| From | "K. Y. Srinivasan" <> | Subject | [PATCH 116/117] Staging: hv: vmbus: Add code to display modalias attribute | Date | Fri, 15 Jul 2011 10:47:44 -0700 |
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Add code to display modalias attribute.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> --- drivers/staging/hv/vmbus_drv.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index f271e8d..433be51 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@ -113,6 +113,14 @@ static ssize_t vmbus_show_device_attr(struct device *dev, if (!strcmp(dev_attr->attr.name, "class_id")) { return sprintf(buf, "%s\n", hv_get_devtype_name(&device_info.chn_type)); + } else if (!strcmp(dev_attr->attr.name, "modalias")) { + int i; + char alias_name[((sizeof(struct hv_vmbus_device_id) + 1)) * 2]; + + for (i = 0; i < (sizeof(struct hv_vmbus_device_id) * 2); i += 2) + sprintf(&alias_name[i], "%02x", + hv_dev->dev_type.b[i/2]); + return sprintf("vmbus:%s\n", alias_name); } else if (!strcmp(dev_attr->attr.name, "state")) { return sprintf(buf, "%d\n", device_info.chn_state); } else if (!strcmp(dev_attr->attr.name, "id")) { @@ -167,6 +175,7 @@ static struct device_attribute vmbus_device_attrs[] = { __ATTR(id, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(state, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(class_id, S_IRUGO, vmbus_show_device_attr, NULL), + __ATTR(modalias, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(monitor_id, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(server_monitor_pending, S_IRUGO, vmbus_show_device_attr, NULL), -- 1.7.4.1
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