diff options
| -rw-r--r-- | drivers/s390/cio/qdio.h | 4 | ||||
| -rw-r--r-- | drivers/s390/cio/qdio_main.c | 22 | ||||
| -rw-r--r-- | drivers/s390/cio/qdio_setup.c | 20 |
3 files changed, 20 insertions, 26 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 99c2212dc6a6..5f43e2b0c855 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -237,8 +237,6 @@ struct qdio_irq { int nr_output_qs; struct ccw1 ccw; - struct ciw equeue; - struct ciw aqueue; struct qdio_ssqd_desc ssqd_desc; void (*orig_handler) (struct ccw_device *, unsigned long, struct irb *); @@ -338,7 +336,7 @@ void qdio_setup_ssqd_info(struct qdio_irq *irq_ptr); int qdio_setup_get_ssqd(struct qdio_irq *irq_ptr, struct subchannel_id *schid, struct qdio_ssqd_desc *data); -int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data); +void qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data); void qdio_shutdown_irq(struct qdio_irq *irq); void qdio_print_subchannel_info(struct qdio_irq *irq_ptr); void qdio_free_queues(struct qdio_irq *irq_ptr); diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 45e810c6ea3b..c42ce1933b2e 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -972,6 +972,7 @@ int qdio_establish(struct ccw_device *cdev, { struct qdio_irq *irq_ptr = cdev->private->qdio_data; struct subchannel_id schid; + struct ciw *ciw; long timeout; int rc; @@ -996,6 +997,12 @@ int qdio_establish(struct ccw_device *cdev, if (!init_data->irq_poll) return -EINVAL; + ciw = ccw_device_get_ciw(cdev, CIW_TYPE_EQUEUE); + if (!ciw) { + DBF_ERROR("%4x NO EQ", schid.sch_no); + return -EIO; + } + mutex_lock(&irq_ptr->setup_mutex); qdio_trace_init_data(irq_ptr, init_data); qdio_setup_irq(irq_ptr, init_data); @@ -1005,9 +1012,9 @@ int qdio_establish(struct ccw_device *cdev, goto err_thinint; /* establish q */ - irq_ptr->ccw.cmd_code = irq_ptr->equeue.cmd; + irq_ptr->ccw.cmd_code = ciw->cmd; irq_ptr->ccw.flags = CCW_FLAG_SLI; - irq_ptr->ccw.count = irq_ptr->equeue.count; + irq_ptr->ccw.count = ciw->count; irq_ptr->ccw.cda = (u32) virt_to_phys(irq_ptr->qdr); spin_lock_irq(get_ccwdev_lock(cdev)); @@ -1065,6 +1072,7 @@ int qdio_activate(struct ccw_device *cdev) { struct qdio_irq *irq_ptr = cdev->private->qdio_data; struct subchannel_id schid; + struct ciw *ciw; int rc; ccw_device_get_schid(cdev, &schid); @@ -1073,15 +1081,21 @@ int qdio_activate(struct ccw_device *cdev) if (!irq_ptr) return -ENODEV; + ciw = ccw_device_get_ciw(cdev, CIW_TYPE_AQUEUE); + if (!ciw) { + DBF_ERROR("%4x NO AQ", schid.sch_no); + return -EIO; + } + mutex_lock(&irq_ptr->setup_mutex); if (irq_ptr->state == QDIO_IRQ_STATE_INACTIVE) { rc = -EBUSY; goto out; } - irq_ptr->ccw.cmd_code = irq_ptr->aqueue.cmd; + irq_ptr->ccw.cmd_code = ciw->cmd; irq_ptr->ccw.flags = CCW_FLAG_SLI; - irq_ptr->ccw.count = irq_ptr->aqueue.count; + irq_ptr->ccw.count = ciw->count; irq_ptr->ccw.cda = 0; spin_lock_irq(get_ccwdev_lock(cdev)); diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index efbb5e5eca05..766f1e849fae 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -351,10 +351,9 @@ static void setup_qib(struct qdio_irq *irq_ptr, sizeof(irq_ptr->qib.parm)); } -int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) +void qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) { struct ccw_device *cdev = irq_ptr->cdev; - struct ciw *ciw; irq_ptr->qdioac1 = 0; memset(&irq_ptr->ccw, 0, sizeof(irq_ptr->ccw)); @@ -386,23 +385,6 @@ int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) irq_ptr->orig_handler = cdev->handler; cdev->handler = qdio_int_handler; spin_unlock_irq(get_ccwdev_lock(cdev)); - - /* get qdio commands */ - ciw = ccw_device_get_ciw(cdev, CIW_TYPE_EQUEUE); - if (!ciw) { - DBF_ERROR("%4x NO EQ", irq_ptr->schid.sch_no); - return -EINVAL; - } - irq_ptr->equeue = *ciw; - - ciw = ccw_device_get_ciw(cdev, CIW_TYPE_AQUEUE); - if (!ciw) { - DBF_ERROR("%4x NO AQ", irq_ptr->schid.sch_no); - return -EINVAL; - } - irq_ptr->aqueue = *ciw; - - return 0; } void qdio_shutdown_irq(struct qdio_irq *irq) |