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authorSebastian Ott <sebott@linux.vnet.ibm.com>2012-05-15 18:01:46 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-05-16 14:42:48 +0200
commitb7169c515bbdc139fadee5a98a866c5dc5bb98af (patch)
tree3b4b73904b4540d3708bd59d0a2d7548bfd637f8 /drivers/s390
parents390/claw: switch to ccwgroup_create_dev (diff)
downloadlinux-b7169c515bbdc139fadee5a98a866c5dc5bb98af.tar.xz
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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>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/net/qeth_core.h7
-rw-r--r--drivers/s390/net/qeth_core_main.c56
-rw-r--r--drivers/s390/net/qeth_core_sys.c43
3 files changed, 35 insertions, 71 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index ec7921b5138e..81d19db805ba 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -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 */
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index c146877e8b7b..1a6a3132cb4b 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -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 {
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index 0a8e86c1b0ea..a6b49db9f2d2 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -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,
+};