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[S390] qdio: remove API wrappers 

Remove qdio API wrappers used by qeth and replace them by calling the
appropriate functions directly.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Jan Glauber 2010-05-17 10:00:19 +02:00 committed by Martin Schwidefsky
parent d0c9d4a89f
commit cc961d400e
3 changed files with 13 additions and 52 deletions
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2
arch/s390/include/asm/qdio.h
View File

@ -368,14 +368,12 @@ struct qdio_initialize {
#define QDIO_FLAG_SYNC_OUTPUT 0x02
#define QDIO_FLAG_PCI_OUT 0x10
extern int qdio_initialize(struct qdio_initialize *);
extern int qdio_allocate(struct qdio_initialize *);
extern int qdio_establish(struct qdio_initialize *);
extern int qdio_activate(struct ccw_device *);
extern int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
int q_nr, unsigned int bufnr, unsigned int count);
extern int qdio_cleanup(struct ccw_device*, int);
extern int qdio_shutdown(struct ccw_device*, int);
extern int qdio_free(struct ccw_device *);
extern int qdio_get_ssqd_desc(struct ccw_device *dev, struct qdio_ssqd_desc*);

46
drivers/s390/cio/qdio_main.c
View File

@ -1023,30 +1023,6 @@ int qdio_get_ssqd_desc(struct ccw_device *cdev,
}
EXPORT_SYMBOL_GPL(qdio_get_ssqd_desc);
/**
* qdio_cleanup - shutdown queues and free data structures
* @cdev: associated ccw device
* @how: use halt or clear to shutdown
*
* This function calls qdio_shutdown() for @cdev with method @how.
* and qdio_free(). The qdio_free() return value is ignored since
* !irq_ptr is already checked.
*/
int qdio_cleanup(struct ccw_device *cdev, int how)
{
struct qdio_irq *irq_ptr = cdev->private->qdio_data;
int rc;
if (!irq_ptr)
return -ENODEV;
rc = qdio_shutdown(cdev, how);
qdio_free(cdev);
return rc;
}
EXPORT_SYMBOL_GPL(qdio_cleanup);
static void qdio_shutdown_queues(struct ccw_device *cdev)
{
struct qdio_irq *irq_ptr = cdev->private->qdio_data;
@ -1163,28 +1139,6 @@ int qdio_free(struct ccw_device *cdev)
}
EXPORT_SYMBOL_GPL(qdio_free);
/**
* qdio_initialize - allocate and establish queues for a qdio subchannel
* @init_data: initialization data
*
* This function first allocates queues via qdio_allocate() and on success
* establishes them via qdio_establish().
*/
int qdio_initialize(struct qdio_initialize *init_data)
{
int rc;
rc = qdio_allocate(init_data);
if (rc)
return rc;
rc = qdio_establish(init_data);
if (rc)
qdio_free(init_data->cdev);
return rc;
}
EXPORT_SYMBOL_GPL(qdio_initialize);
/**
* qdio_allocate - allocate qdio queues and associated data
* @init_data: initialization data

17
drivers/s390/net/qeth_core_main.c
View File

@ -1292,13 +1292,14 @@ int qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
QETH_QDIO_CLEANING)) {
case QETH_QDIO_ESTABLISHED:
if (card->info.type == QETH_CARD_TYPE_IQD)
rc = qdio_cleanup(CARD_DDEV(card),
rc = qdio_shutdown(CARD_DDEV(card),
QDIO_FLAG_CLEANUP_USING_HALT);
else
rc = qdio_cleanup(CARD_DDEV(card),
rc = qdio_shutdown(CARD_DDEV(card),
QDIO_FLAG_CLEANUP_USING_CLEAR);
if (rc)
QETH_DBF_TEXT_(TRACE, 3, "1err%d", rc);
qdio_free(CARD_DDEV(card));
atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
break;
case QETH_QDIO_CLEANING:
@ -3810,10 +3811,18 @@ static int qeth_qdio_establish(struct qeth_card *card)
if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) {
rc = qdio_initialize(&init_data);
if (rc)
rc = qdio_allocate(&init_data);
if (rc) {
atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
goto out;
}
rc = qdio_establish(&init_data);
if (rc) {
atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
qdio_free(CARD_DDEV(card));
}
}
out:
kfree(out_sbal_ptrs);
kfree(in_sbal_ptrs);
kfree(qib_param_field);