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Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/bus.c4
-rw-r--r--drivers/base/core.c3
-rw-r--r--drivers/base/cpu.c8
-rw-r--r--drivers/base/dd.c10
-rw-r--r--drivers/base/memory.c5
-rw-r--r--drivers/base/node.c1
-rw-r--r--drivers/base/power/runtime.c20
-rw-r--r--drivers/base/regmap/regmap-irq.c5
8 files changed, 32 insertions, 24 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index a9c23ecebc7c..df85e928b97f 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -621,7 +621,7 @@ int bus_add_driver(struct device_driver *drv)
if (drv->bus->p->drivers_autoprobe) {
error = driver_attach(drv);
if (error)
- goto out_unregister;
+ goto out_del_list;
}
module_add_driver(drv->owner, drv);
@@ -648,6 +648,8 @@ int bus_add_driver(struct device_driver *drv)
return 0;
+out_del_list:
+ klist_del(&priv->knode_bus);
out_unregister:
kobject_put(&priv->kobj);
/* drv->p is freed in driver_release() */
diff --git a/drivers/base/core.c b/drivers/base/core.c
index c0566aff5355..9a874a58d690 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -348,7 +348,8 @@ static void device_link_release_fn(struct work_struct *work)
/* Ensure that all references to the link object have been dropped. */
device_link_synchronize_removal();
- pm_runtime_release_supplier(link, true);
+ pm_runtime_release_supplier(link);
+ pm_request_idle(link->supplier);
put_device(link->consumer);
put_device(link->supplier);
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 8f1d6569564c..8ecb9f90f467 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -566,6 +566,12 @@ ssize_t __weak cpu_show_srbds(struct device *dev,
return sysfs_emit(buf, "Not affected\n");
}
+ssize_t __weak cpu_show_mmio_stale_data(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sysfs_emit(buf, "Not affected\n");
+}
+
static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL);
static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL);
static DEVICE_ATTR(spectre_v2, 0444, cpu_show_spectre_v2, NULL);
@@ -575,6 +581,7 @@ static DEVICE_ATTR(mds, 0444, cpu_show_mds, NULL);
static DEVICE_ATTR(tsx_async_abort, 0444, cpu_show_tsx_async_abort, NULL);
static DEVICE_ATTR(itlb_multihit, 0444, cpu_show_itlb_multihit, NULL);
static DEVICE_ATTR(srbds, 0444, cpu_show_srbds, NULL);
+static DEVICE_ATTR(mmio_stale_data, 0444, cpu_show_mmio_stale_data, NULL);
static struct attribute *cpu_root_vulnerabilities_attrs[] = {
&dev_attr_meltdown.attr,
@@ -586,6 +593,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = {
&dev_attr_tsx_async_abort.attr,
&dev_attr_itlb_multihit.attr,
&dev_attr_srbds.attr,
+ &dev_attr_mmio_stale_data.attr,
NULL
};
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 2728223c1fbc..f9d9f1ad9215 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -250,7 +250,6 @@ DEFINE_SHOW_ATTRIBUTE(deferred_devs);
int driver_deferred_probe_timeout;
EXPORT_SYMBOL_GPL(driver_deferred_probe_timeout);
-static DECLARE_WAIT_QUEUE_HEAD(probe_timeout_waitqueue);
static int __init deferred_probe_timeout_setup(char *str)
{
@@ -302,7 +301,6 @@ static void deferred_probe_timeout_work_func(struct work_struct *work)
list_for_each_entry(p, &deferred_probe_pending_list, deferred_probe)
dev_info(p->device, "deferred probe pending\n");
mutex_unlock(&deferred_probe_mutex);
- wake_up_all(&probe_timeout_waitqueue);
}
static DECLARE_DELAYED_WORK(deferred_probe_timeout_work, deferred_probe_timeout_work_func);
@@ -706,9 +704,6 @@ int driver_probe_done(void)
*/
void wait_for_device_probe(void)
{
- /* wait for probe timeout */
- wait_event(probe_timeout_waitqueue, !driver_deferred_probe_timeout);
-
/* wait for the deferred probe workqueue to finish */
flush_work(&deferred_probe_work);
@@ -897,6 +892,7 @@ out_unlock:
static int __device_attach(struct device *dev, bool allow_async)
{
int ret = 0;
+ bool async = false;
device_lock(dev);
if (dev->p->dead) {
@@ -935,7 +931,7 @@ static int __device_attach(struct device *dev, bool allow_async)
*/
dev_dbg(dev, "scheduling asynchronous probe\n");
get_device(dev);
- async_schedule_dev(__device_attach_async_helper, dev);
