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Diffstat (limited to 'drivers/s390/cio/chsc.h')
-rw-r--r--drivers/s390/cio/chsc.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index 6945013..170083c 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -1,8 +1,6 @@
#ifndef S390_CHSC_H
#define S390_CHSC_H
-#define NR_CHPIDS 256
-
#define CHSC_SEI_ACC_CHPID 1
#define CHSC_SEI_ACC_LINKADDR 2
#define CHSC_SEI_ACC_FULLLINKADDR 3
@@ -65,4 +63,7 @@ extern int chsc_determine_css_characteristics(void);
extern int css_characteristics_avail;
extern void *chsc_get_chp_desc(struct subchannel*, int);
+
+#define to_channelpath(dev) container_of(dev, struct channel_path, dev)
+
#endif
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