From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 05 Aug 2022 15:02:15 +0200 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 1oJwxx-00CWlZ-2N for lore@lore.pengutronix.de; Fri, 05 Aug 2022 15:02:15 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oJwxx-0006Z7-OC for lore@pengutronix.de; Fri, 05 Aug 2022 15:02:14 +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:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=4qePHBxN2sWAwvHr/PN8DjLHVOLn/MvooSCrU/hFTNY=; b=tAzR6L67lMWp/0OkpIR2faw6SC 2CMq4lOR0vYJJWTpKfnewmV3ayiKdXa5/tuHKUnZx4Q/xY7oGFtO9sEQvZWVe+hFdRYbo3VOgjkt8 b57SZ/0HEj3KPmgnqd4cQ0hTa+a2+yKHMCysxDeqnKu4DLhSgQBUU9gOxjncoqjOjJ8/mutBcCcqh CF6ccjs93LUjNug8kstGg7a8e8cwOkwkxs2OKg4FNjw4/uMbqvklJG0iZZyRaCcU10qsxQrA9nYb8 68axudkxmt4lPLoJ3VMueWUCCONplH2jOis9bE7O6rdVXDaqMj/ho4CJ72tZP2QwqMfdZXRMd4xyJ EXT/DokA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oJwwO-00FEEl-7s; Fri, 05 Aug 2022 13:00:36 +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 1oJwvV-00FDUx-LL for barebox@lists.infradead.org; Fri, 05 Aug 2022 12:59:43 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oJwvS-0005xX-8o; Fri, 05 Aug 2022 14:59:38 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1oJwvP-001thW-9r; Fri, 05 Aug 2022 14:59:37 +0200 Received: from afa by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1oJwvQ-0055NU-T8; Fri, 05 Aug 2022 14:59:36 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Fri, 5 Aug 2022 14:59:30 +0200 Message-Id: <20220805125931.1212228-2-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220805125931.1212228-1-a.fatoum@pengutronix.de> References: <20220805125931.1212228-1-a.fatoum@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-20220805_055941_771206_B70EDAA7 X-CRM114-Status: UNSURE ( 8.19 ) X-CRM114-Notice: Please train this message. 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.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 2/3] reset: implement reset_control_get_optional() 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) Make porting kernel code easier by providing a compatible reset_control_get_optional() function. Signed-off-by: Ahmad Fatoum --- include/linux/reset.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/reset.h b/include/linux/reset.h index d0677b1d9f63..91e9cdfb3279 100644 --- a/include/linux/reset.h +++ b/include/linux/reset.h @@ -73,4 +73,10 @@ static inline int device_reset_all(struct device_d *dev) #endif /* CONFIG_RESET_CONTROLLER */ +static inline struct reset_control *reset_control_get_optional(struct device_d *dev, const char *id) +{ + struct reset_control *rstc = reset_control_get(dev, id); + return rstc == ERR_PTR(-ENOENT) ? NULL : rstc; +} + #endif -- 2.30.2