From: Andrea Merello <andreamrl@xxxxxxxxxx>
The RF version can be identified by writing and reading some RF chip
registers.
However 3-wire registers are initialized in the RF initialization
function, that is different for radio V1 and V2.
This caused write to RF chip with unitialized 3-wire bus, causing
sometimes malfunctions in following RF initialization code.
This patch add 3-wire bus registers initialization in the RF
identification function.
Signed-off-by: Andrea Merello <andreamrl@xxxxxxxxxx>
Signed-off-by: Michael Wu <flamingice@xxxxxxxxxxxx>
---
drivers/net/wireless/rtl8180_rtl8225.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/rtl8180_rtl8225.c b/drivers/net/wireless/rtl8180_rtl8225.c
index 3bcdb9e..1c4fd33 100644
--- a/drivers/net/wireless/rtl8180_rtl8225.c
+++ b/drivers/net/wireless/rtl8180_rtl8225.c
@@ -305,10 +305,16 @@ static void rtl8225_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
int rtl8225_is_z2(struct ieee80211_hw *dev)
{
+ struct rtl8180_priv *priv = dev->priv;
int z2 = 0;
+ rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480);
+ rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x0488);
+ rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+ rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+ msleep(100);
+
rtl8225_write(dev, 0, 0x1B7);
- rtl8225_read(dev, 0);
if (rtl8225_read(dev, 8) == 0x588 && rtl8225_read(dev, 9) == 0x700)
z2 = 1;
-
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