aboutsummaryrefslogtreecommitdiff
path: root/drivers/s390/cio
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/chp.c1
-rw-r--r--drivers/s390/cio/cio.c16
-rw-r--r--drivers/s390/cio/css.c5
3 files changed, 16 insertions, 6 deletions
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 672d9731c52..0b3c3109f22 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -95,6 +95,7 @@ u8 chp_get_sch_opm(struct subchannel *sch)
}
return opm;
}
+EXPORT_SYMBOL_GPL(chp_get_sch_opm);
/**
* chp_is_registered - check if a channel-path is registered
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index fdb164f3610..be53f0ee2b1 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -387,8 +387,10 @@ cio_modify (struct subchannel *sch)
return ret;
}
-/*
- * Enable subchannel.
+/**
+ * cio_enable_subchannel - enable a subchannel.
+ * @sch: subchannel to be enabled
+ * @intparm: interruption parameter to set
*/
int cio_enable_subchannel(struct subchannel *sch, u32 intparm)
{
@@ -434,12 +436,13 @@ int cio_enable_subchannel(struct subchannel *sch, u32 intparm)
CIO_TRACE_EVENT (2, dbf_txt);
return ret;
}
+EXPORT_SYMBOL_GPL(cio_enable_subchannel);
-/*
- * Disable subchannel.
+/**
+ * cio_disable_subchannel - disable a subchannel.
+ * @sch: subchannel to disable
*/
-int
-cio_disable_subchannel (struct subchannel *sch)
+int cio_disable_subchannel(struct subchannel *sch)
{
char dbf_txt[15];
int ccode;
@@ -484,6 +487,7 @@ cio_disable_subchannel (struct subchannel *sch)
CIO_TRACE_EVENT (2, dbf_txt);
return ret;
}
+EXPORT_SYMBOL_GPL(cio_disable_subchannel);
int cio_create_sch_lock(struct subchannel *sch)
{
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index cf9d27c6f44..bc3a8e4a49f 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -158,12 +158,17 @@ static int css_sch_device_register(struct subchannel *sch)
return ret;
}
+/**
+ * css_sch_device_unregister - unregister a subchannel
+ * @sch: subchannel to be unregistered
+ */
void css_sch_device_unregister(struct subchannel *sch)
{
mutex_lock(&sch->reg_mutex);
device_unregister(&sch->dev);
mutex_unlock(&sch->reg_mutex);
}
+EXPORT_SYMBOL_GPL(css_sch_device_unregister);
static void ssd_from_pmcw(struct chsc_ssd_info *ssd, struct pmcw *pmcw)
{