From patchwork Tue Jan 24 18:37:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13114711 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C1A91C54EB4 for ; Tue, 24 Jan 2023 19:46:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=X1kgr0/kqMmoZJld8h6bMIZoD5vGMl0+5MFiH9wt+AQ=; b=nBGNRN78wwnQ2O sAzRqfRwzjErZbfclkbpUoWNLbykox5VX1Ttk1pJJ6SDJKOanZ0P5+mexCmb9fQyWH3YwSD9LJxa0 R0sd4FV7wE+uwgQIV6uQH3s+Ab20RjtxVaylZyyI82oCsVwmvKbBaINVabofa3ivqUQTspP7mIAIX hYTDlEEbCvdriDabWaKB6LQ7DL0b9JjgIadQwQU87b1nHM9d8jRJEIbBSQ1WDpKOpOCUCSbJC5Syv AzDO489qgmCQfbHZYDE9779XrUqBFVtq1boMlJOB8Ki8xdxQ4qn56gRio+eoJiPUbLxI8zj0isYQb owi31zD8l/xBBzzQtgQQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pKPEk-0053hs-0l; Tue, 24 Jan 2023 19:45:42 +0000 Received: from albert.telenet-ops.be ([2a02:1800:110:4::f00:1a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pKOBD-004xj5-LX for linux-arm-kernel@lists.infradead.org; Tue, 24 Jan 2023 18:38:02 +0000 Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed50:2f4a:8573:c294:b2ce]) by albert.telenet-ops.be with bizsmtp id CidZ2900356uRqi06idZVY; Tue, 24 Jan 2023 19:37:55 +0100 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1pKOAe-007HCO-Ho; Tue, 24 Jan 2023 19:37:33 +0100 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1pKOAn-002n0c-1h; Tue, 24 Jan 2023 19:37:33 +0100 From: Geert Uytterhoeven To: Vinod Koul , Jonathan Corbet , Madalin Bucur , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Horatiu Vultur , UNGLinuxDriver@microchip.com, Thierry Reding , Lorenzo Pieralisi , Rob Herring , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas , Jonathan Hunter , Kishon Vijay Abraham I , Alan Stern , Greg Kroah-Hartman , Krzysztof Kozlowski , Alim Akhtar , Siddharth Vadapalli , Russell King Cc: linux-phy@lists.infradead.org, linux-doc@vger.kernel.org, netdev@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pci@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v2 2/9] doc: phy: Document devm_of_phy_get() Date: Tue, 24 Jan 2023 19:37:21 +0100 Message-Id: <768d5845668f081620098a0b4479d1481e212bac.1674584626.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230124_103759_918147_68BACC02 X-CRM114-Status: GOOD ( 14.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the missing documentation for devm_of_phy_get(), which was forgotten when the function was introduced. Signed-off-by: Geert Uytterhoeven --- v2: - New. --- Documentation/driver-api/phy/phy.rst | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/Documentation/driver-api/phy/phy.rst b/Documentation/driver-api/phy/phy.rst index 26467dd4f291505e..6cadc58f4ce07ce4 100644 --- a/Documentation/driver-api/phy/phy.rst +++ b/Documentation/driver-api/phy/phy.rst @@ -106,6 +106,8 @@ it. This framework provides the following APIs to get a reference to the PHY. struct phy *devm_phy_get(struct device *dev, const char *string); struct phy *devm_phy_optional_get(struct device *dev, const char *string); + struct phy *devm_of_phy_get(struct device *dev, struct device_node *np, + const char *con_id); struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np, int index); @@ -119,10 +121,10 @@ successful PHY get. On driver detach, release function is invoked on the devres data and devres data is freed. devm_phy_optional_get should be used when the phy is optional. This function will never return -ENODEV, but instead returns NULL when -the phy cannot be found.Some generic drivers, such as ehci, may use multiple -phys and for such drivers referencing phy(s) by name(s) does not make sense. In -this case, devm_of_phy_get_by_index can be used to get a phy reference based on -the index. +the phy cannot be found. +Some generic drivers, such as ehci, may use multiple phys. In this case, +devm_of_phy_get or devm_of_phy_get_by_index can be used to get a phy +reference based on name or index. It should be noted that NULL is a valid phy reference. All phy consumer calls on the NULL phy become NOPs. That is the release calls,