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| author | Sebastian Reichel <sre@kernel.org> | 2016-04-30 18:08:06 +0200 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2016-06-28 00:38:53 +0200 |
| commit | de5a3774dde2c2f3b3a9a48b880fd820142706f0 (patch) | |
| tree | a027d983a7e5cfab9e4e48673952e33247622a02 | |
| parent | 2083057aacecbd79ed73670763f07e6e7c1acd66 (diff) | |
| download | lwn-de5a3774dde2c2f3b3a9a48b880fd820142706f0.tar.gz lwn-de5a3774dde2c2f3b3a9a48b880fd820142706f0.zip | |
HSI: core: switch port event notifier from atomic to blocking
port events should be sent from process context after
irq_safe runtime pm flag is removed in omap-ssi.
Signed-off-By: Sebastian Reichel <sre@kernel.org>
Tested-by: Pavel Machek <pavel@ucw.cz>
| -rw-r--r-- | drivers/hsi/hsi_core.c | 8 | ||||
| -rw-r--r-- | include/linux/hsi/hsi.h | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/hsi/hsi_core.c b/drivers/hsi/hsi_core.c index d7ce07ad67f3..c2a2a9795b0b 100644 --- a/drivers/hsi/hsi_core.c +++ b/drivers/hsi/hsi_core.c @@ -507,7 +507,7 @@ struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags) port[i]->stop_tx = hsi_dummy_cl; port[i]->release = hsi_dummy_cl; mutex_init(&port[i]->lock); - ATOMIC_INIT_NOTIFIER_HEAD(&port[i]->n_head); + BLOCKING_INIT_NOTIFIER_HEAD(&port[i]->n_head); dev_set_name(&port[i]->device, "port%d", i); hsi->port[i]->device.release = hsi_port_release; device_initialize(&hsi->port[i]->device); @@ -689,7 +689,7 @@ int hsi_register_port_event(struct hsi_client *cl, cl->ehandler = handler; cl->nb.notifier_call = hsi_event_notifier_call; - return atomic_notifier_chain_register(&port->n_head, &cl->nb); + return blocking_notifier_chain_register(&port->n_head, &cl->nb); } EXPORT_SYMBOL_GPL(hsi_register_port_event); @@ -709,7 +709,7 @@ int hsi_unregister_port_event(struct hsi_client *cl) WARN_ON(!hsi_port_claimed(cl)); - err = atomic_notifier_chain_unregister(&port->n_head, &cl->nb); + err = blocking_notifier_chain_unregister(&port->n_head, &cl->nb); if (!err) cl->ehandler = NULL; @@ -734,7 +734,7 @@ EXPORT_SYMBOL_GPL(hsi_unregister_port_event); */ int hsi_event(struct hsi_port *port, unsigned long event) { - return atomic_notifier_call_chain(&port->n_head, event, NULL); + return blocking_notifier_call_chain(&port->n_head, event, NULL); } EXPORT_SYMBOL_GPL(hsi_event); diff --git a/include/linux/hsi/hsi.h b/include/linux/hsi/hsi.h index 2790591c77cf..57402544b53f 100644 --- a/include/linux/hsi/hsi.h +++ b/include/linux/hsi/hsi.h @@ -246,7 +246,7 @@ struct hsi_port { int (*stop_tx)(struct hsi_client *cl); int (*release)(struct hsi_client *cl); /* private */ - struct atomic_notifier_head n_head; + struct blocking_notifier_head n_head; }; #define to_hsi_port(dev) container_of(dev, struct hsi_port, device) |