generic: rtl8366: introduce rtl8366_smi_alloc

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22195 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 20 insertions, 9 deletions

diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
index d0b3680562..ac8862ced6 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
@@ -741,13 +741,27 @@ static void rtl8366_smi_mii_cleanup(struct rtl8366_smi *smi)
 	mdiobus_free(smi->mii_bus);
 }
 
+struct rtl8366_smi *rtl8366_smi_alloc(struct device *parent)
+{
+	struct rtl8366_smi *smi;
+
+	BUG_ON(!parent);
+
+	smi = kzalloc(sizeof(*smi), GFP_KERNEL);
+	if (!smi) {
+		dev_err(parent, "no memory for private data\n");
+		return NULL;
+	}
+
+	smi->parent = parent;
+	return smi;
+}
+EXPORT_SYMBOL_GPL(rtl8366_smi_alloc);
+
 int rtl8366_smi_init(struct rtl8366_smi *smi)
 {
 	int err;
 
-	if (!smi->parent)
-		return -EINVAL;
-
 	if (!smi->ops)
 		return -EINVAL;
 
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h
index bd16cbe55e..775f95935e 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h
@@ -87,6 +87,7 @@ struct rtl8366_smi_ops {
 				   int port, unsigned long long *val);
 };
 
+struct rtl8366_smi *rtl8366_smi_alloc(struct device *parent);
 int rtl8366_smi_init(struct rtl8366_smi *smi);
 void rtl8366_smi_cleanup(struct rtl8366_smi *smi);
 int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data);
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366rb.c b/target/linux/generic/files/drivers/net/phy/rtl8366rb.c
index 2156078f86..aa0b4a0b71 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366rb.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366rb.c
@@ -1133,14 +1133,12 @@ static int __init rtl8366rb_probe(struct platform_device *pdev)
 		goto err_out;
 	}
 
-	smi = kzalloc(sizeof(*smi), GFP_KERNEL);
+	smi = rtl8366_smi_alloc(&pdev->dev);
 	if (!smi) {
-		dev_err(&pdev->dev, "no memory for private data\n");
 		err = -ENOMEM;
 		goto err_out;
 	}
 
-	smi->parent = &pdev->dev;
 	smi->gpio_sda = pdata->gpio_sda;
 	smi->gpio_sck = pdata->gpio_sck;
 	smi->ops = &rtl8366rb_smi_ops;
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366s.c b/target/linux/generic/files/drivers/net/phy/rtl8366s.c
index 923f51a977..6f3fdd5092 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366s.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366s.c
@@ -1160,14 +1160,12 @@ static int __init rtl8366s_probe(struct platform_device *pdev)
 		goto err_out;
 	}
 
-	smi = kzalloc(sizeof(*smi), GFP_KERNEL);
+	smi = rtl8366_smi_alloc(&pdev->dev);
 	if (!smi) {
-		dev_err(&pdev->dev, "no memory for private data\n");
 		err = -ENOMEM;
 		goto err_out;
 	}
 
-	smi->parent = &pdev->dev;
 	smi->gpio_sda = pdata->gpio_sda;
 	smi->gpio_sck = pdata->gpio_sck;
 	smi->ops = &rtl8366s_smi_ops;