[S390] cio: css_driver: Use consistent parameters.

Make all callbacks in css_driver take a struct subchannel (and not
a struct device).

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 597c0c7..44a2ea4 100644 (file)
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -132,7 +132,7 @@ static void terminate_internal_io(struct subchannel *sch)
        device_set_intretry(sch);
        /* Call handler. */
        if (sch->driver && sch->driver->termination)
-               sch->driver->termination(&sch->dev);
+               sch->driver->termination(sch);
 }
 
 static int
@@ -172,12 +172,12 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
                        terminate_internal_io(sch);
                        /* Re-start path verification. */
                        if (sch->driver && sch->driver->verify)
-                               sch->driver->verify(&sch->dev);
+                               sch->driver->verify(sch);
                }
        } else {
                /* trigger path verification. */
                if (sch->driver && sch->driver->verify)
-                       sch->driver->verify(&sch->dev);
+                       sch->driver->verify(sch);
                else if (sch->lpm == mask)
                        goto out_unreg;
        }
@@ -279,7 +279,7 @@ __s390_process_res_acc(struct subchannel_id schid, void *data)
        if (!old_lpm && sch->lpm)
                device_trigger_reprobe(sch);
        else if (sch->driver && sch->driver->verify)
-               sch->driver->verify(&sch->dev);
+               sch->driver->verify(sch);
 out:
        spin_unlock_irq(sch->lock);
        put_device(&sch->dev);
@@ -549,7 +549,7 @@ __chp_add(struct subchannel_id schid, void *data)
                    | mask) & sch->opm;
 
        if (sch->driver && sch->driver->verify)
-               sch->driver->verify(&sch->dev);
+               sch->driver->verify(sch);
 
        spin_unlock_irq(sch->lock);
        put_device(&sch->dev);
@@ -589,7 +589,7 @@ static void __s390_subchannel_vary_chpid(struct subchannel *sch,
                        if (!old_lpm)
                                device_trigger_reprobe(sch);
                        else if (sch->driver && sch->driver->verify)
-                               sch->driver->verify(&sch->dev);
+                               sch->driver->verify(sch);
                        break;
                }
                sch->opm &= ~mask;
@@ -603,13 +603,13 @@ static void __s390_subchannel_vary_chpid(struct subchannel *sch,
                                terminate_internal_io(sch);
                                /* Re-start path verification. */
                                if (sch->driver && sch->driver->verify)
-                                       sch->driver->verify(&sch->dev);
+                                       sch->driver->verify(sch);
                        }
                } else if (!sch->lpm) {
                        if (device_trigger_verify(sch) != 0)
                                css_schedule_eval(sch->schid);
                } else if (sch->driver && sch->driver->verify)
-                       sch->driver->verify(&sch->dev);
+                       sch->driver->verify(sch);
                break;
        }
        spin_unlock_irqrestore(sch->lock, flags);

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 4690534..469b007 100644 (file)
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -147,7 +147,7 @@ cio_tpi(void)
        spin_lock(sch->lock);
        memcpy (&sch->schib.scsw, &irb->scsw, sizeof (struct scsw));
        if (sch->driver && sch->driver->irq)
-               sch->driver->irq(&sch->dev);
+               sch->driver->irq(sch);
        spin_unlock(sch->lock);
        irq_exit ();
        _local_bh_enable();
@@ -680,7 +680,7 @@ do_IRQ (struct pt_regs *regs)
                                sizeof (irb->scsw));
                        /* Call interrupt handler if there is one. */
                        if (sch->driver && sch->driver->irq)
-                               sch->driver->irq(&sch->dev);
+                               sch->driver->irq(sch);
                }
                if (sch)
                        spin_unlock(sch->lock);

diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index bc2f8fa..614cc69 100644 (file)
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -293,7 +293,7 @@ static int css_evaluate_known_subchannel(struct subchannel *sch, int slow)
                action = UNREGISTER;
                if (sch->driver && sch->driver->notify) {
                        spin_unlock_irqrestore(sch->lock, flags);
-                       ret = sch->driver->notify(&sch->dev, event);
+                       ret = sch->driver->notify(sch, event);
                        spin_lock_irqsave(sch->lock, flags);
                        if (ret)
                                action = NONE;

diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 1d8306c..32acd24 100644 (file)
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -125,10 +125,10 @@ struct subchannel;
 struct css_driver {
        unsigned int subchannel_type;
        struct device_driver drv;
-       void (*irq)(struct device *);
-       int (*notify)(struct device *, int);
-       void (*verify)(struct device *);
-       void (*termination)(struct device *);
+       void (*irq)(struct subchannel *);
+       int (*notify)(struct subchannel *, int);
+       void (*verify)(struct subchannel *);
+       void (*termination)(struct subchannel *);
        int (*probe)(struct subchannel *);
        int (*remove)(struct subchannel *);
        void (*shutdown)(struct subchannel *);

diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 74f6b53..000c641 100644 (file)
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -115,11 +115,12 @@ static int ccw_uevent(struct device *dev, struct kobj_uevent_env *env)
 
 struct bus_type ccw_bus_type;
 
