From patchwork Mon Apr 15 16:04:11 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: 162215 Delivered-To: patch@linaro.org Received: by 2002:a02:c6d8:0:0:0:0:0 with SMTP id r24csp3105973jan; Mon, 15 Apr 2019 09:06:42 -0700 (PDT) X-Google-Smtp-Source: APXvYqz5ogq7oJy4hHU/drbSDksEGo7HrfZZK6Y3LHxbz6mksoJwPA8TIFFSnj0+qwOEnUnrWNKc X-Received: by 2002:a17:902:469:: with SMTP id 96mr75081764ple.46.1555344402121; Mon, 15 Apr 2019 09:06:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555344402; cv=none; d=google.com; s=arc-20160816; b=MmmZtX5KtP2mRf4kII7Q51lCzwBX174M5bk6xm9t8izeQJ+tN6StbR6qLJjqIXyNbq TWaSCKyOyLg19X4/gtJmhUK6EjViX1vUXPZPH7emeAeth4o7nzdAXpGcdMJHsWBIeZ32 dzQsUovm1vxgg7D+7u05+XwkZlRyQ493MXUbAqjsapXz0pfcRWkGYm0rMdBXNET5/lFE sOJxdURnIkm5NtLMkvBGvyjyQG0je9TNYqvRUbuTiZ+/hTtii97xgtb3FfnSgfDrQ0o/ A5yqPBGEtQM3I3a0EQC8k8E75o1e6fq1wW+Bmj3v8hze3xn13JsVWL9mEHZVL1sWuiGh EYzA== 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=CxfKgn5zqd9yiPaZOsyI4sX4t2LNHe9h+XDyYkySIno=; b=CAq4bp8UoTrU4geO48oFSq9WoFgLVvhWrq7fp0pKqlFSmNpSIEFfbvLBYPOfFh2dCn KklUyoUyZKHHivCYxa0ymI2zgm7umraEJka7GSmPSxyAjM86nle24nekkpFsFiAjT9x7 lM4/kXybHqDHx6AmJEg1HNDYw3lvJ0/FDJw26eFgrutjMjbRbn0G2idqy7L1Lyy4AAEb SccgpEmQTYtp24eAUtmMg3P9wbvETOJ1/0k4jnsL4/Sb9wHhwSn3RjMVa0VFgJav0AlH 805Xi10Robj0QhNq61+DFz0JDgRH4ACC1d1ecp5vPMjReWW7s2m0JM8yKCqfmQGTcRv6 i1Ig== 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 b23si43326151pgm.517.2019.04.15.09.06.41; Mon, 15 Apr 2019 09:06:42 -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 S1728098AbfDOQGk (ORCPT + 30 others); Mon, 15 Apr 2019 12:06:40 -0400 Received: from foss.arm.com ([217.140.101.70]:38020 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728070AbfDOQGe (ORCPT ); Mon, 15 Apr 2019 12:06:34 -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 3D6211AC1; Mon, 15 Apr 2019 09:06:34 -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 B73993F68F; Mon, 15 Apr 2019 09:06:32 -0700 (PDT) From: Suzuki K Poulose To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, coresight@lists.linaro.org, mathieu.poirier@linaro.org, mike.leach@linaro.org, rjw@rjwysocki.net, robert.walker@arm.com, Suzuki K Poulose Subject: [PATCH v2 28/36] coresight: platform: Use fwnode handle for device search Date: Mon, 15 Apr 2019 17:04:11 +0100 Message-Id: <1555344260-12375-29-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1555344260-12375-1-git-send-email-suzuki.poulose@arm.com> References: <1555344260-12375-1-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 We match of_node while searching for a device. Make this more generic in preparation for the ACPI support by using fwnode_handle. Cc: Mathieu Poirier Signed-off-by: Suzuki K Poulose --- drivers/hwtracing/coresight/coresight-platform.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) -- 2.7.4 Reviewed-by: Mathieu Poirier diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c index a408b01..318a6ff 100644 --- a/drivers/hwtracing/coresight/coresight-platform.c +++ b/drivers/hwtracing/coresight/coresight-platform.c @@ -36,14 +36,8 @@ static int coresight_alloc_conns(struct device *dev, return 0; } -#ifdef CONFIG_OF -static int of_dev_node_match(struct device *dev, void *data) -{ - return dev->of_node == data; -} - static struct device * -of_coresight_get_endpoint_device(struct device_node *endpoint) +coresight_find_device_by_fwnode(struct fwnode_handle *fwnode) { struct device *dev = NULL; @@ -52,7 +46,7 @@ of_coresight_get_endpoint_device(struct device_node *endpoint) * platform bus. */ dev = bus_find_device(&platform_bus_type, NULL, - endpoint, of_dev_node_match); + fwnode, device_fwnode_match); if (dev) return dev; @@ -61,9 +55,10 @@ of_coresight_get_endpoint_device(struct device_node *endpoint) * looking for the device that matches the endpoint node. */ return bus_find_device(&amba_bustype, NULL, - endpoint, of_dev_node_match); + fwnode, device_fwnode_match); } +#ifdef CONFIG_OF static inline bool of_coresight_legacy_ep_is_input(struct device_node *ep) { return of_property_read_bool(ep, "slave-mode"); @@ -191,6 +186,7 @@ static int of_coresight_parse_endpoint(struct device *dev, struct device_node *rparent = NULL; struct device_node *rep = NULL; struct device *rdev = NULL; + struct fwnode_handle *rdev_fwnode; do { /* Parse the local port details */ @@ -209,8 +205,9 @@ static int of_coresight_parse_endpoint(struct device *dev, if (of_graph_parse_endpoint(rep, &rendpoint)) break; + rdev_fwnode = of_fwnode_handle(rparent); /* If the remote device is not available, defer probing */ - rdev = of_coresight_get_endpoint_device(rparent); + rdev = coresight_find_device_by_fwnode(rdev_fwnode); if (!rdev) { ret = -EPROBE_DEFER; break;