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authorFrancois Romieu <romieu@fr.zoreil.com>2007-10-04 00:42:50 +0200
committerJeff Garzik <jeff@garzik.org>2007-10-05 20:05:48 +0200
commitc946b3047205d7e107be16885bbb42ab9f10350a (patch)
treed5493adf30f328f21d129b5404adb1cd9c7427c4 /drivers/net
parentMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sp... (diff)
downloadlinux-c946b3047205d7e107be16885bbb42ab9f10350a.tar.xz
linux-c946b3047205d7e107be16885bbb42ab9f10350a.zip
r8169: revert part of 6dccd16b7c2703e8bbf8bca62b5cf248332afbe2
The 8169/8110SC currently announces itself as: [...] eth0: RTL8169sc/8110sc at 0x........, ..:..:..:..:..:.., XID 18000000 IRQ .. ^^^^^^^^ It uses RTL_GIGA_MAC_VER_05 and this part of the changeset can cut its performance by a factor of 2~2.5 as reported by Timo. (the driver includes code just before the hunk to write the ChipCmd register when mac_version == RTL_GIGA_MAC_VER_0[1-4]) Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Timo Jantunen <jeti@welho.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/r8169.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index c921ec32c232..c76dd29c8e9a 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1918,7 +1918,11 @@ static void rtl_hw_start_8169(struct net_device *dev)
rtl_set_rx_max_size(ioaddr);
- rtl_set_rx_tx_config_registers(tp);
+ if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_04))
+ rtl_set_rx_tx_config_registers(tp);
tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
@@ -1941,6 +1945,14 @@ static void rtl_hw_start_8169(struct net_device *dev)
rtl_set_rx_tx_desc_registers(tp, ioaddr);
+ if ((tp->mac_version != RTL_GIGA_MAC_VER_01) &&
+ (tp->mac_version != RTL_GIGA_MAC_VER_02) &&
+ (tp->mac_version != RTL_GIGA_MAC_VER_03) &&
+ (tp->mac_version != RTL_GIGA_MAC_VER_04)) {
+ RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+ rtl_set_rx_tx_config_registers(tp);
+ }
+
RTL_W8(Cfg9346, Cfg9346_Lock);
/* Initially a 10 us delay. Turned it into a PCI commit. - FR */
@@ -1955,8 +1967,6 @@ static void rtl_hw_start_8169(struct net_device *dev)
/* Enable all known interrupts by setting the interrupt mask. */
RTL_W16(IntrMask, tp->intr_event);
-
- RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
}
static void rtl_hw_start_8168(struct net_device *dev)