[S390] cio: split PGID settings and status

Split setting (driver wants feature enabled) and status (feature
setup was successful) for PGID related ccw device features so that
setup errors can be detected. Previously, incorrectly handled setup
errors could in rare cases lead to erratic I/O behavior and
permanently unusuable devices.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index aaccc8ecfa8..58ffbd1d04a 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2208,13 +2208,6 @@ int dasd_generic_probe(struct ccw_device *cdev,
 {
         int ret;
 
-        ret = ccw_device_set_options(cdev, CCWDEV_DO_PATHGROUP);
-        if (ret) {
-                DBF_EVENT(DBF_WARNING,
-                       "dasd_generic_probe: could not set ccw-device options "
-                       "for %s\n", dev_name(&cdev->dev));
-                return ret;
-        }
         ret = dasd_add_sysfs_files(cdev);
         if (ret) {
                 DBF_EVENT(DBF_WARNING,