Received: by 2002:a05:6358:9144:b0:117:f937:c515 with SMTP id r4csp4579447rwr; Sun, 30 Apr 2023 10:07:52 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6x9lPiiXzirTfzviQ+XLf/ohf/1HoSD0feQl3ASn5RpbFEKlxqABUR4sC32rLNd+/deIsW X-Received: by 2002:a05:6a00:414d:b0:5e4:f141:568b with SMTP id bv13-20020a056a00414d00b005e4f141568bmr13389184pfb.3.1682874471924; Sun, 30 Apr 2023 10:07:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1682874471; cv=none; d=google.com; s=arc-20160816; b=BcZk7tAHN4dRwOzSQ3DD8M/pi5c1BNs8tX+8AfNXEtgTSh4D0fYbv0ygDFYIQioWAe 4MBXpsZ7QwAQ4UsDDNhGfZhqjRxy30R7QlwW2qWtu7oNIITr7rIKmlSiRViKTL0zxRUk fbhS5J0Fg6U+Kj7QmXNNGr7G6S5IsbF8OvedqpADte4XdsRP9GmG3h2yliusB+FKaOVT AEcFwS7E0mS5Gr954Zq067bM9f6OZHZ8x4zBSuo7+sMTT5JRborFPQ7lqgMDH9oVSGG+ GjDzFlPZ+zLXvh/OqGcAgoXAu6MwWPAsJYIN1uEMhWtX4xBvhamh5rA2lU9Eoqfcllme 7dmg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=WTRTlDDqMxUuUTFJWmeGTdBlWrk5vVgubY7dG/oIgVE=; b=0jNvTRrwtA9nmRsSAoU4BHPHuerDLSawbvVLjU3jHV6SlD2nhZcwjdZP/l6TmxM49d EbHTJ92LjRBVSSfRoktP4mdZweuqdod38hgWRBbi4O9AagBTD+EB+qhvb/P717thPayM KwUe0Mj0bsmP6GIL6O1DtINQwxWfc50GmfcHZNGD5H1EH61ipyhkvalDTJxca+WJykpW 4iAERpZRJxM+6y2H4Z36UV7sdQz1vq3kn6Ae/zhrMvZz3sPK5wNQfqCzPTuE0dwEmEW9 U6b/4Po3rnkFN+hO1K/923/Or4ZmGxZluOnObLEPzW6P1PwXIL1eZsxD0fniGRprTWMl UHsw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id d79-20020a621d52000000b0063b8e26e438si26324539pfd.97.2023.04.30.10.07.38; Sun, 30 Apr 2023 10:07:51 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230512AbjD3RHT (ORCPT + 99 others); Sun, 30 Apr 2023 13:07:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229788AbjD3RHO (ORCPT ); Sun, 30 Apr 2023 13:07:14 -0400 Received: from synguard (unknown [212.29.212.82]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 195492729; Sun, 30 Apr 2023 10:07:10 -0700 (PDT) Received: from T14.siklu.local (T14.siklu.local [192.168.42.187]) by synguard (Postfix) with ESMTP id 8AEC34E4CD; Sun, 30 Apr 2023 20:07:06 +0300 (IDT) From: Shmuel Hazan To: Russell King Cc: Marcin Wojtas , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Richard Cochran , horatiu.vultur@microchip.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , devicetree@vger.kernel.org, Shmuel Hazan Subject: [PATCH v4 0/3] net: mvpp2: tai: add extts support Date: Sun, 30 Apr 2023 20:06:53 +0300 Message-Id: <20230430170656.137549-1-shmuel.h@siklu.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00,FSL_HELO_NON_FQDN_1, HELO_NO_DOMAIN,RDNS_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series adds support for PTP event capture on the Aramda 80x0/70x0. This feature is mainly used by tools linux ts2phc(3) in order to synchronize a timestamping unit (like the mvpp2's TAI) and a system DPLL on the same PCB. The patch series includes 3 patches: the second one implements the actual extts function. Changes in v2: * Fixed a deadlock in the poll worker. * Removed tabs from comments. Changes in v3: * Added more explanation about the change in behavior in mvpp22_tai_start. * Explain the reason for choosing 95ms as a polling rate. Changes in v4: * Add additional lock for the polling worker reference count. Shmuel Hazan (3): net: mvpp2: tai: add refcount for ptp worker net: mvpp2: tai: add extts support dt-bindings: net: marvell,pp2: add extts docs .../devicetree/bindings/net/marvell,pp2.yaml | 18 + .../net/ethernet/marvell/mvpp2/mvpp2_tai.c | 332 ++++++++++++++++-- 2 files changed, 316 insertions(+), 34 deletions(-) base-commit: 3e7bb4f2461710b70887704af7f175383251088e -- 2.40.1