7 files changed, 156 insertions, 26 deletions

diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 19dacfd43163..62122134693b 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -31,7 +31,7 @@
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
-#define ACPI_PROCESSOR_AGGREGATOR_CLASS "processor_aggregator"
+#define ACPI_PROCESSOR_AGGREGATOR_CLASS "acpi_pad"
 #define ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME "Processor Aggregator"
 #define ACPI_PROCESSOR_AGGREGATOR_NOTIFY 0x80
 static DEFINE_MUTEX(isolated_cpus_lock);
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 37132dc2da03..743576bf1bd7 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -527,7 +527,7 @@ int acpi_bus_generate_proc_event4(const char *device_class, const char *bus_id,
         if (!event_is_open)
                 return 0;
 
-        event = kmalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC);
+        event = kzalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC);
         if (!event)
                 return -ENOMEM;
 
diff --git a/drivers/acpi/hest.c b/drivers/acpi/hest.c
index 4bb18c980ac6..1c527a192872 100644
--- a/drivers/acpi/hest.c
+++ b/drivers/acpi/hest.c
@@ -123,6 +123,10 @@ int acpi_hest_firmware_first_pci(struct pci_dev *pci)
 {
         acpi_status status = AE_NOT_FOUND;
         struct acpi_table_header *hest = NULL;
+
+        if (acpi_disabled)
+                return 0;
+
         status = acpi_get_table(ACPI_SIG_HEST, 1, &hest);
 
         if (ACPI_SUCCESS(status)) {
diff --git a/drivers/acpi/power_meter.c b/drivers/acpi/power_meter.c
index e8c32a49f14e..66f67293341e 100644
--- a/drivers/acpi/power_meter.c
+++ b/drivers/acpi/power_meter.c
@@ -35,7 +35,7 @@
 #define ACPI_POWER_METER_NAME           "power_meter"
 ACPI_MODULE_NAME(ACPI_POWER_METER_NAME);
 #define ACPI_POWER_METER_DEVICE_NAME    "Power Meter"
-#define ACPI_POWER_METER_CLASS          "power_meter_resource"
+#define ACPI_POWER_METER_CLASS          "pwr_meter_resource"
 
 #define NUM_SENSORS                     17
 
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 36704b887ccf..f8be23b6c129 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -18,7 +18,7 @@
 
 #define PREFIX "ACPI: "
 
-#define ACPI_SMB_HC_CLASS       "smbus_host_controller"
+#define ACPI_SMB_HC_CLASS       "smbus_host_ctl"
 #define ACPI_SMB_HC_DEVICE_NAME "ACPI SMBus HC"
 
 struct acpi_smb_hc {
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index f74834a544fd..e2e992599e68 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -450,6 +450,126 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
                 },
         },
         {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad T410",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T410"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad T510",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T510"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad W510",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W510"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad X201",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad X201",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201s"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad T410",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T410"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad T510",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T510"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad W510",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W510"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad X201",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad X201",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201s"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad T410",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T410"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad T510",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T510"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad W510",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W510"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad X201",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad X201",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201s"),
+                },
+        },
+        {
         .callback = init_old_suspend_ordering,
         .ident = "Panasonic CF51-2L",
         .matches = {
@@ -458,6 +578,30 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
                 DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
                 },
         },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Dell Studio 1558",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1558"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Dell Studio 1557",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1557"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Dell Studio 1555",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1555"),
+                },
+        },
         {},
 };
 #endif /* CONFIG_SUSPEND */
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 35bb44af49b3..100e4d9372f1 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -274,26 +274,6 @@ static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev,
         pnp_add_bus_resource(dev, start, end);
 }
 
-static u64 addr_space_length(struct pnp_dev *dev, u64 min, u64 max, u64 len)
-{
-        u64 max_len;
-
-        max_len = max - min + 1;
-        if (len <= max_len)
-                return len;
-
-        /*
-         * Per 6.4.3.5, _LEN cannot exceed _MAX - _MIN + 1, but some BIOSes
-         * don't do this correctly, e.g.,
-         * https://bugzilla.kernel.org/show_bug.cgi?id=15480
-         */
-        dev_info(&dev->dev,
-                 "resource length %#llx doesn't fit in %#llx-%#llx, trimming\n",
-                 (unsigned long long) len, (unsigned long long) min,
-                 (unsigned long long) max);
-        return max_len;
-}
-
 static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
                                                   struct acpi_resource *res)
 {
@@ -309,7 +289,8 @@ static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
                 return;
         }
 
-        len = addr_space_length(dev, p->minimum, p->maximum, p->address_length);
+        /* Windows apparently computes length rather than using _LEN */
+        len = p->maximum - p->minimum + 1;
         window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
 
         if (p->resource_type == ACPI_MEMORY_RANGE)
@@ -330,7 +311,8 @@ static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
         int window;
         u64 len;
 
-        len = addr_space_length(dev, p->minimum, p->maximum, p->address_length);
+        /* Windows apparently computes length rather than using _LEN */
+        len = p->maximum - p->minimum + 1;
         window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
 
         if (p->resource_type == ACPI_MEMORY_RANGE)