[PATCH] Driver core: pass interface to class interface methods

From: Greg KH
Date: Fri Oct 28 2005 - 01:44:18 EST


[PATCH] Driver core: pass interface to class interface methods

Driver core: pass interface to class intreface methods

Pass interface as argument to add() and remove() class interface
methods. This way a subsystem can implement generic add/remove
handlers and then call interface-specific ones.

Signed-off-by: Dmitry Torokhov <dtor@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
commit 6f5ace97359fa038cffb977dcf057764197f0df5
tree 704698b1aea6b88af22a5c3cf7f81e2dc9d4b313
parent b02f028de21efe6ba60d1896462a219f1356ea34
author Dmitry Torokhov <dtor_core@xxxxxxxxxxxxx> Thu, 15 Sep 2005 02:01:36 -0500
committer Greg Kroah-Hartman <gregkh@xxxxxxx> Thu, 27 Oct 2005 22:48:00 -0700

drivers/base/class.c | 8 ++++----
drivers/pcmcia/ds.c | 6 ++++--
drivers/pcmcia/rsrc_nonstatic.c | 6 ++++--
drivers/pcmcia/socket_sysfs.c | 6 ++++--
drivers/scsi/sg.c | 8 ++++----
include/linux/device.h | 4 ++--
6 files changed, 22 insertions(+), 16 deletions(-)

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 8df58c5..73d44cf 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -532,7 +532,7 @@ int class_device_add(struct class_device
list_add_tail(&class_dev->node, &parent->children);
list_for_each_entry(class_intf, &parent->interfaces, node)
if (class_intf->add)
- class_intf->add(class_dev);
+ class_intf->add(class_dev, class_intf);
up(&parent->sem);
}

@@ -612,7 +612,7 @@ void class_device_del(struct class_devic
list_del_init(&class_dev->node);
list_for_each_entry(class_intf, &parent->interfaces, node)
if (class_intf->remove)
- class_intf->remove(class_dev);
+ class_intf->remove(class_dev, class_intf);
up(&parent->sem);
}

@@ -729,7 +729,7 @@ int class_interface_register(struct clas
list_add_tail(&class_intf->node, &parent->interfaces);
if (class_intf->add) {
list_for_each_entry(class_dev, &parent->children, node)
- class_intf->add(class_dev);
+ class_intf->add(class_dev, class_intf);
}
up(&parent->sem);

@@ -748,7 +748,7 @@ void class_interface_unregister(struct c
list_del_init(&class_intf->node);
if (class_intf->remove) {
list_for_each_entry(class_dev, &parent->children, node)
- class_intf->remove(class_dev);
+ class_intf->remove(class_dev, class_intf);
}
up(&parent->sem);

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 080608c..39d096b 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -1157,7 +1157,8 @@ static struct pcmcia_callback pcmcia_bus
.requery = pcmcia_bus_rescan,
};

-static int __devinit pcmcia_bus_add_socket(struct class_device *class_dev)
+static int __devinit pcmcia_bus_add_socket(struct class_device *class_dev,
+ struct class_interface *class_intf)
{
struct pcmcia_socket *socket = class_get_devdata(class_dev);
int ret;
@@ -1192,7 +1193,8 @@ static int __devinit pcmcia_bus_add_sock
return 0;
}

-static void pcmcia_bus_remove_socket(struct class_device *class_dev)
+static void pcmcia_bus_remove_socket(struct class_device *class_dev,
+ struct class_interface *class_intf)
{
struct pcmcia_socket *socket = class_get_devdata(class_dev);

diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index f9a5c70..fc87e7e 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -994,7 +994,8 @@ static struct class_device_attribute *pc
NULL,
};

-static int __devinit pccard_sysfs_add_rsrc(struct class_device *class_dev)
+static int __devinit pccard_sysfs_add_rsrc(struct class_device *class_dev,
+ struct class_interface *class_intf)
{
struct pcmcia_socket *s = class_get_devdata(class_dev);
struct class_device_attribute **attr;
@@ -1011,7 +1012,8 @@ static int __devinit pccard_sysfs_add_rs
return ret;
}

-static void __devexit pccard_sysfs_remove_rsrc(struct class_device *class_dev)
+static void __devexit pccard_sysfs_remove_rsrc(struct class_device *class_dev,
+ struct class_interface *class_intf)
{
struct pcmcia_socket *s = class_get_devdata(class_dev);
struct class_device_attribute **attr;
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c
index 1040a6c..4a3150a 100644
--- a/drivers/pcmcia/socket_sysfs.c
+++ b/drivers/pcmcia/socket_sysfs.c
@@ -341,7 +341,8 @@ static struct bin_attribute pccard_cis_a
.write = pccard_store_cis,
};

-static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev)
+static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev,
+ struct class_interface *class_intf)
{
struct class_device_attribute **attr;
int ret = 0;
@@ -357,7 +358,8 @@ static int __devinit pccard_sysfs_add_so
return ret;
}

-static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev)
+static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev,
+ struct class_interface *class_intf)
{
struct class_device_attribute **attr;

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index ad94367..f0d8b4e 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -104,8 +104,8 @@ static int sg_allow_dio = SG_ALLOW_DIO_D

#define SG_DEV_ARR_LUMP 32 /* amount to over allocate sg_dev_arr by */

-static int sg_add(struct class_device *);
-static void sg_remove(struct class_device *);
+static int sg_add(struct class_device *, struct class_interface *);
+static void sg_remove(struct class_device *, struct class_interface *);

static Scsi_Request *dummy_cmdp; /* only used for sizeof */

@@ -1506,7 +1506,7 @@ static int sg_alloc(struct gendisk *disk
}

static int
-sg_add(struct class_device *cl_dev)
+sg_add(struct class_device *cl_dev, struct class_interface *cl_intf)
{
struct scsi_device *scsidp = to_scsi_device(cl_dev->dev);
struct gendisk *disk;
@@ -1582,7 +1582,7 @@ out:
}

static void
-sg_remove(struct class_device *cl_dev)
+sg_remove(struct class_device *cl_dev, struct class_interface *cl_intf)
{
struct scsi_device *scsidp = to_scsi_device(cl_dev->dev);
Sg_device *sdp = NULL;
diff --git a/include/linux/device.h b/include/linux/device.h
index 95d607a..a53a822 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -251,8 +251,8 @@ struct class_interface {
struct list_head node;
struct class *class;

- int (*add) (struct class_device *);
- void (*remove) (struct class_device *);
+ int (*add) (struct class_device *, struct class_interface *);
+ void (*remove) (struct class_device *, struct class_interface *);
};

extern int class_interface_register(struct class_interface *);

-
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