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s390/qeth: switch to ccwgroup_create_dev 

Switch to the new ccwgroup_create_dev interface. Also wrap device
attributes in a struct device_type and let the driver core create
these attributes automagically.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott 2012-05-15 18:01:46 +02:00 committed by Martin Schwidefsky
parent 2ced5514b3
commit b7169c515b
3 changed files with 35 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/s390/net/qeth_core.h
View File

@ -843,14 +843,13 @@ static inline int qeth_is_diagass_supported(struct qeth_card *card,
extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
extern const struct attribute_group *qeth_generic_attr_groups[];
extern const struct attribute_group *qeth_osn_attr_groups[];
const char *qeth_get_cardname_short(struct qeth_card *);
int qeth_realloc_buffer_pool(struct qeth_card *, int);
int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
void qeth_core_free_discipline(struct qeth_card *);
int qeth_core_create_device_attributes(struct device *);
void qeth_core_remove_device_attributes(struct device *);
int qeth_core_create_osn_attributes(struct device *);
void qeth_core_remove_osn_attributes(struct device *);
void qeth_buffer_reclaim_work(struct work_struct *);
/* exports for qeth discipline device drivers */

56
drivers/s390/net/qeth_core_main.c
View File

@ -4739,13 +4739,6 @@ static struct ccw_driver qeth_ccw_driver = {
.remove = ccwgroup_remove_ccwdev,
};
static int qeth_core_driver_group(const char *buf, struct device *root_dev,
unsigned long driver_id)
{
return ccwgroup_create_from_string(root_dev, driver_id,
&qeth_ccw_driver, 3, buf);
}
int qeth_core_hardsetup_card(struct qeth_card *card)
{
int retries = 0;
@ -5074,6 +5067,15 @@ void qeth_core_free_discipline(struct qeth_card *card)
card->discipline.ccwgdriver = NULL;
}
static const struct device_type qeth_generic_devtype = {
.name = "qeth_generic",
.groups = qeth_generic_attr_groups,
};
static const struct device_type qeth_osn_devtype = {
.name = "qeth_osn",
.groups = qeth_osn_attr_groups,
};
static int qeth_core_probe_device(struct ccwgroup_device *gdev)
{
struct qeth_card *card;
@ -5128,17 +5130,16 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
}
if (card->info.type == QETH_CARD_TYPE_OSN)
rc = qeth_core_create_osn_attributes(dev);
gdev->dev.type = &qeth_osn_devtype;
else
rc = qeth_core_create_device_attributes(dev);
if (rc)
goto err_dbf;
gdev->dev.type = &qeth_generic_devtype;
switch (card->info.type) {
case QETH_CARD_TYPE_OSN:
case QETH_CARD_TYPE_OSM:
rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2);
if (rc)
goto err_attr;
goto err_dbf;
rc = card->discipline.ccwgdriver->probe(card->gdev);
if (rc)
goto err_disc;
@ -5157,11 +5158,6 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
err_disc:
qeth_core_free_discipline(card);
err_attr:
if (card->info.type == QETH_CARD_TYPE_OSN)
qeth_core_remove_osn_attributes(dev);
else
qeth_core_remove_device_attributes(dev);
err_dbf:
debug_unregister(card->debug);
err_card:
@ -5178,12 +5174,6 @@ static void qeth_core_remove_device(struct ccwgroup_device *gdev)
QETH_DBF_TEXT(SETUP, 2, "removedv");
if (card->info.type == QETH_CARD_TYPE_OSN) {
qeth_core_remove_osn_attributes(&gdev->dev);
} else {
qeth_core_remove_device_attributes(&gdev->dev);
}
if (card->discipline.ccwgdriver) {
card->discipline.ccwgdriver->remove(gdev);
qeth_core_free_discipline(card);
@ -5286,7 +5276,7 @@ static struct ccwgroup_driver qeth_core_ccwgroup_driver = {
.name = "qeth",
},
.driver_id = 0xD8C5E3C8,
.probe = qeth_core_probe_device,
.setup = qeth_core_probe_device,
.remove = qeth_core_remove_device,
.set_online = qeth_core_set_online,
.set_offline = qeth_core_set_offline,
@ -5298,19 +5288,17 @@ static struct ccwgroup_driver qeth_core_ccwgroup_driver = {
.restore = qeth_core_restore,
};
static ssize_t
qeth_core_driver_group_store(struct device_driver *ddrv, const char *buf,
size_t count)
static ssize_t qeth_core_driver_group_store(struct device_driver *ddrv,
const char *buf, size_t count)
{
int err;
err = qeth_core_driver_group(buf, qeth_core_root_dev,
qeth_core_ccwgroup_driver.driver_id);
if (err)
return err;
else
return count;
}
err = ccwgroup_create_dev(qeth_core_root_dev,
qeth_core_ccwgroup_driver.driver_id,
&qeth_core_ccwgroup_driver, 3, buf);
return err ? err : count;
}
static DRIVER_ATTR(group, 0200, NULL, qeth_core_driver_group_store);
static struct {

43
drivers/s390/net/qeth_core_sys.c
View File

@ -693,7 +693,6 @@ static struct attribute *qeth_blkt_device_attrs[] = {
&dev_attr_inter_jumbo.attr,
NULL,
};
static struct attribute_group qeth_device_blkt_group = {
.name = "blkt",
.attrs = qeth_blkt_device_attrs,
@ -716,11 +715,16 @@ static struct attribute *qeth_device_attrs[] = {
&dev_attr_hw_trap.attr,
NULL,
};
static struct attribute_group qeth_device_attr_group = {
.attrs = qeth_device_attrs,
};
const struct attribute_group *qeth_generic_attr_groups[] = {
&qeth_device_attr_group,
&qeth_device_blkt_group,
NULL,
};
static struct attribute *qeth_osn_device_attrs[] = {
&dev_attr_state.attr,
&dev_attr_chpid.attr,
@ -730,37 +734,10 @@ static struct attribute *qeth_osn_device_attrs[] = {
&dev_attr_recover.attr,
NULL,
};
static struct attribute_group qeth_osn_device_attr_group = {
.attrs = qeth_osn_device_attrs,
};
int qeth_core_create_device_attributes(struct device *dev)
{
int ret;
ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group);
if (ret)
return ret;
ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group);
if (ret)
sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
return 0;
}
void qeth_core_remove_device_attributes(struct device *dev)
{
sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
}
int qeth_core_create_osn_attributes(struct device *dev)
{
return sysfs_create_group(&dev->kobj, &qeth_osn_device_attr_group);
}
void qeth_core_remove_osn_attributes(struct device *dev)
{
sysfs_remove_group(&dev->kobj, &qeth_osn_device_attr_group);
return;
}
const struct attribute_group *qeth_osn_attr_groups[] = {
&qeth_osn_device_attr_group,
NULL,
};