diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/char/sclp_cmd.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index b3beab610da..fc7ae05ce48 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -704,6 +704,13 @@ int sclp_chp_deconfigure(struct chp_id chpid) return do_chp_configure(SCLP_CMDW_DECONFIGURE_CHPATH | chpid.id << 8); } +int arch_get_memory_phys_device(unsigned long start_pfn) +{ + if (!rzm) + return 0; + return PFN_PHYS(start_pfn) / rzm; +} + struct chp_info_sccb { struct sccb_header header; u8 recognized[SCLP_CHP_INFO_MASK_SIZE]; |