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| author | Len Brown <len.brown@intel.com> | 2012-03-22 06:31:09 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-03-22 06:31:09 +0100 |
| commit | e840dfe334b4791af07aadee1b2cf3c7c7363581 (patch) | |
| tree | b0f8336f578cb6d3e39399f6714b8ec811536225 /drivers/acpi | |
| parent | Linux 3.3 (diff) | |
| parent | tboot: Add return values for tboot_sleep (diff) | |
| download | linux-e840dfe334b4791af07aadee1b2cf3c7c7363581.tar.xz linux-e840dfe334b4791af07aadee1b2cf3c7c7363581.zip | |
Merge branch 'stable/for-x86-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into tboot
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/hwsleep.c | 10 | ||||
| -rw-r--r-- | drivers/acpi/osl.c | 24 |
2 files changed, 31 insertions, 3 deletions
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 3c4a922a9fc2..af702a7a69d9 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -43,9 +43,9 @@ */ #include <acpi/acpi.h> +#include <linux/acpi.h> #include "accommon.h" #include "actables.h" -#include <linux/tboot.h> #include <linux/module.h> #define _COMPONENT ACPI_HARDWARE @@ -344,8 +344,12 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) ACPI_FLUSH_CPU_CACHE(); - tboot_sleep(sleep_state, pm1a_control, pm1b_control); - + status = acpi_os_prepare_sleep(sleep_state, pm1a_control, + pm1b_control); + if (ACPI_SKIP(status)) + return_ACPI_STATUS(AE_OK); + if (ACPI_FAILURE(status)) + return_ACPI_STATUS(status); /* Write #2: Write both SLP_TYP + SLP_EN */ status = acpi_hw_write_pm1_control(pm1a_control, pm1b_control); diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 412a1e04a922..17516ad59937 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -77,6 +77,9 @@ EXPORT_SYMBOL(acpi_in_debugger); extern char line_buf[80]; #endif /*ENABLE_DEBUGGER */ +static int (*__acpi_os_prepare_sleep)(u8 sleep_state, u32 pm1a_ctrl, + u32 pm1b_ctrl); + static acpi_osd_handler acpi_irq_handler; static void *acpi_irq_context; static struct workqueue_struct *kacpid_wq; @@ -1641,3 +1644,24 @@ acpi_status acpi_os_terminate(void) return AE_OK; } + +acpi_status acpi_os_prepare_sleep(u8 sleep_state, u32 pm1a_control, + u32 pm1b_control) +{ + int rc = 0; + if (__acpi_os_prepare_sleep) + rc = __acpi_os_prepare_sleep(sleep_state, + pm1a_control, pm1b_control); + if (rc < 0) + return AE_ERROR; + else if (rc > 0) + return AE_CTRL_SKIP; + + return AE_OK; +} + +void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, + u32 pm1a_ctrl, u32 pm1b_ctrl)) +{ + __acpi_os_prepare_sleep = func; +} |