+ async = true;
} else {
pm_request_idle(dev);
}
@@ -945,6 +941,8 @@ static int __device_attach(struct device *dev, bool allow_async)
}
out_unlock:
device_unlock(dev);
+ if (async)
+ async_schedule_dev(__device_attach_async_helper, dev);
return ret;
}
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index de058d15b33e..49eb14271f28 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -560,10 +560,9 @@ int register_memory(struct memory_block *memory)
}
ret = xa_err(xa_store(&memory_blocks, memory->dev.id, memory,
GFP_KERNEL));
- if (ret) {
- put_device(&memory->dev);
+ if (ret)
device_unregister(&memory->dev);
- }
+
return ret;
}
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 21965de8538b..5f745c906c33 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -655,6 +655,7 @@ static int register_node(struct node *node, int num)
*/
void unregister_node(struct node *node)
{
+ compaction_unregister_node(node);
hugetlb_unregister_node(node); /* no-op, if memoryless node */
node_remove_accesses(node);
node_remove_caches(node);
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 157331940488..835a39e84c1d 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -308,13 +308,10 @@ static int rpm_get_suppliers(struct device *dev)
/**
* pm_runtime_release_supplier - Drop references to device link's supplier.
* @link: Target device link.
- * @check_idle: Whether or not to check if the supplier device is idle.
*
- * Drop all runtime PM references associated with @link to its supplier device
- * and if @check_idle is set, check if that device is idle (and so it can be
- * suspended).
+ * Drop all runtime PM references associated with @link to its supplier device.
*/
-void pm_runtime_release_supplier(struct device_link *link, bool check_idle)
+void pm_runtime_release_supplier(struct device_link *link)
{
struct device *supplier = link->supplier;
@@ -327,9 +324,6 @@ void pm_runtime_release_supplier(struct device_link *link, bool check_idle)
while (refcount_dec_not_one(&link->rpm_active) &&
atomic_read(&supplier->power.usage_count) > 0)
pm_runtime_put_noidle(supplier);
-
- if (check_idle)
- pm_request_idle(supplier);
}
static void __rpm_put_suppliers(struct device *dev, bool try_to_suspend)
@@ -337,8 +331,11 @@ static void __rpm_put_suppliers(struct device *dev, bool try_to_suspend)
struct device_link *link;
list_for_each_entry_rcu(link, &dev->links.suppliers, c_node,
- device_links_read_lock_held())
- pm_runtime_release_supplier(link, try_to_suspend);
+ device_links_read_lock_held()) {
+ pm_runtime_release_supplier(link);
+ if (try_to_suspend)
+ pm_request_idle(link->supplier);
+ }
}
static void rpm_put_suppliers(struct device *dev)
@@ -1776,7 +1773,8 @@ void pm_runtime_drop_link(struct device_link *link)
return;
pm_runtime_drop_link_count(link->consumer);
- pm_runtime_release_supplier(link, true);
+ pm_runtime_release_supplier(link);
+ pm_request_idle(link->supplier);
}
static bool pm_runtime_need_not_resume(struct device *dev)
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 87c5c421e0f4..4466f8bdab2e 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -220,6 +220,7 @@ static void regmap_irq_enable(struct irq_data *data)
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
struct regmap *map = d->map;
const struct regmap_irq *irq_data = irq_to_regmap_irq(d, data->hwirq);
+ unsigned int reg = irq_data->reg_offset / map->reg_stride;
unsigned int mask, type;
type = irq_data->type.type_falling_val | irq_data->type.type_rising_val;
@@ -236,14 +237,14 @@ static void regmap_irq_enable(struct irq_data *data)
* at the corresponding offset in regmap_irq_set_type().
*/
if (d->chip->type_in_mask && type)
- mask = d->type_buf[irq_data->reg_offset / map->reg_stride];
+ mask = d->type_buf[reg] & irq_data->mask;
else
mask = irq_data->mask;
if (d->chip->clear_on_unmask)
d->clear_status = true;
- d->mask_buf[irq_data->reg_offset / map->reg_stride] &= ~mask;
+ d->mask_buf[reg] &= ~mask;
}
static void regmap_irq_disable(struct irq_data *data)
generated by cgit v1.2.3 (git 2.0.4) at 2026-04-06 16:28:18 +0000