2014-03-26 20:01:53

by Andrea Merello

[permalink] [raw]
Subject: [PATCH 15/20] rtl8180: add ERP configuration for rtl8187se

This patch adds ERP configuration support for rtl8187se to the
existing ERP configuration function.
It needs a different register offset and it must not apply
rtl8185 workaround.

Signed-off-by: Andrea Merello <[email protected]>
---
drivers/net/wireless/rtl818x/rtl8180/dev.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
index 8061852..6f9da01 100644
--- a/drivers/net/wireless/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -1336,13 +1336,17 @@ static void rtl8180_conf_erp(struct ieee80211_hw *dev,
/* from reference code. set ack timeout reg = eifs reg */
rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER, hw_eifs);

- /* rtl8187/rtl8185 HW bug. After EIFS is elapsed,
- * the HW still wait for DIFS.
- * HW uses 4uS units for EIFS.
- */
- hw_eifs = DIV_ROUND_UP(eifs - difs, 4);
+ if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE)
+ rtl818x_iowrite8(priv, &priv->map->EIFS_8187SE, hw_eifs);
+ else if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8185) {
+ /* rtl8187/rtl8185 HW bug. After EIFS is elapsed,
+ * the HW still wait for DIFS.
+ * HW uses 4uS units for EIFS.
+ */
+ hw_eifs = DIV_ROUND_UP(eifs - difs, 4);

- rtl818x_iowrite8(priv, &priv->map->EIFS, hw_eifs);
+ rtl818x_iowrite8(priv, &priv->map->EIFS, hw_eifs);
+ }
}

static void rtl8180_bss_info_changed(struct ieee80211_hw *dev,
--
1.8.3.2