add helper function to simplify dev->config->get_status().
Signed-off-by: weiping zhang <zhangweiping@xxxxxxxxxxxxxxx>
---
drivers/virtio/virtio.c | 6 ++++++
include/linux/virtio_config.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index bf7ff39..c5b057bd 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -165,6 +165,12 @@ void virtio_add_status(struct virtio_device *dev, unsigned int status)
}
EXPORT_SYMBOL_GPL(virtio_add_status);
+unsigned int virtio_get_status(struct virtio_device *dev)
+{
+ return dev->config->get_status(dev);
+}
+EXPORT_SYMBOL_GPL(virtio_get_status);
+
int virtio_finalize_features(struct virtio_device *dev)
{
int ret = dev->config->finalize_features(dev);
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 5559a2d..30972c4 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -429,6 +429,8 @@ static inline void virtio_cwrite64(struct virtio_device *vdev,
vdev->config->set(vdev, offset, &val, sizeof(val));
}
+unsigned int virtio_get_status(struct virtio_device *dev);
+
/* Conditional config space accessors. */
#define virtio_cread_feature(vdev, fbit, structname, member, ptr) \
({ \
--
2.9.4
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