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-rw-r--r--drivers/acpi/Kconfig2
-rw-r--r--drivers/acpi/ec.c5
-rw-r--r--drivers/acpi/pci_link.c2
-rw-r--r--drivers/acpi/property.c29
-rw-r--r--drivers/acpi/sleep.c2
-rw-r--r--drivers/acpi/x86/utils.c21
6 files changed, 45 insertions, 16 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 273741dedfd2..1e34f846508f 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -302,7 +302,7 @@ config ACPI_IPMI
help
This driver enables the ACPI to access the BMC controller. And it
uses the IPMI request/response message to communicate with BMC
- controller, which can be found on on the server.
+ controller, which can be found on the server.
To compile this driver as a module, choose M here:
the module will be called as acpi_ipmi.
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 46710380a402..f039565d59ad 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -2081,8 +2081,11 @@ bool acpi_ec_dispatch_gpe(void)
*/
spin_lock_irq(&first_ec->lock);
- if (acpi_ec_gpe_status_set(first_ec))
+ if (acpi_ec_gpe_status_set(first_ec)) {
+ pm_pr_dbg("ACPI EC GPE status set\n");
+
work_in_progress = advance_transaction(first_ec, false);
+ }
spin_unlock_irq(&first_ec->lock);
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index d54fb8e54671..58647051c948 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -185,7 +185,7 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
if (!p || !p->interrupt_count) {
/*
* IRQ descriptors may have no IRQ# bits set,
- * particularly those those w/ _STA disabled
+ * particularly those w/ _STA disabled
*/
pr_debug("Blank _CRS IRQ resource\n");
return AE_OK;
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index d0986bda2964..12bbfe833609 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -541,7 +541,8 @@ acpi_device_data_of_node(const struct fwnode_handle *fwnode)
if (is_acpi_device_node(fwnode)) {
const struct acpi_device *adev = to_acpi_device_node(fwnode);
return &adev->data;
- } else if (is_acpi_data_node(fwnode)) {
+ }
+ if (is_acpi_data_node(fwnode)) {
const struct acpi_data_node *dn = to_acpi_data_node(fwnode);
return &dn->data;
}
@@ -685,7 +686,7 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
*/
if (obj->type == ACPI_TYPE_LOCAL_REFERENCE) {
if (index)
- return -EINVAL;
+ return -ENOENT;
device = acpi_fetch_acpi_dev(obj->reference.handle);
if (!device)
@@ -739,14 +740,19 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
return -EINVAL;
}
- /* assume following integer elements are all args */
+ /*
+ * Assume the following integer elements are all args.
+ * Stop counting on the first reference or end of the
+ * package arguments. In case of neither reference,
+ * nor integer, return an error, we can't parse it.
+ */
for (i = 0; element + i < end && i < num_args; i++) {
int type = element[i].type;
+ if (type == ACPI_TYPE_LOCAL_REFERENCE)
+ break;
if (type == ACPI_TYPE_INTEGER)
nargs++;
- else if (type == ACPI_TYPE_LOCAL_REFERENCE)
- break;
else
return -EINVAL;
}
@@ -950,7 +956,7 @@ static int acpi_data_prop_read(const struct acpi_device_data *data,
if (proptype != DEV_PROP_STRING && nval > obj->package.count)
return -EOVERFLOW;
- else if (nval <= 0)
+ if (nval == 0)
return -EINVAL;
items = obj->package.elements;
@@ -1012,14 +1018,10 @@ struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
const struct list_head *head;
struct list_head *next;
- if (!child || is_acpi_device_node(child)) {
+ if ((!child || is_acpi_device_node(child)) && adev) {
struct acpi_device *child_adev;
- if (adev)
- head = &adev->children;
- else
- goto nondev;
-
+ head = &adev->children;
if (list_empty(head))
goto nondev;
@@ -1089,7 +1091,8 @@ acpi_node_get_parent(const struct fwnode_handle *fwnode)
if (is_acpi_data_node(fwnode)) {
/* All data nodes have parent pointer so just return that */
return to_acpi_data_node(fwnode)->parent;
- } else if (is_acpi_device_node(fwnode)) {
+ }
+ if (is_acpi_device_node(fwnode)) {
struct device *dev = to_acpi_device_node(fwnode)->dev.parent;
if (dev)
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index d4fbea91ab6b..d068ff42fce4 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -758,6 +758,8 @@ bool acpi_s2idle_wake(void)
return true;
}
+ pm_pr_dbg("Rearming ACPI SCI for wakeup\n");
+
pm_wakeup_clear(acpi_sci_irq);
rearm_wake_irq(acpi_sci_irq);
}
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
index ffdeed5334d6..664070fc8349 100644
--- a/drivers/acpi/x86/utils.c
+++ b/drivers/acpi/x86/utils.c
@@ -285,6 +285,27 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
},
{
+ /* Lenovo Yoga Tablet 1050F/L */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
+ DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
+ /* Partial match on beginning of BIOS version */
+ DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21"),
+ },
+ .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
+ ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
+ },
+ {
+ /* Nextbook Ares 8 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "M890BAP"),
+ },
+ .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
+ ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
+ },
+ {
/* Whitelabel (sold as various brands) TM800A550L */
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),