From: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
The 8192eu requires clearing/restoring bit 17 in REG_FPGA0_POWER_SAVE
before/after writing RF registers.
Signed-off-by: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index c3d69ff..356fdf3 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -1896,7 +1896,7 @@ static int rtl8xxxu_write_rfreg(struct rtl8xxxu_priv *priv,
enum rtl8xxxu_rfpath path, u8 reg, u32 data)
{
int ret, retval;
- u32 dataaddr;
+ u32 dataaddr, val32;
if (rtl8xxxu_debug & RTL8XXXU_DEBUG_RFREG_WRITE)
dev_info(&priv->udev->dev, "%s(%02x) = 0x%06x\n",
@@ -1905,6 +1905,12 @@ static int rtl8xxxu_write_rfreg(struct rtl8xxxu_priv *priv,
data &= FPGA0_LSSI_PARM_DATA_MASK;
dataaddr = (reg << FPGA0_LSSI_PARM_ADDR_SHIFT) | data;
+ if (priv->rtl_chip == RTL8192E) {
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE);
+ val32 &= ~0x20000;
+ rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32);
+ }
+
/* Use XB for path B */
ret = rtl8xxxu_write32(priv, rtl8xxxu_rfregs[path].lssiparm, dataaddr);
if (ret != sizeof(dataaddr))
@@ -1914,6 +1920,12 @@ static int rtl8xxxu_write_rfreg(struct rtl8xxxu_priv *priv,
udelay(1);
+ if (priv->rtl_chip == RTL8192E) {
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE);
+ val32 |= 0x20000;
+ rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32);
+ }
+
return retval;
}
--
2.5.5
--
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