diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/char/tape_core.c | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index 7ad8cf157641..76e44eb7c47f 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -76,32 +76,9 @@ const char *tape_op_verbose[TO_SIZE] = [TO_KEKL_QUERY] = "KLQ",[TO_RDC] = "RDC", }; -static int -busid_to_int(char *bus_id) +static int devid_to_int(struct ccw_dev_id *dev_id) { - int dec; - int d; - char * s; - - for(s = bus_id, d = 0; *s != '\0' && *s != '.'; s++) - d = (d * 10) + (*s - '0'); - dec = d; - for(s++, d = 0; *s != '\0' && *s != '.'; s++) - d = (d * 10) + (*s - '0'); - dec = (dec << 8) + d; - - for(s++; *s != '\0'; s++) { - if (*s >= '0' && *s <= '9') { - d = *s - '0'; - } else if (*s >= 'a' && *s <= 'f') { - d = *s - 'a' + 10; - } else { - d = *s - 'A' + 10; - } - dec = (dec << 4) + d; - } - - return dec; + return dev_id->devno + (dev_id->ssid << 16); } /* @@ -551,6 +528,7 @@ tape_generic_probe(struct ccw_device *cdev) { struct tape_device *device; int ret; + struct ccw_dev_id dev_id; device = tape_alloc_device(); if (IS_ERR(device)) @@ -565,7 +543,8 @@ tape_generic_probe(struct ccw_device *cdev) cdev->dev.driver_data = device; cdev->handler = __tape_do_irq; device->cdev = cdev; - device->cdev_id = busid_to_int(cdev->dev.bus_id); + ccw_device_get_id(cdev, &dev_id); + device->cdev_id = devid_to_int(&dev_id); PRINT_INFO("tape device %s found\n", cdev->dev.bus_id); return ret; } |