package/kernel/mac80211/patches/653-0022-rtl8xxxu-Setup-interrupts-for-8188eu.patch

   1 From 4c85a1704e555aa04d72e31a4a90b9c4bf01d83b Mon Sep 17 00:00:00 2001
   2 From: Jes Sorensen <Jes.Sorensen@redhat.com>
   3 Date: Wed, 20 Jul 2016 16:59:18 -0400
   4 Subject: [PATCH] rtl8xxxu: Setup interrupts for 8188eu
   5
   6 This sets up interrupts for 8188eu, but per vendor driver, it's not
   7 obvious this is really needed for USB devices.
   8
   9 Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
  10 ---
  11  drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 9 +++++++++
  12  1 file changed, 9 insertions(+)
  13
  14 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
  15 +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
  16 @@ -4041,6 +4041,15 @@ static int rtl8xxxu_init_device(struct i
  17         if (priv->rtl_chip == RTL8192E) {
  18                 rtl8xxxu_write32(priv, REG_HIMR0, 0x00);
  19                 rtl8xxxu_write32(priv, REG_HIMR1, 0x00);
  20 +       } else if (priv->rtl_chip == RTL8188E) {
  21 +               rtl8xxxu_write32(priv, REG_HISR0, 0xffffffff);
  22 +               val32 = IMR0_PSTIMEOUT | IMR0_TBDER | IMR0_CPWM | IMR0_CPWM2;
  23 +               rtl8xxxu_write32(priv, REG_HIMR0, val32);
  24 +               val32 = IMR1_TXERR | IMR1_RXERR | IMR1_TXFOVW | IMR1_RXFOVW;
  25 +               rtl8xxxu_write32(priv, REG_HIMR1, val32);
  26 +               val8 = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION);
  27 +               val8 |= USB_SPEC_INT_BULK_SELECT;
  28 +               rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, val8);
  29         } else {
  30                 /*
  31                  * Enable all interrupts - not obvious USB needs to do this