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path: root/drivers/base/core.c
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Diffstat (limited to 'drivers/base/core.c')
-rw-r--r--drivers/base/core.c81
1 files changed, 42 insertions, 39 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index cbc0099d8ef2..d22d6b23e758 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -460,9 +460,9 @@ static ssize_t auto_remove_on_show(struct device *dev,
struct device_link *link = to_devlink(dev);
const char *output;
- if (link->flags & DL_FLAG_AUTOREMOVE_SUPPLIER)
+ if (device_link_test(link, DL_FLAG_AUTOREMOVE_SUPPLIER))
output = "supplier unbind";
- else if (link->flags & DL_FLAG_AUTOREMOVE_CONSUMER)
+ else if (device_link_test(link, DL_FLAG_AUTOREMOVE_CONSUMER))
output = "consumer unbind";
else
output = "never";
@@ -476,7 +476,7 @@ static ssize_t runtime_pm_show(struct device *dev,
{
struct device_link *link = to_devlink(dev);
- return sysfs_emit(buf, "%d\n", !!(link->flags & DL_FLAG_PM_RUNTIME));
+ return sysfs_emit(buf, "%d\n", device_link_test(link, DL_FLAG_PM_RUNTIME));
}
static DEVICE_ATTR_RO(runtime_pm);
@@ -485,8 +485,7 @@ static ssize_t sync_state_only_show(struct device *dev,
{
struct device_link *link = to_devlink(dev);
- return sysfs_emit(buf, "%d\n",
- !!(link->flags & DL_FLAG_SYNC_STATE_ONLY));
+ return sysfs_emit(buf, "%d\n", device_link_test(link, DL_FLAG_SYNC_STATE_ONLY));
}
static DEVICE_ATTR_RO(sync_state_only);
@@ -792,12 +791,12 @@ struct device_link *device_link_add(struct device *consumer,
if (link->consumer != consumer)
continue;
- if (link->flags & DL_FLAG_INFERRED &&
+ if (device_link_test(link, DL_FLAG_INFERRED) &&
!(flags & DL_FLAG_INFERRED))
link->flags &= ~DL_FLAG_INFERRED;
if (flags & DL_FLAG_PM_RUNTIME) {
- if (!(link->flags & DL_FLAG_PM_RUNTIME)) {
+ if (!device_link_test(link, DL_FLAG_PM_RUNTIME)) {
pm_runtime_new_link(consumer);
link->flags |= DL_FLAG_PM_RUNTIME;
}
@@ -807,8 +806,8 @@ struct device_link *device_link_add(struct device *consumer,
if (flags & DL_FLAG_STATELESS) {
kref_get(&link->kref);
- if (link->flags & DL_FLAG_SYNC_STATE_ONLY &&
- !(link->flags & DL_FLAG_STATELESS)) {
+ if (device_link_test(link, DL_FLAG_SYNC_STATE_ONLY) &&
+ !device_link_test(link, DL_FLAG_STATELESS)) {
link->flags |= DL_FLAG_STATELESS;
goto reorder;
} else {
@@ -823,7 +822,7 @@ struct device_link *device_link_add(struct device *consumer,
* update the existing link to stay around longer.
*/
if (flags & DL_FLAG_AUTOREMOVE_SUPPLIER) {
- if (link->flags & DL_FLAG_AUTOREMOVE_CONSUMER) {
+ if (device_link_test(link, DL_FLAG_AUTOREMOVE_CONSUMER)) {
link->flags &= ~DL_FLAG_AUTOREMOVE_CONSUMER;
link->flags |= DL_FLAG_AUTOREMOVE_SUPPLIER;
}
@@ -831,12 +830,12 @@ struct device_link *device_link_add(struct device *consumer,
link->flags &= ~(DL_FLAG_AUTOREMOVE_CONSUMER |
DL_FLAG_AUTOREMOVE_SUPPLIER);
}
- if (!(link->flags & DL_FLAG_MANAGED)) {
+ if (!device_link_test(link, DL_FLAG_MANAGED)) {
kref_get(&link->kref);
link->flags |= DL_FLAG_MANAGED;
device_link_init_status(link, consumer, supplier);
}
- if (link->flags & DL_FLAG_SYNC_STATE_ONLY &&
+ if (device_link_test(link, DL_FLAG_SYNC_STATE_ONLY) &&
!(flags & DL_FLAG_SYNC_STATE_ONLY)) {
link->flags &= ~DL_FLAG_SYNC_STATE_ONLY;
goto reorder;
@@ -940,7 +939,7 @@ static void __device_link_del(struct kref *kref)
static void device_link_put_kref(struct device_link *link)
{
- if (link->flags & DL_FLAG_STATELESS)
+ if (device_link_test(link, DL_FLAG_STATELESS))
kref_put(&link->kref, __device_link_del);
else if (!device_is_registered(link->consumer))
