staging: unisys: visorbus: visorbus_main.c: remove blank lines
Removes several extraneous blank lines in visorbus_main.c. Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Kershner
Greg Kroah-Hartman
Родитель
9116ae7afa
Коммит
4e95347b18
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@ -122,7 +122,6 @@ static int visorbus_uevent(struct device *xdev, struct kobj_uevent_env *env)
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dev = to_visor_device(xdev);
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guid = visorchannel_get_guid(dev->visorchannel);
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return add_uevent_var(env, "MODALIAS=visorbus:%pUl", guid);
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}
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@ -147,11 +146,9 @@ static int visorbus_match(struct device *xdev, struct device_driver *xdrv)
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drv = to_visor_driver(xdrv);
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if (!drv->channel_types)
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return 0;
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for (i = 0; !guid_is_null(&drv->channel_types[i].guid); i++)
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if (guid_equal(&drv->channel_types[i].guid, channel_type))
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return i + 1;
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return 0;
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}
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@ -288,7 +285,6 @@ ATTRIBUTE_GROUPS(channel);
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* define & implement display of bus attributes under
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* /sys/bus/visorbus/devices/visorbus<n>.
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*/
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static ssize_t partition_handle_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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@ -346,7 +342,6 @@ static ssize_t channel_id_show(struct device *dev,
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visorchannel_id(vdev->visorchannel, buf);
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len = strlen(buf);
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buf[len++] = '\n';
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return len;
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}
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static DEVICE_ATTR_RO(channel_id);
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@ -386,13 +381,11 @@ static void vbuschannel_print_devinfo(struct visor_vbus_deviceinfo *devinfo,
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/* uninitialized vbus device entry */
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if (!isprint(devinfo->devtype[0]))
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return;
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if (devix >= 0)
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seq_printf(seq, "[%d]", devix);
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else
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/* vbus device entry is for bus or chipset */
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seq_puts(seq, " ");
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/*
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* Note: because the s-Par back-end is free to scribble in this area,
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* we never assume '\0'-termination.
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@ -420,7 +413,6 @@ static int bus_info_debugfs_show(struct seq_file *seq, void *v)
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"Client device/driver info for %s partition (vbus #%u):\n",
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((vdev->name) ? (char *)(vdev->name) : ""),
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vdev->chipset_bus_no);
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if (visorchannel_read(channel,
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offsetof(struct visor_vbus_channel, chp_info),
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&dev_info, sizeof(dev_info)) >= 0)
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@ -438,7 +430,6 @@ static int bus_info_debugfs_show(struct seq_file *seq, void *v)
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off += sizeof(dev_info);
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i++;
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}
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return 0;
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}
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@ -468,6 +459,7 @@ static int dev_start_periodic_work(struct visor_device *dev)
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{
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if (dev->being_removed || dev->timer_active)
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return -EINVAL;
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/* now up by at least 2 */
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get_device(&dev->device);
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dev->timer.expires = jiffies + POLLJIFFIES_NORMALCHANNEL;
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@ -480,6 +472,7 @@ static void dev_stop_periodic_work(struct visor_device *dev)
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{
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if (!dev->timer_active)
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return;
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del_timer_sync(&dev->timer);
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dev->timer_active = false;
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put_device(&dev->device);
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@ -507,10 +500,8 @@ static int visordriver_remove_device(struct device *xdev)
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dev->being_removed = true;
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drv->remove(dev);
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mutex_unlock(&dev->visordriver_callback_lock);
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dev_stop_periodic_work(dev);
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put_device(&dev->device);
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return 0;
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}
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@ -633,7 +624,6 @@ int create_visor_device(struct visor_device *dev)
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/* keep a reference just for us (now 2) */
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get_device(&dev->device);
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setup_timer(&dev->timer, dev_periodic_work, (unsigned long)dev);
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/*
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* bus_id must be a unique name with respect to this bus TYPE (NOT bus
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* instance). That's why we need to include the bus number within the
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@ -643,7 +633,6 @@ int create_visor_device(struct visor_device *dev)
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chipset_bus_no, chipset_dev_no);
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if (err)
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goto err_put;
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/*
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* device_add does this:
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* bus_add_device(dev)
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@ -664,7 +653,6 @@ int create_visor_device(struct visor_device *dev)
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err = device_add(&dev->device);
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if (err < 0)
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goto err_put;
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list_add_tail(&dev->list_all, &list_all_device_instances);
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dev->state.created = 1;
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visorbus_response(dev, err, CONTROLVM_DEVICE_CREATE);
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@ -705,14 +693,11 @@ static int get_vbus_header_info(struct visorchannel *chan,
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sizeof(*hdr_info));
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if (err < 0)
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return err;
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if (hdr_info->struct_bytes < sizeof(struct visor_vbus_headerinfo))
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return -EINVAL;
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if (hdr_info->device_info_struct_bytes <
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sizeof(struct visor_vbus_deviceinfo))
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return -EINVAL;
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return 0;
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}
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@ -763,6 +748,7 @@ static void write_vbus_bus_info(struct visorchannel *chan,
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if (hdr_info->bus_info_offset == 0)
