From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]:42202 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752362AbcI3XfU (ORCPT ); Fri, 30 Sep 2016 19:35:20 -0400 From: Jes.Sorensen@redhat.com To: linux-wireless@vger.kernel.org Cc: kvalo@codeaurora.org, Larry.Finger@lwfinger.net, stable@vger.kernel.org, Jes Sorensen Subject: [PATCH 1/2] rtl8xxxu: Fix rtl8723bu driver reload issue Date: Fri, 30 Sep 2016 19:35:17 -0400 Message-Id: <1475278518-18527-2-git-send-email-Jes.Sorensen@redhat.com> (sfid-20161001_013530_145507_FFCC8602) In-Reply-To: <1475278518-18527-1-git-send-email-Jes.Sorensen@redhat.com> References: <1475278518-18527-1-git-send-email-Jes.Sorensen@redhat.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Jes Sorensen The generic disable_rf() function clears bits 22 and 23 in REG_RX_WAIT_CCA, however we did not re-enable them again in rtl8723b_enable_rf() This resolves the problem for me with 8723bu devices not working again after reloading the driver. Signed-off-by: Jes Sorensen --- drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c index 6c086b5..02b8ddd 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c @@ -1498,6 +1498,10 @@ static void rtl8723b_enable_rf(struct rtl8xxxu_priv *priv) 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); + /* * No indication anywhere as to what 0x0790 does. The 2 antenna * vendor code preserves bits 6-7 here. -- 2.7.4