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| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2008-07-17 17:16:47 +0200 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-07-17 17:22:10 +0200 |
| commit | dae39843f478d181da5b5e1c2c703dfcaaf838c1 (patch) | |
| tree | 2f546e519c5378ebb99a9953a4323f3ee7a1a78f /drivers | |
| parent | b9993a38a9b491a9df48a5bc82d2e03ab44e352a (diff) | |
| download | linux-next-dae39843f478d181da5b5e1c2c703dfcaaf838c1.tar.gz | |
[S390] cio: Export chsc_error_from_response().
Make chsc_error_from_response() available to chsc callers outside
of chsc.c (namely qdio) to avoid duplicating error checking code.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'drivers')
| -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 65264a38057d..29826fdd47b8 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 fb6c4d6c45b4..ba59bceace98 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 |