From 8e25496090431553ce2200f53bbe194b9e0a19d2 Mon Sep 17 00:00:00 2001 From: Jes Sorensen Date: Thu, 14 Apr 2016 16:37:12 -0400 Subject: rtl8xxxu: Match 8723bu power down sequence to vendor driver In particular set APS_FSMCO_WLON_RESET in the right register, and do not overwrite too much of REG_CR. Signed-off-by: Jes Sorensen Signed-off-by: Kalle Valo --- drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c') diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c index 8bf9a74bec63..5685fd744fbc 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c @@ -6510,9 +6510,9 @@ static int rtl8723bu_active_to_emu(struct rtl8xxxu_priv *priv) rtl8xxxu_write16(priv, REG_GPIO_INTM, val16); /* Release WLON reset 0x04[16]= 1*/ - val32 = rtl8xxxu_read32(priv, REG_GPIO_INTM); + val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); val32 |= APS_FSMCO_WLON_RESET; - rtl8xxxu_write32(priv, REG_GPIO_INTM, val32); + rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); /* 0x0005[1] = 1 turn off MAC by HW state machine*/ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); @@ -7376,7 +7376,7 @@ static void rtl8723bu_power_off(struct rtl8xxxu_priv *priv) val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE; rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); - rtl8xxxu_write16(priv, REG_CR, 0x0000); + rtl8xxxu_write8(priv, REG_CR, 0x0000); rtl8xxxu_active_to_lps(priv); @@ -7393,7 +7393,15 @@ static void rtl8723bu_power_off(struct rtl8xxxu_priv *priv) rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); rtl8723bu_active_to_emu(priv); - rtl8xxxu_emu_to_disabled(priv); + + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 |= BIT(3); /* APS_FSMCO_HW_SUSPEND */ + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + /* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */ + val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2); + val8 |= BIT(0); + rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8); } #ifdef NEED_PS_TDMA -- cgit v1.2.3