Implement core functions for parsing MADT table Hanjun Guo
2014-01-17 14:12 ` Arnd Bergmann
2014-01-20 8:49 ` Hanjun Guo
2014-01-23 17:54 ` Marc Zyngier
2014-01-24 15:34 ` Hanjun Guo
2014-01-24 20:57 ` Arnd Bergmann
2014-01-17 12:25 ` [PATCH 10/20] ARM64 / ACPI: Enumerate possible/present CPU set and map logical cpu id to APIC id Hanjun Guo
2014-01-17 17:37 ` Sudeep Holla
2014-01-20 14:00 ` Hanjun Guo
2014-01-22 15:53 ` Lorenzo Pieralisi
2014-01-24 14:37 ` Hanjun Guo
2014-01-24 15:35 ` Lorenzo Pieralisi
2014-01-24 16:02 ` Hanjun Guo
2014-01-17 12:25 ` [PATCH 11/20] ARM64 / ACPI: Get the enable method for SMP initialization Hanjun Guo
2014-01-23 17:50 ` Catalin Marinas
2014-01-24 14:57 ` Hanjun Guo
2014-01-17 12:25 ` [PATCH 12/20] ARM64 / ACPI: Use Parked Address in GIC structure for spin table SMP initialisation Hanjun Guo
2014-01-17 14:15 ` Arnd Bergmann
2014-01-17 14:35 ` Tomasz Nowicki
2014-01-17 12:25 ` [PATCH 13/20] ARM64 / ACPI: Define ACPI_IRQ_MODEL_GIC needed for arm Hanjun Guo
2014-01-17 12:25 ` [PATCH 14/20] Irqchip / gic: Set as default domain so we can access from ACPI Hanjun Guo
2014-01-17 12:25 ` [PATCH 15/20] ACPI / ARM64: Update acpi_register_gsi to register with the core IRQ subsystem Hanjun Guo
2014-01-17 12:25 ` [PATCH 17/20] clocksource / arch_timer: Use ACPI GTDT table to initialize arch timer Hanjun Guo
2014-01-27 11:26 ` Mark Rutland
2014-01-17 12:25 ` [PATCH 18/20] clocksource / acpi: Add macro CLOCKSOURCE_ACPI_DECLARE Hanjun Guo
2014-01-17 14:21 ` Arnd Bergmann
2014-01-20 9:08 ` Hanjun Guo
2014-01-22 11:46 ` Mark Rutland
2014-01-22 14:56 ` Arnd Bergmann
2014-01-22 15:17 ` Mark Rutland
2014-01-22 15:47 ` Arnd Bergmann
2014-01-24 9:19 ` Hanjun Guo
2014-01-24 0:46 ` Hanjun Guo
2014-01-22 8:26 ` Linus Walleij
2014-01-22 11:45 ` Mark Rutland
2014-01-22 14:38 ` Linus Walleij
2014-01-24 0:20 ` Hanjun Guo
2014-01-24 12:08 ` Mark Rutland
2014-01-24 15:15 ` Catalin Marinas
2014-01-24 15:44 ` Mark Rutland
2014-01-24 15:53 ` Hanjun Guo
2014-01-24 0:12 ` Hanjun Guo
2014-01-24 12:32 ` Mark Rutland
2014-01-24 15:45 ` Hanjun Guo
2014-01-17 12:25 ` [PATCH 19/20] clocksource / ACPI: Introduce clocksource_acpi_init() using CLOCKSOURCE_ACPI_DECLARE Hanjun Guo
2014-01-17 12:25 ` [PATCH 20/20] ARM64 / clocksource: Use clocksource_acpi_init() Hanjun Guo
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