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Commit cc961d40 authored by Jan Glauber's avatar Jan Glauber Committed by Martin Schwidefsky
Browse files

[S390] qdio: remove API wrappers 



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

Signed-off-by: default avatarJan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent d0c9d4a8

arch/s390/include/asm/qdio.h

+0 −2
Original line number Diff line number Diff line
@@ -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*);

drivers/s390/cio/qdio_main.c

+0 −46
Original line number Diff line number Diff line
@@ -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

drivers/s390/net/qeth_core_main.c

+13 −4
Original line number Diff line number Diff line
@@ -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);