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return;
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off = sizeof(struct channel_header) + hdr_info->bus_info_offset;
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visorchannel_write(chan, off, info, sizeof(*info));
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}
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@ -831,7 +817,6 @@ static void publish_vbus_dev_info(struct visor_device *visordev)
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if (!visordev->device.driver)
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return;
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bdev = visorbus_get_device_by_id(bus_no, BUS_ROOT_DEVICE, NULL);
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if (!bdev)
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return;
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@ -853,7 +838,6 @@ static void publish_vbus_dev_info(struct visor_device *visordev)
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break;
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}
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}
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bus_device_info_init(&dev_info, chan_type_name, visordrv->name);
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write_vbus_dev_info(bdev->visorchannel, hdr_info, &dev_info, dev_no);
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write_vbus_chp_info(bdev->visorchannel, hdr_info, &chipset_driverinfo);
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@ -887,13 +871,11 @@ static int visordriver_probe_device(struct device *xdev)
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mutex_lock(&dev->visordriver_callback_lock);
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dev->being_removed = false;
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err = drv->probe(dev);
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if (err) {
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mutex_unlock(&dev->visordriver_callback_lock);
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return err;
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}
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/* success: reference kept via unmatched get_device() */
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get_device(&dev->device);
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publish_vbus_dev_info(dev);
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@ -954,16 +936,12 @@ int visorbus_register_visor_driver(struct visor_driver *drv)
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/* can't register on a nonexistent bus */
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if (!initialized)
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return -ENODEV;
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if (!drv->probe)
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return -EINVAL;
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if (!drv->remove)
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return -EINVAL;
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if (!drv->pause)
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return -EINVAL;
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if (!drv->resume)
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return -EINVAL;
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@ -972,7 +950,6 @@ int visorbus_register_visor_driver(struct visor_driver *drv)
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drv->driver.probe = visordriver_probe_device;
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drv->driver.remove = visordriver_remove_device;
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drv->driver.owner = drv->owner;
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/*
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* driver_register does this:
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* bus_add_driver(drv)
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@ -985,7 +962,6 @@ int visorbus_register_visor_driver(struct visor_driver *drv)
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* if (!drv.probe(dev)) [visordriver_probe_device]
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* dev.drv = NULL
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*/
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return driver_register(&drv->driver);
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}
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EXPORT_SYMBOL_GPL(visorbus_register_visor_driver);
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@ -1006,12 +982,10 @@ int visorbus_create_instance(struct visor_device *dev)
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hdr_info = kzalloc(sizeof(*hdr_info), GFP_KERNEL);
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if (!hdr_info)
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return -ENOMEM;
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dev_set_name(&dev->device, "visorbus%d", id);
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dev->device.bus = &visorbus_type;
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dev->device.groups = visorbus_groups;
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dev->device.release = visorbus_release_busdevice;
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dev->debugfs_dir = debugfs_create_dir(dev_name(&dev->device),
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visorbus_debugfs_dir);
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dev->debugfs_bus_info = debugfs_create_file("client_bus_info", 0440,
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@ -1021,20 +995,15 @@ int visorbus_create_instance(struct visor_device *dev)
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err = get_vbus_header_info(dev->visorchannel, &dev->device, hdr_info);
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if (err < 0)
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goto err_debugfs_dir;
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err = device_register(&dev->device);
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if (err < 0)
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goto err_debugfs_dir;
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list_add_tail(&dev->list_all, &list_all_bus_instances);
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dev->state.created = 1;
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dev->vbus_hdr_info = (void *)hdr_info;
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write_vbus_chp_info(dev->visorchannel, hdr_info, &chipset_driverinfo);
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write_vbus_bus_info(dev->visorchannel, hdr_info, &clientbus_driverinfo);
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visorbus_response(dev, err, CONTROLVM_BUS_CREATE);
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return 0;
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err_debugfs_dir:
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@ -1199,7 +1168,6 @@ int visorchipset_device_resume(struct visor_device *dev_info)
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dev_info->resuming = false;
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return err;
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}
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return 0;
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}
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@ -1210,16 +1178,12 @@ int visorbus_init(void)
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visorbus_debugfs_dir = debugfs_create_dir("visorbus", NULL);
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if (!visorbus_debugfs_dir)
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return -ENOMEM;
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bus_device_info_init(&clientbus_driverinfo, "clientbus", "visorbus");
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err = bus_register(&visorbus_type);
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if (err < 0)
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return err;
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initialized = true;
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bus_device_info_init(&chipset_driverinfo, "chipset", "visorchipset");
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return 0;
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}
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@ -1228,14 +1192,12 @@ void visorbus_exit(void)
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struct list_head *listentry, *listtmp;
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remove_all_visor_devices();
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list_for_each_safe(listentry, listtmp, &list_all_bus_instances) {
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struct visor_device *dev;
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dev = list_entry(listentry, struct visor_device, list_all);
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visorbus_remove_instance(dev);
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}
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bus_unregister(&visorbus_type);
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initialized = false;
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debugfs_remove_recursive(visorbus_debugfs_dir);
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