]> git.kernelconcepts.de Git - karo-tx-linux.git/blobdiff - drivers/net/ethernet/realtek/r8169.c
Merge remote-tracking branch 'regulator/topic/max8997' into regulator-next
[karo-tx-linux.git] / drivers / net / ethernet / realtek / r8169.c
index ed96f309bca8e030a0c098df8b8e728314f04bb0..998974f7874253f67880009d96f1e80f4788a408 100644 (file)
@@ -450,7 +450,6 @@ enum rtl8168_registers {
 #define PWM_EN                         (1 << 22)
 #define RXDV_GATED_EN                  (1 << 19)
 #define EARLY_TALLY_EN                 (1 << 16)
-#define FORCE_CLK                      (1 << 15) /* force clock request */
 };
 
 enum rtl_register_content {
@@ -514,7 +513,6 @@ enum rtl_register_content {
        PMEnable        = (1 << 0),     /* Power Management Enable */
 
        /* Config2 register p. 25 */
-       ClkReqEn        = (1 << 7),     /* Clock Request Enable */
        MSIEnable       = (1 << 5),     /* 8169 only. Reserved in the 8168. */
        PCI_Clock_66MHz = 0x01,
        PCI_Clock_33MHz = 0x00,
@@ -535,7 +533,6 @@ enum rtl_register_content {
        Spi_en          = (1 << 3),
        LanWake         = (1 << 1),     /* LanWake enable/disable */
        PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# */
-       ASPM_en         = (1 << 0),     /* ASPM enable */
 
        /* TBICSR p.28 */
        TBIReset        = 0x80000000,
@@ -684,7 +681,6 @@ enum features {
        RTL_FEATURE_WOL         = (1 << 0),
        RTL_FEATURE_MSI         = (1 << 1),
        RTL_FEATURE_GMII        = (1 << 2),
-       RTL_FEATURE_FW_LOADED   = (1 << 3),
 };
 
 struct rtl8169_counters {
@@ -1826,8 +1822,6 @@ static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
 
        if (opts2 & RxVlanTag)
                __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
-
-       desc->opts2 = 0;
 }
 
 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
@@ -2391,10 +2385,8 @@ static void rtl_apply_firmware(struct rtl8169_private *tp)
        struct rtl_fw *rtl_fw = tp->rtl_fw;
 
        /* TODO: release firmware once rtl_phy_write_fw signals failures. */
-       if (!IS_ERR_OR_NULL(rtl_fw)) {
+       if (!IS_ERR_OR_NULL(rtl_fw))
                rtl_phy_write_fw(tp, rtl_fw);
-               tp->features |= RTL_FEATURE_FW_LOADED;
-       }
 }
 
 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
@@ -2405,31 +2397,6 @@ static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
                rtl_apply_firmware(tp);
 }
 
-static void r810x_aldps_disable(struct rtl8169_private *tp)
-{
-       rtl_writephy(tp, 0x1f, 0x0000);
-       rtl_writephy(tp, 0x18, 0x0310);
-       msleep(100);
-}
-
-static void r810x_aldps_enable(struct rtl8169_private *tp)
-{
-       if (!(tp->features & RTL_FEATURE_FW_LOADED))
-               return;
-
-       rtl_writephy(tp, 0x1f, 0x0000);
-       rtl_writephy(tp, 0x18, 0x8310);
-}
-
-static void r8168_aldps_enable_1(struct rtl8169_private *tp)
-{
-       if (!(tp->features & RTL_FEATURE_FW_LOADED))
-               return;
-
-       rtl_writephy(tp, 0x1f, 0x0000);
-       rtl_w1w0_phy(tp, 0x15, 0x1000, 0x0000);
-}
-
 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
 {
        static const struct phy_reg phy_reg_init[] = {
@@ -3220,8 +3187,6 @@ static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
        rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
        rtl_writephy(tp, 0x1f, 0x0000);
 
-       r8168_aldps_enable_1(tp);
-
        /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */
        rtl_rar_exgmac_set(tp, tp->dev->dev_addr);
 }
@@ -3296,8 +3261,6 @@ static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
        rtl_writephy(tp, 0x05, 0x8b85);
        rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
        rtl_writephy(tp, 0x1f, 0x0000);
-
-       r8168_aldps_enable_1(tp);
 }
 
 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
@@ -3305,8 +3268,6 @@ static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
        rtl_apply_firmware(tp);
 
        rtl8168f_hw_phy_config(tp);
-
-       r8168_aldps_enable_1(tp);
 }
 
 static void rtl8411_hw_phy_config(struct rtl8169_private *tp)
@@ -3404,8 +3365,6 @@ static void rtl8411_hw_phy_config(struct rtl8169_private *tp)
        rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
        rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
        rtl_writephy(tp, 0x1f, 0x0000);
-
-       r8168_aldps_enable_1(tp);
 }
 
 static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp)
@@ -3491,19 +3450,21 @@ static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
        };
 
        /* Disable ALDPS before ram code */
-       r810x_aldps_disable(tp);
+       rtl_writephy(tp, 0x1f, 0x0000);
+       rtl_writephy(tp, 0x18, 0x0310);
+       msleep(100);
 
        rtl_apply_firmware(tp);
 
        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
-
-       r810x_aldps_enable(tp);
 }
 
 static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
 {
        /* Disable ALDPS before setting firmware */
-       r810x_aldps_disable(tp);
+       rtl_writephy(tp, 0x1f, 0x0000);
+       rtl_writephy(tp, 0x18, 0x0310);
+       msleep(20);
 
        rtl_apply_firmware(tp);
 
