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tboot: Add return values for tboot_sleep

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.. as appropiately. As tboot_sleep now returns values.
remove tboot_sleep_wrapper.

Suggested-and-Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Joseph Cihula <joseph.cihula@intel.com>
[v1: Return -1/0/+1 instead of ACPI_xx values]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2011-12-08 17:14:08 +08:00
parent 09f98a825a
commit a1f37788a6
1 changed files with 4 additions and 9 deletions
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13
arch/x86/kernel/tboot.c
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@ -272,7 +272,7 @@ static void tboot_copy_fadt(const struct acpi_table_fadt *fadt)
offsetof(struct acpi_table_facs, firmware_waking_vector);
}
void tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control)
static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control)
{
static u32 acpi_shutdown_map[ACPI_S_STATE_COUNT] = {
/* S0,1,2: */ -1, -1, -1,
@ -281,7 +281,7 @@ void tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control)
/* S5: */ TB_SHUTDOWN_S5 };
if (!tboot_enabled())
return;
return 0;
tboot_copy_fadt(&acpi_gbl_FADT);
tboot->acpi_sinfo.pm1a_cnt_val = pm1a_control;
@ -292,15 +292,10 @@ void tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control)
if (sleep_state >= ACPI_S_STATE_COUNT ||
acpi_shutdown_map[sleep_state] == -1) {
pr_warning("unsupported sleep state 0x%x\n", sleep_state);
return;
return -1;
}
tboot_shutdown(acpi_shutdown_map[sleep_state]);
}
static int tboot_sleep_wrapper(u8 sleep_state, u32 pm1a_control,
u32 pm1b_control)
{
tboot_sleep(sleep_state, pm1a_control, pm1b_control);
return 0;
}
@ -352,7 +347,7 @@ static __init int tboot_late_init(void)
atomic_set(&ap_wfs_count, 0);
register_hotcpu_notifier(&tboot_cpu_notifier);
acpi_os_set_prepare_sleep(&tboot_sleep_wrapper);
acpi_os_set_prepare_sleep(&tboot_sleep);
return 0;
}