From patchwork Wed Jan 22 01:41:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hayes Wang X-Patchwork-Id: 11344843 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 DA1706C1 for ; Wed, 22 Jan 2020 01:42:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C27FD24672 for ; Wed, 22 Jan 2020 01:42:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729113AbgAVBl7 (ORCPT ); Tue, 21 Jan 2020 20:41:59 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:56779 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729098AbgAVBl6 (ORCPT ); Tue, 21 Jan 2020 20:41:58 -0500 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID 00M1fqZJ019841, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (RTITCASV02.realtek.com.tw[172.21.6.19]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTPS id 00M1fqZJ019841 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 22 Jan 2020 09:41:52 +0800 Received: from fc30.localdomain (172.21.177.138) by RTITCASV02.realtek.com.tw (172.21.6.19) with Microsoft SMTP Server id 14.3.468.0; Wed, 22 Jan 2020 09:41:51 +0800 From: Hayes Wang To: CC: , , , , , Hayes Wang Subject: [PATCH net v2 2/9] r8152: reset flow control patch when linking on for RTL8153B Date: Wed, 22 Jan 2020 09:41:14 +0800 Message-ID: <1394712342-15778-350-Taiwan-albertk@realtek.com> X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <1394712342-15778-348-Taiwan-albertk@realtek.com> References: <1394712342-15778-338-Taiwan-albertk@realtek.com> <1394712342-15778-348-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 | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 115559707683..504db2348a3e 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2865,6 +2865,17 @@ 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) { + u32 ocp_data; + + 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); }