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 X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_MED, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 353B2FC6182 for ; Fri, 14 Sep 2018 14:43:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E4D3320882 for ; Fri, 14 Sep 2018 14:43:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="aGJL8NeD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E4D3320882 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bgdev.pl Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728204AbeINTzO (ORCPT ); Fri, 14 Sep 2018 15:55:14 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:38164 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728093AbeINTzO (ORCPT ); Fri, 14 Sep 2018 15:55:14 -0400 Received: by mail-wm1-f68.google.com with SMTP id t25-v6so2183813wmi.3 for ; Fri, 14 Sep 2018 07:40:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=ckie7x+arONEAftwpr6LcpA8Mb8Zyx+Fo4gw/6J/zcY=; b=aGJL8NeD2q1SDLkZHMzMrDLGer2z2Lr8CMsQJi10ftvcG5/HOr3eZcI4rSqptvSCiw uzRwbwcQJYG5O2XEEBHex09AVL2AN2jHVHOuIHf58k6BHr1YrrPkv5N2X3KIzuOhRSZh ZK/LjY7NTuzFUSc8FHjoodh5kQx8PdKz/jICQVEzN+8TChULEMmBnt+x3138twCgGgJm LYliBoBwU348C7tPOfjClxmxP9l05pjlD/1T0Vijh2BspkqWpdkckR7n2FKgMisczPtI +XJHwD4Bwa4ZGqIhtXpltpP7rhALqbTTZ68ZjgQuEJ6BapQtjxQS58kGjMaV7aS5PtnX TxcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=ckie7x+arONEAftwpr6LcpA8Mb8Zyx+Fo4gw/6J/zcY=; b=H1vpo/Z1cRbZxGiDCaHkjfZ6T5sjIo9U1Y6ZJ44NiCkZe0MebRTPtADN0Q2DDERSJ5 iDCd/Cx9cfVbNAcmEwM/zyMRwHR1WVu6pSqjNHD9ZeT0ALR6Ode25pJRR8jWPVHU0kw8 fdK1nMiV34V4BwvKzNIeHt53P6oYXgx/3IGuj8fCSlrliWuyIaigQzFcmUvhf3ZwKpYy QGCr2007OieuDQo5OdE+3XvLjqUQnELG+xdGj4vL9tI9jWySxNfNRSY5Ct6nuKPWJ/3C mAfH63j79k32CF0bylfHD5ikIpov1JdfVAtRrxB4eDmBr5BzTpApQMN131werheMSxlC k+WQ== X-Gm-Message-State: APzg51AmGRmsv1VeSkIaoxm5PCX34XdGwgVYwvFd6EW4OKe+adP7Z44a 5weMdSCEs0UPP9qaP4pvueabNA== X-Google-Smtp-Source: ANB0VdbHGUseOA6R8VB+dFCItVbCnE4pC/0+VeRKBWTr8GHBsjQa4VpVqD3eY5w62OUaS/KnM5jLTg== X-Received: by 2002:a1c:1ec5:: with SMTP id e188-v6mr2623098wme.1.1536936025117; Fri, 14 Sep 2018 07:40:25 -0700 (PDT) Received: from brgl-bgdev.home ([2a01:cb1d:af:5b00:e837:b8d5:48c1:571b]) by smtp.gmail.com with ESMTPSA id v46-v6sm10313526wrc.63.2018.09.14.07.40.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 14 Sep 2018 07:40:24 -0700 (PDT) From: Bartosz Golaszewski To: Srinivas Kandagatla , "David S . Miller" , Mauro Carvalho Chehab , Greg Kroah-Hartman , Andrew Morton , Arnd Bergmann , Jonathan Corbet , Sekhar Nori , Kevin Hilman , David Lechner , Boris Brezillon , Andrew Lunn , Alban Bedel , Maxime Ripard , Chen-Yu Tsai Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski Subject: [PATCH v4 01/22] nvmem: provide nvmem_dev_name() Date: Fri, 14 Sep 2018 16:39:50 +0200 Message-Id: <20180914144011.27614-2-brgl@bgdev.pl> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180914144011.27614-1-brgl@bgdev.pl> References: <20180914144011.27614-1-brgl@bgdev.pl> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bartosz Golaszewski Kernel users don't have any means of checking the names of nvmem devices. Add a routine that returns the name of the nvmem provider. This will be useful for future nvmem notifier subscribers - otherwise they can't check what device is being added/removed. Signed-off-by: Bartosz Golaszewski --- drivers/nvmem/core.c | 13 +++++++++++++ include/linux/nvmem-consumer.h | 8 ++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index aa1657831b70..d96348ae0f37 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -1343,6 +1343,19 @@ int nvmem_device_write(struct nvmem_device *nvmem, } EXPORT_SYMBOL_GPL(nvmem_device_write); +/** + * nvmem_dev_name() - Get the name of a given nvmem device. + * + * @nvmem: nvmem device. + * + * Return: name of the nvmem device. + */ +const char *nvmem_dev_name(struct nvmem_device *nvmem) +{ + return dev_name(&nvmem->dev); +} +EXPORT_SYMBOL_GPL(nvmem_dev_name); + static int __init nvmem_init(void) { return bus_register(&nvmem_bus_type); diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 4e85447f7860..0389fe00b177 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -55,6 +55,8 @@ ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem, int nvmem_device_cell_write(struct nvmem_device *nvmem, struct nvmem_cell_info *info, void *buf); +const char *nvmem_dev_name(struct nvmem_device *nvmem); + #else static inline struct nvmem_cell *nvmem_cell_get(struct device *dev, @@ -143,6 +145,12 @@ static inline int nvmem_device_write(struct nvmem_device *nvmem, { return -ENOSYS; } + +static inline const char *nvmem_dev_name(struct nvmem_device *nvmem) +{ + return NULL; +} + #endif /* CONFIG_NVMEM */ #if IS_ENABLED(CONFIG_NVMEM) && IS_ENABLED(CONFIG_OF) -- 2.18.0