From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 15 Apr 2024 07:29:23 +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 4.96) (envelope-from ) id 1rwEuB-001Z69-08 for lore@lore.pengutronix.de; Mon, 15 Apr 2024 07:29:23 +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 1rwEuA-0008JL-GT for lore@pengutronix.de; Mon, 15 Apr 2024 07:29:22 +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:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=hVwAsPsEM9OrLHrK/Pd4umJs9klHAts4+aA2RZuFxbQ=; b=YIGWqQj2L7Vw4lAyLwaA/r0a3B Llzefsv7FPxIBscuUwbvusnodzTh/38Z/SuSh/VzWIuE88ynRlqxFur8XsqzFhac39zjvYa40KP9k 0rpeeZ6+GsO/uXt/BGbWmXAYyXCKnUQVe12bNegkrp2EKHc7T2sMkcwtT8fLIug9N1e7E1wXo8E6o hWZaGFS7YVnE8bjV9Uxesw/rjSmVLdOMuPz8JCkv7O/d7Onty8nr7jmN4zcMzQ5Zf/+1FoqIlqYYB KYHmp6IGW7KZN7yr+otF9ZpwliEDE3gJND4phaJP/fEiBdeyyIIen6Mh3Mdhvo8oSgdSX/b1AB6mQ BMKfiwuw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rwEtk-000000070Px-3ebm; Mon, 15 Apr 2024 05:28:56 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rwEth-000000070Oi-34Px for barebox@lists.infradead.org; Mon, 15 Apr 2024 05:28:55 +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 1rwEtg-0007mJ-HP; Mon, 15 Apr 2024 07:28:52 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.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 1rwEtg-00CMjT-5C; Mon, 15 Apr 2024 07:28:52 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1rwEtg-001XRx-0F; Mon, 15 Apr 2024 07:28:52 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 15 Apr 2024 07:28:50 +0200 Message-Id: <20240415052850.366859-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240414_222854_002727_6DF9D037 X-CRM114-Status: GOOD ( 10.15 ) 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=-6.1 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] gpiolib: implement gpiod_slice_acquired 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) For use by poller code that makes use of GPIO descriptors instead of the unstable indices, add a gpiod variant of the existing gpiod_slice_acquird. Signed-off-by: Ahmad Fatoum --- drivers/gpio/gpiolib.c | 11 ++++++++--- include/linux/gpio/consumer.h | 2 ++ 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 5bc261a0105c..a70e13eafca2 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -172,16 +172,21 @@ int gpio_request(unsigned gpio, const char *label) return gpiodesc_request(desc, label); } -bool gpio_slice_acquired(unsigned gpio) +bool gpiod_slice_acquired(struct gpio_desc *desc) { - struct gpio_desc *desc = gpio_to_desc(gpio); - if (!desc) return false; return slice_acquired(&desc->chip->slice); } +bool gpio_slice_acquired(unsigned gpio) +{ + struct gpio_desc *desc = gpio_to_desc(gpio); + + return gpiod_slice_acquired(desc); +} + static void gpiodesc_free(struct gpio_desc *desc) { if (!desc->requested) diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index 531ed1472546..e04f516b3155 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -45,6 +45,8 @@ struct gpio_descs { DECLARE_FLEX_ARRAY(struct gpio_desc *, desc); }; +bool gpiod_slice_acquired(struct gpio_desc *); + #if defined(CONFIG_OFDEVICE) && defined(CONFIG_GPIOLIB) /* returned gpio descriptor can be passed to any normal gpio_* function */ -- 2.39.2