diff options
Diffstat (limited to 'package/kernel/mac80211/patches/658-0002-rtl8xxxu-Fix-rtl8192eu-driver-reload-issue.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/658-0002-rtl8xxxu-Fix-rtl8192eu-driver-reload-issue.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/658-0002-rtl8xxxu-Fix-rtl8192eu-driver-reload-issue.patch b/package/kernel/mac80211/patches/658-0002-rtl8xxxu-Fix-rtl8192eu-driver-reload-issue.patch new file mode 100644 index 0000000000..ba7477b3d3 --- /dev/null +++ b/package/kernel/mac80211/patches/658-0002-rtl8xxxu-Fix-rtl8192eu-driver-reload-issue.patch @@ -0,0 +1,46 @@ +From 93064d0ae3e9d97c03a3aabd71e6048e1ac82f46 Mon Sep 17 00:00:00 2001 +From: Jes Sorensen <Jes.Sorensen@redhat.com> +Date: Fri, 30 Sep 2016 19:18:34 -0400 +Subject: [PATCH] rtl8xxxu: Fix rtl8192eu driver reload issue + +The 8192eu suffered from two issues when reloading the driver. + +The same problems as with the 8723bu where REG_RX_WAIT_CCA bits 22 and +23 didn't get set in rtl8192e_enable_rf(). + +In addition it also seems prone to issues when setting REG_RF_CTRL to +0 intead of just disabling the RF_ENABLE bit. Similar to what was +causing issues with the 8188eu. + +With this patch I can successfully reload the driver and reassociate +to an APi with an 8192eu dongle. + +Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> +--- + drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c ++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c +@@ -1461,7 +1461,9 @@ static int rtl8192eu_active_to_emu(struc + int count, ret = 0; + + /* Turn off RF */ +- rtl8xxxu_write8(priv, REG_RF_CTRL, 0); ++ val8 = rtl8xxxu_read8(priv, REG_RF_CTRL); ++ val8 &= ~RF_ENABLE; ++ rtl8xxxu_write8(priv, REG_RF_CTRL, val8); + + /* Switch DPDT_SEL_P output from register 0x65[2] */ + val8 = rtl8xxxu_read8(priv, REG_LEDCFG2); +@@ -1593,6 +1595,10 @@ static void rtl8192e_enable_rf(struct rt + u32 val32; + u8 val8; + ++ val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA); ++ val32 |= (BIT(22) | BIT(23)); ++ rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32); ++ + val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG); + val8 |= BIT(5); + rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8); |