From: Hanjun Guo <hanjun.guo@linaro.org> To: linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>, Catalin Marinas <catalin.marinas@arm.com>, Arnd Bergmann <arnd@arndb.de>, Mark Brown <broonie@linaro.org>, Grant Likely <grant.likely@linaro.org>, Sudeep Holla <Sudeep.Holla@arm.com>, Olof Johansson <olof@lixom.net>, Mark Rutland <mark.rutland@arm.com>, Rob Herring <robh@kernel.org>, Will Deacon <will.deacon@arm.com>, Charles.Garcia-Tobin@arm.com, linaro-acpi@lists.linaro.org, Hanjun Guo <hanjun.guo@linaro.org>, Graeme Gregory <graeme.gregory@linaro.org> Subject: [PATCH v3 part1 06/11] ARM64 / ACPI: Introduce lowlevel suspend function Date: Fri, 25 Apr 2014 21:20:12 +0800 [thread overview] Message-ID: <1398432017-8506-7-git-send-email-hanjun.guo@linaro.org> (raw) In-Reply-To: <1398432017-8506-1-git-send-email-hanjun.guo@linaro.org> acpi_wakeup_address is used on x86 as the address bios jumps into when machine wakes up from suspend. As arm64 does not have such a bios this mechanism will be provided by other means. But the define is still required inside the acpi core. Introduce a null stub for acpi_suspend_lowlevel as this is also required by core. This will be filled in when standards are defined for arm64 ACPI global power states. 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 3ac9dfb..60e3a72 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -85,6 +85,10 @@ static inline void acpi_disable_pci(void) */ #define cpu_physical_id(cpu) -1 +/* Low-level suspend routine. */ +extern int (*acpi_suspend_lowlevel)(void); +#define acpi_wakeup_address (0) + #endif /* CONFIG_ACPI */ #endif /*_ASM_ACPI_H*/ diff --git a/drivers/acpi/plat/arm-core.c b/drivers/acpi/plat/arm-core.c index e4846fd..aeea64e 100644 --- a/drivers/acpi/plat/arm-core.c +++ b/drivers/acpi/plat/arm-core.c @@ -129,3 +129,10 @@ 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
WARNING: multiple messages have this Message-ID (diff)
From: hanjun.guo@linaro.org (Hanjun Guo) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 part1 06/11] ARM64 / ACPI: Introduce lowlevel suspend function Date: Fri, 25 Apr 2014 21:20:12 +0800 [thread overview] Message-ID: <1398432017-8506-7-git-send-email-hanjun.guo@linaro.org> (raw) In-Reply-To: <1398432017-8506-1-git-send-email-hanjun.guo@linaro.org> acpi_wakeup_address is used on x86 as the address bios jumps into when machine wakes up from suspend. As arm64 does not have such a bios this mechanism will be provided by other means. But the define is still required inside the acpi core. Introduce a null stub for acpi_suspend_lowlevel as this is also required by core. This will be filled in when standards are defined for arm64 ACPI global power states. 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 3ac9dfb..60e3a72 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -85,6 +85,10 @@ static inline void acpi_disable_pci(void) */ #define cpu_physical_id(cpu) -1 +/* Low-level suspend routine. */ +extern int (*acpi_suspend_lowlevel)(void); +#define acpi_wakeup_address (0) + #endif /* CONFIG_ACPI */ #endif /*_ASM_ACPI_H*/ diff --git a/drivers/acpi/plat/arm-core.c b/drivers/acpi/plat/arm-core.c index e4846fd..aeea64e 100644 --- a/drivers/acpi/plat/arm-core.c +++ b/drivers/acpi/plat/arm-core.c @@ -129,3 +129,10 @@ 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:[~2014-04-25 13:23 UTC|newest] Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-04-25 13:20 [PATCH v3 part1 00/11] Enable ACPI on ARM64 in Kconfig Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-25 13:20 ` [PATCH v3 part1 01/11] ACPI / processor: Rework _PDC related stuff to make it more arch-independent Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-29 