From mboxrd@z Thu Jan 1 00:00:00 1970 From: al.stone@linaro.org (al.stone at linaro.org) Date: Wed, 4 Dec 2013 14:22:04 -0700 Subject: [PATCH v3 2/5] ACPI: bus master reload not supported in reduced HW mode In-Reply-To: <1386192127-28564-1-git-send-email-al.stone@linaro.org> References: <1386192127-28564-1-git-send-email-al.stone@linaro.org> Message-ID: <1386192127-28564-3-git-send-email-al.stone@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Al Stone Remove the saving and restoring of bus master reload registers in suspend/resume when in reduced HW mode; according to the spec, no such registers should exist Signed-off-by: Al Stone --- drivers/acpi/processor_idle.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 597cdab..8b48c08 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -202,7 +202,7 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr, #endif -#ifdef CONFIG_PM_SLEEP +#if (IS_ENABLED(CONFIG_PM_SLEEP) && !IS_ENABLED(CONFIG_ACPI_REDUCED_HARDWARE)) static u32 saved_bm_rld; static int acpi_processor_suspend(void) @@ -236,7 +236,10 @@ void acpi_processor_syscore_exit(void) { unregister_syscore_ops(&acpi_processor_syscore_ops); } -#endif /* CONFIG_PM_SLEEP */ +#else +void acpi_processor_syscore_init(void) { return; } +void acpi_processor_syscore_exit(void) { return; } +#endif #if defined(CONFIG_X86) static void tsc_check_state(int state) -- 1.8.3.1