A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 03:01:39 -04:00
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Merge branch 'i2c-mux/for-next' of https://github.com/peda-r/i2c-mux into i2c/for-4.15

Browse source 
This cycle has been real quiet for me. There's only the one trivial
patch that somewhat simplifies DT parsing in the i2c-mux-reg driver.
This commit is contained in:
Wolfram Sang 2017-10-26 22:24:15 +02:00
commit 3990bedea6
642 changed files with 5946 additions and 3634 deletions
Download patch file Download diff file Expand all files Collapse all files

35
drivers/acpi/arm64/iort.c
View file

@ -1178,12 +1178,44 @@ dev_put:
return ret;
}
static bool __init iort_enable_acs(struct acpi_iort_node *iort_node)
{
if (iort_node->type == ACPI_IORT_NODE_PCI_ROOT_COMPLEX) {
struct acpi_iort_node *parent;
struct acpi_iort_id_mapping *map;
int i;
map = ACPI_ADD_PTR(struct acpi_iort_id_mapping, iort_node,
iort_node->mapping_offset);
for (i = 0; i < iort_node->mapping_count; i++, map++) {
if (!map->output_reference)
continue;
parent = ACPI_ADD_PTR(struct acpi_iort_node,
iort_table, map->output_reference);
/*
* If we detect a RC->SMMU mapping, make sure
* we enable ACS on the system.
*/
if ((parent->type == ACPI_IORT_NODE_SMMU) ||
(parent->type == ACPI_IORT_NODE_SMMU_V3)) {
pci_request_acs();
return true;
}
}
}
return false;
}
static void __init iort_init_platform_devices(void)
{
struct acpi_iort_node *iort_node, *iort_end;
struct acpi_table_iort *iort;
struct fwnode_handle *fwnode;
int i, ret;
bool acs_enabled = false;
/*
* iort_table and iort both point to the start of IORT table, but
@ -1203,6 +1235,9 @@ static void __init iort_init_platform_devices(void)
return;
}
if (!acs_enabled)
acs_enabled = iort_enable_acs(iort_node);
if ((iort_node->type == ACPI_IORT_NODE_SMMU) ||
(iort_node->type == ACPI_IORT_NODE_SMMU_V3)) {

29
drivers/acpi/property.c
View file

@ -571,10 +571,9 @@ static int acpi_data_get_property_array(const struct acpi_device_data *data,
* }
* }
*
* Calling this function with index %2 return %-ENOENT and with index %3
* returns the last entry. If the property does not contain any more values
* %-ENODATA is returned. The NULL entry must be single integer and
* preferably contain value %0.
* Calling this function with index %2 or index %3 return %-ENOENT. If the
* property does not contain any more values %-ENOENT is returned. The NULL
* entry must be single integer and preferably contain value %0.
*
* Return: %0 on success, negative error code on failure.
*/
@ -590,11 +589,11 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
data = acpi_device_data_of_node(fwnode);
if (!data)
return -EINVAL;
return -ENOENT;
ret = acpi_data_get_property(data, propname, ACPI_TYPE_ANY, &obj);
if (ret)
return ret;
return ret == -EINVAL ? -ENOENT : -EINVAL;
/*
* The simplest case is when the value is a single reference. Just
@ -606,7 +605,7 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
ret = acpi_bus_get_device(obj->reference.handle, &device);
if (ret)
return ret;
return ret == -ENODEV ? -EINVAL : ret;
args->adev = device;
args->nargs = 0;
@ -622,8 +621,10 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
* The index argument is then used to determine which reference
* the caller wants (along with the arguments).
*/
if (obj->type != ACPI_TYPE_PACKAGE || index >= obj->package.count)
return -EPROTO;
if (obj->type != ACPI_TYPE_PACKAGE)
return -EINVAL;
if (index >= obj->package.count)
return -ENOENT;
element = obj->package.elements;
end = element + obj->package.count;
@ -635,7 +636,7 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
ret = acpi_bus_get_device(element->reference.handle,
&device);
if (ret)
return -ENODEV;
return -EINVAL;
nargs = 0;
element++;
@ -649,11 +650,11 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
else if (type == ACPI_TYPE_LOCAL_REFERENCE)
break;
else
return -EPROTO;
return -EINVAL;
}
if (nargs > MAX_ACPI_REFERENCE_ARGS)
return -EPROTO;
return -EINVAL;
if (idx == index) {
args->adev = device;
@ -670,13 +671,13 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
return -ENOENT;
element++;
} else {
return -EPROTO;
return -EINVAL;
}
idx++;
}
return -ENODATA;
return -ENOENT;
}
EXPORT_SYMBOL_GPL(__acpi_node_get_property_reference);