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[87.10.253.138]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-429c75044a8sm7987485e9.9.2024.08.09.16.02.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Aug 2024 16:02:29 -0700 (PDT) From: Christian Marangi To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Joern Engel , Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Saravana Kannan , Christian Marangi , Thomas Bogendoerfer , Wolfram Sang , Florian Fainelli , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org Subject: [PATCH v4 2/7] nvme: assign of_node to nvme device Date: Fri, 9 Aug 2024 19:21:00 +0200 Message-ID: <20240809172106.25892-3-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240809172106.25892-1-ansuelsmth@gmail.com> References: <20240809172106.25892-1-ansuelsmth@gmail.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Introduce support for a dedicated node for a nvme card. This will be a subnode of the nvme controller node that will have the "nvme-card" compatible. This follow a similar implementation done for mmc where the specific mmc card have a dedicated of_node. This can be used for scenario where block2mtd module is used to declare partition in DT and block2mtd is called on the root block of the nvme card, permitting the usage of fixed-partition parser or alternative ones. Signed-off-by: Christian Marangi --- drivers/nvme/host/core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 053d5b4909cd..344523274d1b 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -4651,6 +4652,7 @@ void nvme_uninit_ctrl(struct nvme_ctrl *ctrl) nvme_hwmon_exit(ctrl); nvme_fault_inject_fini(&ctrl->fault_inject); dev_pm_qos_hide_latency_tolerance(ctrl->device); + of_node_put(ctrl->device->of_node); cdev_device_del(&ctrl->cdev, ctrl->device); nvme_put_ctrl(ctrl); } @@ -4771,6 +4773,8 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, else ctrl->device->groups = nvme_dev_attr_groups; ctrl->device->release = nvme_free_ctrl; + ctrl->device->of_node = of_get_compatible_child(ctrl->dev->of_node, + "nvme-card"); dev_set_drvdata(ctrl->device, ctrl); return ret; -- 2.45.2 From mboxrd@z Thu Jan 1 00:00:00 1970 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 5BB04C531DA for ; Fri, 9 Aug 2024 23:02:42 +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:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pQNjTwW+MOpp9C5Q/MHr5cvRe4inORamchhN1WnnaDA=; b=ZTHhJKHv/BN2dp +qgu9kHP7/I+ft0dwYnInq8H9gkUDDvc7CSlzvoAxnfRVJWaEbhFuYqYJlfX+fvVr4rfT4FCciKpK uaOiwqs8yhMQ6bMlAn0eVlMQWI765hCpWTud3fKK5oXIgZf/m1EaXoGWL53cRk0z59Avat3IzXTZs 3uaJTX6Q29TjWeQV1zrT989Ud7k9nKXZKEb4p0bTQCVckshDeqa0ApMmWr0URn43pojslnjkeA3ZG RbAOG4wsVt3mzJqws9FnB8OOeZr6Dabw9WdxYa/yQOjr6ds+eefFRuTzfzUXpwfgOqNGh3ahi0gdv WeJoIsLJIhUZontTJ3wQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1scYd3-0000000Ci36-2401; Fri, 09 Aug 2024 23:02:37 +0000 Received: from mail-lj1-x22d.google.com ([2a00:1450:4864:20::22d]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1scYcy-0000000Ci0a-08lZ; Fri, 09 Aug 2024 23:02:34 +0000 Received: by mail-lj1-x22d.google.com with SMTP id 38308e7fff4ca-2f149845d81so28731931fa.0; Fri, 09 Aug 2024 16:02:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1723244550; x=1723849350; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=NJElgdSeo7tFBhUWI5Y2VGkmcaarTUGB2bJhxj7nOts=; b=YFzcSZkGr63Y0QFMIQWgaXYIaOhn7UXOidq8GL85DB8QrLJWWbIIGvELmlUsdYyYeV u1kjmfJZs6QqiKoobfAOb/DGYdKMRHL+4it0PZpDhlB+PiHsQbz206hlnyey9hDVCyYF ozzGmuCoLHQpLEyV49ADeWKlgC3r0769PxoAMjEtacx/qqUWr05ReOUHMUxnHNOUV/v4 