From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 11 Aug 2025 14:30:33 +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 1ulRfd-009Klu-1R for lore@lore.pengutronix.de; Mon, 11 Aug 2025 14:30:33 +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 1ulRfJ-0006NS-61 for lore@pengutronix.de; Mon, 11 Aug 2025 14:30:33 +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=7ZvzvaoyAK9S9RGB1NjIula/Nm4hNkRqv7rekjnOk64=; b=qiUOx0JIFaqyk9dYo1XxZVi/6+ W8JPr3wttBgHPv/G5K6GAzgefNZ5SDbfNu+zpP77jyX8/qGlB+I7dNreXuVKLVjwT6mxdTpijvUQ5 qaDCJ0GK7PL0jWJ2rOq0sTgiYcEQuoN6E3ptLqc9LfuvTeemd4v5kfgdWFyCXIWoARE5nUi2xiRJa zBxt7A1P8Mo2BzTQ/2J80xJ849P+EzkA77EzyCIr5ziaehE+PFrUmbeOJ9BY1KDg9N2+4g+AH270a a/Ifli6D1u/HAAGtWQPi8+zG57LRUg60eDmVd0z2Fo89GE8lKXsgp4rQk/i2HMBtO+on1qf/xvo2g cmjyvb9w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ulRe7-00000007eG6-3Ssi; Mon, 11 Aug 2025 12:28:59 +0000 Received: from metis.whiteo.stw.pengutronix.de ([185.203.201.7]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ulRdi-00000007dbN-2D91 for barebox@lists.infradead.org; Mon, 11 Aug 2025 12:28:39 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=geraet.fritz.box) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1ulRdg-0004WP-Pa; Mon, 11 Aug 2025 14:28:32 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 11 Aug 2025 14:28:06 +0200 Message-Id: <20250811122824.1667791-27-a.fatoum@barebox.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250811122824.1667791-1-a.fatoum@barebox.org> References: <20250811122824.1667791-1-a.fatoum@barebox.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250811_052834_638000_3C0171BA X-CRM114-Status: GOOD ( 12.27 ) 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=-5.4 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 26/44] nvmem: add devices to new nvmem class 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) We already link all nvmem devices into a linked list, but we don't export it for outside iteration. Turn it into a class before exporting it. No functional change. Signed-off-by: Ahmad Fatoum --- drivers/nvmem/core.c | 10 ++++------ include/linux/nvmem-consumer.h | 5 ++++- 2 files changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 68cb27093227..253c00575d88 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -16,7 +16,6 @@ struct nvmem_device { const char *name; struct device dev; - struct list_head node; int stride; int word_size; int ncells; @@ -46,15 +45,14 @@ struct nvmem_cell { }; static LIST_HEAD(nvmem_cells); -static LIST_HEAD(nvmem_devs); +DEFINE_DEV_CLASS(nvmem_class, "nvmem"); void nvmem_devices_print(void) { struct nvmem_device *dev; - list_for_each_entry(dev, &nvmem_devs, node) { + class_for_each_container_of_device(&nvmem_class, dev, dev) printf("%s\n", dev_name(&dev->dev)); - } } static ssize_t nvmem_cdev_read(struct cdev *cdev, void *buf, size_t count, @@ -154,7 +152,7 @@ static struct nvmem_device *of_nvmem_find(struct device_node *nvmem_np) if (!nvmem_np) return NULL; - list_for_each_entry(dev, &nvmem_devs, node) + class_for_each_container_of_device(&nvmem_class, dev, dev) if (dev->dev.of_node == nvmem_np) return dev; @@ -266,7 +264,7 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) } } - list_add_tail(&nvmem->node, &nvmem_devs); + class_add_device(&nvmem_class, &nvmem->dev); return nvmem; } diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 397c4c29dafd..c711b63aeeb0 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -12,7 +12,8 @@ #ifndef _LINUX_NVMEM_CONSUMER_H #define _LINUX_NVMEM_CONSUMER_H -struct device; +#include + struct device_node; /* consumer cookie */ struct nvmem_cell; @@ -26,6 +27,8 @@ struct nvmem_cell_info { unsigned int nbits; }; +extern struct class nvmem_class; + #if IS_ENABLED(CONFIG_NVMEM) /* Cell based interface */ -- 2.39.5