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authorHauke Mehrtens <hauke@hauke-m.de>2013-02-07 05:37:38 +0000
committerDavid S. Miller <davem@davemloft.net>2013-02-07 23:47:01 -0500
commit5c358045ae6b4e9ec7edcd70e6486123ca2c9c72 (patch)
tree29e5fa534b39dc8f4013e48a005600c9f1f7e3f7
parentssb: get mac address from sprom struct for gige driver (diff)
downloadlinux-dev-5c358045ae6b4e9ec7edcd70e6486123ca2c9c72.tar.xz
linux-dev-5c358045ae6b4e9ec7edcd70e6486123ca2c9c72.zip
tg3: make it possible to provide phy_id in ioctl
In OpenWrt we currently use a switch driver which uses the ioctls to configure the switch in the phy. We have to provide the phy_id to do so, but without this patch this is not possible. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 90195e324a64..d9e81d6be7b9 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -1091,7 +1091,8 @@ static void tg3_switch_clocks(struct tg3 *tp)
#define PHY_BUSY_LOOPS 5000
-static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
+static int __tg3_readphy(struct tg3 *tp, unsigned int phy_addr, int reg,
+ u32 *val)
{
u32 frame_val;
unsigned int loops;
@@ -1107,7 +1108,7 @@ static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
*val = 0x0;
- frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
+ frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
MI_COM_PHY_ADDR_MASK);
frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
MI_COM_REG_ADDR_MASK);
@@ -1144,7 +1145,13 @@ static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
return ret;
}
-static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
+static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
+{
+ return __tg3_readphy(tp, tp->phy_addr, reg, val);
+}
+
+static int __tg3_writephy(struct tg3 *tp, unsigned int phy_addr, int reg,
+ u32 val)
{
u32 frame_val;
unsigned int loops;
@@ -1162,7 +1169,7 @@ static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
tg3_ape_lock(tp, tp->phy_ape_lock);
- frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
+ frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
MI_COM_PHY_ADDR_MASK);
frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
MI_COM_REG_ADDR_MASK);
@@ -1197,6 +1204,11 @@ static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
return ret;
}
+static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
+{
+ return __tg3_writephy(tp, tp->phy_addr, reg, val);
+}
+
static int tg3_phy_cl45_write(struct tg3 *tp, u32 devad, u32 addr, u32 val)
{
int err;
@@ -12969,7 +12981,8 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
return -EAGAIN;
spin_lock_bh(&tp->lock);
- err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
+ err = __tg3_readphy(tp, data->phy_id & 0x1f,
+ data->reg_num & 0x1f, &mii_regval);
spin_unlock_bh(&tp->lock);
data->val_out = mii_regval;
@@ -12985,7 +12998,8 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
return -EAGAIN;
spin_lock_bh(&tp->lock);
- err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
+ err = __tg3_writephy(tp, data->phy_id & 0x1f,
+ data->reg_num & 0x1f, data->val_in);
spin_unlock_bh(&tp->lock);
return err;