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[PATCH] s390: tape 3590 changes 

Added some changes that where proposed by Andrew Morton.  Added 3592 device
type.

Signed-off-by: Stefan Bader <shbader@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Stefan Bader 2006-04-27 18:40:16 -07:00 committed by Linus Torvalds
parent 3363fbdd6f
commit 2cc924b8ba
2 changed files with 12 additions and 11 deletions
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22
drivers/s390/char/tape_3590.c
View File

@ -230,14 +230,16 @@ tape_3590_read_attmsg(struct tape_device *device)
* These functions are used to schedule follow-up actions from within an
* interrupt context (like unsolicited interrupts).
*/
struct work_handler_data {
struct tape_device *device;
enum tape_op op;
struct work_struct work;
};
static void
tape_3590_work_handler(void *data)
{
struct {
struct tape_device *device;
enum tape_op op;
struct work_struct work;
} *p = data;
struct work_handler_data *p = data;
switch (p->op) {
case TO_MSEN:
@ -257,11 +259,7 @@ tape_3590_work_handler(void *data)
static int
tape_3590_schedule_work(struct tape_device *device, enum tape_op op)
{
struct {
struct tape_device *device;
enum tape_op op;
struct work_struct work;
} *p;
struct work_handler_data *p;
if ((p = kzalloc(sizeof(*p), GFP_ATOMIC)) == NULL)
return -ENOMEM;
@ -316,7 +314,7 @@ tape_3590_bread(struct tape_device *device, struct request *req)
rq_for_each_bio(bio, req) {
bio_for_each_segment(bv, bio, i) {
dst = kmap(bv->bv_page) + bv->bv_offset;
dst = page_address(bv->bv_page) + bv->bv_offset;
for (off = 0; off < bv->bv_len;
off += TAPEBLOCK_HSEC_SIZE) {
ccw->flags = CCW_FLAG_CC;
@ -1168,6 +1166,7 @@ tape_3590_setup_device(struct tape_device *device)
static void
tape_3590_cleanup_device(struct tape_device *device)
{
flush_scheduled_work();
tape_std_unassign(device);
kfree(device->discdata);
@ -1234,6 +1233,7 @@ static struct tape_discipline tape_discipline_3590 = {
static struct ccw_device_id tape_3590_ids[] = {
{CCW_DEVICE_DEVTYPE(0x3590, 0, 0x3590, 0), .driver_info = tape_3590},
{CCW_DEVICE_DEVTYPE(0x3592, 0, 0x3592, 0), .driver_info = tape_3592},
{ /* end of list */ }
};

1
drivers/s390/char/tape_std.h
View File

@ -153,6 +153,7 @@ enum s390_tape_type {
tape_3480,
tape_3490,
tape_3590,
tape_3592,
};
#endif // _TAPE_STD_H