From patchwork Tue Jan 21 12:40:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hayes Wang X-Patchwork-Id: 11343709 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3805413A4 for ; Tue, 21 Jan 2020 12:43:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 162762465B for ; Tue, 21 Jan 2020 12:43:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729740AbgAUMmz (ORCPT ); Tue, 21 Jan 2020 07:42:55 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:54693 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729714AbgAUMmx (ORCPT ); Tue, 21 Jan 2020 07:42:53 -0500 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID 00LCgnbX010998, 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 00LCgnbX010998 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 21 Jan 2020 20:42:49 +0800 Received: from fc30.localdomain (172.21.177.138) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.468.0; Tue, 21 Jan 2020 20:42:47 +0800 From: Hayes Wang To: CC: , , , , , Hayes Wang Subject: [PATCH net 2/9] r8152: reset flow control patch when linking on for RTL8153B Date: Tue, 21 Jan 2020 20:40:28 +0800 Message-ID: <1394712342-15778-340-Taiwan-albertk@realtek.com> X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <1394712342-15778-338-Taiwan-albertk@realtek.com> References: <1394712342-15778-338-Taiwan-albertk@realtek.com> MIME-Version: 1.0 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 When linking ON, the patch of flow control has to be reset. This makes sure the patch works normally. Signed-off-by: Hayes Wang --- drivers/net/usb/r8152.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 115559707683..64efd58279b3 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2857,6 +2857,7 @@ static void r8153_set_rx_early_size(struct r8152 *tp) static int rtl8153_enable(struct r8152 *tp) { + u32 ocp_data; if (test_bit(RTL8152_UNPLUG, &tp->flags)) return -ENODEV; @@ -2865,6 +2866,15 @@ static int rtl8153_enable(struct r8152 *tp) r8153_set_rx_early_timeout(tp); r8153_set_rx_early_size(tp); + if (tp->version == RTL_VER_09) { + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK); + ocp_data &= ~FC_PATCH_TASK; + ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data); + usleep_range(1000, 2000); + ocp_data |= FC_PATCH_TASK; + ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data); + } + return rtl_enable(tp); }