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path: root/drivers/s390/cio/vfio_ccw_drv.c
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Diffstat (limited to 'drivers/s390/cio/vfio_ccw_drv.c')
-rw-r--r--drivers/s390/cio/vfio_ccw_drv.c58
1 files changed, 1 insertions, 57 deletions
diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c
index e90dd43d2a55..a25367ebaa89 100644
--- a/drivers/s390/cio/vfio_ccw_drv.c
+++ b/drivers/s390/cio/vfio_ccw_drv.c
@@ -90,54 +90,6 @@ static void vfio_ccw_sch_io_todo(struct work_struct *work)
}
/*
- * Sysfs interfaces
- */
-static ssize_t chpids_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct subchannel *sch = to_subchannel(dev);
- struct chsc_ssd_info *ssd = &sch->ssd_info;
- ssize_t ret = 0;
- int chp;
- int mask;
-
- for (chp = 0; chp < 8; chp++) {
- mask = 0x80 >> chp;
- if (ssd->path_mask & mask)
- ret += sprintf(buf + ret, "%02x ", ssd->chpid[chp].id);
- else
- ret += sprintf(buf + ret, "00 ");
- }
- ret += sprintf(buf+ret, "\n");
- return ret;
-}
-
-static ssize_t pimpampom_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct subchannel *sch = to_subchannel(dev);
- struct pmcw *pmcw = &sch->schib.pmcw;
-
- return sprintf(buf, "%02x %02x %02x\n",
- pmcw->pim, pmcw->pam, pmcw->pom);
-}
-
-static DEVICE_ATTR(chpids, 0444, chpids_show, NULL);
-static DEVICE_ATTR(pimpampom, 0444, pimpampom_show, NULL);
-
-static struct attribute *vfio_subchannel_attrs[] = {
- &dev_attr_chpids.attr,
- &dev_attr_pimpampom.attr,
- NULL,
-};
-
-static struct attribute_group vfio_subchannel_attr_group = {
- .attrs = vfio_subchannel_attrs,
-};
-
-/*
* Css driver callbacks
*/
static void vfio_ccw_sch_irq(struct subchannel *sch)
@@ -174,13 +126,9 @@ static int vfio_ccw_sch_probe(struct subchannel *sch)
if (ret)
goto out_free;
- ret = sysfs_create_group(&sch->dev.kobj, &vfio_subchannel_attr_group);
- if (ret)
- goto out_disable;
-
ret = vfio_ccw_mdev_reg(sch);
if (ret)
- goto out_rm_group;
+ goto out_disable;
INIT_WORK(&private->io_work, vfio_ccw_sch_io_todo);
atomic_set(&private->avail, 1);
@@ -188,8 +136,6 @@ static int vfio_ccw_sch_probe(struct subchannel *sch)
return 0;
-out_rm_group:
- sysfs_remove_group(&sch->dev.kobj, &vfio_subchannel_attr_group);
out_disable:
cio_disable_subchannel(sch);
out_free:
@@ -206,8 +152,6 @@ static int vfio_ccw_sch_remove(struct subchannel *sch)
vfio_ccw_mdev_unreg(sch);
- sysfs_remove_group(&sch->dev.kobj, &vfio_subchannel_attr_group);
-
dev_set_drvdata(&sch->dev, NULL);
kfree(private);