Merge branch 'r8152'

Hayes Wang says:

====================
r8152: couldn't read OCP_SRAM_DATA

Read OCP_SRAM_DATA would read additional bytes and may let
the hw abnormal.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 24 deletions

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 57ec23e8ccfa..bf405f134d3a 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -833,9 +833,6 @@ static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
                 index &= ~3;
         }
 
-        generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
-
-        data |= __le32_to_cpu(tmp) & ~mask;
         tmp = __cpu_to_le32(data);
 
         generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
@@ -874,9 +871,6 @@ static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
                 index &= ~3;
         }
 
-        generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
-
-        data |= __le32_to_cpu(tmp) & ~mask;
         tmp = __cpu_to_le32(data);
 
         generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
@@ -926,12 +920,6 @@ static void sram_write(struct r8152 *tp, u16 addr, u16 data)
         ocp_reg_write(tp, OCP_SRAM_DATA, data);
 }
 
-static u16 sram_read(struct r8152 *tp, u16 addr)
-{
-        ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
-        return ocp_reg_read(tp, OCP_SRAM_DATA);
-}
-
 static int read_mii_word(struct net_device *netdev, int phy_id, int reg)
 {
         struct r8152 *tp = netdev_priv(netdev);
@@ -2518,24 +2506,18 @@ static void r8153_hw_phy_cfg(struct r8152 *tp)
         data = ocp_reg_read(tp, OCP_POWER_CFG);
         data |= EN_10M_PLLOFF;
         ocp_reg_write(tp, OCP_POWER_CFG, data);
-        data = sram_read(tp, SRAM_IMPEDANCE);
-        data &= ~RX_DRIVING_MASK;
-        sram_write(tp, SRAM_IMPEDANCE, data);
+        sram_write(tp, SRAM_IMPEDANCE, 0x0b13);
 
         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
         ocp_data |= PFM_PWM_SWITCH;
         ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
 
-        data = sram_read(tp, SRAM_LPF_CFG);
-        data |= LPF_AUTO_TUNE;
-        sram_write(tp, SRAM_LPF_CFG, data);
+        /* Enable LPF corner auto tune */
+        sram_write(tp, SRAM_LPF_CFG, 0xf70f);
 
-        data = sram_read(tp, SRAM_10M_AMP1);
-        data |= GDAC_IB_UPALL;
-        sram_write(tp, SRAM_10M_AMP1, data);
-        data = sram_read(tp, SRAM_10M_AMP2);
-        data |= AMP_DN;
-        sram_write(tp, SRAM_10M_AMP2, data);
+        /* Adjust 10M Amplitude */
+        sram_write(tp, SRAM_10M_AMP1, 0x00af);
+        sram_write(tp, SRAM_10M_AMP2, 0x0208);
 
         set_bit(PHY_RESET, &tp->flags);
 }