This patch adds the reset function registration/unregistration.
Also a MODULE_ALIAS is added.
Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>
---
.../platform/reset/vfio_platform_calxedaxgmac.c | 40 ++++++++++++++++++++--
1 file changed, 38 insertions(+), 2 deletions(-)
diff --git a/drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c b/drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c
index 619dc7d..4f76b17 100644
--- a/drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c
+++ b/drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c
@@ -29,8 +29,7 @@
#define DRIVER_VERSION "0.1"
#define DRIVER_AUTHOR "Eric Auger <eric.auger@xxxxxxxxxx>"
#define DRIVER_DESC "Reset support for Calxeda xgmac vfio platform device"
-
-#define CALXEDAXGMAC_COMPAT "calxeda,hb-xgmac"
+#define COMPAT "calxeda,hb-xgmac"
/* XGMAC Register definitions */
#define XGMAC_CONTROL 0x00000000 /* MAC Configuration */
@@ -80,6 +79,43 @@ int vfio_platform_calxedaxgmac_reset(struct vfio_platform_device *vdev)
}
EXPORT_SYMBOL_GPL(vfio_platform_calxedaxgmac_reset);
+static int __init vfio_platform_calxedaxgmac_init(void)
+{
+ int (*register_reset)(struct module *, char*,
+ vfio_platform_reset_fn_t);
+ int ret;
+
+ register_reset = symbol_get(vfio_platform_register_reset);
+ if (!register_reset)
+ return -EINVAL;
+
+ ret = register_reset(THIS_MODULE, COMPAT,
+ vfio_platform_calxedaxgmac_reset);
+
+ symbol_put(vfio_platform_register_reset);
+
+ return ret;
+}
+
+static void __exit vfio_platform_calxedaxgmac_exit(void)
+{
+ int (*unregister_reset)(char *);
+ int ret;
+
+ unregister_reset = symbol_get(vfio_platform_unregister_reset);
+ if (!unregister_reset)
+ return;
+
+ ret = unregister_reset(COMPAT);
+
+ symbol_put(vfio_platform_unregister_reset);
+}
+
+module_init(vfio_platform_calxedaxgmac_init);
+module_exit(vfio_platform_calxedaxgmac_exit);
+
+MODULE_ALIAS("vfio-reset:" COMPAT);
+
MODULE_VERSION(DRIVER_VERSION);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR(DRIVER_AUTHOR);
--
1.9.1
--
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