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=-8.8 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,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 D5351ECE562 for ; Fri, 21 Sep 2018 07:29:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8674421531 for ; Fri, 21 Sep 2018 07:29:58 +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="cyCJgE39" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8674421531 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 S2389639AbeIUNRb (ORCPT ); Fri, 21 Sep 2018 09:17:31 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:32854 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389623AbeIUNRa (ORCPT ); Fri, 21 Sep 2018 09:17:30 -0400 Received: by mail-wr1-f67.google.com with SMTP id n11-v6so573187wro.0 for ; Fri, 21 Sep 2018 00:29:54 -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=T3JwPT9aoVeFiw7lwEM5tGc15cd9dEB7wdw3Rm9T4Ac=; b=cyCJgE39z3uNe10IH6WoV5lHS3nTLCMJiNRYcYaFvOSo6L7dHiCMtdAJzA50jU5oiY m3mLtied89U5vLdY9RiYbg6TAtfiD1rW5ZKEHjDAU3V17AAAWUD7S1OP1VAKnIFmJ3VY wSECvQn5Gz3u30TSljY/BWKPDpnWIlGRaRUkLPR3h/yR2bzMH/QhHoFfilSPVTOF2YDN AofSkWnKhY5nEzrTNa63pJ0gy6yzxKUwioXKbVei09SDyOQMSZ6DDQqSlFTGeGYBgo3S +ZST2FAZMoTc4gCyz9Uxi0PRG9Xng6gG4htP+D2sMNX2YzhVfE036682xz3KVO5ACh/t QjEA== 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=T3JwPT9aoVeFiw7lwEM5tGc15cd9dEB7wdw3Rm9T4Ac=; b=tHyP/jr/xKtUl60M0bwr8Uyg6nE0yfrof7MrmBRP3De/jg9pHevqPwIzp3jot6C59B 2EV4O17/z4Fda9WoQU0Kq+j7DtuliQZkhc40JcAs29vU7SfgA/wL4Hh3y1at/c0ayb4O 6Fk11eMPyyzOuhFAKKlkuFKP1P5VJ8hDkWlqnR7hSe/HdXb/bpC6xmNLsMXd13Lqgj0u OgVixqKMJSKRVRiYfG2DJAMHM6kWX+da5VdTNKhYLhQ+nFdZMgG1+1PbPro4sRohlntH vff8Ly0eJHiNFUQ7KYJN6u3kdTmTo5bBKdgO/chenQVRz2XHnkSwAW/vyqIH/Tcnz921 fWcA== X-Gm-Message-State: APzg51CNTm+xbXSuXooXR65zC9fAg9vIF77ETqbScuOlHPi2ingrIX3V Kei3oaT43J/oLdFuI0Z3hPrmOQ== X-Google-Smtp-Source: ANB0VdZk0lLT+z2B9JRqsDhPBHsRFqWQa8sDVG5d5y0Tj0yzyXw3eQukRVQEcQaZESwRi18Xd7Ut0A== X-Received: by 2002:adf:b2d7:: with SMTP id g81-v6mr10068281wrd.48.1537514993658; Fri, 21 Sep 2018 00:29:53 -0700 (PDT) Received: from brgl-bgdev.home ([2a01:cb1d:af:5b00:e837:b8d5:48c1:571b]) by smtp.gmail.com with ESMTPSA id d18-v6sm2841597wmb.33.2018.09.21.00.29.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 21 Sep 2018 00:29:53 -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 v5 20/22] nvmem: use EOPNOTSUPP instead of ENOSYS Date: Fri, 21 Sep 2018 09:29:19 +0200 Message-Id: <20180921072921.19387-21-brgl@bgdev.pl> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180921072921.19387-1-brgl@bgdev.pl> References: <20180921072921.19387-1-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 Checkpatch emits warnings when using ENOSYS. Some of the frameworks started using EOPNOTSUPP as return values for API functions when given subsystem is disabled in Kconfig. Signed-off-by: Bartosz Golaszewski --- include/linux/nvmem-consumer.h | 30 +++++++++++++++--------------- include/linux/nvmem-provider.h | 5 ++--- 2 files changed, 17 insertions(+), 18 deletions(-) diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index e17617fa034f..312bfa5efd80 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -93,13 +93,13 @@ int nvmem_unregister_notifier(struct notifier_block *nb); static inline struct nvmem_cell *nvmem_cell_get(struct device *dev, const char *id) { - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); } static inline struct nvmem_cell *devm_nvmem_cell_get(struct device *dev, const char *id) { - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); } static inline void devm_nvmem_cell_put(struct device *dev, @@ -113,31 +113,31 @@ static inline void nvmem_cell_put(struct nvmem_cell *cell) static inline void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len) { - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); } static inline int nvmem_cell_write(struct nvmem_cell *cell, const char *buf, size_t len) { - return -ENOSYS; + return -EOPNOTSUPP; } static inline int nvmem_cell_read_u32(struct device *dev, const char *cell_id, u32 *val) { - return -ENOSYS; + return -EOPNOTSUPP; } static inline struct nvmem_device *nvmem_device_get(struct device *dev, const char *name) { - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); } static inline struct nvmem_device *devm_nvmem_device_get(struct device *dev, const char *name) { - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); } static inline void nvmem_device_put(struct nvmem_device *nvmem) @@ -153,28 +153,28 @@ static inline ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem, struct nvmem_cell_info *info, void *buf) { - return -ENOSYS; + return -EOPNOTSUPP; } static inline int nvmem_device_cell_write(struct nvmem_device *nvmem, struct nvmem_cell_info *info, void *buf) { - return -ENOSYS; + return -EOPNOTSUPP; } static inline int nvmem_device_read(struct nvmem_device *nvmem, unsigned int offset, size_t bytes, void *buf) { - return -ENOSYS; + return -EOPNOTSUPP; } static inline int nvmem_device_write(struct nvmem_device *nvmem, unsigned int offset, size_t bytes, void *buf) { - return -ENOSYS; + return -EOPNOTSUPP; } static inline const char *nvmem_dev_name(struct nvmem_device *nvmem) @@ -189,12 +189,12 @@ nvmem_del_cell_lookups(struct nvmem_cell_lookup *entries, size_t nentries) {} static inline int nvmem_register_notifier(struct notifier_block *nb) { - return -ENOSYS; + return -EOPNOTSUPP; } static inline int nvmem_unregister_notifier(struct notifier_block *nb) { - return -ENOSYS; + return -EOPNOTSUPP; } #endif /* CONFIG_NVMEM */ @@ -208,13 +208,13 @@ struct nvmem_device *of_nvmem_device_get(struct device_node *np, static inline struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, const char *id) { - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); } static inline struct nvmem_device *of_nvmem_device_get(struct device_node *np, const char *name) { - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); } #endif /* CONFIG_NVMEM && CONFIG_OF */ diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index 8ae012f6545a..1e3283c2af77 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -100,7 +100,7 @@ void nvmem_del_cell_table(struct nvmem_cell_table *table); static inline struct nvmem_device *nvmem_register(const struct nvmem_config *c) { - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); } static inline void nvmem_unregister(struct nvmem_device *nvmem) {} @@ -114,8 +114,7 @@ devm_nvmem_register(struct device *dev, const struct nvmem_config *c) static inline int devm_nvmem_unregister(struct device *dev, struct nvmem_device *nvmem) { - return -ENOSYS; - + return -EOPNOTSUPP; } static inline void nvmem_add_cell_table(struct nvmem_cell_table *table) {} -- 2.18.0