[S390] tape: New read configuration data.
Instead of the deprecated read_conf_data(), implement a new function
tape_3590_read_dev_chars().
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 50f5eda..7e2b2ab 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -788,6 +788,7 @@
case TO_SIZE:
case TO_KEKL_SET:
case TO_KEKL_QUERY:
+ case TO_RDC:
break;
}
return TAPE_IO_SUCCESS;
@@ -1549,6 +1550,26 @@
return TAPE_IO_STOP;
}
+
+static int tape_3590_read_dev_chars(struct tape_device *device,
+ struct tape_3590_rdc_data *rdc_data)
+{
+ int rc;
+ struct tape_request *request;
+
+ request = tape_alloc_request(1, sizeof(*rdc_data));
+ if (IS_ERR(request))
+ return PTR_ERR(request);
+ request->op = TO_RDC;
+ tape_ccw_end(request->cpaddr, CCW_CMD_RDC, sizeof(*rdc_data),
+ request->cpdata);
+ rc = tape_do_io(device, request);
+ if (rc == 0)
+ memcpy(rdc_data, request->cpdata, sizeof(*rdc_data));
+ tape_free_request(request);
+ return rc;
+}
+
/*
* Setup device function
*/
@@ -1557,7 +1578,7 @@
{
int rc;
struct tape_3590_disc_data *data;
- char *rdc_data;
+ struct tape_3590_rdc_data *rdc_data;
DBF_EVENT(6, "3590 device setup\n");
data = kzalloc(sizeof(struct tape_3590_disc_data), GFP_KERNEL | GFP_DMA);
@@ -1566,12 +1587,12 @@
data->read_back_op = READ_PREVIOUS;
device->discdata = data;
- rdc_data = kmalloc(64, GFP_KERNEL | GFP_DMA);
+ rdc_data = kmalloc(sizeof(*rdc_data), GFP_KERNEL | GFP_DMA);
if (!rdc_data) {
rc = -ENOMEM;
goto fail_kmalloc;
}
- rc = read_dev_chars(device->cdev, (void**)&rdc_data, 64);
+ rc = tape_3590_read_dev_chars(device, rdc_data);
if (rc) {
DBF_LH(3, "Read device characteristics failed!\n");
goto fail_kmalloc;
@@ -1579,7 +1600,7 @@
rc = tape_std_assign(device);
if (rc)
goto fail_rdc_data;
- if (rdc_data[31] == 0x13) {
+ if (rdc_data->data[31] == 0x13) {
PRINT_INFO("Device has crypto support\n");
data->crypt_info.capability |= TAPE390_CRYPT_SUPPORTED_MASK;
tape_3592_disable_crypt(device);