From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 13 Sep 2023 14:09:22 +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 1qgOgN-00Djyv-MW for lore@lore.pengutronix.de; Wed, 13 Sep 2023 14:09:22 +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 1qgOgL-0001Ea-Lj for lore@pengutronix.de; Wed, 13 Sep 2023 14:09:22 +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: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=UOJ3WsFXO46YyJLYcfyW114y1qOtMTvHZJMr8qtZoE0=; b=R4Ylb3WKVxuC36p60But9xE7GO BAb0ZBctuLQT3vxwslvrl9sp8uBBut63H4PgR0hLB4Dzz+iM+QJ6jqKezJG1cBKdq5QFoJxFZ2wxB O26Pz2PggxGFq6hzLHGn8/ZBW112Sf15MelDmizV+EKCPjJOq/UNAODeW1nEcWDDohrRWZ728OlVm Avc/KQKPSobMgpDvCRr7Eh48awgJ8PzOIpuJNG+imzpRXJjhhfKhFvSE1BajJGH9o8iImlPpSES6T bNFrAV6GAjwueJeMrJHmn7pcBq/XeYtAklaC2N+g4BWDKqUgHU1e34ulPFEUMKNLLRdShfzwIyTNg Sw4NyaUw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qgOfM-005oaS-1r; Wed, 13 Sep 2023 12:08:20 +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 1qgOfI-005oZY-0B for barebox@lists.infradead.org; Wed, 13 Sep 2023 12:08:17 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1qgOfG-0000zr-Q4; Wed, 13 Sep 2023 14:08:14 +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 1qgOfG-0063bY-6w; Wed, 13 Sep 2023 14:08:14 +0200 Received: from afa by dude05.red.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1qgOfG-007qPb-0X; Wed, 13 Sep 2023 14:08:14 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Wed, 13 Sep 2023 14:08:06 +0200 Message-Id: <20230913120807.1869600-2-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230913120807.1869600-1-a.fatoum@pengutronix.de> References: <20230913120807.1869600-1-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-20230913_050816_112790_C5E71977 X-CRM114-Status: UNSURE ( 9.94 ) 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.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 1/2] clk: implement clk_get_enabled helper 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) Kernel code increasingly uses devm_clk_get_enabled to make driver code more compact. Port a devres-less version to barebox to make porting such Linux code easier. Signed-off-by: Ahmad Fatoum --- include/linux/clk.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/include/linux/clk.h b/include/linux/clk.h index 82022e78e39d..398427eca676 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -951,4 +951,33 @@ static inline struct clk *clk_get_optional(struct device *dev, const char *id) return clk; } +/** + * clk_get_enabled - clk_get() + clk_prepare_enable() + * @dev: device for clock "consumer" + * @id: clock consumer ID + * + * Return: a struct clk corresponding to the clock producer, or + * valid IS_ERR() condition containing errno. The implementation + * uses @dev and @id to determine the clock consumer, and thereby + * the clock producer. (IOW, @id may be identical strings, but + * clk_get may return different clock producers depending on @dev.) + * + * The returned clk (if valid) is enabled. + */ +static inline struct clk *clk_get_enabled(struct device *dev, const char *id) +{ + struct clk *clk; + int ret; + + clk = clk_get(dev, id); + if (IS_ERR(clk)) + return clk; + + ret = clk_enable(clk); + if (ret) + return ERR_PTR(ret); + + return clk; +} + #endif -- 2.39.2