diff options
| -rw-r--r-- | drivers/s390/cio/chsc.c | 9 | ||||
| -rw-r--r-- | drivers/s390/cio/chsc.h | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 65264a38057..29826fdd47b 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -27,7 +27,13 @@ static void *sei_page; -static int chsc_error_from_response(int response) +/** + * chsc_error_from_response() - convert a chsc response to an error + * @response: chsc response code + * + * Returns an appropriate Linux error code for @response. + */ +int chsc_error_from_response(int response) { switch (response) { case 0x0001: @@ -45,6 +51,7 @@ static int chsc_error_from_response(int response) return -EIO; } } +EXPORT_SYMBOL_GPL(chsc_error_from_response); struct chsc_ssd_area { struct chsc_header request; diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index fb6c4d6c45b..ba59bceace9 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -101,4 +101,6 @@ void chsc_chp_online(struct chp_id chpid); void chsc_chp_offline(struct chp_id chpid); int chsc_get_channel_measurement_chars(struct channel_path *chp); +int chsc_error_from_response(int response); + #endif |