@@ -3513,8 +3474,6 @@ static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
        rtl_writephy(tp, 0x10, 0x401f);
        rtl_writephy(tp, 0x19, 0x7030);
        rtl_writephy(tp, 0x1f, 0x0000);
-
-       r810x_aldps_enable(tp);
 }
 
 static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
@@ -3527,7 +3486,9 @@ static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
        };
 
        /* Disable ALDPS before ram code */
-       r810x_aldps_disable(tp);
+       rtl_writephy(tp, 0x1f, 0x0000);
+       rtl_writephy(tp, 0x18, 0x0310);
+       msleep(100);
 
        rtl_apply_firmware(tp);
 
@@ -3535,8 +3496,6 @@ static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
 
        rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
-
-       r810x_aldps_enable(tp);
 }
 
 static void rtl_hw_phy_config(struct net_device *dev)
@@ -5053,6 +5012,8 @@ static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
 
        RTL_W8(MaxTxPacketSize, EarlySize);
 
+       rtl_disable_clock_request(pdev);
+
        RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
        RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
 
@@ -5061,8 +5022,7 @@ static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
 
        RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
        RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
-       RTL_W8(Config5, (RTL_R8(Config5) & ~Spi_en) | ASPM_en);
-       RTL_W8(Config2, RTL_R8(Config2) | ClkReqEn);
+       RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
 }
 
 static void rtl_hw_start_8168f(struct rtl8169_private *tp)
@@ -5087,12 +5047,13 @@ static void rtl_hw_start_8168f(struct rtl8169_private *tp)
 
        RTL_W8(MaxTxPacketSize, EarlySize);
 
+       rtl_disable_clock_request(pdev);
+
        RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
        RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
        RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
-       RTL_W32(MISC, RTL_R32(MISC) | PWM_EN | FORCE_CLK);
-       RTL_W8(Config5, (RTL_R8(Config5) & ~Spi_en) | ASPM_en);
-       RTL_W8(Config2, RTL_R8(Config2) | ClkReqEn);
+       RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
+       RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
 }
 
 static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
@@ -5149,10 +5110,8 @@ static void rtl_hw_start_8168g_1(struct rtl8169_private *tp)
        rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
 
        RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
-       RTL_W32(MISC, (RTL_R32(MISC) | FORCE_CLK) & ~RXDV_GATED_EN);
+       RTL_W32(MISC, RTL_R32(MISC) & ~RXDV_GATED_EN);
        RTL_W8(MaxTxPacketSize, EarlySize);
-       RTL_W8(Config5, RTL_R8(Config5) | ASPM_en);
-       RTL_W8(Config2, RTL_R8(Config2) | ClkReqEn);
 
        rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
        rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
@@ -5368,9 +5327,6 @@ static void rtl_hw_start_8105e_1(struct rtl8169_private *tp)
 
        RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
        RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
-       RTL_W8(Config5, RTL_R8(Config5) | ASPM_en);
-       RTL_W8(Config2, RTL_R8(Config2) | ClkReqEn);
-       RTL_W32(MISC, RTL_R32(MISC) | FORCE_CLK);
 
        rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
 }
@@ -5396,9 +5352,6 @@ static void rtl_hw_start_8402(struct rtl8169_private *tp)
 
        RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
        RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
-       RTL_W8(Config5, RTL_R8(Config5) | ASPM_en);
-       RTL_W8(Config2, RTL_R8(Config2) | ClkReqEn);
-       RTL_W32(MISC, RTL_R32(MISC) | FORCE_CLK);
 
        rtl_ephy_init(tp, e_info_8402, ARRAY_SIZE(e_info_8402));
 
@@ -5420,10 +5373,7 @@ static void rtl_hw_start_8106(struct rtl8169_private *tp)
        /* Force LAN exit from ASPM if Rx/Tx are not idle */
        RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
 
-       RTL_W32(MISC,
-               (RTL_R32(MISC) | DISABLE_LAN_EN | FORCE_CLK) & ~EARLY_TALLY_EN);
-       RTL_W8(Config5, RTL_R8(Config5) | ASPM_en);
-       RTL_W8(Config2, RTL_R8(Config2) | ClkReqEn);
+       RTL_W32(MISC, (RTL_R32(MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN);
        RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
        RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN);
 }
@@ -6064,8 +6014,6 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
                            !(status & (RxRWT | RxFOVF)) &&
                            (dev->features & NETIF_F_RXALL))
                                goto process_pkt;
-
-                       rtl8169_mark_to_asic(desc, rx_buf_sz);
                } else {
                        struct sk_buff *skb;
                        dma_addr_t addr;
@@ -6086,16 +6034,14 @@ process_pkt:
                        if (unlikely(rtl8169_fragmented_frame(status))) {
                                dev->stats.rx_dropped++;
                                dev->stats.rx_length_errors++;
-                               rtl8169_mark_to_asic(desc, rx_buf_sz);
-                               continue;
+                               goto release_descriptor;
                        }
 
                        skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
                                                  tp, pkt_size, addr);
-                       rtl8169_mark_to_asic(desc, rx_buf_sz);
                        if (!skb) {
                                dev->stats.rx_dropped++;
-                               continue;
+                               goto release_descriptor;
                        }
 
                        rtl8169_rx_csum(skb, status);
@@ -6111,13 +6057,10 @@ process_pkt:
                        tp->rx_stats.bytes += pkt_size;
                        u64_stats_update_end(&tp->rx_stats.syncp);
                }
-
-               /* Work around for AMD plateform. */
-               if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
-                   (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
-                       desc->opts2 = 0;
-                       cur_rx++;
-               }
+release_descriptor:
+               desc->opts2 = 0;
+               wmb();
+               rtl8169_mark_to_asic(desc, rx_buf_sz);
        }
 
        count = cur_rx - tp->cur_rx;