nCBSnbL3VQO3NU+Yh//y3kJnSyCrP5hrCHkdkV36Vw9mlphtFq8g4DDnP4LIeZdv4Ggs Ff5aexN0ZMbU2GzbxaPSD3WPNa/mv1eE1T2AWKUIjdrxf/4TaD4jeNuxtR0ceovDlAAX r+9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723244550; x=1723849350; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=NJElgdSeo7tFBhUWI5Y2VGkmcaarTUGB2bJhxj7nOts=; b=s05hpWeP34piUFvOndZwRV/z4ndEdL2AgWWPmyhJC4iwbCEN1gXRCvYaehfsGZiQD2 1RlZSerJmnVlifNrRyu4romAZVQaEDJjM9hHP03BuJnLVZndVQ+9IZgrrHZC/6um4ZPr P/omXkMkmLUTYT2v8DFL8wnyphBGUHVNKk6spSpsqT518kIctZQzFICE5Tp3jMj7gpxx 9FC3jfPqfNCcdQ9pCV3UnQC0QQi0DUohqC0l61TGQHxSiEOvvdde8ITpfokHubHYQC7C Rx4oru1PWPtJU7rRNvSBY1FUk6cpPHwjZwMEwQ0ISjXDhPaA36lmx4MwnvH7PKOqYAIt IFZg== X-Forwarded-Encrypted: i=1; AJvYcCUavAcgccpHwIEAHx5/GXGlBCDlhAdLZrPbVJ0pwFfCYFTNYQr56gRh+CX8Y1vKUyyIIt68LwsjgnujGhxgN1oOZ/tSL28zgGMRRLa82z+cGxK1wSwWS102eBViSjy4NM4h3MbFvVod2bJuYfcF X-Gm-Message-State: AOJu0YxTas7U4mOEfmm3l3y12q9HCoWF4329FSUQcPApyzJkn6VifjUW OjCtllE8ONBbz5HwTgmhgF2avlVutFyBRUERZbp+IlegOcpIStKX X-Google-Smtp-Source: AGHT+IEgI2zjmdRYRlZuFS3JMcj18YcXEyrI/y4EefxeFqU02qwA4OQ98srTe294d8hiQpQ1tz2BoQ== X-Received: by 2002:a2e:98cd:0:b0:2ef:216c:c97 with SMTP id 38308e7fff4ca-2f1a6c65834mr20972061fa.19.1723244549573; Fri, 09 Aug 2024 16:02:29 -0700 (PDT) Received: from localhost.localdomain (host-87-10-253-138.retail.telecomitalia.it. [87.10.253.138]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-429c75044a8sm7987485e9.9.2024.08.09.16.02.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Aug 2024 16:02:29 -0700 (PDT) From: Christian Marangi To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Joern Engel , Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Saravana Kannan , Christian Marangi , Thomas Bogendoerfer , Wolfram Sang , Florian Fainelli , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org Subject: [PATCH v4 2/7] nvme: assign of_node to nvme device Date: Fri, 9 Aug 2024 19:21:00 +0200 Message-ID: <20240809172106.25892-3-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240809172106.25892-1-ansuelsmth@gmail.com> References: <20240809172106.25892-1-ansuelsmth@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240809_160232_078784_859376B2 X-CRM114-Status: GOOD ( 15.13 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Introduce support for a dedicated node for a nvme card. This will be a subnode of the nvme controller node that will have the "nvme-card" compatible. This follow a similar implementation done for mmc where the specific mmc card have a dedicated of_node. This can be used for scenario where block2mtd module is used to declare partition in DT and block2mtd is called on the root block of the nvme card, permitting the usage of fixed-partition parser or alternative ones. Signed-off-by: Christian Marangi --- drivers/nvme/host/core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 053d5b4909cd..344523274d1b 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -4651,6 +4652,7 @@ void nvme_uninit_ctrl(struct nvme_ctrl *ctrl) nvme_hwmon_exit(ctrl); nvme_fault_inject_fini(&ctrl->fault_inject); dev_pm_qos_hide_latency_tolerance(ctrl->device); + of_node_put(ctrl->device->of_node); cdev_device_del(&ctrl->cdev, ctrl->device); nvme_put_ctrl(ctrl); } @@ -4771,6 +4773,8 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, else ctrl->device->groups = nvme_dev_attr_groups; ctrl->device->release = nvme_free_ctrl; + ctrl->device->of_node = of_get_compatible_child(ctrl->dev->of_node, + "nvme-card"); dev_set_drvdata(ctrl->device, ctrl); return ret; -- 2.45.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/