9:36 ` Grant Likely 2014-04-29 9:36 ` [PATCH v3 part1 01/11] ACPI / processor: Rework _PDC related stuff to make it more arch-independ Grant Likely 2014-04-29 9:36 ` [PATCH v3 part1 01/11] ACPI / processor: Rework _PDC related stuff to make it more arch-independent Grant Likely 2014-05-04 8:56 ` Hanjun Guo 2014-05-04 8:56 ` [PATCH v3 part1 01/11] ACPI / processor: Rework _PDC related stuff to make it more arch-independ Hanjun Guo 2014-05-04 8:56 ` [PATCH v3 part1 01/11] ACPI / processor: Rework _PDC related stuff to make it more arch-independent Hanjun Guo 2014-04-25 13:20 ` [PATCH v3 part1 02/11] ARM64 / ACPI: Introduce the skeleton of _PDC related for ARM64 Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-29 9:39 ` Grant Likely 2014-04-29 9:39 ` Grant Likely 2014-05-04 8:58 ` Hanjun Guo 2014-05-04 8:58 ` Hanjun Guo 2014-04-25 13:20 ` [PATCH v3 part1 03/11] ARM64 : Add dummy asm/cpu.h Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-29 9:40 ` Grant Likely 2014-04-29 9:40 ` Grant Likely 2014-04-29 10:43 ` Arnd Bergmann 2014-04-29 10:43 ` Arnd Bergmann 2014-04-25 13:20 ` [PATCH v3 part1 04/11] ARM64 / ACPI: Introduce arm-core.c and its related head file Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-25 15:51 ` Mark Rutland 2014-04-25 15:51 ` Mark Rutland 2014-04-25 16:53 ` Graeme Gregory 2014-04-25 16:53 ` Graeme Gregory 2014-04-25 18:38 ` Mark Rutland 2014-04-25 18:38 ` Mark Rutland 2014-04-26 12:09 ` Graeme Gregory 2014-04-26 12:09 ` Graeme Gregory 2014-04-28 14:58 ` [Linaro-acpi] " Lorenzo Pieralisi 2014-04-28 14:58 ` Lorenzo Pieralisi 2014-04-28 4:54 ` Zheng, Lv 2014-04-28 4:54 ` Zheng, Lv 2014-04-28 9:32 ` Hanjun Guo 2014-04-28 9:32 ` Hanjun Guo 2014-04-29 9:45 ` Grant Likely 2014-04-29 9:45 ` Grant Likely 2014-04-25 13:20 ` [PATCH v3 part1 05/11] ARM64 / ACPI: Introduce early_param for "acpi" Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-29 9:51 ` Grant Likely 2014-04-29 9:51 ` Grant Likely 2014-04-25 13:20 ` Hanjun Guo [this message] 2014-04-25 13:20 ` [PATCH v3 part1 06/11] ARM64 / ACPI: Introduce lowlevel suspend function Hanjun Guo 2014-04-28 15:22 ` [Linaro-acpi] " Lorenzo Pieralisi 2014-04-28 15:22 ` Lorenzo Pieralisi 2014-04-29 8:46 ` Hanjun Guo 2014-04-29 8:46 ` Hanjun Guo 2014-04-25 13:20 ` [PATCH v3 part1 07/11] ARM64 / ACPI: Introduce arch_fix_phys_package_id() for cpu topology Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-25 14:52 ` Mark Brown 2014-04-25 14:52 ` Mark Brown 2014-04-28 3:00 ` Hanjun Guo 2014-04-28 3:00 ` Hanjun Guo 2014-04-28 8:50 ` Mark Brown 2014-04-28 8:50 ` Mark Brown 2014-04-25 13:20 ` [PATCH v3 part1 08/11] ARM64 / ACPI: Introduce PCI functions for ACPI on ARM64 Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-28 13:49 ` Arnd Bergmann 2014-04-28 13:49 ` Arnd Bergmann 2014-04-29 8:44 ` Hanjun Guo 2014-04-29 8:44 ` Hanjun Guo 2014-04-29 10:01 ` [Linaro-acpi] " Arnd Bergmann 2014-04-29 10:01 ` Arnd Bergmann 2014-05-05 8:35 ` Hanjun Guo 2014-05-05 8:35 ` Hanjun Guo 2014-05-05 13:09 ` Arnd Bergmann 2014-05-05 13:09 ` Arnd Bergmann 2014-04-25 13:20 ` [PATCH v3 part1 09/11] ARM64 / ACPI: Enable ARM64 in Kconfig Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-25 13:20 ` [PATCH v3 part1 10/11] ARM64 / ACPI: Select ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on ARM64 Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-25 13:20 ` [PATCH v3 part1 11/11] ACPI: Make EC depend on X86 || IA64 in Kconfig Hanjun Guo 2014-04-25 13:20 ` Hanjun Guo 2014-04-29 9:56 ` Grant Likely 2014-04-29 9:56 ` Grant Likely 2014-05-04 9:03 ` Hanjun Guo 2014-05-04 9:03 ` Hanjun Guo
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