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path: root/drivers/net/caif/caif_hsi.c
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Diffstat (limited to 'drivers/net/caif/caif_hsi.c')
-rw-r--r--drivers/net/caif/caif_hsi.c76
1 files changed, 47 insertions, 29 deletions
diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index 1c2bd01e1592..087eb83454c0 100644
--- a/drivers/net/caif/caif_hsi.c
+++ b/drivers/net/caif/caif_hsi.c
@@ -678,8 +678,6 @@ static void cfhsi_rx_done(struct cfhsi *cfhsi)
*/
memcpy(rx_buf, (u8 *)piggy_desc,
CFHSI_DESC_SHORT_SZ);
- /* Mark no embedded frame here */
- piggy_desc->offset = 0;
}
}
@@ -720,6 +718,8 @@ static void cfhsi_rx_done(struct cfhsi *cfhsi)
/* Extract any payload in piggyback descriptor. */
if (cfhsi_rx_desc(piggy_desc, cfhsi) < 0)
goto out_of_sync;
+ /* Mark no embedded frame after extracting it */
+ piggy_desc->offset = 0;
}
}
@@ -1131,7 +1131,51 @@ static void cfhsi_setup(struct net_device *dev)
cfhsi->cfdev.use_stx = false;
cfhsi->cfdev.use_fcs = false;
cfhsi->ndev = dev;
- cfhsi->cfg = hsi_default_config;
+}
+
+int cfhsi_probe(struct platform_device *pdev)
+{
+ struct cfhsi_ops *(*get_ops)(void);
+ struct cfhsi *cfhsi = NULL;
+ struct net_device *ndev;
+ int res;
+
+ ndev = alloc_netdev(sizeof(struct cfhsi), "cfhsi%d", cfhsi_setup);
+ if (!ndev)
+ return -ENODEV;
+
+ cfhsi = netdev_priv(ndev);
+ cfhsi->ndev = ndev;
+ cfhsi->pdev = pdev;
+
+ get_ops = symbol_get(cfhsi_get_ops);
+ if (!get_ops) {
+ pr_err("%s: failed to get the cfhsi_ops\n", __func__);
+ return -ENODEV;
+ }
+
+ /* Assign the HSI device. */
+ cfhsi->ops = (*get_ops)();
+ if (!cfhsi->ops) {
+ pr_err("%s: failed to get the cfhsi_ops\n", __func__);
+ goto err;
+ }
+
+ /* Assign the driver to this HSI device. */
+ cfhsi->ops->cb_ops = &cfhsi->cb_ops;
+ res = register_netdevice(ndev);
+ if (res) {
+ dev_err(&ndev->dev, "%s: Registration error: %d.\n",
+ __func__, res);
+ free_netdev(ndev);
+ }
+ /* Add CAIF HSI device to list. */
+ list_add_tail(&cfhsi->list, &cfhsi_list);
+
+ return res;
+err:
+ symbol_put(cfhsi_get_ops);
+ return -ENODEV;
}
static int cfhsi_open(struct net_device *ndev)
@@ -1410,7 +1454,6 @@ static int caif_hsi_newlink(struct net *src_net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
struct cfhsi *cfhsi = NULL;
- struct cfhsi_ops *(*get_ops)(void);
ASSERT_RTNL();
@@ -1418,32 +1461,7 @@ static int caif_hsi_newlink(struct net *src_net, struct net_device *dev,
cfhsi_netlink_parms(data, cfhsi);
dev_net_set(cfhsi->ndev, src_net);
- get_ops = symbol_get(cfhsi_get_ops);
- if (!get_ops) {
- pr_err("%s: failed to get the cfhsi_ops\n", __func__);
- return -ENODEV;
- }
-
- /* Assign the HSI device. */
- cfhsi->ops = (*get_ops)();
- if (!cfhsi->ops) {
- pr_err("%s: failed to get the cfhsi_ops\n", __func__);
- goto err;
- }
-
- /* Assign the driver to this HSI device. */
- cfhsi->ops->cb_ops = &cfhsi->cb_ops;
- if (register_netdevice(dev)) {
- pr_warn("%s: caif_hsi device registration failed\n", __func__);
- goto err;
- }
- /* Add CAIF HSI device to list. */
- list_add_tail(&cfhsi->list, &cfhsi_list);
-
return 0;
-err:
- symbol_put(cfhsi_get_ops);
- return -ENODEV;
}
static struct rtnl_link_ops caif_hsi_link_ops __read_mostly = {