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=-4.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY autolearn=unavailable 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 95478C0650E for ; Mon, 1 Jul 2019 07:53:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7909820B7C for ; Mon, 1 Jul 2019 07:53:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727435AbfGAHxq (ORCPT ); Mon, 1 Jul 2019 03:53:46 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:33209 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726036AbfGAHxq (ORCPT ); Mon, 1 Jul 2019 03:53:46 -0400 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID x617rh0D004617, 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 x617rh0D004617 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 1 Jul 2019 15:53:43 +0800 Received: from fc30.localdomain (172.21.177.138) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.439.0; Mon, 1 Jul 2019 15:53:42 +0800 From: Hayes Wang To: CC: , , , Hayes Wang Subject: [PATCH net] r8152: fix the setting of detecting the linking change for runtime suspend Date: Mon, 1 Jul 2019 15:53:19 +0800 Message-ID: <1394712342-15778-286-albertk@realtek.com> X-Mailer: Microsoft Office Outlook 11 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [172.21.177.138] Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org 1. Rename r8153b_queue_wake() to r8153_queue_wake(). 2. Correct the setting. The enable bit should be 0xd38c bit 0. Besides, the 0xd38a bit 0 and 0xd398 bit 8 have to be cleared for both enabled and disabled. Signed-off-by: Hayes Wang --- drivers/net/usb/r8152.c | 38 +++++++++++++++++++++++++++----------- 1 file changed, 27 insertions(+), 11 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index e0dcb681cfe5..101d1325f3f1 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -53,6 +53,9 @@ #define PAL_BDC_CR 0xd1a0 #define PLA_TEREDO_TIMER 0xd2cc #define PLA_REALWOW_TIMER 0xd2e8 +#define PLA_SUSPEND_FLAG 0xd38a +#define PLA_INDICATE_FALG 0xd38c +#define PLA_EXTRA_STATUS 0xd398 #define PLA_EFUSE_DATA 0xdd00 #define PLA_EFUSE_CMD 0xdd02 #define PLA_LEDSEL 0xdd90 @@ -336,6 +339,15 @@ /* PLA_BOOT_CTRL */ #define AUTOLOAD_DONE 0x0002 +/* PLA_SUSPEND_FLAG */ +#define LINK_CHG_EVENT BIT(0) + +/* PLA_INDICATE_FALG */ +#define UPCOMING_RUNTIME_D3 BIT(0) + +/* PLA_EXTRA_STATUS */ +#define LINK_CHANGE_FLAG BIT(8) + /* USB_USB2PHY */ #define USB2PHY_SUSPEND 0x0001 #define USB2PHY_L1 0x0002 @@ -2806,20 +2818,24 @@ static void r8153b_power_cut_en(struct r8152 *tp, bool enable) ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); } -static void r8153b_queue_wake(struct r8152 *tp, bool enable) +static void r8153_queue_wake(struct r8152 *tp, bool enable) { u32 ocp_data; - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, 0xd38a); + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_INDICATE_FALG); if (enable) - ocp_data |= BIT(0); + ocp_data |= UPCOMING_RUNTIME_D3; else - ocp_data &= ~BIT(0); - ocp_write_byte(tp, MCU_TYPE_PLA, 0xd38a, ocp_data); + ocp_data &= ~UPCOMING_RUNTIME_D3; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_INDICATE_FALG, ocp_data); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_SUSPEND_FLAG); + ocp_data &= ~LINK_CHG_EVENT; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_SUSPEND_FLAG, ocp_data); - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, 0xd38c); - ocp_data &= ~BIT(0); - ocp_write_byte(tp, MCU_TYPE_PLA, 0xd38c, ocp_data); + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS); + ocp_data &= ~LINK_CHANGE_FLAG; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data); } static bool rtl_can_wakeup(struct r8152 *tp) @@ -2887,14 +2903,14 @@ static void rtl8153_runtime_enable(struct r8152 *tp, bool enable) static void rtl8153b_runtime_enable(struct r8152 *tp, bool enable) { if (enable) { - r8153b_queue_wake(tp, true); + r8153_queue_wake(tp, true); r8153b_u1u2en(tp, false); r8153_u2p3en(tp, false); rtl_runtime_suspend_enable(tp, true); r8153b_ups_en(tp, true); } else { r8153b_ups_en(tp, false); - r8153b_queue_wake(tp, false); + r8153_queue_wake(tp, false); rtl_runtime_suspend_enable(tp, false); r8153_u2p3en(tp, true); r8153b_u1u2en(tp, true); @@ -4221,7 +4237,7 @@ static void r8153b_init(struct r8152 *tp) r8153b_power_cut_en(tp, false); r8153b_ups_en(tp, false); - r8153b_queue_wake(tp, false); + r8153_queue_wake(tp, false); rtl_runtime_suspend_enable(tp, false); r8153b_u1u2en(tp, true); usb_enable_lpm(tp->udev); -- 2.21.0