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Date: Fri, 13 May 2016 16:19:10 +0800
From: Yisen Zhuang <Yisen.Zhuang@...wei.com>
To: <davem@...emloft.net>, <rjw@...ysocki.net>, <lenb@...nel.org>
CC: <arnd@...db.de>, <andriy.shevchenko@...ux.intel.com>,
<andrew@...n.ch>, <geliangtang@....com>, <ivecera@...hat.com>,
<fengguang.wu@...el.com>, <charles.chenxin@...wei.com>,
<haifeng.wei@...wei.com>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>
Subject: [patch net-next 04/11] net: hns: enet specify a reference to dsaf by fwnode_handle
From: Kejian Yan <yankejian@...wei.com>
As device_node is only used by OF 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>
---
drivers/net/ethernet/hisilicon/hns/hnae.c | 18 ++++++++++++------
drivers/net/ethernet/hisilicon/hns/hnae.h | 3 ++-
drivers/net/ethernet/hisilicon/hns/hns_enet.c | 15 ++++++++-------
drivers/net/ethernet/hisilicon/hns/hns_enet.h | 2 +-
4 files changed, 23 insertions(+), 15 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c
index 3bfe36f..b5bf12a 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.c
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.c
@@ -96,16 +96,22 @@ 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;
+ if (IS_ENABLED(CONFIG_OF) && hdev->dev->of_node)
+ return (data == &hdev->dev->of_node->fwnode);
+ else if (ACPI_COMPANION(hdev->dev))
+ return (data == hdev->dev->fwnode);
+
+ dev_err(dev, "__ae_match cannot read cfg data from OF or acpi\n");
+ return 0;
}
-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 +318,7 @@ 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 +327,7 @@ 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..3ad3e55 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.h
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
@@ -27,6 +27,7 @@
* "cb" means control block
*/
+#include <linux/acpi.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/module.h>
@@ -528,7 +529,7 @@ 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..4fa9c21 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;
@@ -1881,18 +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;
}
- /* try to find port-idx-in-ae first */
+ priv->fwnode = &ae_node->fwnode;
+
ret = device_property_read_u32(dev, "port-idx-in-ae", &port_id);
if (ret) {
/* only for old code compatible */
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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