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Date: Fri, 3 Jun 2016 10:55:15 +0800
From: Yisen Zhuang <Yisen.Zhuang@...wei.com>
To: <rjw@...ysocki.net>, <lenb@...nel.org>, <davem@...emloft.net>
CC: <fengguang.wu@...el.com>, <andriy.shevchenko@...ux.intel.com>,
<andrew@...n.ch>, <ivecera@...hat.com>, <f.fainelli@...il.com>,
<haifeng.wei@...wei.com>, <charles.chenxin@...wei.com>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-acpi@...r.kernel.org>, <linuxarm@...wei.com>
Subject: [PATCH v4 net-next 07/13] net: hns: enet specify a reference to dsaf by fwnode_handle
From: Kejian Yan <yankejian@...wei.com>
As device_node is only used by DT case, it is expected to find uniform
ways. So fwnode_handle is the suitable method.
Signed-off-by: Kejian Yan <yankejian@...wei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@...wei.com>
---
change log:
v2: remove the redundant line
v1: first submit
link: https://lkml.org/lkml/2016/5/13/98
---
drivers/net/ethernet/hisilicon/hns/hnae.c | 12 ++++++------
drivers/net/ethernet/hisilicon/hns/hnae.h | 2 +-
drivers/net/ethernet/hisilicon/hns/hns_enet.c | 14 ++++++++------
drivers/net/ethernet/hisilicon/hns/hns_enet.h | 2 +-
4 files changed, 16 insertions(+), 14 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c
index 3bfe36f..d630acd 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.c
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.c
@@ -96,16 +96,16 @@ static int __ae_match(struct device *dev, const void *data)
{
struct hnae_ae_dev *hdev = cls_to_ae_dev(dev);
- return hdev->dev->of_node == data;
+ return (data == &hdev->dev->of_node->fwnode);
}
-static struct hnae_ae_dev *find_ae(const struct device_node *ae_node)
+static struct hnae_ae_dev *find_ae(const struct fwnode_handle *fwnode)
{
struct device *dev;
- WARN_ON(!ae_node);
+ WARN_ON(!fwnode);
- dev = class_find_device(hnae_class, NULL, ae_node, __ae_match);
+ dev = class_find_device(hnae_class, NULL, fwnode, __ae_match);
return dev ? cls_to_ae_dev(dev) : NULL;
}
@@ -312,7 +312,7 @@ EXPORT_SYMBOL(hnae_reinit_handle);
* return handle ptr or ERR_PTR
*/
struct hnae_handle *hnae_get_handle(struct device *owner_dev,
- const struct device_node *ae_node,
+ const struct fwnode_handle *fwnode,
u32 port_id,
struct hnae_buf_ops *bops)
{
@@ -321,7 +321,7 @@ struct hnae_handle *hnae_get_handle(struct device *owner_dev,
int i, j;
int ret;
- dev = find_ae(ae_node);
+ dev = find_ae(fwnode);
if (!dev)
return ERR_PTR(-ENODEV);
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h
index e8d36aa..f5f8140 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.h
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
@@ -528,7 +528,7 @@ struct hnae_handle {
#define ring_to_dev(ring) ((ring)->q->dev->dev)
struct hnae_handle *hnae_get_handle(struct device *owner_dev,
- const struct device_node *ae_node,
+ const struct fwnode_handle *fwnode,
u32 port_id,
struct hnae_buf_ops *bops);
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index 8851420..93f6ccb 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -1807,7 +1807,7 @@ static int hns_nic_try_get_ae(struct net_device *ndev)
int ret;
h = hnae_get_handle(&priv->netdev->dev,
- priv->ae_node, priv->port_id, NULL);
+ priv->fwnode, priv->port_id, NULL);
if (IS_ERR_OR_NULL(h)) {
ret = -ENODEV;
dev_dbg(priv->dev, "has not handle, register notifier!\n");
@@ -1867,7 +1867,7 @@ static int hns_nic_dev_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct net_device *ndev;
struct hns_nic_priv *priv;
- struct device_node *node = dev->of_node;
+ struct device_node *ae_node;
u32 port_id;
int ret;
@@ -1881,17 +1881,19 @@ static int hns_nic_dev_probe(struct platform_device *pdev)
priv->dev = dev;
priv->netdev = ndev;
- if (of_device_is_compatible(node, "hisilicon,hns-nic-v1"))
+ if (of_device_is_compatible(dev->of_node, "hisilicon,hns-nic-v1"))
priv->enet_ver = AE_VERSION_1;
else
priv->enet_ver = AE_VERSION_2;
- priv->ae_node = (void *)of_parse_phandle(node, "ae-handle", 0);
- if (IS_ERR_OR_NULL(priv->ae_node)) {
- ret = PTR_ERR(priv->ae_node);
+ ae_node = of_parse_phandle(dev->of_node, "ae-handle", 0);
+ if (IS_ERR_OR_NULL(ae_node)) {
+ ret = PTR_ERR(ae_node);
dev_err(dev, "not find ae-handle\n");
goto out_read_prop_fail;
}
+ priv->fwnode = &ae_node->fwnode;
+
/* try to find port-idx-in-ae first */
ret = device_property_read_u32(dev, "port-idx-in-ae", &port_id);
if (ret) {
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.h b/drivers/net/ethernet/hisilicon/hns/hns_enet.h
index 337efa5..44bb301 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.h
@@ -54,7 +54,7 @@ struct hns_nic_ops {
};
struct hns_nic_priv {
- const struct device_node *ae_node;
+ const struct fwnode_handle *fwnode;
u32 enet_ver;
u32 port_id;
int phy_mode;
--
1.9.1
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