[PATCH] virtio: Add module driver macro for virtio drivers.

* [PATCH] virtio: Add module driver macro for virtio drivers.
@ 2013-02-11 14:35 sjur.brandeland
  2013-02-13  5:22 ` Rusty Russell
  0 siblings, 1 reply; 2+ messages in thread
From: sjur.brandeland @ 2013-02-11 14:35 UTC (permalink / raw)
  To: Rusty Russell; +Cc: sjur, Sjur Brændeland, virtualization

From: Sjur Brændeland <sjur.brandeland@stericsson.com>

Add helper macro for drivers that don't do anything
special in module init/exit.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
---
Hi Rusty,

Here is the patch for module driver macro.
I will update caif_virtio accordingly
in my next patch-set.

Thanks,
Sjur

 include/linux/virtio.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index cf8adb1..00ccc40 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -126,4 +126,13 @@ static inline struct virtio_driver *drv_to_virtio(struct device_driver *drv)
 
 int register_virtio_driver(struct virtio_driver *drv);
 void unregister_virtio_driver(struct virtio_driver *drv);
+
+/* module_virtio_driver() - Helper macro for drivers that don't do
+ * anything special in module init/exit.  This eliminates a lot of
+ * boilerplate.  Each module may only use this macro once, and
+ * calling it replaces module_init() and module_exit()
+ */
+#define module_virtio_driver(__virtio_driver) \
+	module_driver(__virtio_driver, register_virtio_driver, \
+			unregister_virtio_driver)
 #endif /* _LINUX_VIRTIO_H */
-- 
1.7.5.4

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