Re: net: phy: realtek: add rtl8201f driver

From: Sergei Shtylyov
Date: Wed May 08 2013 - 11:43:11 EST


Hello.

On 08-05-2013 14:10, Jongsung Kim wrote:

This patch adds the minimal driver to manage the
Realtek RTL8201F 10/100Mbps Transceivers.

Signed-off-by: Jongsung Kim <neidhard.kim@xxxxxxx>
---
drivers/net/phy/realtek.c | 60 +++++++++++++++++++++++++++++++++++++++-----
1 files changed, 53 insertions(+), 7 deletions(-)

diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
index 8e7af83..27847ca 100644
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -16,9 +16,13 @@
#include <linux/phy.h>
#include <linux/module.h>

-#define RTL821x_PHYSR 0x11
-#define RTL821x_PHYSR_DUPLEX 0x2000
-#define RTL821x_PHYSR_SPEED 0xc000

Removal of unused #define's is a matter of a separate cleanup patch...

+/* page 0 register 30 - interrupt indicators and SNR display register */
+#define RTL8201F_ISR 0x1e
+/* page 0 register 31 - page select register */
+#define RTL8201F_PSR 0x1f
+/* page 7 register 19 - interrupt, WOL enable, and LEDs function register */
+#define RTL8201F_IER 0x13
+
#define RTL821x_INER 0x12
#define RTL821x_INER_INIT 0x6400
#define RTL821x_INSR 0x13
@@ -29,6 +33,15 @@ MODULE_DESCRIPTION("Realtek PHY driver");
MODULE_AUTHOR("Johnson Leung");
MODULE_LICENSE("GPL");

+static int rtl8201f_ack_interrupt(struct phy_device *phydev)
+{
+ int err;
+
+ err = phy_read(phydev, RTL8201F_ISR);

This could be an initializer and so make the function shorter.

+
+ return (err < 0) ? err : 0;
+}
+
static int rtl821x_ack_interrupt(struct phy_device *phydev)
{
int err;
[...]
@@ -96,16 +141,16 @@ static struct phy_driver rtl8211e_driver = {

static int __init realtek_init(void)
{
- int ret;
-
- ret = phy_driver_register(&rtl8211b_driver);
- if (ret < 0)
+ if(phy_driver_register(&rtl8201f_driver) < 0)
+ return -ENODEV;
+ if(phy_driver_register(&rtl8211b_driver) < 0)

You haven't run this patch thru scripts/checkpatch.pl -- there should be a space between *if* and (.

WBR, Sergei

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