Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754001AbaKDNiG (ORCPT ); Tue, 4 Nov 2014 08:38:06 -0500 Received: from mail-wg0-f53.google.com ([74.125.82.53]:63281 "EHLO mail-wg0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753255AbaKDNiC (ORCPT ); Tue, 4 Nov 2014 08:38:02 -0500 From: Grant Likely To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Grant Likely Subject: [PATCH 1/2] of/unittest: Remove test devices after adding them Date: Tue, 4 Nov 2014 13:37:52 +0000 Message-Id: <1415108273-4536-1-git-send-email-grant.likely@linaro.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The of_platform_populate() test cases don't remove the test devices after they are added. Fix this by adding tests for of_platform_depopulate(). At the same time rework the selftest() macro to return the test result value. This makes it easy to use the macro inside an if() condition. Signed-off-by: Grant Likely --- drivers/of/selftest.c | 39 ++++++++++++++++++++++++++++----------- 1 file changed, 28 insertions(+), 11 deletions(-) diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c index bf7d99317a94..082bb2b6a5ad 100644 --- a/drivers/of/selftest.c +++ b/drivers/of/selftest.c @@ -30,15 +30,17 @@ static struct device_node *nodes[NO_OF_NODES]; static int last_node_index; static bool selftest_live_tree; -#define selftest(result, fmt, ...) { \ - if (!(result)) { \ +#define selftest(result, fmt, ...) ({ \ + bool failed = !(result); \ + if (failed) { \ selftest_results.failed++; \ pr_err("FAIL %s():%i " fmt, __func__, __LINE__, ##__VA_ARGS__); \ } else { \ selftest_results.passed++; \ pr_debug("pass %s():%i\n", __func__, __LINE__); \ } \ -} + failed; \ +}) static void __init of_selftest_find_node_by_name(void) { @@ -694,10 +696,13 @@ static void __init of_selftest_match_node(void) } } +struct device test_bus = { + .init_name = "unittest-bus", +}; static void __init of_selftest_platform_populate(void) { - int irq; - struct device_node *np, *child; + int irq, rc; + struct device_node *np, *child, *grandchild; struct platform_device *pdev; struct of_device_id match[] = { { .compatible = "test-device", }, @@ -722,20 +727,32 @@ static void __init of_selftest_platform_populate(void) irq = platform_get_irq(pdev, 0); selftest(irq < 0 && irq != -EPROBE_DEFER, "device parsing error failed - %d\n", irq); - np = of_find_node_by_path("/testcase-data/platform-tests"); - if (!np) { - pr_err("No testcase data in device tree\n"); + if (selftest(np = of_find_node_by_path("/testcase-data/platform-tests"), + "No testcase data in device tree\n")); + return; + + if (selftest(!(rc = device_register(&test_bus)), + "testbus registration failed; rc=%i\n", rc)); return; - } for_each_child_of_node(np, child) { - struct device_node *grandchild; - of_platform_populate(child, match, NULL, NULL); + of_platform_populate(child, match, NULL, &test_bus); for_each_child_of_node(child, grandchild) selftest(of_find_device_by_node(grandchild), "Could not create device for node '%s'\n", grandchild->name); } + + of_platform_depopulate(&test_bus); + for_each_child_of_node(np, child) { + for_each_child_of_node(child, grandchild) + selftest(!of_find_device_by_node(grandchild), + "device didn't get destroyed '%s'\n", + grandchild->name); + } + + device_unregister(&test_bus); + of_node_put(np); } /** -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/