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authorHerton Ronaldo Krzesinski <herton@mandriva.com.br>2008-11-13 10:39:14 -0500
committerJohn W. Linville <linville@tuxdriver.com>2008-11-25 16:41:31 -0500
commit54ac218ae676931813169e0ca074aca2e4adee38 (patch)
tree1acac3f2dc61adb1e399527b38efbd87ed9b6790 /drivers/net
parentdb93e7b5bf9dea9175d5b213f9557758c56abbfc (diff)
rtl8187: fix 8187B throughput regression
Hin-Tak Leung reported that after the change "rtl8187: add short slot handling for 8187B" his RTL8187B started to give low throughput on network transfers. Turns out that the SIFS setting used isn't ok, it doesn't look to be the real aSIFSTime, using the "magical" 0x22 value like on other 818x variants as the vendor does too fixes the issue. Tested-by: Larry Finger <Larry.Finger@lwfinger.net> Tested-by: Hin-Tak Leung <htl10@users.sourceforge.net> Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/rtl818x/rtl8187_dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index 4a9f76f46f7..5fe7473124e 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -935,7 +935,7 @@ static void rtl8187_conf_erp(struct rtl8187_priv *priv, bool use_short_slot,
difs = 0x32;
eifs = 0x5b;
}
- rtl818x_iowrite8(priv, &priv->map->SIFS, 0xa);
+ rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22);
rtl818x_iowrite8(priv, &priv->map->SLOT, slot_time);
rtl818x_iowrite8(priv, &priv->map->DIFS, difs);