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authorJ. Bruce Fields <bfields@citi.umich.edu>2008-07-03 16:24:06 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-07-03 16:24:06 -0400
commite86322f611eef95aafaf726fd3965e5b211f1985 (patch)
tree28547e26df4fc6ae671dc8cc6912a53717e4db08 /drivers/virtio/virtio.c
parentb001a1b6aa960949a24c2cdc28257dfcc9428d74 (diff)
parent8948896c9e098c6fd31a6a698a598a7cbd7fa40e (diff)
Merge branch 'for-bfields' of git://linux-nfs.org/~tomtucker/xprt-switch-2.6 into for-2.6.27
Diffstat (limited to 'drivers/virtio/virtio.c')
-rw-r--r--drivers/virtio/virtio.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 13866789b356..7084e7e146c0 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -2,6 +2,9 @@
2#include <linux/spinlock.h> 2#include <linux/spinlock.h>
3#include <linux/virtio_config.h> 3#include <linux/virtio_config.h>
4 4
5/* Unique numbering for virtio devices. */
6static unsigned int dev_index;
7
5static ssize_t device_show(struct device *_d, 8static ssize_t device_show(struct device *_d,
6 struct device_attribute *attr, char *buf) 9 struct device_attribute *attr, char *buf)
7{ 10{
@@ -121,9 +124,9 @@ static int virtio_dev_probe(struct device *_d)
121 if (err) 124 if (err)
122 add_status(dev, VIRTIO_CONFIG_S_FAILED); 125 add_status(dev, VIRTIO_CONFIG_S_FAILED);
123 else { 126 else {
124 add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
125 /* They should never have set feature bits beyond 32 */ 127 /* They should never have set feature bits beyond 32 */
126 dev->config->set_features(dev, dev->features[0]); 128 dev->config->set_features(dev, dev->features[0]);
129 add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
127 } 130 }
128 return err; 131 return err;
129} 132}
@@ -166,7 +169,10 @@ int register_virtio_device(struct virtio_device *dev)
166 int err; 169 int err;
167 170
168 dev->dev.bus = &virtio_bus; 171 dev->dev.bus = &virtio_bus;
169 sprintf(dev->dev.bus_id, "%u", dev->index); 172
173 /* Assign a unique device index and hence name. */
174 dev->index = dev_index++;
175 sprintf(dev->dev.bus_id, "virtio%u", dev->index);
170 176
171 /* We always start by resetting the device, in case a previous 177 /* We always start by resetting the device, in case a previous
172 * driver messed it up. This also tests that code path a little. */ 178 * driver messed it up. This also tests that code path a little. */