diff options
author | Julian Wiedmann <jwi@linux.ibm.com> | 2020-03-20 14:00:00 +0100 |
---|---|---|
committer | Vasily Gorbik <gor@linux.ibm.com> | 2020-03-27 10:22:48 +0100 |
commit | b2745655be3658cd422ba2b07cf19eb64e0c0eaf (patch) | |
tree | 4fecd6e044126790badc9d4015fee399a2dbe368 /drivers/s390 | |
parent | dea284867701024d5058d7ab1542763a12006595 (diff) |
s390/qdio: set qdio_irq->cdev at allocation time
Set up qdio_irq->cdev right when the qdio_irq struct is allocated, so
that all subsequent code can rely on this pointer.
Then convert two helper functions to not pass a cdev parameter around.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r-- | drivers/s390/cio/qdio.h | 3 | ||||
-rw-r--r-- | drivers/s390/cio/qdio_debug.c | 8 | ||||
-rw-r--r-- | drivers/s390/cio/qdio_debug.h | 3 | ||||
-rw-r--r-- | drivers/s390/cio/qdio_main.c | 10 | ||||
-rw-r--r-- | drivers/s390/cio/qdio_setup.c | 8 |
5 files changed, 15 insertions, 17 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 8564e8a8e359..098bf8c9bbec 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -391,8 +391,7 @@ 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_print_subchannel_info(struct qdio_irq *irq_ptr, - struct ccw_device *cdev); +void qdio_print_subchannel_info(struct qdio_irq *irq_ptr); void qdio_release_memory(struct qdio_irq *irq_ptr); int qdio_setup_init(void); void qdio_setup_exit(void); diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index 8544faddf80c..f21fb406bef0 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -81,7 +81,7 @@ int qdio_allocate_dbf(struct qdio_initialize *init_data, /* allocate trace view for the interface */ snprintf(text, QDIO_DBF_NAME_LEN, "qdio_%s", - dev_name(&init_data->cdev->dev)); + dev_name(&irq_ptr->cdev->dev)); irq_ptr->debug_area = qdio_get_dbf_entry(text); if (irq_ptr->debug_area) DBF_DEV_EVENT(DBF_ERR, irq_ptr, "dbf reused"); @@ -311,16 +311,16 @@ static void setup_debugfs_entry(struct dentry *parent, struct qdio_q *q) debugfs_create_file(name, 0444, parent, q, &qstat_fops); } -void qdio_setup_debug_entries(struct qdio_irq *irq_ptr, struct ccw_device *cdev) +void qdio_setup_debug_entries(struct qdio_irq *irq_ptr) { struct qdio_q *q; int i; - irq_ptr->debugfs_dev = debugfs_create_dir(dev_name(&cdev->dev), + irq_ptr->debugfs_dev = debugfs_create_dir(dev_name(&irq_ptr->cdev->dev), debugfs_root); debugfs_create_file("statistics", S_IFREG | S_IRUGO | S_IWUSR, irq_ptr->debugfs_dev, irq_ptr, &debugfs_perf_fops); - debugfs_create_file("ssqd", 0444, irq_ptr->debugfs_dev, cdev, + debugfs_create_file("ssqd", 0444, irq_ptr->debugfs_dev, irq_ptr->cdev, &ssqd_fops); for_each_input_queue(irq_ptr, q, i) diff --git a/drivers/s390/cio/qdio_debug.h b/drivers/s390/cio/qdio_debug.h index f85f5fa7cefc..122450ba6b90 100644 --- a/drivers/s390/cio/qdio_debug.h +++ b/drivers/s390/cio/qdio_debug.h @@ -66,8 +66,7 @@ static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr, int qdio_allocate_dbf(struct qdio_initialize *init_data, struct qdio_irq *irq_ptr); -void qdio_setup_debug_entries(struct qdio_irq *irq_ptr, - struct ccw_device *cdev); +void qdio_setup_debug_entries(struct qdio_irq *irq_ptr); void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr); int qdio_debug_init(void); void qdio_debug_exit(void); diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 2886b95f4741..e93155dbe887 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -1229,10 +1229,11 @@ EXPORT_SYMBOL_GPL(qdio_free); */ int qdio_allocate(struct qdio_initialize *init_data) { + struct ccw_device *cdev = init_data->cdev; struct subchannel_id schid; struct qdio_irq *irq_ptr; - ccw_device_get_schid(init_data->cdev, &schid); + ccw_device_get_schid(cdev, &schid); DBF_EVENT("qallocate:%4x", schid.sch_no); if ((init_data->no_input_qs && !init_data->input_handler) || @@ -1252,6 +1253,7 @@ int qdio_allocate(struct qdio_initialize *init_data) if (!irq_ptr) goto out_err; + irq_ptr->cdev = cdev; mutex_init(&irq_ptr->setup_mutex); if (qdio_allocate_dbf(init_data, irq_ptr)) goto out_rel; @@ -1276,7 +1278,7 @@ int qdio_allocate(struct qdio_initialize *init_data) goto out_rel; INIT_LIST_HEAD(&irq_ptr->entry); - init_data->cdev->private->qdio_data = irq_ptr; + cdev->private->qdio_data = irq_ptr; qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE); return 0; out_rel: @@ -1372,8 +1374,8 @@ int qdio_establish(struct qdio_initialize *init_data) qdio_init_buf_states(irq_ptr); mutex_unlock(&irq_ptr->setup_mutex); - qdio_print_subchannel_info(irq_ptr, cdev); - qdio_setup_debug_entries(irq_ptr, cdev); + qdio_print_subchannel_info(irq_ptr); + qdio_setup_debug_entries(irq_ptr); return 0; } EXPORT_SYMBOL_GPL(qdio_establish); diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index ad04947a0032..e1b7a9118f9d 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -452,8 +452,8 @@ static void setup_qib(struct qdio_irq *irq_ptr, int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) { + struct ccw_device *cdev = irq_ptr->cdev; struct ciw *ciw; - struct ccw_device *cdev = init_data->cdev; memset(&irq_ptr->qib, 0, sizeof(irq_ptr->qib)); memset(&irq_ptr->siga_flag, 0, sizeof(irq_ptr->siga_flag)); @@ -471,7 +471,6 @@ int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) irq_ptr->int_parm = init_data->int_parm; irq_ptr->nr_input_qs = init_data->no_input_qs; irq_ptr->nr_output_qs = init_data->no_output_qs; - irq_ptr->cdev = cdev; irq_ptr->scan_threshold = init_data->scan_threshold; ccw_device_get_schid(cdev, &irq_ptr->schid); setup_queues(irq_ptr, init_data); @@ -511,14 +510,13 @@ int qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) return 0; } -void qdio_print_subchannel_info(struct qdio_irq *irq_ptr, - struct ccw_device *cdev) +void qdio_print_subchannel_info(struct qdio_irq *irq_ptr) { char s[80]; snprintf(s, 80, "qdio: %s %s on SC %x using " "AI:%d QEBSM:%d PRI:%d TDD:%d SIGA:%s%s%s%s%s\n", - dev_name(&cdev->dev), + dev_name(&irq_ptr->cdev->dev), (irq_ptr->qib.qfmt == QDIO_QETH_QFMT) ? "OSA" : ((irq_ptr->qib.qfmt == QDIO_ZFCP_QFMT) ? "ZFCP" : "HS"), irq_ptr->schid.sch_no, |