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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 DDD90C433DF for ; Fri, 7 Aug 2020 09:43:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B9870221E5 for ; Fri, 7 Aug 2020 09:43:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727878AbgHGJna (ORCPT ); Fri, 7 Aug 2020 05:43:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727816AbgHGJna (ORCPT ); Fri, 7 Aug 2020 05:43:30 -0400 Received: from glittertind.blackshift.org (glittertind.blackshift.org [IPv6:2a01:4f8:1c1c:29e9::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B628C061574 for ; Fri, 7 Aug 2020 02:43:29 -0700 (PDT) Received: from bjornoya.blackshift.org (unknown [IPv6:2a03:f580:87bc:d400:213:3bff:fe04:292]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "bjornoya.blackshift.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by glittertind.blackshift.org (Postfix) with ESMTPS id 78E1E3D05B0; Fri, 7 Aug 2020 09:43:27 +0000 (UTC) Received: from [IPv6:2a03:f580:87bc:d400:807b:6cdc:6efd:a5b4] (unknown [IPv6:2a03:f580:87bc:d400:807b:6cdc:6efd:a5b4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mkl@blackshift.org", Issuer "StartCom Class 1 Client CA" (not verified)) (Authenticated sender: mkl@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id 51D6D545373; Fri, 7 Aug 2020 09:43:26 +0000 (UTC) Subject: Re: loongson ls2k1000: PCIe serial card WCH CH382L not working, maybe ioports problem To: Jiaxun Yang , Du Huanpeng , linux-mips@vger.kernel.org Cc: zhangj@wch.cn, linux@rempel-privat.de References: <20200807030826.GA10693@tkernel.org> <88921f60-1458-ab04-2ed9-bce57ce7101d@flygoat.com> <12ec3fa0-263e-71d6-0c95-cedde0713f0c@flygoat.com> From: Marc Kleine-Budde Autocrypt: addr=mkl@blackshift.org; prefer-encrypt=mutual; keydata= mQINBFFVq30BEACtnSvtXHoeHJxG6nRULcvlkW6RuNwHKmrqoksispp43X8+nwqIFYgb8UaX zu8T6kZP2wEIpM9RjEL3jdBjZNCsjSS6x1qzpc2+2ivjdiJsqeaagIgvy2JWy7vUa4/PyGfx QyUeXOxdj59DvLwAx8I6hOgeHx2X/ntKAMUxwawYfPZpP3gwTNKc27dJWSomOLgp+gbmOmgc 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gFH443BhsrN8pOV0OXHHFkwsLFXaNrgHGNTFTB4TemCY5zKmxaB0KtB/tmHp05UwZ9lrKfEy MrRNRi+hG2j1mzId1S0XIoZTI9vDlFhkhEcWrcZcoAxuXAYmN7Jzd8Scga6IecZP7B0YDnR6 Zro5xcru+8uEU2dlvA== Message-ID: <9bdf6c48-3fe3-d6b4-d2cf-4e60547965dc@blackshift.org> Date: Fri, 7 Aug 2020 11:43:21 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <12ec3fa0-263e-71d6-0c95-cedde0713f0c@flygoat.com> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ivlcmBA2UfeR1aJYKUTxYKDRG09UBgq68" Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --ivlcmBA2UfeR1aJYKUTxYKDRG09UBgq68 Content-Type: multipart/mixed; boundary="H3Tb49KNe47C5HfbLpTCXTHR8tevfdABM"; protected-headers="v1" From: Marc Kleine-Budde To: Jiaxun Yang , Du Huanpeng , linux-mips@vger.kernel.org Cc: zhangj@wch.cn, linux@rempel-privat.de Message-ID: <9bdf6c48-3fe3-d6b4-d2cf-4e60547965dc@blackshift.org> Subject: Re: loongson ls2k1000: PCIe serial card WCH CH382L not working, maybe ioports problem References: <20200807030826.GA10693@tkernel.org> <88921f60-1458-ab04-2ed9-bce57ce7101d@flygoat.com> <12ec3fa0-263e-71d6-0c95-cedde0713f0c@flygoat.com> In-Reply-To: <12ec3fa0-263e-71d6-0c95-cedde0713f0c@flygoat.com> --H3Tb49KNe47C5HfbLpTCXTHR8tevfdABM Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: quoted-printable On 8/7/20 11:39 AM, Jiaxun Yang wrote: >>>> However a write to the serial fails: >>>> / # echo "hello" >/dev/ttyS0 >>>> [ 9369.631915] serial 0000:06:00.0: LSR safety check engaged! >>>> sh: write error: Input/output error >>> I assume you're using my out-of-tree fork to support LS2K. >>> I messed with Logic PIO in that fork. >>> I'll fix it in mainline, sorry for the issue... >> Do you have a tree that we can test? >=20 > I'm trying to trim my patches to meet mainline requirement but I was > really busy recent days. No problem! > I'll report when the tree is ready. thanks, Marc --H3Tb49KNe47C5HfbLpTCXTHR8tevfdABM-- --ivlcmBA2UfeR1aJYKUTxYKDRG09UBgq68 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEK3kIWJt9yTYMP3ehqclaivrt76kFAl8tIjkACgkQqclaivrt 76mL2gf/RuvZWZesa7LZx00FsxuntPo6Iwzg90bC41I2Vj40dF3f3pHvYyKRGjMp YVG0YH5tdGcvGglNURNqBS3howgpEvUx/EX/K9Wpq3mLBOAcsWMQwqUzhmeVlJN9 6lqDiPjxk5wHKp+oLzWySe0H3fEmrHyuXQeAJMcnXUzZTdnc31O/oBfeoJOBqDsm OWw8kVvXVAeU5smWBfiKex2sUeiDZZlC9oGkQcCBuVwR9xZ3egRbn3Q6MrZnYrdE ODaxkEHUsBSQ53xmGZsgZsLQbngSQRj5CIa9mCkfU4lOpZFoaiW/5igueD5FrJVH YukiCs2jwO2UAY+DVQ3N3gfAmkCLtQ== =5m3d -----END PGP SIGNATURE----- --ivlcmBA2UfeR1aJYKUTxYKDRG09UBgq68--