__device_link_del(&link->kref);
@@ -1004,7 +1003,7 @@ static void device_links_missing_supplier(struct device *dev)
if (link->supplier->links.status == DL_DEV_DRIVER_BOUND) {
WRITE_ONCE(link->status, DL_STATE_AVAILABLE);
} else {
- WARN_ON(!(link->flags & DL_FLAG_SYNC_STATE_ONLY));
+ WARN_ON(!device_link_test(link, DL_FLAG_SYNC_STATE_ONLY));
WRITE_ONCE(link->status, DL_STATE_DORMANT);
}
}
@@ -1072,14 +1071,14 @@ int device_links_check_suppliers(struct device *dev)
device_links_write_lock();
list_for_each_entry(link, &dev->links.suppliers, c_node) {
- if (!(link->flags & DL_FLAG_MANAGED))
+ if (!device_link_test(link, DL_FLAG_MANAGED))
continue;
if (link->status != DL_STATE_AVAILABLE &&
- !(link->flags & DL_FLAG_SYNC_STATE_ONLY)) {
+ !device_link_test(link, DL_FLAG_SYNC_STATE_ONLY)) {
if (dev_is_best_effort(dev) &&
- link->flags & DL_FLAG_INFERRED &&
+ device_link_test(link, DL_FLAG_INFERRED) &&
!link->supplier->can_match) {
ret = -EAGAIN;
continue;
@@ -1128,7 +1127,7 @@ static void __device_links_queue_sync_state(struct device *dev,
return;
list_for_each_entry(link, &dev->links.consumers, s_node) {
- if (!(link->flags & DL_FLAG_MANAGED))
+ if (!device_link_test(link, DL_FLAG_MANAGED))
continue;
if (link->status != DL_STATE_ACTIVE)
return;
@@ -1268,7 +1267,7 @@ void device_links_force_bind(struct device *dev)
device_links_write_lock();
list_for_each_entry_safe(link, ln, &dev->links.suppliers, c_node) {
- if (!(link->flags & DL_FLAG_MANAGED))
+ if (!device_link_test(link, DL_FLAG_MANAGED))
continue;
if (link->status != DL_STATE_AVAILABLE) {
@@ -1329,7 +1328,7 @@ void device_links_driver_bound(struct device *dev)
device_links_write_lock();
list_for_each_entry(link, &dev->links.consumers, s_node) {
- if (!(link->flags & DL_FLAG_MANAGED))
+ if (!device_link_test(link, DL_FLAG_MANAGED))
continue;
/*
@@ -1345,7 +1344,7 @@ void device_links_driver_bound(struct device *dev)
WARN_ON(link->status != DL_STATE_DORMANT);
WRITE_ONCE(link->status, DL_STATE_AVAILABLE);
- if (link->flags & DL_FLAG_AUTOPROBE_CONSUMER)
+ if (device_link_test(link, DL_FLAG_AUTOPROBE_CONSUMER))
driver_deferred_probe_add(link->consumer);
}
@@ -1357,11 +1356,11 @@ void device_links_driver_bound(struct device *dev)
list_for_each_entry_safe(link, ln, &dev->links.suppliers, c_node) {
struct device *supplier;
- if (!(link->flags & DL_FLAG_MANAGED))
+ if (!device_link_test(link, DL_FLAG_MANAGED))
continue;
supplier = link->supplier;
- if (link->flags & DL_FLAG_SYNC_STATE_ONLY) {
+ if (device_link_test(link, DL_FLAG_SYNC_STATE_ONLY)) {
/*
* When DL_FLAG_SYNC_STATE_ONLY is set, it means no
* other DL_MANAGED_LINK_FLAGS have been set. So, it's
@@ -1369,7 +1368,7 @@ void device_links_driver_bound(struct device *dev)
*/
device_link_drop_managed(link);
} else if (dev_is_best_effort(dev) &&
- link->flags & DL_FLAG_INFERRED &&
+ device_link_test(link, DL_FLAG_INFERRED) &&
link->status != DL_STATE_CONSUMER_PROBE &&
!link->supplier->can_match) {
/*
@@ -1421,10 +1420,10 @@ static void __device_links_no_driver(struct device *dev)
struct device_link *link, *ln;
list_for_each_entry_safe_reverse(link, ln, &dev->links.suppliers, c_node) {
- if (!(link->flags & DL_FLAG_MANAGED))
+ if (!device_link_test(link, DL_FLAG_MANAGED))
continue;
- if (link->flags & DL_FLAG_AUTOREMOVE_CONSUMER) {
+ if (device_link_test(link, DL_FLAG_AUTOREMOVE_CONSUMER)) {
device_link_drop_managed(link);
continue;
}
@@ -1436,7 +1435,7 @@ static void __device_links_no_driver(struct device *dev)
if (link->supplier->links.status == DL_DEV_DRIVER_BOUND) {
