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-rw-r--r--drivers/s390/cio/cio.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 2e43558c704..bf7f80f5a33 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -68,6 +68,11 @@ struct schib {
__u8 mda[4]; /* model dependent area */
} __attribute__ ((packed,aligned(4)));
+enum sch_todo {
+ SCH_TODO_NOTHING,
+ SCH_TODO_UNREG,
+};
+
/* subchannel data structure used by I/O subroutines */
struct subchannel {
struct subchannel_id schid;
@@ -95,7 +100,8 @@ struct subchannel {
struct device dev; /* entry in device tree */
struct css_driver *driver;
void *private; /* private per subchannel type data */
- struct work_struct work;
+ enum sch_todo todo;
+ struct work_struct todo_work;
struct schib_config config;
} __attribute__ ((aligned(8)));