diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-13 11:32:54 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-26 09:01:16 -0700 |
| commit | 7c55e1d0e64cf5acd8cf4a25927e2c7c322063aa (patch) | |
| tree | c1013115c85c54faf9ed3137502ac23c119a0fdc /drivers/hv/vmbus_drv.c | |
| parent | 68234c049cc1637a8898ebb3743c8587560929b7 (diff) | |
| download | lwn-7c55e1d0e64cf5acd8cf4a25927e2c7c322063aa.tar.gz lwn-7c55e1d0e64cf5acd8cf4a25927e2c7c322063aa.zip | |
hv: move "device_id" bus attribute to dev_groups
This moves the "device_id" bus attribute to the dev_groups structure,
removing the need for it to be in a temporary structure.
Tested-by: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv/vmbus_drv.c')
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 48258ae3467d..944dc4b0b54d 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -47,8 +47,6 @@ static struct completion probe_event; static int irq; struct hv_device_info { - uuid_le chn_instance; - u32 server_monitor_pending; u32 server_monitor_latency; u32 server_monitor_conn_id; @@ -79,9 +77,6 @@ static void get_channel_info(struct hv_device *device, vmbus_get_debug_info(device->channel, &debug_info); - memcpy(&info->chn_instance, &debug_info.interface_instance, - sizeof(uuid_le)); - info->server_monitor_pending = debug_info.servermonitor_pending; info->server_monitor_latency = debug_info.servermonitor_latency; info->server_monitor_conn_id = debug_info.servermonitor_connectionid; @@ -136,9 +131,7 @@ static ssize_t vmbus_show_device_attr(struct device *dev, get_channel_info(hv_dev, device_info); - if (!strcmp(dev_attr->attr.name, "device_id")) { - ret = sprintf(buf, "{%pUl}\n", device_info->chn_instance.b); - } else if (!strcmp(dev_attr->attr.name, "out_intr_mask")) { + if (!strcmp(dev_attr->attr.name, "out_intr_mask")) { ret = sprintf(buf, "%d\n", device_info->outbound.int_mask); } else if (!strcmp(dev_attr->attr.name, "out_read_index")) { ret = sprintf(buf, "%d\n", device_info->outbound.read_idx); @@ -227,6 +220,18 @@ static ssize_t class_id_show(struct device *dev, } static DEVICE_ATTR_RO(class_id); +static ssize_t device_id_show(struct device *dev, + struct device_attribute *dev_attr, char *buf) +{ + struct hv_device *hv_dev = device_to_hv_device(dev); + + if (!hv_dev->channel) + return -ENODEV; + return sprintf(buf, "{%pUl}\n", + hv_dev->channel->offermsg.offer.if_instance.b); +} +static DEVICE_ATTR_RO(device_id); + static ssize_t modalias_show(struct device *dev, struct device_attribute *dev_attr, char *buf) { @@ -244,6 +249,7 @@ static struct attribute *vmbus_attrs[] = { &dev_attr_state.attr, &dev_attr_monitor_id.attr, &dev_attr_class_id.attr, + &dev_attr_device_id.attr, &dev_attr_modalias.attr, NULL, }; @@ -251,8 +257,6 @@ ATTRIBUTE_GROUPS(vmbus); /* Set up per device attributes in /sys/bus/vmbus/devices/<bus device> */ static struct device_attribute vmbus_device_attrs[] = { - __ATTR(device_id, S_IRUGO, vmbus_show_device_attr, NULL), - __ATTR(server_monitor_pending, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(server_monitor_latency, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(server_monitor_conn_id, S_IRUGO, vmbus_show_device_attr, NULL), |