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-rw-r--r--drivers/base/core.c26
-rw-r--r--drivers/base/power/wakeirq.c4
2 files changed, 26 insertions, 4 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 3078f44dc..8d87808cd 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -56,6 +56,7 @@ static bool fw_devlink_is_permissive(void);
static void __fw_devlink_link_to_consumers(struct device *dev);
static bool fw_devlink_drv_reg_done;
static bool fw_devlink_best_effort;
+static struct workqueue_struct *device_link_wq;
/**
* __fwnode_link_add - Create a link between two fwnode_handles.
@@ -585,12 +586,26 @@ static void devlink_dev_release(struct device *dev)
/*
* It may take a while to complete this work because of the SRCU
* synchronization in device_link_release_fn() and if the consumer or
- * supplier devices get deleted when it runs, so put it into the "long"
- * workqueue.
+ * supplier devices get deleted when it runs, so put it into the
+ * dedicated workqueue.
*/
- queue_work(system_long_wq, &link->rm_work);
+ queue_work(device_link_wq, &link->rm_work);
}
+/**
+ * device_link_wait_removal - Wait for ongoing devlink removal jobs to terminate
+ */
+void device_link_wait_removal(void)
+{
+ /*
+ * devlink removal jobs are queued in the dedicated work queue.
+ * To be sure that all removal jobs are terminated, ensure that any
+ * scheduled work has run to completion.
+ */
+ flush_workqueue(device_link_wq);
+}
+EXPORT_SYMBOL_GPL(device_link_wait_removal);
+
static struct class devlink_class = {
.name = "devlink",
.owner = THIS_MODULE,
@@ -4132,9 +4147,14 @@ int __init devices_init(void)
sysfs_dev_char_kobj = kobject_create_and_add("char", dev_kobj);
if (!sysfs_dev_char_kobj)
goto char_kobj_err;
+ device_link_wq = alloc_workqueue("device_link_wq", 0, 0);
+ if (!device_link_wq)
+ goto wq_err;
return 0;
+ wq_err:
+ kobject_put(sysfs_dev_char_kobj);
char_kobj_err:
kobject_put(sysfs_dev_block_kobj);
block_kobj_err:
diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c
index afd094dec..ca0c092ba 100644
--- a/drivers/base/power/wakeirq.c
+++ b/drivers/base/power/wakeirq.c
@@ -362,8 +362,10 @@ void dev_pm_enable_wake_irq_complete(struct device *dev)
return;
if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED &&
- wirq->status & WAKE_IRQ_DEDICATED_REVERSE)
+ wirq->status & WAKE_IRQ_DEDICATED_REVERSE) {
enable_irq(wirq->irq);
+ wirq->status |= WAKE_IRQ_DEDICATED_ENABLED;
+ }
}
/**