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Date: Mon, 26 Apr 2010 20:31:07 +0100
From: Jonathan Cameron <jic23@....ac.uk>
To: iio-linux@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, gregkh@...e.de,
Jonathan Cameron <jic23@....ac.uk>
Subject: [PATCH 05/19] staging: iio: Move from class to bus
Signed-off-by: Jonathan Cameron <jic23@....ac.uk>
---
drivers/staging/iio/iio.h | 2 +-
drivers/staging/iio/industrialio-core.c | 28 +++++++++++-----------------
drivers/staging/iio/industrialio-ring.c | 2 +-
drivers/staging/iio/industrialio-trigger.c | 2 +-
drivers/staging/iio/ring_sw.c | 2 +-
5 files changed, 15 insertions(+), 21 deletions(-)
diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h
index a12072a..fcee47c 100644
--- a/drivers/staging/iio/iio.h
+++ b/drivers/staging/iio/iio.h
@@ -377,7 +377,7 @@ void iio_deallocate_chrdev(struct iio_handler *handler);
#define IIO_UNSIGNED(a) (a)
extern dev_t iio_devt;
-extern struct class iio_class;
+extern struct bus_type iio_bus_type;
/**
* iio_put_device() - reference counted deallocation of struct device
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 37f58f6..c19a080 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -42,16 +42,10 @@ dev_t iio_devt;
EXPORT_SYMBOL(iio_devt);
#define IIO_DEV_MAX 256
-static char *iio_devnode(struct device *dev, mode_t *mode)
-{
- return kasprintf(GFP_KERNEL, "iio/%s", dev_name(dev));
-}
-
-struct class iio_class = {
+struct bus_type iio_bus_type = {
.name = "iio",
- .devnode = iio_devnode,
};
-EXPORT_SYMBOL(iio_class);
+EXPORT_SYMBOL(iio_bus_type);
void __iio_change_event(struct iio_detected_event_list *ev,
int ev_code,
@@ -405,7 +399,7 @@ int iio_setup_ev_int(struct iio_event_interface *ev_int,
{
int ret, minor;
- ev_int->dev.class = &iio_class;
+ ev_int->dev.bus = &iio_bus_type;
ev_int->dev.parent = dev;
ev_int->dev.type = &iio_event_type;
device_initialize(&ev_int->dev);
@@ -478,23 +472,23 @@ static int __init iio_init(void)
{
int ret;
- /* Create sysfs class */
- ret = class_register(&iio_class);
+ /* Register sysfs bus */
+ ret = bus_register(&iio_bus_type);
if (ret < 0) {
printk(KERN_ERR
- "%s could not create sysfs class\n",
+ "%s could not register bus type\n",
__FILE__);
goto error_nothing;
}
ret = iio_dev_init();
if (ret < 0)
- goto error_unregister_class;
+ goto error_unregister_bus_type;
return 0;
-error_unregister_class:
- class_unregister(&iio_class);
+error_unregister_bus_type:
+ bus_unregister(&iio_bus_type);
error_nothing:
return ret;
}
@@ -502,7 +496,7 @@ error_nothing:
static void __exit iio_exit(void)
{
iio_dev_exit();
- class_unregister(&iio_class);
+ bus_unregister(&iio_bus_type);
}
static int iio_device_register_sysfs(struct iio_dev *dev_info)
@@ -768,7 +762,7 @@ struct iio_dev *iio_allocate_device(void)
if (dev) {
dev->dev.type = &iio_dev_type;
- dev->dev.class = &iio_class;
+ dev->dev.bus = &iio_bus_type;
device_initialize(&dev->dev);
dev_set_drvdata(&dev->dev, (void *)dev);
mutex_init(&dev->mlock);
diff --git a/drivers/staging/iio/industrialio-ring.c b/drivers/staging/iio/industrialio-ring.c
index e53e214..44d4894 100644
--- a/drivers/staging/iio/industrialio-ring.c
+++ b/drivers/staging/iio/industrialio-ring.c
@@ -210,7 +210,7 @@ __iio_request_ring_buffer_access_chrdev(struct iio_ring_buffer *buf,
buf->access_handler.flags = 0;
buf->access_dev.parent = &buf->dev;
- buf->access_dev.class = &iio_class;
+ buf->access_dev.bus = &iio_bus_type;
buf->access_dev.type = &iio_ring_access_type;
device_initialize(&buf->access_dev);
diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c
index 35ec80b..8fb2f9d 100644
--- a/drivers/staging/iio/industrialio-trigger.c
+++ b/drivers/staging/iio/industrialio-trigger.c
@@ -362,7 +362,7 @@ struct iio_trigger *iio_allocate_trigger(void)
trig = kzalloc(sizeof *trig, GFP_KERNEL);
if (trig) {
trig->dev.type = &iio_trig_type;
- trig->dev.class = &iio_class;
+ trig->dev.bus = &iio_bus_type;
device_initialize(&trig->dev);
dev_set_drvdata(&trig->dev, (void *)trig);
spin_lock_init(&trig->pollfunc_list_lock);
diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index b104c3d..3f82f2d 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -416,7 +416,7 @@ struct iio_ring_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev)
buf->dev.type = &iio_sw_ring_type;
device_initialize(&buf->dev);
buf->dev.parent = &indio_dev->dev;
- buf->dev.class = &iio_class;
+ buf->dev.bus = &iio_bus_type;
dev_set_drvdata(&buf->dev, (void *)buf);
return buf;
--
1.6.4.4
--
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