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=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 3EAB4C433E2 for ; Fri, 3 Jul 2020 21:23:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D07B20782 for ; Fri, 3 Jul 2020 21:23:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="SFF7Iduq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727042AbgGCVXo (ORCPT ); Fri, 3 Jul 2020 17:23:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727011AbgGCVXk (ORCPT ); Fri, 3 Jul 2020 17:23:40 -0400 Received: from mail-il1-x142.google.com (mail-il1-x142.google.com [IPv6:2607:f8b0:4864:20::142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0CCFC08C5DD for ; Fri, 3 Jul 2020 14:23:39 -0700 (PDT) Received: by mail-il1-x142.google.com with SMTP id a6so11549056ilq.13 for ; Fri, 03 Jul 2020 14:23:39 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=GOZruoDFDXv5kLGp9J9FoBUytV2ZuP8UVxYNd0ERIPw=; b=SFF7IduqK8G6MhS5t5x3A4loCCSNpXlU/vcFEq44zuOhsuUIuL9X3xebW5rn37ffhK vReqYlp/FW149sVy2BhJUkAuTw9y1wGoVmsdpv/eqHR/iu7GmOr4D3gy8Y6TLmYi1K/T MuwR3Qtgm63pdp5TN2QJN5i7Z/4Cm+vq2+BPEW2UlO8xL5odTRCvfsjTtySnYh50RTwk 1dCSOUA5jVUDHSNZrAxnspSMXOlUr1G+Qf7IKjPVrAa57hHGJ+I6qps+0H3OUWO68ZPY oNwr1AJLa58H609yScK+jSqGsRmWZbtjJFeipgUJExrrp+DIH+vUhVIGqSLPmvmH+dv0 qnSA== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=GOZruoDFDXv5kLGp9J9FoBUytV2ZuP8UVxYNd0ERIPw=; b=ZZkXR7ayatYxsDIS1zKM/XvEwScv9BDkWFHb6ps7NoChmJ0+jt6HdLDXnwHQt9zoZz aVjlwImNaoynhy93PD0lWtCZRrblgN4ubG5yXe8OjzvkfSJY4Td1dDJjtsX7T7MmuRlp 3+S3ltBYaDmT9Osb2vef3fpR6XTK2zWIqKagr/kiMhMSjstpju8GsYIYs7ZreAc47Hq/ K1qTLC1yrd7VWLJj6HMd1XILDMkS5Uq0mwQjhtU5t4kloOWuAve4dQCGtqkbnJ0fc+Xf IJQmhhk2lNbtaOTPceMEh9/tDXIm795XDR2M4Uqw83qI8znoO0fmWoFdse2KvMX+esmq VbdQ== X-Gm-Message-State: AOAM5317ipuFcyNoAMBstiET0u0/FnILsemRTYfR3vSYSGJAydV3CWH0 qnjqI6poxXYyeoBW2tihVhCXuA== X-Google-Smtp-Source: ABdhPJzd2ewsFruwmxIfzsQDQR1WJ6igBFAXPgq3+XijH73+x/sX+9JIniWbRhBLw7MHTREUQRVdjg== X-Received: by 2002:a92:c530:: with SMTP id m16mr20147548ili.300.1593811419265; Fri, 03 Jul 2020 14:23:39 -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.39.2020.07.03.14.23.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2020 14:23:38 -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 1/2] net: ipa: introduce ipa_clock_rate() Date: Fri, 3 Jul 2020 16:23:34 -0500 Message-Id: <20200703212335.465355-2-elder@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200703212335.465355-1-elder@linaro.org> References: <20200703212335.465355-1-elder@linaro.org> 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 Create a new function that returns the current rate of the IPA core clock. Signed-off-by: Alex Elder --- drivers/net/ipa/ipa_clock.c | 6 ++++++ drivers/net/ipa/ipa_clock.h | 8 ++++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/net/ipa/ipa_clock.c b/drivers/net/ipa/ipa_clock.c index c5204fd58ac4..0fbc8b1bdf41 100644 --- a/drivers/net/ipa/ipa_clock.c +++ b/drivers/net/ipa/ipa_clock.c @@ -256,6 +256,12 @@ void ipa_clock_put(struct ipa *ipa) mutex_unlock(&clock->mutex); } +/* Return the current IPA core clock rate */ +u32 ipa_clock_rate(struct ipa *ipa) +{ + return ipa->clock ? (u32)clk_get_rate(ipa->clock->core) : 0; +} + /* Initialize IPA clocking */ struct ipa_clock *ipa_clock_init(struct device *dev) { diff --git a/drivers/net/ipa/ipa_clock.h b/drivers/net/ipa/ipa_clock.h index bc52b35e6bb2..0f4e2877a6df 100644 --- a/drivers/net/ipa/ipa_clock.h +++ b/drivers/net/ipa/ipa_clock.h @@ -10,6 +10,14 @@ struct device; struct ipa; +/** + * ipa_clock_rate() - Return the current IPA core clock rate + * @ipa: IPA structure + * + * Return: The current clock rate (in Hz), or 0. + */ +u32 ipa_clock_rate(struct ipa *ipa); + /** * ipa_clock_init() - Initialize IPA clocking * @dev: IPA device -- 2.25.1