Make hv_utils a vmbus device driver.
Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
---
drivers/staging/hv/hv_util.c | 28 +++++++++++++++++++++++++++-
1 files changed, 27 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/hv/hv_util.c b/drivers/staging/hv/hv_util.c
index c164b54..e72bfe0 100644
--- a/drivers/staging/hv/hv_util.c
+++ b/drivers/staging/hv/hv_util.c
@@ -36,6 +36,8 @@ static u8 *shut_txf_buf;
static u8 *time_txf_buf;
static u8 *hbeat_txf_buf;
+static const char *driver_name = "hv_util";
+
static void shutdown_onchannelcallback(void *context)
{
struct vmbus_channel *channel = context;
@@ -210,6 +212,27 @@ static void heartbeat_onchannelcallback(void *context)
}
}
+/*
+ * The devices managed by the util driver don't need any additional
+ * setup.
+ */
+static int util_probe(struct hv_device *dev)
+{
+ return 0;
+}
+
+static int util_remove(struct hv_device *dev)
+{
+ return 0;
+}
+
+
+/* The one and only one */
+static struct hv_driver util_drv = {
+ .probe = util_probe,
+ .remove = util_remove,
+};
+
static const struct pci_device_id __initconst
hv_utils_pci_table[] __maybe_unused = {
{ PCI_DEVICE(0x1414, 0x5353) }, /* Hyper-V emulated VGA controller */
@@ -264,7 +287,9 @@ static int __init init_hyperv_utils(void)
hv_cb_utils[HV_KVP_MSG].callback = &hv_kvp_onchannelcallback;
- return 0;
+ util_drv.driver.name = driver_name;
+
+ return vmbus_child_driver_register(&util_drv.driver);
}
static void exit_hyperv_utils(void)
@@ -296,6 +321,7 @@ static void exit_hyperv_utils(void)
kfree(shut_txf_buf);
kfree(time_txf_buf);
kfree(hbeat_txf_buf);
+ vmbus_child_driver_unregister(&util_drv.driver);
}
module_init(init_hyperv_utils);
--
1.7.4.1
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