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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 E9FF5C433E0 for ; Tue, 30 Mar 2021 02:36:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92D6561994 for ; Tue, 30 Mar 2021 02:36:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230446AbhC3Cfo (ORCPT ); Mon, 29 Mar 2021 22:35:44 -0400 Received: from mail.loongson.cn ([114.242.206.163]:37414 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229911AbhC3Cfk (ORCPT ); Mon, 29 Mar 2021 22:35:40 -0400 Received: from [10.130.0.65] (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Ax7chwjmJgMTACAA--.2026S3; Tue, 30 Mar 2021 10:35:29 +0800 (CST) Subject: Re: [PATCH] MIPS: Loongson64: enable CONFIG_USB_SERIAL_PL2303 To: Jiaxun Yang , Thomas Bogendoerfer References: <20210329071558.3492-1-zhangqing@loongson.cn> Cc: Huacai Chen , "linux-mips@vger.kernel.org" , linux-kernel@vger.kernel.org From: zhangqing Message-ID: <69cc8399-1a1a-a75e-1f43-6359188592e9@loongson.cn> Date: Tue, 30 Mar 2021 10:35:28 +0800 User-Agent: Mozilla/5.0 (X11; Linux mips64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CM-TRANSID: AQAAf9Ax7chwjmJgMTACAA--.2026S3 X-Coremail-Antispam: 1UD129KBjvJXoWxXryfZr4fXF1kZw4kJw4xJFb_yoW5Zw1rpF yxArWDCF4kGFn5WFsFvFykWw48JF9xJrn2va18GryxtF93Z3yqvr1vy3ZrJws7Xr1kJa1F vFyfKa9agF4Iy37anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvqb7Iv0xC_Cr1lb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4 vEx4A2jsIEc7CjxVAFwI0_Cr1j6rxdM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVAC Y4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r106r15McIj6I8E87Iv67AKxVWUJV W8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IY64vIr41lc7I2V7IY0VAS07AlzVAYIcxG 8wCY02Avz4vE14v_Gr1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2 IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v2 6r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2 IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWrJr0_WFyUJwCI42IY6I8E 87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0x ZFpf9x07j1VbkUUUUU= X-CM-SenderInfo: x2kd0wptlqwqxorr0wxvrqhubq/ Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/30/2021 09:48 AM, Jiaxun Yang wrote: > > On Mon, Mar 29, 2021, at 3:15 PM, Qing Zhang wrote: >> When using the Loongson-3A4000 machine for serial port debugging, >> there is no /dev/ttyUSB* output, which makes the serial port unavailable, >> For convenience, we open this configuration. >> >> zhangqing@loongson-pc:~$ cat /sys/firmware/lefi/boardinfo >> Board Info >> Manufacturer : THTF >> Board Name : THTF-LS3A4000-7A1000-ML4A >> Family : LOONGSON3 >> >> BIOS Info >> Vendor : ZD tech >> Version : ZD tech-V2.1.1 >> ROM Size : 4 KB >> Release Date : 2020-06-29 >> >> zhangqing@loongson-pc:~$ lsusb >> Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub >> Bus 005 Device 003: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse >> Bus 005 Device 002: ID 0c45:760b Microdia USB Keyboard >> Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub >> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> Bus 003 Device 003: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port >> Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub >> >> Signed-off-by: Qing Zhang > Please, don't add random stuff to defconfig. > Carry it locally in your config as the device doesn't come with the borad, it's your accessory. Hi, jiaxun Thank you for your reply:-)， PL2303 is a commonly used accessory, I see that other platforms are turned on by default, so I also enabled it. eg: arch/powerpc/configs/g5_defconfig:191:CONFIG_USB_SERIAL_PL2303=m arch/powerpc/configs/ppc6xx_defconfig:902:CONFIG_USB_SERIAL_PL2303=m arch/mips/configs/rm200_defconfig:310:CONFIG_USB_SERIAL_PL2303=m arch/mips/configs/loongson3_defconfig:323:CONFIG_USB_SERIAL_PL2303=m arch/mips/configs/mtx1_defconfig:559:CONFIG_USB_SERIAL_PL2303=m arch/mips/configs/pistachio_defconfig:240:CONFIG_USB_SERIAL_PL2303=m arch/mips/configs/loongson1c_defconfig:88:CONFIG_USB_SERIAL_PL2303=m arch/mips/configs/loongson1b_defconfig:87:CONFIG_USB_SERIAL_PL2303=m arch/arm/configs/spitz_defconfig:183:CONFIG_USB_SERIAL_PL2303=m arch/arm/configs/s3c2410_defconfig:323:CONFIG_USB_SERIAL_PL2303=y arch/arm/configs/omap2plus_defconfig:430:CONFIG_USB_SERIAL_PL2303=m arch/arm/configs/at91_dt_defconfig:166:CONFIG_USB_SERIAL_PL2303=y arch/arm/configs/s3c6400_defconfig:57:CONFIG_USB_SERIAL_PL2303=m arch/arm/configs/corgi_defconfig:189:CONFIG_USB_SERIAL_PL2303=m arch/arm/configs/sama5_defconfig:183:CONFIG_USB_SERIAL_PL2303=y arch/arm/configs/pxa_defconfig:572:CONFIG_USB_SERIAL_PL2303=m arch/arm/configs/ep93xx_defconfig:101:CONFIG_USB_SERIAL_PL2303=y arch/arm/configs/omap1_defconfig:185:CONFIG_USB_SERIAL_PL2303=y arch/arm/configs/badge4_defconfig:90:CONFIG_USB_SERIAL_PL2303=m arch/sh/configs/landisk_defconfig:91:CONFIG_USB_SERIAL_PL2303=m arch/sh/configs/titan_defconfig:218:CONFIG_USB_SERIAL_PL2303=m Thanks, Qing > > Thanks. >