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authorhayeswang <hayeswang@realtek.com>2014-02-18 17:49:03 +0400
committerDavid S. Miller <davem@davemloft.net>2014-02-19 01:40:01 +0400
commitf0cbe0ac87c123a80dac3b2df72ecb947ef63ad8 (patch)
treec4887d0bb3dbc88891d6cfaaeb6c9dc19aeb13a7 /drivers/net/usb
parentd84130a10820d074fe52b066f459838324d3774c (diff)
downloadlinux-f0cbe0ac87c123a80dac3b2df72ecb947ef63ad8.tar.xz
r8152: clear BMCR_PDOWN
Modify the method of enabling the PHY to clear BMCR_PDOWN only. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/r8152.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 2a778faa9630..c7bae3920038 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1845,7 +1845,14 @@ static inline void r8152b_enable_aldps(struct r8152 *tp)
static void r8152b_hw_phy_cfg(struct r8152 *tp)
{
- r8152_mdio_write(tp, MII_BMCR, BMCR_ANENABLE);
+ u16 data;
+
+ data = r8152_mdio_read(tp, MII_BMCR);
+ if (data & BMCR_PDOWN) {
+ data &= ~BMCR_PDOWN;
+ r8152_mdio_write(tp, MII_BMCR, data);
+ }
+
r8152b_disable_aldps(tp);
}
@@ -1995,7 +2002,11 @@ static void r8153_hw_phy_cfg(struct r8152 *tp)
u16 data;
ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L);
- r8152_mdio_write(tp, MII_BMCR, BMCR_ANENABLE);
+ data = r8152_mdio_read(tp, MII_BMCR);
+ if (data & BMCR_PDOWN) {
+ data &= ~BMCR_PDOWN;
+ r8152_mdio_write(tp, MII_BMCR, data);
+ }
if (tp->version == RTL_VER_03) {
data = ocp_reg_read(tp, OCP_EEE_CFG);