From patchwork Tue Aug 4 09:23:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Pargmann X-Patchwork-Id: 6935711 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 060AEC05AD for ; Tue, 4 Aug 2015 09:26:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3ADF3205E3 for ; Tue, 4 Aug 2015 09:26:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BCC8B205CB for ; Tue, 4 Aug 2015 09:26:08 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZMYSD-0005G6-6w; Tue, 04 Aug 2015 09:24:13 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZMYS5-0005AZ-Gw for linux-arm-kernel@lists.infradead.org; Tue, 04 Aug 2015 09:24:06 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1ZMWaU-0007NC-Ak; Tue, 04 Aug 2015 09:24:38 +0200 Received: from mpa by dude.hi.pengutronix.de with local (Exim 4.86_RC4) (envelope-from ) id 1ZMYRZ-0007ML-Mw; Tue, 04 Aug 2015 11:23:33 +0200 From: Markus Pargmann To: Linus Walleij Subject: [PATCH 6/6] gpiolib: Add gpio name information to /sys/kernel/debug/gpio Date: Tue, 4 Aug 2015 11:23:23 +0200 Message-Id: <1438680203-13432-7-git-send-email-mpa@pengutronix.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1438680203-13432-1-git-send-email-mpa@pengutronix.de> References: <1438680203-13432-1-git-send-email-mpa@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: mpa@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150804_022405_749000_EE9C64E9 X-CRM114-Status: GOOD ( 11.19 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexandre Courbot , Arun Bharadwaj , Johan Hovold , linux-gpio@vger.kernel.org, kernel@pengutronix.de, =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Markus Pargmann , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add some information about gpio names to the debugfs gpio file. name and label of a GPIO are then displayed next to each other. This way it is easy to see what the real name of GPIO is and what the driver requested it for. Signed-off-by: Markus Pargmann --- drivers/gpio/gpiolib.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index edfeb0485112..926a1507431f 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2307,14 +2307,19 @@ static void gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip) int is_irq; for (i = 0; i < chip->ngpio; i++, gpio++, gdesc++) { - if (!test_bit(FLAG_REQUESTED, &gdesc->flags)) + if (!test_bit(FLAG_REQUESTED, &gdesc->flags)) { + if (gdesc->name) { + seq_printf(s, " gpio-%-3d (%-20.20s)\n", + gpio, gdesc->name); + } continue; + } gpiod_get_direction(gdesc); is_out = test_bit(FLAG_IS_OUT, &gdesc->flags); is_irq = test_bit(FLAG_USED_AS_IRQ, &gdesc->flags); - seq_printf(s, " gpio-%-3d (%-20.20s) %s %s %s", - gpio, gdesc->label, + seq_printf(s, " gpio-%-3d (%-20.20s|%-20.20s) %s %s %s", + gpio, gdesc->name ? gdesc->name : "", gdesc->label, is_out ? "out" : "in ", chip->get ? (chip->get(chip, i) ? "hi" : "lo")