From patchwork Wed Mar 20 18:49:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suzuki K Poulose X-Patchwork-Id: 160723 Delivered-To: patch@linaro.org Received: by 2002:a02:c6d8:0:0:0:0:0 with SMTP id r24csp627015jan; Wed, 20 Mar 2019 11:52:01 -0700 (PDT) X-Google-Smtp-Source: APXvYqz0WVXbqTesQXxHCYkgqTPfPEOCHhr72woawafv2HLhoQaRwYuCfOJVcVamYeaEM54BjXWQ X-Received: by 2002:a17:902:801:: with SMTP id 1mr9274537plk.299.1553107921378; Wed, 20 Mar 2019 11:52:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553107921; cv=none; d=google.com; s=arc-20160816; b=sP+gWJ4i2CPDZyrV5naplg+1McKf9NNXdh+Ykz3h8NJdCwdXQWYcxRM8sYDd9x40rR +eu83PGwN+UHChswT1Y+heO8puMf+BsDGZz8GFUOXdgYr+MwwBZV/5gWHTuGX3Al8byN UAqMiLsIW/5an3jxYn42+rgYUypEucT72Qwji7UFnrw3NU4+jYvzrDnnKY8QzWvuAGjA 6hbbQMMzCU3hWi8D0oVxG7Akq3xXBK9R8eAORg3KC+AwSTklauvxY/Ncu+cxp7rs56cq YfGokZo3Gll+IRtNc4O3pSOOIqvzXNd5d6HP5+TZcS+En+izGhwWQkXGZtFqxXqA45V3 BZFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from; bh=mPztbLJDmPagAmokCBWswRbEbkNpu1zgE6BtPsC5piU=; b=hHqDgTfW1EGIYRZ1VLtqsWhA0K+TVDHXu6LMHCR9ZEanIVFXPWXlWySrc4kFUk6emg AtIG0IaFJgARoUxEwQK28IwiSkbzSHfimdTJXY/BMn6ItK48q5ySnVY2B10H2FSRFqnO TzOQFHyDD5xMY+Xdk3euJKI3gQTj5dGVkX5aGYywD0SW+lCIvaDVLzlsoX1amfohT4b0 FcDT3ydvTnquW2WJ0qtXohfGJ1G/oOaGdMMBhVi/9XwqebxI7tV6ugCVER0/x75PTg9D cUHqUKCshoJqzGfGbRswTcZJLmDwRyHn7ncvNZdact5Ad+SUt1New9b82SeMqCTnSF+N f4dA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h6si818239pfn.13.2019.03.20.11.52.01; Wed, 20 Mar 2019 11:52:01 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727811AbfCTSwA (ORCPT + 31 others); Wed, 20 Mar 2019 14:52:00 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:44896 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727567AbfCTSu1 (ORCPT ); Wed, 20 Mar 2019 14:50:27 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B42FB168F; Wed, 20 Mar 2019 11:50:26 -0700 (PDT) Received: from en101.cambridge.arm.com (en101.cambridge.arm.com [10.1.196.93]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 3A3933F59C; Wed, 20 Mar 2019 11:50:25 -0700 (PDT) From: Suzuki K Poulose To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, coresight@lists.linaro.org, mike.leach@linaro.org, robert.walker@arm.com, Suzuki K Poulose , Mathieu Poirier Subject: [PATCH 10/25] coresight: tpiu: Clean up device specific data Date: Wed, 20 Mar 2019 18:49:27 +0000 Message-Id: <1553107783-3340-11-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1553107783-3340-1-git-send-email-suzuki.poulose@arm.com> References: <1553107783-3340-1-git-send-email-suzuki.poulose@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Switch to using the coresight device instead of the parent amba device. Cc: Mathieu Poirier Signed-off-by: Suzuki K Poulose --- drivers/hwtracing/coresight/coresight-tpiu.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) -- 2.7.4 diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c index b2f72a1..9763721 100644 --- a/drivers/hwtracing/coresight/coresight-tpiu.c +++ b/drivers/hwtracing/coresight/coresight-tpiu.c @@ -48,15 +48,13 @@ /** * @base: memory mapped base address for this component. - * @dev: the device entity associated to this component. + * @dev: the coresight device entity associated to this component. * @atclk: optional clock for the core parts of the TPIU. - * @csdev: component vitals needed by the framework. */ struct tpiu_drvdata { void __iomem *base; struct device *dev; struct clk *atclk; - struct coresight_device *csdev; }; static void tpiu_enable_hw(struct tpiu_drvdata *drvdata) @@ -121,6 +119,7 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id) struct tpiu_drvdata *drvdata; struct resource *res = &adev->res; struct coresight_desc desc = { 0 }; + struct coresight_device *csdev; struct device_node *np = adev->dev.of_node; if (np) { @@ -134,7 +133,6 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id) if (!drvdata) return -ENOMEM; - drvdata->dev = &adev->dev; drvdata->atclk = devm_clk_get(&adev->dev, "atclk"); /* optional */ if (!IS_ERR(drvdata->atclk)) { ret = clk_prepare_enable(drvdata->atclk); @@ -160,9 +158,11 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id) desc.ops = &tpiu_cs_ops; desc.pdata = pdata; desc.dev = dev; - drvdata->csdev = coresight_register(&desc); + csdev = coresight_register(&desc); + if (!IS_ERR(csdev)) + drvdata->dev = &csdev->dev; - return PTR_ERR_OR_ZERO(drvdata->csdev); + return PTR_ERR_OR_ZERO(csdev); } #ifdef CONFIG_PM