From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8470C00307 for ; Mon, 9 Sep 2019 07:16:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7961421920 for ; Mon, 9 Sep 2019 07:16:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731814AbfIIHQ0 (ORCPT ); Mon, 9 Sep 2019 03:16:26 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:57952 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728494AbfIIHQZ (ORCPT ); Mon, 9 Sep 2019 03:16:25 -0400 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID x897GJBb014351, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (RTITCASV01.realtek.com.tw[172.21.6.18]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTPS id x897GJBb014351 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 9 Sep 2019 15:16:19 +0800 Received: from localhost.localdomain (172.21.68.126) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.468.0; Mon, 9 Sep 2019 15:16:19 +0800 From: To: CC: , Subject: [PATCH v2 3/8] rtw88: 8822c: Enable interrupt migration Date: Mon, 9 Sep 2019 15:16:06 +0800 Message-ID: <1568013371-21805-4-git-send-email-yhchuang@realtek.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1568013371-21805-1-git-send-email-yhchuang@realtek.com> References: <1568013371-21805-1-git-send-email-yhchuang@realtek.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.21.68.126] Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Tsang-Shian Lin Enable 8822C Tx/Rx interrupt migration. In some platforms, performance test may cause heavy cpu loading and get bad results. Interrupt migration can decrease the amount of interrupts, and lower cpu loading. Signed-off-by: Tsang-Shian Lin Signed-off-by: Yan-Hsuan Chuang --- v1 -> v2 * no change drivers/net/wireless/realtek/rtw88/reg.h | 2 ++ drivers/net/wireless/realtek/rtw88/rtw8822c.c | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/reg.h b/drivers/net/wireless/realtek/rtw88/reg.h index 0bd0717..78ad053 100644 --- a/drivers/net/wireless/realtek/rtw88/reg.h +++ b/drivers/net/wireless/realtek/rtw88/reg.h @@ -193,6 +193,8 @@ #define REG_H2C_READ_ADDR 0x024C #define REG_H2C_INFO 0x0254 +#define REG_INT_MIG 0x0304 + #define REG_FWHW_TXQ_CTRL 0x0420 #define BIT_EN_BCNQ_DL BIT(22) #define BIT_EN_WR_FREE_TAIL BIT(20) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index b072d43..e11bbc3 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -1114,6 +1114,7 @@ static void rtw8822c_phy_set_param(struct rtw_dev *rtwdev) #define WLAN_MAC_OPT_NORM_FUNC1 0x98 #define WLAN_MAC_OPT_LB_FUNC1 0x80 #define WLAN_MAC_OPT_FUNC2 0x30810041 +#define WLAN_MAC_INT_MIG_CFG 0x33330000 #define WLAN_SIFS_CFG (WLAN_SIFS_CCK_CONT_TX | \ (WLAN_SIFS_OFDM_CONT_TX << BIT_SHIFT_SIFS_OFDM_CTX) | \ @@ -1251,6 +1252,9 @@ static int rtw8822c_mac_init(struct rtw_dev *rtwdev) value16 = BIT_SET_RXPSF_ERRTHR(value16, 0x07); rtw_write16(rtwdev, REG_RXPSF_CTRL, value16); + /* Interrupt migration configuration */ + rtw_write32(rtwdev, REG_INT_MIG, WLAN_MAC_INT_MIG_CFG); + return 0; } -- 2.7.4