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- From 2764703c3c896d427731391aa978c536aaf4cb91 Mon Sep 17 00:00:00 2001
- From: Jes Sorensen <Jes.Sorensen@redhat.com>
- Date: Tue, 30 Aug 2016 17:23:35 -0400
- Subject: [PATCH] rtl8xxxu: Correct power down sequence for 8188eu
- This matches the vendor driver more correctly
- Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
- ---
- .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 26 ++++++++++++++++------
- 1 file changed, 19 insertions(+), 7 deletions(-)
- --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
- +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
- @@ -1083,7 +1083,8 @@ static void rtl8188e_disabled_to_emu(str
- u16 val16;
-
- val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
- - val16 &= ~(APS_FSMCO_PFM_WOWL | APS_FSMCO_ENABLE_POWERDOWN);
- + val16 &= ~(APS_FSMCO_PFM_WOWL | APS_FSMCO_ENABLE_POWERDOWN |
- + APS_FSMCO_HW_POWERDOWN);
- rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
- }
-
- @@ -1196,15 +1197,26 @@ static int rtl8188eu_emu_to_disabled(str
- {
- u8 val8;
-
- - /* 0x04[12:11] = 01 enable WL suspend */
- - val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2);
- - val8 &= ~BIT(0);
- - rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8);
- + val8 = rtl8xxxu_read8(priv, REG_AFE_XTAL_CTRL + 2);
- + val8 |= BIT(7);
- + rtl8xxxu_write8(priv, REG_AFE_XTAL_CTRL + 2, val8);
-
- val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
- - val8 |= BIT(7);
- + val8 &= ~(BIT(3) | BIT(4));
- + val8 |= BIT(3);
- rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
-
- + rtl8xxxu_write8(priv, REG_APS_FSMCO + 3, 0x00);
- +
- + val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG + 1);
- + val8 &= ~BIT(4);
- + rtl8xxxu_write8(priv, REG_GPIO_MUXCFG + 1, val8);
- +
- + /* Set USB suspend enable local register 0xfe10[4]=1 */
- + val8 = rtl8xxxu_read8(priv, 0xfe10);
- + val8 |= BIT(4);
- + rtl8xxxu_write8(priv, 0xfe10, val8);
- +
- return 0;
- }
-
- @@ -1339,7 +1351,7 @@ void rtl8188eu_power_off(struct rtl8xxxu
- rtl8xxxu_write8(priv, REG_GPIO_PIN_CTRL + 2, 0xff);
-
- val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL);
- - rtl8xxxu_write8(priv, REG_GPIO_IO_SEL + 1, val8 << 4);
- + rtl8xxxu_write8(priv, REG_GPIO_IO_SEL, val8 << 4);
- val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL + 1);
- rtl8xxxu_write8(priv, REG_GPIO_IO_SEL + 1, val8 | 0x0f);
-
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