Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[karo-tx-linux.git] / drivers / net / r8169.c

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 469ab0b7ce315bb0c5ad8c71f481fc893448e849..7ffdb80adf40fd7ffd0e716e777b7b2e9f7e35ef 100644 (file)
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -25,6 +25,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/pm_runtime.h>
 #include <linux/firmware.h>
+#include <linux/pci-aspm.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -617,8 +618,9 @@ static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
        }
 }
 
-static void rtl8168_oob_notify(void __iomem *ioaddr, u8 cmd)
+static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
 {
+       void __iomem *ioaddr = tp->mmio_addr;
        int i;
 
        RTL_W8(ERIDR, cmd);
@@ -630,7 +632,7 @@ static void rtl8168_oob_notify(void __iomem *ioaddr, u8 cmd)
                        break;
        }
 
-       ocp_write(ioaddr, 0x1, 0x30, 0x00000001);
+       ocp_write(tp, 0x1, 0x30, 0x00000001);
 }
 
 #define OOB_CMD_RESET          0x00
@@ -2868,8 +2870,11 @@ static void r8168_pll_power_down(struct rtl8169_private *tp)
 {
        void __iomem *ioaddr = tp->mmio_addr;
 
-       if (tp->mac_version == RTL_GIGA_MAC_VER_27)
+       if (((tp->mac_version == RTL_GIGA_MAC_VER_27) ||
+            (tp->mac_version == RTL_GIGA_MAC_VER_28)) &&
+           (ocp_read(tp, 0x0f, 0x0010) & 0x00008000)) {
                return;
+       }
 
        if (((tp->mac_version == RTL_GIGA_MAC_VER_23) ||
             (tp->mac_version == RTL_GIGA_MAC_VER_24)) &&
@@ -2891,6 +2896,8 @@ static void r8168_pll_power_down(struct rtl8169_private *tp)
        switch (tp->mac_version) {
        case RTL_GIGA_MAC_VER_25:
        case RTL_GIGA_MAC_VER_26:
+       case RTL_GIGA_MAC_VER_27:
+       case RTL_GIGA_MAC_VER_28:
                RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
                break;
        }
@@ -2900,12 +2907,17 @@ static void r8168_pll_power_up(struct rtl8169_private *tp)
 {
        void __iomem *ioaddr = tp->mmio_addr;
 
-       if (tp->mac_version == RTL_GIGA_MAC_VER_27)
+       if (((tp->mac_version == RTL_GIGA_MAC_VER_27) ||
+            (tp->mac_version == RTL_GIGA_MAC_VER_28)) &&
+           (ocp_read(tp, 0x0f, 0x0010) & 0x00008000)) {
                return;
+       }
 
        switch (tp->mac_version) {
        case RTL_GIGA_MAC_VER_25:
        case RTL_GIGA_MAC_VER_26:
+       case RTL_GIGA_MAC_VER_27:
+       case RTL_GIGA_MAC_VER_28:
                RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
                break;
        }
@@ -3009,6 +3021,11 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
        mii->reg_num_mask = 0x1f;
        mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
 
+       /* disable ASPM completely as that cause random device stop working
+        * problems as well as full system hangs for some PCIe devices users */
+       pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
+                                    PCIE_LINK_STATE_CLKPM);
+
        /* enable device (incl. PCI PM wakeup and hotplug setup) */
        rc = pci_enable_device(pdev);
        if (rc < 0) {
@@ -3042,7 +3059,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                goto err_out_mwi_2;
        }
 
-       tp->cp_cmd = PCIMulRW | RxChkSum;
+       tp->cp_cmd = RxChkSum;
 
        if ((sizeof(dma_addr_t) > 4) &&
            !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
@@ -3318,7 +3335,8 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp)
        /* Disable interrupts */
        rtl8169_irq_mask_and_ack(ioaddr);
 
-       if (tp->mac_version == RTL_GIGA_MAC_VER_28) {
+       if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
+           tp->mac_version == RTL_GIGA_MAC_VER_28) {
                while (RTL_R8(TxPoll) & NPQ)
                        udelay(20);
 
@@ -3847,8 +3865,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
        Cxpl_dbg_sel | \
        ASF | \
        PktCntrDisable | \
-       PCIDAC | \
-       PCIMulRW)
+       Mac_dbgo_sel)
 
 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
 {
@@ -3878,8 +3895,6 @@ static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
        if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
                RTL_W8(Config1, cfg1 & ~LEDS0);
 
-       RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
-
        rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
 }
 
@@ -3891,8 +3906,6 @@ static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
 
        RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
        RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
-
-       RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
 }
 
 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
@@ -3918,6 +3931,8 @@ static void rtl_hw_start_8101(struct net_device *dev)
                }
        }
 
+       RTL_W8(Cfg9346, Cfg9346_Unlock);
+
        switch (tp->mac_version) {
        case RTL_GIGA_MAC_VER_07:
                rtl_hw_start_8102e_1(ioaddr, pdev);
@@ -3932,14 +3947,13 @@ static void rtl_hw_start_8101(struct net_device *dev)
                break;
        }
 
-       RTL_W8(Cfg9346, Cfg9346_Unlock);
+       RTL_W8(Cfg9346, Cfg9346_Lock);
 
        RTL_W8(MaxTxPacketSize, TxPacketMax);
 
        rtl_set_rx_max_size(ioaddr, rx_buf_sz);
 
-       tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
-
+       tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
        RTL_W16(CPlusCmd, tp->cp_cmd);
 
        RTL_W16(IntrMitigate, 0x0000);
@@ -3949,14 +3963,10 @@ static void rtl_hw_start_8101(struct net_device *dev)
        RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
        rtl_set_rx_tx_config_registers(tp);
 
-       RTL_W8(Cfg9346, Cfg9346_Lock);
-
        RTL_R8(IntrMask);
 
        rtl_set_rx_mode(dev);
 
-       RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
-
        RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
 
        RTL_W16(IntrMask, tp->intr_event);