r8169: fix RTL8168DP power off issue.

- fix the RTL8111DP turn off the power when DASH is enabled.
- RTL_GIGA_MAC_VER_27 must wait for tx finish before reset.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 336ba94..ef2133b 100644 (file)
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2869,8 +2869,11 @@ 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)) &&
@@ -2892,6 +2895,8 @@ 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;
        }
@@ -2901,12 +2906,17 @@ 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;
        }
@@ -3319,7 +3329,8 @@ 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);