From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Sat, 08 Jan 2022 18:15:57 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1n6FJt-00Ecbs-TP for lore@lore.pengutronix.de; Sat, 08 Jan 2022 18:15:57 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n6FJs-0004Lb-Gq for lore@pengutronix.de; Sat, 08 Jan 2022 18:15:57 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mTIm7WpGVxqcTxrUmAYvXseish83kcmV+pn/A25Gx9M=; b=ui0yiP3sQcFSI0 KsgJaEXqLr/vaAltajIXps1N2lHvl/TKJsWX0p58WPiUKM9sPtbz7m2eumboTMg8ZYSLEPAZraWEI LXdKqpp1VUWrCLuO7HCBZuMJZGof3FHu+qIOpgrHEHESOkRkwx/IOrZ+yeV82W/7q7kJ46NckhCQj xJTeeKXo2iKd7j3fjXUdkKcFFyFWvkx5tSKzoThIS1df/sb6MFmwUbGlfpm4e7MBYUWsCzATIdxri WNTdR+eWKx7YWfa+rh09nit9B20XqVGlnloqXt2uzACdlgylSv9nyesAY4TQK4KsAdwYfkadpHpin HzMr5Ar6Oi0ExwWRYB+Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n6FIa-006jGa-NI; Sat, 08 Jan 2022 17:14:36 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n6FIT-006jEt-O9 for barebox@lists.infradead.org; Sat, 08 Jan 2022 17:14:31 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n6FIS-0003rE-GZ; Sat, 08 Jan 2022 18:14:28 +0100 Received: from afa by dude.hi.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1n6FIS-002SXs-0x; Sat, 08 Jan 2022 18:14:28 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Sat, 8 Jan 2022 18:14:25 +0100 Message-Id: <20220108171426.586330-2-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220108171426.586330-1-a.fatoum@pengutronix.de> References: <20220108171426.586330-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220108_091429_816089_D0176D00 X-CRM114-Status: GOOD ( 11.94 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.8 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 2/3] driver: have CONFIG_DEBUG_PROBES report device unbind as well X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) This aligns it with DEBUG_INITCALLS, which also traces exitcalls. Signed-off-by: Ahmad Fatoum --- common/Kconfig | 10 ++++++++-- drivers/base/driver.c | 4 ++++ 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/common/Kconfig b/common/Kconfig index d0055e2d2182..802bd9bfbb2e 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -1503,9 +1503,15 @@ config DEBUG_INITCALLS If enabled this will print initcall traces. config DEBUG_PROBES - bool "Trace driver probes" + bool "Trace driver probes/removes" help - If enabled this will print driver probe traces. + If enabled this will log driver probe and remove traces. If DEBUG_LL is enabled, + probes will be printed even before registering consoles. If it's disabled, they + will be collected in the log and written out once a console is active. + + Removes are written to the log and will be printed as long as consoles exist. + Most consoles do not implement a remove callback to remain operable until + the very end. Consoles using DMA, however, must be removed. config PBL_BREAK bool "Execute software break on pbl start" diff --git a/drivers/base/driver.c b/drivers/base/driver.c index dd965eb165ee..bb07e96dcaf4 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -502,11 +502,15 @@ EXPORT_SYMBOL_GPL(dev_set_name); static void devices_shutdown(void) { struct device_d *dev; + int depth = 0; list_for_each_entry(dev, &active, active) { if (dev->bus->remove) { + depth++; + pr_report_probe("%*sremove-> %s\n", depth * 4, "", dev_name(dev)); dev->bus->remove(dev); dev->driver = NULL; + depth--; } } } -- 2.30.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox