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From"K. Y. Srinivasan" <>
Subject[PATCH 14/77] Staging: hv: util: Make hv_utils a vmbus device driver
DateThu, 16 Jun 2011 13:16:47 -0700
Make hv_utils a vmbus device driver.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
---
drivers/staging/hv/hv_util.c | 34 +++++++++++++++++++++++++++++++++-
1 files changed, 33 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/hv/hv_util.c b/drivers/staging/hv/hv_util.c
index c164b54..4d2a282 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 +212,34 @@ 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;
+}
+
+
+static const struct hv_vmbus_device_id id_table[] = {
+ { "hv_util" },
+ { "" }
+};
+
+
+/* The one and only one */
+static struct hv_driver util_drv = {
+ .id_table = id_table,
+ .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 +294,9 @@ 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)
--
1.7.4.1


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