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=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 5AF56C433DF for ; Fri, 3 Jul 2020 21:23:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34C0120BED for ; Fri, 3 Jul 2020 21:23:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="elRomxe6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727012AbgGCVXk (ORCPT ); Fri, 3 Jul 2020 17:23:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726474AbgGCVXj (ORCPT ); Fri, 3 Jul 2020 17:23:39 -0400 Received: from mail-il1-x143.google.com (mail-il1-x143.google.com [IPv6:2607:f8b0:4864:20::143]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06C77C061794 for ; Fri, 3 Jul 2020 14:23:39 -0700 (PDT) Received: by mail-il1-x143.google.com with SMTP id k6so28262537ili.6 for ; Fri, 03 Jul 2020 14:23:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Gx3ro+7hYW73BWz9veCWu8rMHewSiF/ZuzOQ8imNba4=; b=elRomxe6h/jBmzyLMRms1Eo1Wmjjplls52Em3UQshvd5ZV7fwFe5+QzTScbvFQJWaU TD5tUxrFaRikuu4NUaX4/K/vcq/caScUom3pqtTdhfmvc/PbjhnWsnI4vPCWdP0ZN1eE 49wom30XEmZgkJGkDiO0wdRXhX8T1E0jsu/MvtRFALXQ7fgp3iBN6OnutICOIceOI/IF ubQW6iog4YqwzZo7SBTH80l44owqsmQzU16t2BS22OAS9HzcPDWSsNZeRkEU+wXWISyi gGVZIh5FDMLS7k3EGp9tD4xDr5gLo50RgGI4YMEBd8o9bkwQ1BeKp/626JCPCE966O2p 8z0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Gx3ro+7hYW73BWz9veCWu8rMHewSiF/ZuzOQ8imNba4=; b=a6t0goq3k4AtbJ5y4NTGVSUT12f++m1dtEMCXUwCXwMxip7IUCeBuCgdHD9OROwWe1 VMDvk6LvkqELIrju4jrm5VUy3SJd9lJwX/tJWurYv4DlzEdzzRkzYUa1J3FccH4tfxU+ yzRsWOr7m7l01byc6HE11aXDNWhP5Q1Qrp70gWf+xqheAPCNdU2fVzyugxOf6L1RLRcF 3wpmpxVc/3A5AdUAV7Z7O+wVYl/j21NuTbNWNNFTgq4ZngUDDtEZ3ub6+bpQxcpM+iyO H7e4jeJsonLjtAMHCvqH2VQst6nWGesj8tY2/BBJnTy7vm/LemIFnixmCScERsJvNWV8 zjZA== X-Gm-Message-State: AOAM532Uk6BEQ37oBK1nluLPqUGPDwSUXp1XJMS/t8j16ylPerCMRwWv oYv8jQo1op6NWwOVUmzPq5OrVA== X-Google-Smtp-Source: ABdhPJwcM+deFPGS0PFDYtDoLUKkJy5L2HHjjmyFwapVXGkF6ri+O5PSIi3EReCFe9Av4KUldXtlxA== X-Received: by 2002:a92:50f:: with SMTP id q15mr20125796ile.38.1593811418307; Fri, 03 Jul 2020 14:23:38 -0700 (PDT) Received: from presto.localdomain (c-73-185-129-58.hsd1.mn.comcast.net. [73.185.129.58]) by smtp.gmail.com with ESMTPSA id m6sm7485292ilb.39.2020.07.03.14.23.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2020 14:23:37 -0700 (PDT) From: Alex Elder To: davem@davemloft.net, kuba@kernel.org Cc: evgreen@chromium.org, subashab@codeaurora.org, cpratapa@codeaurora.org, bjorn.andersson@linaro.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next 0/2] net: ipa: fix HOLB timer register use Date: Fri, 3 Jul 2020 16:23:33 -0500 Message-Id: <20200703212335.465355-1-elder@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The function ipa_reg_init_hol_block_timer_val() generates the value to write into the HOL_BLOCK_TIMER endpoint configuration register, to represent a given timeout value (in microseconds). It only supports a timer value of 0 though, in part because that's sufficient, but mainly because there was some confusion about how the register is formatted in newer hardware. I got clarification about the register format, so this series fixes ipa_reg_init_hol_block_timer_val() to work for any supported delay value. The delay is based on the IPA core clock, so determining the value to write for a given period requires access to the current core clock rate. So the first patch just creates a new function to provide that. -Alex Alex Elder (2): net: ipa: introduce ipa_clock_rate() net: ipa: fix HOLB timer calculation drivers/net/ipa/ipa_clock.c | 6 +++ drivers/net/ipa/ipa_clock.h | 8 ++++ drivers/net/ipa/ipa_endpoint.c | 78 +++++++++++++++++++--------------- 3 files changed, 57 insertions(+), 35 deletions(-) -- 2.25.1