summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/vio.c
diff options
context:
space:
mode:
authorJens Axboe <jens.axboe@oracle.com>2010-05-21 23:27:26 +0400
committerJens Axboe <jens.axboe@oracle.com>2010-05-21 23:27:26 +0400
commitee9a3607fb03e804ddf624544105f4e34260c380 (patch)
treece41b6e0fa10982a306f6c142a92dbf3c9961284 /arch/powerpc/kernel/vio.c
parentb492e95be0ae672922f4734acf3f5d35c30be948 (diff)
parentd515e86e639890b33a09390d062b0831664f04a2 (diff)
downloadlinux-ee9a3607fb03e804ddf624544105f4e34260c380.tar.xz
Merge branch 'master' into for-2.6.35
Conflicts: fs/ext3/fsync.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/powerpc/kernel/vio.c')
-rw-r--r--arch/powerpc/kernel/vio.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 82237176a2a3..9ce7b62dc3a4 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -645,8 +645,10 @@ void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired)
found = 1;
break;
}
- if (!found)
+ if (!found) {
+ spin_unlock_irqrestore(&vio_cmo.lock, flags);
return;
+ }
/* Increase/decrease in desired device entitlement */
if (desired >= viodev->cmo.desired) {
@@ -958,9 +960,12 @@ viodev_cmo_rd_attr(allocated);
static ssize_t name_show(struct device *, struct device_attribute *, char *);
static ssize_t devspec_show(struct device *, struct device_attribute *, char *);
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+ char *buf);
static struct device_attribute vio_cmo_dev_attrs[] = {
__ATTR_RO(name),
__ATTR_RO(devspec),
+ __ATTR_RO(modalias),
__ATTR(cmo_desired, S_IWUSR|S_IRUSR|S_IWGRP|S_IRGRP|S_IROTH,
viodev_cmo_desired_show, viodev_cmo_desired_set),
__ATTR(cmo_entitled, S_IRUGO, viodev_cmo_entitled_show, NULL),
@@ -1320,9 +1325,27 @@ static ssize_t devspec_show(struct device *dev,
return sprintf(buf, "%s\n", of_node ? of_node->full_name : "none");
}
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ const struct vio_dev *vio_dev = to_vio_dev(dev);
+ struct device_node *dn;
+ const char *cp;
+
+ dn = dev->archdata.of_node;
+ if (!dn)
+ return -ENODEV;
+ cp = of_get_property(dn, "compatible", NULL);
+ if (!cp)
+ return -ENODEV;
+
+ return sprintf(buf, "vio:T%sS%s\n", vio_dev->type, cp);
+}
+
static struct device_attribute vio_dev_attrs[] = {
__ATTR_RO(name),
__ATTR_RO(devspec),
+ __ATTR_RO(modalias),
__ATTR_NULL
};
@@ -1365,6 +1388,7 @@ static struct bus_type vio_bus_type = {
.match = vio_bus_match,
.probe = vio_bus_probe,
.remove = vio_bus_remove,
+ .pm = GENERIC_SUBSYS_PM_OPS,
};
/**