diff options
| -rw-r--r-- | drivers/s390/block/dasd_eckd.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 29397a9dba68..85b6a70ce334 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -214,24 +214,25 @@ static void set_ch_t(struct ch_t *geo, __u32 cyl, __u8 head) geo->head |= head; } -static int check_XRC(struct ccw1 *ccw, struct DE_eckd_data *data, +static int set_timestamp(struct ccw1 *ccw, struct DE_eckd_data *data, struct dasd_device *device) { struct dasd_eckd_private *private = device->private; int rc; - if (!private->rdc_data.facilities.XRC_supported) + rc = get_phys_clock(&data->ep_sys_time); + /* + * Ignore return code if XRC is not supported or + * sync clock is switched off + */ + if ((rc && !private->rdc_data.facilities.XRC_supported) || + rc == -EOPNOTSUPP || rc == -EACCES) return 0; /* switch on System Time Stamp - needed for XRC Support */ data->ga_extended |= 0x08; /* switch on 'Time Stamp Valid' */ data->ga_extended |= 0x02; /* switch on 'Extended Parameter' */ - rc = get_phys_clock(&data->ep_sys_time); - /* Ignore return code if sync clock is switched off. */ - if (rc == -EOPNOTSUPP || rc == -EACCES) - rc = 0; - if (ccw) { ccw->count = sizeof(struct DE_eckd_data); ccw->flags |= CCW_FLAG_SLI; @@ -286,12 +287,12 @@ define_extent(struct ccw1 *ccw, struct DE_eckd_data *data, unsigned int trk, case DASD_ECKD_CCW_WRITE_KD_MT: data->mask.perm = 0x02; data->attributes.operation = private->attrib.operation; - rc = check_XRC(ccw, data, device); + rc = set_timestamp(ccw, data, device); break; case DASD_ECKD_CCW_WRITE_CKD: case DASD_ECKD_CCW_WRITE_CKD_MT: data->attributes.operation = DASD_BYPASS_CACHE; - rc = check_XRC(ccw, data, device); + rc = set_timestamp(ccw, data, device); break; case DASD_ECKD_CCW_ERASE: case DASD_ECKD_CCW_WRITE_HOME_ADDRESS: @@ -299,7 +300,7 @@ define_extent(struct ccw1 *ccw, struct DE_eckd_data *data, unsigned int trk, data->mask.perm = 0x3; data->mask.auth = 0x1; data->attributes.operation = DASD_BYPASS_CACHE; - rc = check_XRC(ccw, data, device); + rc = set_timestamp(ccw, data, device); break; case DASD_ECKD_CCW_WRITE_FULL_TRACK: data->mask.perm = 0x03; @@ -310,7 +311,7 @@ define_extent(struct ccw1 *ccw, struct DE_eckd_data *data, unsigned int trk, data->mask.perm = 0x02; data->attributes.operation = private->attrib.operation; data->blk_size = blksize; - rc = check_XRC(ccw, data, device); + rc = set_timestamp(ccw, data, device); break; default: dev_err(&device->cdev->dev, @@ -3440,7 +3441,7 @@ static int prepare_itcw(struct itcw *itcw, dedata->mask.perm = 0x02; dedata->attributes.operation = basepriv->attrib.operation; dedata->blk_size = blksize; - rc = check_XRC(NULL, dedata, basedev); + rc = set_timestamp(NULL, dedata, basedev); dedata->ga_extended |= 0x42; lredata->operation.orientation = 0x0; lredata->operation.operation = 0x3F; |