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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED 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 13E07C468C6 for ; Thu, 19 Jul 2018 08:14:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5CD020693 for ; Thu, 19 Jul 2018 08:14:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="MEa3el0u" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B5CD020693 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org 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 S1731379AbeGSIzy (ORCPT ); Thu, 19 Jul 2018 04:55:54 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:44217 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730776AbeGSIzy (ORCPT ); Thu, 19 Jul 2018 04:55:54 -0400 Received: by mail-wr1-f67.google.com with SMTP id r16-v6so7089214wrt.11 for ; Thu, 19 Jul 2018 01:13:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=71yMCPMLcjR/ZmID9/ossZV/m+VtBWlUwmxF8c0vSRo=; b=MEa3el0uQBZMYpU+kCRVTBFVIC2OdMxtW54P/E+iRawwz5LMd0qEMUsB4BkqI2MoO5 B6P3y1MnEHioHQQ46Gf2kkB5ZRC417L8hXMqavDomqvb9109dBDZm4UgQs+FRo+LLoe9 N/9S7QnnbqiwZbTOW2nxvHB9YtgW1Ci6VTVKo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=71yMCPMLcjR/ZmID9/ossZV/m+VtBWlUwmxF8c0vSRo=; b=ZoHgSCSHvkE3Hsjo04znmCOBpz3YLmRHOcWoTtKFTfwh6xR9gqbDM7RhGtZGURVFXS qCrkBEtVERSZvFC4j1Z0+hByR39EJh4+Yb6hBRKirkSvNgQsabAv74Qk0B/3VeoEdtRJ CJgv+v6aOxYN8nwvex1lXHCuKoXXuBKXKy2yWXyz4JKwKWY2wLBD8optkYVwsN3UTxSQ 0LGhV95pDqpPFLFOTP8PFl3Eb2XfoKa8WJ/63gEMdle4O5vmqQSOSBlHBpEEqyniXqeE CLit5+6fbtnr1sNe54TH6WhbfJvdk64K1QXWfbxxO5HWEOw/rDj1Z5wmaAki95HjHTaI Y5Hw== X-Gm-Message-State: AOUpUlHbZMIBVDox3VWgh/mtJUJeSij/U9I4Dw/BLrQkDPOriE2UFGMy ZTKz/0kvdxNUBp84Enk2JVc6eg== X-Google-Smtp-Source: AAOMgpe8IiHTBbZl/E0H19Qmo1uUZtL6k59JvQMesa65mWWeO8NU8plZuhU6/0fH2gmW+fnWxctp0Q== X-Received: by 2002:adf:deca:: with SMTP id i10-v6mr6304488wrn.163.1531988035962; Thu, 19 Jul 2018 01:13:55 -0700 (PDT) Received: from [192.168.0.18] (cpc90716-aztw32-2-0-cust92.18-1.cable.virginm.net. [86.26.100.93]) by smtp.googlemail.com with ESMTPSA id v4-v6sm11142399wra.22.2018.07.19.01.13.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Jul 2018 01:13:55 -0700 (PDT) Subject: Re: [PATCH v4 01/18] nvmem: add support for cell lookups To: Bartosz Golaszewski , Sekhar Nori , Kevin Hilman , Russell King , Grygorii Strashko , "David S . Miller" , Lukas Wunner , Rob Herring , Florian Fainelli , Dan Carpenter , Ivan Khoronzhuk , David Lechner , Greg Kroah-Hartman , Andrew Lunn , Jonathan Corbet Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, netdev@vger.kernel.org, Bartosz Golaszewski References: <20180629094039.7543-1-brgl@bgdev.pl> <20180629094039.7543-2-brgl@bgdev.pl> From: Srinivas Kandagatla Message-ID: Date: Mon, 16 Jul 2018 13:19:25 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20180629094039.7543-2-brgl@bgdev.pl> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29/06/18 10:40, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski > > We can currently only register nvmem cells from device tree or by > manually calling nvmem_add_cells(). The latter options however forces > users to make sure that the nvmem provider with which the cells are > associated is registered before the call. > > This patch proposes a new solution inspired by other frameworks that > offer resource lookups (GPIO, PWM etc.). It adds functions that allow > machine code to register nvmem lookup which are later lazily used to > add corresponding nvmem cells and remove them if no longer needed. > > Signed-off-by: Bartosz Golaszewski Acked-by: Srinivas Kandagatla