WRITE_ONCE(link->status, DL_STATE_AVAILABLE);
} else {
- WARN_ON(!(link->flags & DL_FLAG_SYNC_STATE_ONLY));
+ WARN_ON(!device_link_test(link, DL_FLAG_SYNC_STATE_ONLY));
WRITE_ONCE(link->status, DL_STATE_DORMANT);
}
}
@@ -1461,7 +1460,7 @@ void device_links_no_driver(struct device *dev)
device_links_write_lock();
list_for_each_entry(link, &dev->links.consumers, s_node) {
- if (!(link->flags & DL_FLAG_MANAGED))
+ if (!device_link_test(link, DL_FLAG_MANAGED))
continue;
/*
@@ -1498,10 +1497,10 @@ void device_links_driver_cleanup(struct device *dev)
device_links_write_lock();
list_for_each_entry_safe(link, ln, &dev->links.consumers, s_node) {
- if (!(link->flags & DL_FLAG_MANAGED))
+ if (!device_link_test(link, DL_FLAG_MANAGED))
continue;
- WARN_ON(link->flags & DL_FLAG_AUTOREMOVE_CONSUMER);
+ WARN_ON(device_link_test(link, DL_FLAG_AUTOREMOVE_CONSUMER));
WARN_ON(link->status != DL_STATE_SUPPLIER_UNBIND);
/*
@@ -1510,7 +1509,7 @@ void device_links_driver_cleanup(struct device *dev)
* has moved to DL_STATE_SUPPLIER_UNBIND.
*/
if (link->status == DL_STATE_SUPPLIER_UNBIND &&
- link->flags & DL_FLAG_AUTOREMOVE_SUPPLIER)
+ device_link_test(link, DL_FLAG_AUTOREMOVE_SUPPLIER))
device_link_drop_managed(link);
WRITE_ONCE(link->status, DL_STATE_DORMANT);
@@ -1544,7 +1543,7 @@ bool device_links_busy(struct device *dev)
device_links_write_lock();
list_for_each_entry(link, &dev->links.consumers, s_node) {
- if (!(link->flags & DL_FLAG_MANAGED))
+ if (!device_link_test(link, DL_FLAG_MANAGED))
continue;
if (link->status == DL_STATE_CONSUMER_PROBE
@@ -1586,8 +1585,8 @@ void device_links_unbind_consumers(struct device *dev)
list_for_each_entry(link, &dev->links.consumers, s_node) {
enum device_link_state status;
- if (!(link->flags & DL_FLAG_MANAGED) ||
- link->flags & DL_FLAG_SYNC_STATE_ONLY)
+ if (!device_link_test(link, DL_FLAG_MANAGED) ||
+ device_link_test(link, DL_FLAG_SYNC_STATE_ONLY))
continue;
status = link->status;
@@ -1743,7 +1742,7 @@ static void fw_devlink_parse_fwtree(struct fwnode_handle *fwnode)
static void fw_devlink_relax_link(struct device_link *link)
{
- if (!(link->flags & DL_FLAG_INFERRED))
+ if (!device_link_test(link, DL_FLAG_INFERRED))
return;
if (device_link_flag_is_sync_state_only(link->flags))
@@ -1779,7 +1778,7 @@ static int fw_devlink_dev_sync_state(struct device *dev, void *data)
struct device_link *link = to_devlink(dev);
struct device *sup = link->supplier;
- if (!(link->flags & DL_FLAG_MANAGED) ||
+ if (!device_link_test(link, DL_FLAG_MANAGED) ||
link->status == DL_STATE_ACTIVE || sup->state_synced ||
!dev_has_sync_state(sup))
return 0;
@@ -1881,8 +1880,6 @@ static void fw_devlink_unblock_consumers(struct device *dev)
device_links_write_unlock();
}
-#define get_dev_from_fwnode(fwnode) get_device((fwnode)->dev)
-
static bool fwnode_init_without_drv(struct fwnode_handle *fwnode)
{
struct device *dev;
@@ -2063,7 +2060,7 @@ static bool __fw_devlink_relax_cycles(struct fwnode_handle *con_handle,
* such due to a cycle.
*/
if (device_link_flag_is_sync_state_only(dev_link->flags) &&
- !(dev_link->flags & DL_FLAG_CYCLE))
+ !device_link_test(dev_link, DL_FLAG_CYCLE))
continue;
if (__fw_devlink_relax_cycles(con_handle,
@@ -5281,6 +5278,12 @@ void device_set_node(struct device *dev, struct fwnode_handle *fwnode)
}
EXPORT_SYMBOL_GPL(device_set_node);
+struct device *get_dev_from_fwnode(struct fwnode_handle *fwnode)
+{
+ return get_device((fwnode)->dev);
+}
+EXPORT_SYMBOL_GPL(get_dev_from_fwnode);
+
int device_match_name(struct device *dev, const void *name)
{
return sysfs_streq(dev_name(dev), name);