From: Jes Sorensen <[email protected]> The 8192eu requires clearing/restoring bit 17 in REG_FPGA0_POWER_SAVE before/after writing RF registers.
Signed-off-by: Jes Sorensen <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
