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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49D0FC4332F for ; Tue, 14 Nov 2023 09:49:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232245AbjKNJtK (ORCPT ); Tue, 14 Nov 2023 04:49:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229585AbjKNJtI (ORCPT ); Tue, 14 Nov 2023 04:49:08 -0500 Received: from mail-ej1-f43.google.com (mail-ej1-f43.google.com [209.85.218.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6652194; Tue, 14 Nov 2023 01:49:04 -0800 (PST) Received: by mail-ej1-f43.google.com with SMTP id a640c23a62f3a-9ae2cc4d17eso806881766b.1; Tue, 14 Nov 2023 01:49:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699955343; x=1700560143; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=RnNorZf32DtShFsUhxvCp+Ac6MkiE0q6VHIj1Ta/m1U=; b=UWyrcrbVzEkRc+4SZM4MPRcsrG1fyW+mKA5mDCSuWO1yBca+2cRxD3enHhhpm+gG0J HQ2prb+CvLG6s+9VJw4YVn8tqYQNf4cI83zQUTu9WYMy1TowS0Ox6eeey1+Yg+oFbkU1 oyKOv4hG8w/XmNoc8sAmCGqHupbZAJKani4rWIENVPMfPc0sK7eety7LsSqEg5gMWw58 lAYQ+BULnUpvJFIsnlikwGMIhNo9UgGv12gVETJzsjBvcclNgfIH/k4W1qZaeWmGc8O2 n0jmjBDAxdCttXbfI5z/FuBNEMA3I/1X668DqLZV3XOQkbstczkZmUpdB9md9c5IfUL+ iPdg== X-Gm-Message-State: AOJu0YxQXhUcbE6I/G7nn6iZdifnvsQ+RDwOGIohw+yGxyPKyAk25vaG Ad9hDuaVHSZbtup1qVNl3zo= X-Google-Smtp-Source: AGHT+IG5TY9se6ngq38fgivY1jTJhWEmb1Ysr500mBpWh+0e1Rf6RLEZt3xOpVEJ4Fe0FKy0P7VGvw== X-Received: by 2002:a17:906:d9b:b0:9dd:4d73:9d44 with SMTP id m27-20020a1709060d9b00b009dd4d739d44mr5838517eji.47.1699955343219; Tue, 14 Nov 2023 01:49:03 -0800 (PST) Received: from ?IPV6:2a0b:e7c0:0:107::aaaa:59? ([2a0b:e7c0:0:107::aaaa:59]) by smtp.gmail.com with ESMTPSA id rp21-20020a170906d97500b009e6af2efd77sm5225001ejb.45.2023.11.14.01.49.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Nov 2023 01:49:02 -0800 (PST) Message-ID: <1fbb7691-398c-4b69-abdd-b57606085cd1@kernel.org> Date: Tue, 14 Nov 2023 10:49:02 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V2 1/2] Documentation: devices.txt: Update ttyUL major number allocation details Content-Language: en-US To: Manikanta Guntupalli , git@amd.com, michal.simek@amd.com, jacmet@sunsite.dk, gregkh@linuxfoundation.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, corbet@lwn.net, christophe.leroy@csgroup.eu, rdunlap@infradead.org, airlied@redhat.com, ogabbay@kernel.org, linux-doc@vger.kernel.org Cc: radhey.shyam.pandey@amd.com, srinivas.goud@amd.com, shubhrajyoti.datta@amd.com, manion05gk@gmail.com References: <20231114093303.2718141-1-manikanta.guntupalli@amd.com> <20231114093303.2718141-2-manikanta.guntupalli@amd.com> From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14. 11. 23, 10:33, Manikanta Guntupalli wrote: > Describe when uartlite driver uses static/dynamic allocation for major > number based on maximum number of uartlite serial ports. > > Signed-off-by: Manikanta Guntupalli > --- > Changes for V2: > This patch introduced in V2. > --- > Documentation/admin-guide/devices.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt > index 839054923530..d2f2c9f436db 100644 > --- a/Documentation/admin-guide/devices.txt > +++ b/Documentation/admin-guide/devices.txt > @@ -2707,6 +2707,10 @@ > 187 = /dev/ttyUL0 Xilinx uartlite - port 0 > ... > 190 = /dev/ttyUL3 Xilinx uartlite - port 3 > + > + If maximum number of uartlite serial ports more than 4, then driver uses > + dynamic allocation instead of static allocation for major number. I am not sure about the placement of this comment. This looks like it holds for xvc below. > 191 = /dev/xvc0 Xen virtual console - port 0 > 192 = /dev/ttyPZ0 pmac_zilog - port 0 > ... -- js suse labs