From edf2209692769d3e461c0351553098bc017c2caf Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Wed, 30 Apr 2008 13:38:39 +0200 Subject: [S390] cio: Make isc handling more robust. Introduce an ->isc field in the subchannel to store the desired interruption subclass, since sch->schib.pmcw.isc may be overwritten by the hardware on stsch() after machine checks. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/cio.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/s390/cio/cio.h') diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 08f2235c5a6f..3c75412904dc 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -74,6 +74,7 @@ struct subchannel { __u8 lpm; /* logical path mask */ __u8 opm; /* operational path mask */ struct schib schib; /* subchannel information block */ + int isc; /* desired interruption subclass */ struct chsc_ssd_info ssd_info; /* subchannel description */ struct device dev; /* entry in device tree */ struct css_driver *driver; @@ -85,7 +86,7 @@ struct subchannel { #define to_subchannel(n) container_of(n, struct subchannel, dev) extern int cio_validate_subchannel (struct subchannel *, struct subchannel_id); -extern int cio_enable_subchannel(struct subchannel *, unsigned int, u32); +extern int cio_enable_subchannel(struct subchannel *, u32); extern int cio_disable_subchannel (struct subchannel *); extern int cio_cancel (struct subchannel *); extern int cio_clear (struct subchannel *); -- cgit v1.2.3