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rtl8xxxu: Match 8723bu power down sequence to vendor driver

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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 <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Jes Sorensen 2016-04-14 16:37:12 -04:00 committed by Kalle Valo
parent 8d95c8084f
commit 8e25496090
1 changed files with 12 additions and 4 deletions
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16
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
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@ -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