diff options
Diffstat (limited to 'drivers/acpi/hardware')
-rw-r--r-- | drivers/acpi/hardware/hwgpe.c | 2 | ||||
-rw-r--r-- | drivers/acpi/hardware/hwregs.c | 1 | ||||
-rw-r--r-- | drivers/acpi/hardware/hwsleep.c | 1 | ||||
-rw-r--r-- | drivers/acpi/hardware/hwtimer.c | 1 |
4 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c index d84942d22dd..729b68eb3e3 100644 --- a/drivers/acpi/hardware/hwgpe.c +++ b/drivers/acpi/hardware/hwgpe.c @@ -214,6 +214,7 @@ acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info, /* Examine each GPE Register within the block */ for (i = 0; i < gpe_block->register_count; i++) { + /* Disable all GPEs in this register */ status = acpi_hw_low_level_write(8, 0x00, @@ -250,6 +251,7 @@ acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info, /* Examine each GPE Register within the block */ for (i = 0; i < gpe_block->register_count; i++) { + /* Clear status on all GPEs in this register */ status = acpi_hw_low_level_write(8, 0xFF, diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c index e1fe7549841..95c4ccb3a37 100644 --- a/drivers/acpi/hardware/hwregs.c +++ b/drivers/acpi/hardware/hwregs.c @@ -295,6 +295,7 @@ acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags) } if (ACPI_SUCCESS(status)) { + /* Normalize the value that was read */ register_value = diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c index 89269272fd6..284a59ebcc2 100644 --- a/drivers/acpi/hardware/hwsleep.c +++ b/drivers/acpi/hardware/hwsleep.c @@ -490,6 +490,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state) ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol); if (ACPI_SUCCESS(status)) { + /* Clear SLP_EN and SLP_TYP fields */ PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask | diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c index fc10b7cb456..ef7c98e293a 100644 --- a/drivers/acpi/hardware/hwtimer.c +++ b/drivers/acpi/hardware/hwtimer.c @@ -155,6 +155,7 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed) delta_ticks = end_ticks - start_ticks; } else if (start_ticks > end_ticks) { if (0 == acpi_gbl_FADT->tmr_val_ext) { + /* 24-bit Timer */ delta_ticks = |