From patchwork Fri Aug 18 16:38:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 714854 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36637EE4982 for ; Fri, 18 Aug 2023 17:22:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378976AbjHRRWN (ORCPT ); Fri, 18 Aug 2023 13:22:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379045AbjHRRWJ (ORCPT ); Fri, 18 Aug 2023 13:22:09 -0400 Received: from pegase1.c-s.fr (unknown [90.115.179.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 290134217; Fri, 18 Aug 2023 10:21:41 -0700 (PDT) Received: from localhost (mailhub3.si.c-s.fr [192.168.12.233]) by localhost (Postfix) with ESMTP id 4RS6zd3Vwdz9vh6; Fri, 18 Aug 2023 18:39:57 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ok8P6jc0Im6f; Fri, 18 Aug 2023 18:39:57 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4RS6zb6BlNz9vh2; Fri, 18 Aug 2023 18:39:55 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id CBB398B763; Fri, 18 Aug 2023 18:39:55 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id 5beDYZ15lM4Q; Fri, 18 Aug 2023 18:39:55 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (PO17626.IDSI0.si.c-s.fr [172.19.54.29]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 2064B8B76C; Fri, 18 Aug 2023 18:39:55 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (localhost [127.0.0.1]) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.16.1) with ESMTPS id 37IGdnC1141935 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Fri, 18 Aug 2023 18:39:49 +0200 Received: (from chleroy@localhost) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.17.1/Submit) id 37IGdfGJ141922; Fri, 18 Aug 2023 18:39:41 +0200 X-Authentication-Warning: PO20335.IDSI0.si.c-s.fr: chleroy set sender to christophe.leroy@csgroup.eu using -f From: Christophe Leroy To: Herve Codina , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lee Jones , Linus Walleij , Qiang Zhao , Li Yang , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen , Christophe Leroy , Randy Dunlap Cc: netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, alsa-devel@alsa-project.org, Thomas Petazzoni Subject: [PATCH v4 00/28] Add support for QMC HDLC, framer infrastruture and PEF2256 framer (v4) Date: Fri, 18 Aug 2023 18:38:54 +0200 Message-ID: X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1692376733; l=10866; i=christophe.leroy@csgroup.eu; s=20211009; h=from:subject:message-id; bh=835G2+Dp1ba8DphKmbFdPRBzL9um9unEywPAxrJCQm4=; b=5997gMHilOeMKEtdjViSSuw8u3fSBtNmAMIrRP3FiSsrVAJNLPDw4ypo8RmXIPrGZoappExBe ANDgcgUJ5EBDsC0hs5U1QAqDFXb5s53H6/6hBXFlU4ImeGfN/sjH0W5 X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Herve Codina Hi, TLDR: This is a resend of v3 with a build failure fix in patch 21. No other changes. I have a system where I need to handle an HDLC interface and some audio data. The HDLC data are transferred using a TDM bus on which a PEF2256 (E1/T1 framer) is present. The PEF2256 transfers data from/to the TDM bus to/from the E1 line. This PEF2256 is connected to a PowerQUICC SoC for the control path and the TDM is connected to the SoC (QMC component) for the data path.