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=-5.5 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 A8D51C4361B for ; Fri, 11 Dec 2020 05:35:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A9E323EB2 for ; Fri, 11 Dec 2020 05:35:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392257AbgLKFea (ORCPT ); Fri, 11 Dec 2020 00:34:30 -0500 Received: from mail-ej1-f65.google.com ([209.85.218.65]:43496 "EHLO mail-ej1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390256AbgLKFd6 (ORCPT ); Fri, 11 Dec 2020 00:33:58 -0500 Received: by mail-ej1-f65.google.com with SMTP id jx16so10671493ejb.10; Thu, 10 Dec 2020 21:33:41 -0800 (PST) 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=AOQaiFtMXhXlCxvoe+bHrEq240u8BXAvyz40fgGFAGc=; b=B20QEmRHvh2M5kzaMYLjHc9bGvvG9dj9JdN1r2iFGmXUMMiFF5XpsPYYgD4XYRW3Gr 9EpicrImawj+jrGlK0Uhha+116397Moz6GZzUZi3/SyeVsiMlFyp7IYhPYh4Q3WOXU48 oui5LjAVUqGu30pH9HVchaTtsGmdlHm2LHuUaS4ytjDryIXk9BvtzicA11z3rKM+UpvT BbpUNeJ/3okXdj5UzF7e4VdgsQNJdKsJ6HCBiYIAcFVjrt0fpKBnDmuAsKihjICo6puO 40IxBr0MPWwG0D2IElktkg2VppWqwUD9ndbbXQIS4v9McIHXIE/MxeaP5tI23lcvNu7y EIpA== X-Gm-Message-State: AOAM532d0N38+eALI2+Hsf/XXYuYIA1fKVZMrtj27QYePF4WyySiuPs4 CGOdJHLHER5fs3jW1TIkmGhFznRLCnSYXg== X-Google-Smtp-Source: ABdhPJzHdvDDZiYKs2N5fI5jbJZiMwT3dOKqtEwWqQnF0eKb9tpeelrLtFMfkIsDKpjSPBk+wCSGPA== X-Received: by 2002:a17:906:3b5b:: with SMTP id h27mr9379685ejf.450.1607664795601; Thu, 10 Dec 2020 21:33:15 -0800 (PST) Received: from ?IPv6:2a0b:e7c0:0:107::49? ([2a0b:e7c0:0:107::49]) by smtp.gmail.com with ESMTPSA id p3sm939215ejx.0.2020.12.10.21.33.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Dec 2020 21:33:14 -0800 (PST) Subject: Re: [PATCH v2] Serial: silabs si4455 serial driver To: =?UTF-8?Q?J=c3=b3zsef_Horv=c3=a1th?= , 'Greg Kroah-Hartman' Cc: 'Rob Herring' , linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20201210170443.GA17304@dincontrollerdev> <20201210194625.GA17516@dincontrollerdev> From: Jiri Slaby Message-ID: <9615854e-3012-f22d-07bf-901a5bc7a410@kernel.org> Date: Fri, 11 Dec 2020 06:33:14 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 In-Reply-To: <20201210194625.GA17516@dincontrollerdev> Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 10. 12. 20, 20:46, József Horváth wrote: >> Implement the basic serial driver first, and then we can talk about >> "custom" configurations and the like, using the correct apis. > > Without the SI4455_IOC_SEZC call, the driver can't configure the Si4455 and not working at all. > The cofiguration for interface is provided by user for application. > It contains the base frequency, channel spacing, modulation, and a lot of more stuff, and generated by Silicon Labs Wireless Development Suite. > The generated configuration is in a non public(compressed, encrypted...who knows) format, so without this the driver can't provide configuration parameters to Si4455. request_firmware() comes to my mind then. thanks, -- js suse labs