-static int io_subchannel_probe (struct subchannel *);
-static int io_subchannel_remove (struct subchannel *);
-static int io_subchannel_notify(struct device *, int);
-static void io_subchannel_verify(struct device *);
-static void io_subchannel_ioterm(struct device *);
+static void io_subchannel_irq(struct subchannel *);
+static int io_subchannel_probe(struct subchannel *);
+static int io_subchannel_remove(struct subchannel *);
+static int io_subchannel_notify(struct subchannel *, int);
+static void io_subchannel_verify(struct subchannel *);
+static void io_subchannel_ioterm(struct subchannel *);
 static void io_subchannel_shutdown(struct subchannel *);
 
 static struct css_driver io_subchannel_driver = {
@@ -1096,6 +1097,18 @@ out:
        put_device(&cdev->dev);
 }
 
+static void io_subchannel_irq(struct subchannel *sch)
+{
+       struct ccw_device *cdev;
+
+       cdev = sch->dev.driver_data;
+
+       CIO_TRACE_EVENT(3, "IRQ");
+       CIO_TRACE_EVENT(3, sch->dev.bus_id);
+       if (cdev)
+               dev_fsm_event(cdev, DEV_EVENT_INTERRUPT);
+}
+
 static int
 io_subchannel_probe (struct subchannel *sch)
 {
@@ -1183,12 +1196,11 @@ io_subchannel_remove (struct subchannel *sch)
        return 0;
 }
 
-static int
-io_subchannel_notify(struct device *dev, int event)
+static int io_subchannel_notify(struct subchannel *sch, int event)
 {
        struct ccw_device *cdev;
 
-       cdev = dev->driver_data;
+       cdev = sch->dev.driver_data;
        if (!cdev)
                return 0;
        if (!cdev->drv)
@@ -1198,22 +1210,20 @@ io_subchannel_notify(struct device *dev, int event)
        return cdev->drv->notify ? cdev->drv->notify(cdev, event) : 0;
 }
 
-static void
-io_subchannel_verify(struct device *dev)
+static void io_subchannel_verify(struct subchannel *sch)
 {
        struct ccw_device *cdev;
 
-       cdev = dev->driver_data;
+       cdev = sch->dev.driver_data;
        if (cdev)
                dev_fsm_event(cdev, DEV_EVENT_VERIFY);
 }
 
-static void
-io_subchannel_ioterm(struct device *dev)
+static void io_subchannel_ioterm(struct subchannel *sch)
 {
        struct ccw_device *cdev;
 
-       cdev = dev->driver_data;
+       cdev = sch->dev.driver_data;
        if (!cdev)
                return;
        /* Internal I/O will be retried by the interrupt handler. */

diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index 0d40896..6183731 100644 (file)
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -74,7 +74,6 @@ extern struct workqueue_struct *ccw_device_notify_work;
 extern wait_queue_head_t ccw_device_init_wq;
 extern atomic_t ccw_device_init_count;
 
-void io_subchannel_irq (struct device *pdev);
 void io_subchannel_recog_done(struct ccw_device *cdev);
 
 int ccw_device_cancel_halt_clear(struct ccw_device *);

diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 31c0f78..baca6c6 100644 (file)
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -399,7 +399,7 @@ ccw_device_oper_notify(struct work_struct *work)
        sch = to_subchannel(cdev->dev.parent);
        if (sch->driver && sch->driver->notify) {
                spin_unlock_irqrestore(cdev->ccwlock, flags);
-               ret = sch->driver->notify(&sch->dev, CIO_OPER);
+               ret = sch->driver->notify(sch, CIO_OPER);
                spin_lock_irqsave(cdev->ccwlock, flags);
        } else
                ret = 0;
@@ -1273,21 +1273,4 @@ fsm_func_t *dev_jumptable[NR_DEV_STATES][NR_DEV_EVENTS] = {
        },
 };
 
-/*
- * io_subchannel_irq is called for "real" interrupts or for status
- * pending conditions on msch.
- */
-void
-io_subchannel_irq (struct device *pdev)
-{
-       struct ccw_device *cdev;
-
-       cdev = to_subchannel(pdev)->dev.driver_data;
-
-       CIO_TRACE_EVENT (3, "IRQ");
-       CIO_TRACE_EVENT (3, pdev->bus_id);
-       if (cdev)
-               dev_fsm_event(cdev, DEV_EVENT_INTERRUPT);
-}
-
 EXPORT_SYMBOL_GPL(ccw_device_set_timeout);