diff options
Diffstat (limited to 'drivers/base/transport_class.c')
| -rw-r--r-- | drivers/base/transport_class.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/drivers/base/transport_class.c b/drivers/base/transport_class.c index 6c2b447a333..f6c453c3816 100644 --- a/drivers/base/transport_class.c +++ b/drivers/base/transport_class.c @@ -7,7 +7,7 @@ * This file is licensed under GPLv2 * * The basic idea here is to allow any "device controller" (which - * would most often be a Host Bus Adapter" to use the services of one + * would most often be a Host Bus Adapter to use the services of one * or more tranport classes for performing transport specific * services. Transport specific services are things that the generic * command layer doesn't want to know about (speed settings, line @@ -27,6 +27,7 @@ * transport class is framed entirely in terms of generic devices to * allow it to be used by any physical HBA in the system. */ +#include <linux/export.h> #include <linux/attribute_container.h> #include <linux/transport_class.h> @@ -64,7 +65,9 @@ void transport_class_unregister(struct transport_class *tclass) } EXPORT_SYMBOL_GPL(transport_class_unregister); -static int anon_transport_dummy_function(struct device *dev) +static int anon_transport_dummy_function(struct transport_container *tc, + struct device *dev, + struct device *cdev) { /* do nothing */ return 0; @@ -106,26 +109,26 @@ EXPORT_SYMBOL_GPL(anon_transport_class_register); */ void anon_transport_class_unregister(struct anon_transport_class *atc) { - attribute_container_unregister(&atc->container); + if (unlikely(attribute_container_unregister(&atc->container))) + BUG(); } EXPORT_SYMBOL_GPL(anon_transport_class_unregister); static int transport_setup_classdev(struct attribute_container *cont, struct device *dev, - struct class_device *classdev) + struct device *classdev) { struct transport_class *tclass = class_to_transport_class(cont->class); + struct transport_container *tcont = attribute_container_to_transport_container(cont); if (tclass->setup) - tclass->setup(dev); + tclass->setup(tcont, dev, classdev); return 0; } /** - * transport_setup_device - declare a new dev for transport class association - * but don't make it visible yet. - * + * transport_setup_device - declare a new dev for transport class association but don't make it visible yet. * @dev: the generic device representing the entity being added * * Usually, dev represents some component in the HBA system (either @@ -147,7 +150,7 @@ EXPORT_SYMBOL_GPL(transport_setup_device); static int transport_add_class_device(struct attribute_container *cont, struct device *dev, - struct class_device *classdev) + struct device *classdev) { int error = attribute_container_add_class_device(classdev); struct transport_container *tcont = @@ -178,12 +181,14 @@ void transport_add_device(struct device *dev) EXPORT_SYMBOL_GPL(transport_add_device); static int transport_configure(struct attribute_container *cont, - struct device *dev) + struct device *dev, + struct device *cdev) { struct transport_class *tclass = class_to_transport_class(cont->class); + struct transport_container *tcont = attribute_container_to_transport_container(cont); if (tclass->configure) - tclass->configure(dev); + tclass->configure(tcont, dev, cdev); return 0; } @@ -202,20 +207,20 @@ static int transport_configure(struct attribute_container *cont, */ void transport_configure_device(struct device *dev) { - attribute_container_trigger(dev, transport_configure); + attribute_container_device_trigger(dev, transport_configure); } EXPORT_SYMBOL_GPL(transport_configure_device); static int transport_remove_classdev(struct attribute_container *cont, struct device *dev, - struct class_device *classdev) + struct device *classdev) { struct transport_container *tcont = attribute_container_to_transport_container(cont); struct transport_class *tclass = class_to_transport_class(cont->class); if (tclass->remove) - tclass->remove(dev); + tclass->remove(tcont, dev, classdev); if (tclass->remove != anon_transport_dummy_function) { if (tcont->statistics) @@ -247,12 +252,12 @@ EXPORT_SYMBOL_GPL(transport_remove_device); static void transport_destroy_classdev(struct attribute_container *cont, struct device *dev, - struct class_device *classdev) + struct device *classdev) { struct transport_class *tclass = class_to_transport_class(cont->class); if (tclass->remove != anon_transport_dummy_function) - class_device_put(classdev); + put_device(classdev); } |