diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/device_pm.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/resource.c | 24 |
2 files changed, 16 insertions, 10 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 717afcdb5f4a..88dbbb115285 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -231,7 +231,7 @@ int acpi_device_set_power(struct acpi_device *device, int state) dev_warn(&device->dev, "Failed to change power state to %s\n", acpi_power_state_string(state)); } else { - device->power.state = state; + device->power.state = target_state; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] transitioned to %s\n", device->pnp.bus_id, diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 8244f013f210..f1c966e05078 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -193,6 +193,7 @@ static bool acpi_decode_space(struct resource_win *win, u8 iodec = attr->granularity == 0xfff ? ACPI_DECODE_10 : ACPI_DECODE_16; bool wp = addr->info.mem.write_protect; u64 len = attr->address_length; + u64 start, end, offset = 0; struct resource *res = &win->res; /* @@ -204,9 +205,6 @@ static bool acpi_decode_space(struct resource_win *win, pr_debug("ACPI: Invalid address space min_addr_fix %d, max_addr_fix %d, len %llx\n", addr->min_address_fixed, addr->max_address_fixed, len); - res->start = attr->minimum; - res->end = attr->maximum; - /* * For bridges that translate addresses across the bridge, * translation_offset is the offset that must be added to the @@ -214,12 +212,22 @@ static bool acpi_decode_space(struct resource_win *win, * primary side. Non-bridge devices must list 0 for all Address * Translation offset bits. */ - if (addr->producer_consumer == ACPI_PRODUCER) { - res->start += attr->translation_offset; - res->end += attr->translation_offset; - } else if (attr->translation_offset) { + if (addr->producer_consumer == ACPI_PRODUCER) + offset = attr->translation_offset; + else if (attr->translation_offset) pr_debug("ACPI: translation_offset(%lld) is invalid for non-bridge device.\n", attr->translation_offset); + start = attr->minimum + offset; + end = attr->maximum + offset; + + win->offset = offset; + res->start = start; + res->end = end; + if (sizeof(resource_size_t) < sizeof(u64) && + (offset != win->offset || start != res->start || end != res->end)) { + pr_warn("acpi resource window ([%#llx-%#llx] ignored, not CPU addressable)\n", + attr->minimum, attr->maximum); + return false; } switch (addr->resource_type) { @@ -236,8 +244,6 @@ static bool acpi_decode_space(struct resource_win *win, return false; } - win->offset = attr->translation_offset; - if (addr->producer_consumer == ACPI_PRODUCER) res->flags |= IORESOURCE_WINDOW; |
