From c38a90a34cfc880eb2f7234c511cdb7d8bdebc45 Mon Sep 17 00:00:00 2001 From: Sebastian Ott Date: Mon, 25 Oct 2010 16:10:31 +0200 Subject: [S390] cio: update descriptor in chsc_chp_vary Update the channel path descriptor at the beginning of to the vary_on operation. Signed-off-by: Sebastian Ott Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chp.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/s390/cio/chp.h') diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h index 695ec20f1c59..12b4903d6fe3 100644 --- a/drivers/s390/cio/chp.h +++ b/drivers/s390/cio/chp.h @@ -52,6 +52,12 @@ struct channel_path { void *cmg_chars; }; +/* Return channel_path struct for given chpid. */ +static inline struct channel_path *chpid_to_chp(struct chp_id chpid) +{ + return channel_subsystems[chpid.cssid]->chps[chpid.id]; +} + int chp_get_status(struct chp_id chpid); u8 chp_get_sch_opm(struct subchannel *sch); int chp_is_registered(struct chp_id chpid); -- cgit v1.2.3