From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 04 Apr 2024 13:16:10 +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 1rsL4k-009W5l-33 for lore@lore.pengutronix.de; Thu, 04 Apr 2024 13:16:10 +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 1rsL4k-0002wX-CQ for lore@pengutronix.de; Thu, 04 Apr 2024 13:16:10 +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:To:From:Reply-To:Cc: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=gbsgqQIgP/kLpUllANqP6jXUu3+sbdq9AHbN4q0/wDo=; b=tUQWzVuHAnSolhKpfF3pxeB9S8 dc825iUnwvH6vUGVret35m8rJjRwqoiv53r9HAUc4Hei1yYwumWKjZOjckRGVTx9F5d2vEuYa/mur 2KZUfHbFe6f7WMPPHP6zmqQZMbSnNPtBpWxpStIddFsDncxKqeHqsdwqB1lpoEXPTS253dZH1Si/S qTtPhu3N8J/DtoPaCv83cs8JerwFdKTgcD1KPDRw5wallsigAofXMfAL9bdt1rIVJTm0XNrGZQN2G tP9rHkCdvli+qw0XP43fi1oGza44b4FDxxlKEE5xqp0uqxmCUbYrp92LsVNRUOe5XbeqMpcfKj+wO cxKhaL/g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rsL4J-00000002LOr-44Tm; Thu, 04 Apr 2024 11:15:43 +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 1rsL4G-00000002LNW-1ikr for barebox@lists.infradead.org; Thu, 04 Apr 2024 11:15:41 +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 1rsL4F-0002Oj-3X; Thu, 04 Apr 2024 13:15:39 +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 1rsL4E-00AMOB-MF; Thu, 04 Apr 2024 13:15:38 +0200 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1rsL4E-008kbY-1h; Thu, 04 Apr 2024 13:15:38 +0200 From: Sascha Hauer To: Barebox List Date: Thu, 4 Apr 2024 13:15:26 +0200 Message-Id: <20240404111527.2083308-1-s.hauer@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-20240404_041540_467799_F9F2CD6A X-CRM114-Status: GOOD ( 10.75 ) 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=-5.0 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 v2 1/2] aiodev: add helper for getting a value by its channel name 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) It's a common pattern to get an aiochannel by name and the value afterwards. Add a helper for this pattern. Signed-off-by: Sascha Hauer --- drivers/aiodev/core.c | 12 ++++++++++++ include/aiodev.h | 9 +++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/aiodev/core.c b/drivers/aiodev/core.c index 1fbb7b9188..5bdc4d83d4 100644 --- a/drivers/aiodev/core.c +++ b/drivers/aiodev/core.c @@ -73,6 +73,18 @@ int aiochannel_get_value(struct aiochannel *aiochan, int *value) } EXPORT_SYMBOL(aiochannel_get_value); +int aiochannel_name_get_value(const char *chname, int *value) +{ + struct aiochannel *aio; + + aio = aiochannel_by_name(chname); + if (IS_ERR(aio)) + return PTR_ERR(aio); + + return aiochannel_get_value(aio, value); +} +EXPORT_SYMBOL(aiochannel_name_get_value); + int aiochannel_get_index(struct aiochannel *aiochan) { return aiochan->index; diff --git a/include/aiodev.h b/include/aiodev.h index 56bd2da9f5..fb0807ad42 100644 --- a/include/aiodev.h +++ b/include/aiodev.h @@ -47,4 +47,13 @@ static inline const char *aiochannel_get_unit(struct aiochannel *aiochan) extern struct list_head aiodevices; #define for_each_aiodevice(aiodevice) list_for_each_entry(aiodevice, &aiodevices, list) +#ifdef CONFIG_AIODEV +int aiochannel_name_get_value(const char *chname, int *value); +#else +static inline int aiochannel_name_get_value(const char *chname, int *value) +{ + return -EOPNOTSUPP; +} +#endif + #endif -- 2.39.2