diff options
Diffstat (limited to 'drivers/s390/cio')
| -rw-r--r-- | drivers/s390/cio/cio.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 6886b3d34cf8..28d4ee865a1c 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -990,39 +990,6 @@ void reipl_ccw_dev(struct ccw_dev_id *devid) do_reipl_asm(*((__u32*)&schid)); } -int __init cio_get_iplinfo(struct cio_iplinfo *iplinfo) -{ - static struct chsc_sda_area sda_area __initdata; - struct subchannel_id schid; - struct schib schib; - - schid = *(struct subchannel_id *)&S390_lowcore.subchannel_id; - if (!schid.one) - return -ENODEV; - - if (schid.ssid) { - /* - * Firmware should have already enabled MSS but whoever started - * the kernel might have initiated a channel subsystem reset. - * Ensure that MSS is enabled. - */ - memset(&sda_area, 0, sizeof(sda_area)); - if (__chsc_enable_facility(&sda_area, CHSC_SDA_OC_MSS)) - return -ENODEV; - } - if (stsch(schid, &schib)) - return -ENODEV; - if (schib.pmcw.st != SUBCHANNEL_TYPE_IO) - return -ENODEV; - if (!schib.pmcw.dnv) - return -ENODEV; - - iplinfo->ssid = schid.ssid; - iplinfo->devno = schib.pmcw.dev; - iplinfo->is_qdio = schib.pmcw.qf; - return 0; -} - /** * cio_tm_start_key - perform start function * @sch: subchannel on which to perform the start function |