Received: by 2002:a25:824b:0:0:0:0:0 with SMTP id d11csp8627512ybn; Tue, 1 Oct 2019 10:47:46 -0700 (PDT) X-Google-Smtp-Source: APXvYqyyTsDBvZdi7LfQRupChdQ5ju9pRRXXOw6yR06EjJZICvtn9LbtvZqtOTD3Pbg1iwIAOp9k X-Received: by 2002:a50:91d0:: with SMTP id h16mr27924160eda.152.1569952066320; Tue, 01 Oct 2019 10:47:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1569952066; cv=none; d=google.com; s=arc-20160816; b=id+m5LZ0PwPGYVPdPr1gOwMoTxJ+4YcQjqNRQmupYXZQkfBbp0wauIaDSsqCDSaNR5 AUJASMWgbtw837kjhY32T8h6Sq9FLWGlGMWIwRJ10UkMXdtKbQMGxJ65PMZqucsjvD4z UEI0IJ9LwBQZWzqHCTs/xrmDcPR9iFrmnKZ1KCgISKtPT2j0szgYBTeZ8xsLkzdVZPb4 NqMRqwUKAzfjGNo2WmPMPCE2HAMgvtcoWq3mqFa7BXGiCxUvQoug0nWtyeUP7y69vnTV dGZjOSq3t9EXiF8GdFxBFBCMx3QN1vnuLIhkDS4yyhv7BwP05QYhIKhpimNK+OMRSm0F 5tqA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=tyxHFd5wW1HB8T1w9ETX1ZIVl+VmfrkIQ8b1d94+qqY=; b=O7hPaf3oHa63+fffmPeW3UTZvr65AHBGh4lXrLGJ+q9b4ldC2szX65YfKOy6EqXx/G jXVfpdIw4GhdHk1pLVcCLUoLQpcvr1W2tJl+wfLeVxU+oW2Ye0RPSTw1SR4Nj/AXszIF 484G771eLPa7+kwLXx72QeVMBhpAsLCY+0iNHB/5gZ8BRVMJxvWHQ+NgWcYOOsgGPKBW kYeyBjIkdD3QKGPVhC8rPMp5J9h6BTl2lfCBhC+UShhkbG/rGrSJlshMQz4XPCmkQFT5 kU0Fq8XkSVZmJCN+zlCN+Lgbb88KWPO3+RiGhDKo6Jz9VkLtdfqnR3/IaL7b82wXNyHN AMvQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id se14si9331745ejb.322.2019.10.01.10.47.10; Tue, 01 Oct 2019 10:47:46 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726813AbfJARqO (ORCPT + 99 others); Tue, 1 Oct 2019 13:46:14 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:56062 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726284AbfJARqO (ORCPT ); Tue, 1 Oct 2019 13:46:14 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1iFME0-0000wv-Am; Tue, 01 Oct 2019 19:46:12 +0200 Date: Tue, 1 Oct 2019 19:46:12 +0200 From: Sebastian Andrzej Siewior To: Larry Finger Cc: linux-wireless@vger.kernel.org Subject: Re: Support for RTL8188FU Message-ID: <20191001174612.4kj3mt3h5epidyyk@linutronix.de> References: <20191001160305.qrl4nt2jmdsogaaz@linutronix.de> <3af284c7-ee46-dd42-9549-de55feae2528@lwfinger.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <3af284c7-ee46-dd42-9549-de55feae2528@lwfinger.net> User-Agent: NeoMutt/20180716 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On 2019-10-01 11:47:44 [-0500], Larry Finger wrote: > A quick Internet search shows me that the RTL8188FU is a low-cost chip used > on Raspberry PI and other similar low-cost systems. > > The USB group at Realtek is notorious for their lack of support for Linux > drivers. The ones they release have lots of dead code used for Windows and > FreeBSD drivers, and they have lots of code that applies to other chips. > With other drivers that I have placed at GitHub, some of the commits that > remove dead code will remove as many of 10K lines. yeah, seen that. > You should be able to find the code that differs between 8188EU and 8188FU > to see what is different. So you would recommend to try to merge it to the staging driver. > The 8188RU is a special variant of the 8188EU. I have no idea what an 8188CU is. > > Your only starting point is the driver that is next to you! Thank you for your reply. > Larry Sebastian