From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 20 Sep 2023 12:34:50 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) 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 1qiuXj-004Wo9-2D for lore@lore.pengutronix.de; Wed, 20 Sep 2023 12:34:50 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qiuXh-00059g-0G for lore@pengutronix.de; Wed, 20 Sep 2023 12:34:49 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CP94QNMcXrQv5lu9InXiPArONsU5TWgYOyUPvM/0H6s=; b=xwHjMm8MQZFTvIWI7FqBvLKK63 uJRm0NH5wufrRdJYivY65oQ89ZZsDhbra+xgJv0obbYl1ON2vtc09sPdmZU6+DRmo8RQ8uX2tXQW+ 4QFBzIxf0EbB+hUhRQ2SmSN6WnTbL9pCKOARpC+IeZdfr+RHUMTWwJKnOFLuOPDf8UQTwve+GMRuI j058TOpB/8XR6khJtxgams4KkRiDIGRrt7ia9zy8Zf/ztspq+W5VoC9d8JyRbLdrz82qLkso80ON8 WTk30JZINtSxFfD/8y7UGG8/oF3k5eDmcxuiLGebMZGk2nihtdoAKL8qIk71wW4PTs5TB15kJbyqW uPbIn3vw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qiuWM-002cwM-2q; Wed, 20 Sep 2023 10:33:26 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qiuWG-002csu-2Y for barebox@lists.infradead.org; Wed, 20 Sep 2023 10:33:23 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qiuWE-0004Ut-96; Wed, 20 Sep 2023 12:33:18 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qiuWD-007fJx-Pz; Wed, 20 Sep 2023 12:33:17 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qiuWD-00BZyZ-HW; Wed, 20 Sep 2023 12:33:17 +0200 From: Sascha Hauer To: Barebox List Date: Wed, 20 Sep 2023 12:33:16 +0200 Message-Id: <20230920103316.2758383-12-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230920103316.2758383-1-s.hauer@pengutronix.de> References: <20230920103316.2758383-1-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230920_033320_833243_57570EBB X-CRM114-Status: GOOD ( 12.95 ) 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: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 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 11/11] regulator: print regulator tree X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Regulators have a tree structure, so print them as a tree to show the users their dependencies. Signed-off-by: Sascha Hauer --- drivers/regulator/core.c | 30 +++++++++++++++++++++--------- 1 file changed, 21 insertions(+), 9 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 7fe264a133..a861d14cd2 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -15,6 +15,7 @@ static LIST_HEAD(regulator_list); struct regulator { struct regulator_dev *rdev; + struct regulator_dev *rdev_consumer; struct list_head list; struct device *dev; }; @@ -183,7 +184,11 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) return 0; } + if (supply) + supply->rdev_consumer = rdev; + rdev->supply = supply; + return 0; } @@ -716,17 +721,22 @@ int regulator_get_voltage(struct regulator *regulator) } EXPORT_SYMBOL_GPL(regulator_get_voltage); -static void regulator_print_one(struct regulator_dev *rdev) +static void regulator_print_one(struct regulator_dev *rdev, int level) { struct regulator *r; - printf("%-20s %6d %10d %10d\n", rdev->name, rdev->enable_count, rdev->min_uv, rdev->max_uv); + if (!rdev) + return; - if (!list_empty(&rdev->consumer_list)) { - printf(" consumers:\n"); + printf("%*s%-*s %6d %10d %10d\n", level * 3, "", + 30 - level * 3, + rdev->name, rdev->enable_count, rdev->min_uv, rdev->max_uv); - list_for_each_entry(r, &rdev->consumer_list, list) - printf(" %s\n", r->dev ? dev_name(r->dev) : "none"); + list_for_each_entry(r, &rdev->consumer_list, list) { + if (r->rdev_consumer) + regulator_print_one(r->rdev_consumer, level + 1); + else + printf("%*s%s\n", (level + 1) * 3, "", r->dev ? dev_name(r->dev) : "none"); } } @@ -737,7 +747,9 @@ void regulators_print(void) { struct regulator_dev *rdev; - printf("%-20s %6s %10s %10s\n", "name", "enable", "min_uv", "max_uv"); - list_for_each_entry(rdev, ®ulator_list, list) - regulator_print_one(rdev); + printf("%-30s %6s %10s %10s\n", "name", "enable", "min_uv", "max_uv"); + list_for_each_entry(rdev, ®ulator_list, list) { + if (!rdev->supply) + regulator_print_one(rdev, 0); + } } -- 2.39.2