From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f51.google.com (mail-wr1-f51.google.com [209.85.221.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0EAF771 for ; Thu, 6 May 2021 17:15:02 +0000 (UTC) Received: by mail-wr1-f51.google.com with SMTP id l2so6414293wrm.9 for ; Thu, 06 May 2021 10:15:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=eyeq7edVwNja9tWgkLIcplpibdOE0K8mu+BGnA3YRIk=; b=pqNzx4ZUKXcSSwxox5HXd8A0IyPOcASEDZo9nXoqRQl5zxgXRlQm+M1h6rDJN0SnS8 WZOS0M05vpVegePmJq/Sm2VxVAxh+4Dp8ezbIvJtJhMOvXEPe+UEQKG5yBHYsPB2viCh WFWEy2blmHjCqRcgOHOLnmNBAh8gCWeM5N1HYFxP8o/HwXfxUFjqrKB2XGqUa6tyNIZ6 MVSAmvphk+n+W4ZgcC7upz88Dup5VjnXeJ992dh7UomCK1ZZerP7I1GquEAfRxPmwfUd mIOq03XQI2YeNW0+SvdaTGonOSLTP6+oWEbe6oO7/SPSNO7nhf8DyhYnp7MwNPXkJjGU l5rQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=eyeq7edVwNja9tWgkLIcplpibdOE0K8mu+BGnA3YRIk=; b=cEvW0D4KlRheD+jo9tboQz+SbS5aWAwYZGI0ILIHG3fl2ky0MuR582e7+FTDMFukb2 dAbFrdrc7/vaj4b5+6bUuYpTeEBxQeKEoyIqthEnVpFXoMEBdtm2uPB3+wPcrhnOcg8L 8ZH7BX8zjNWoBR8ZvFuP6IxxDUQf8CsTVjb+ZWqcDdOfYPrzcPbqh9+8RdA8/bmOZEb0 vWWYpZxqh/RaHzfQ/3R1THN8HwgYbxgL00QjXtQgrjUij5E9R4jSnYP28dgAKljJK4wF gED5CHmmpPjwF93ELS2Rn4JWMgDudHYaDe3Wmz96Alf+/lKzPoUQnAlNsPClZIS3ICi2 ZXnA== X-Gm-Message-State: AOAM532rvlodtUGXTqVkC8/rAOON+d5uibq1AFvoBkMM0EcKJdNdcXIo 8Fl8XfjF33AUthXG+zVqWF8zQzdPV92Bjw== X-Google-Smtp-Source: ABdhPJxOYdlVjjxQM0kaIKg3Aptr/aNxRL6e6EwEhCuGmwWDaWWmcQqYPnu07+heSVTSTRA2yqadwg== X-Received: by 2002:a5d:4ccc:: with SMTP id c12mr6879065wrt.268.1620321300540; Thu, 06 May 2021 10:15:00 -0700 (PDT) Received: from agape.jhs ([5.171.81.67]) by smtp.gmail.com with ESMTPSA id l21sm10428421wme.10.2021.05.06.10.14.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 May 2021 10:15:00 -0700 (PDT) Date: Thu, 6 May 2021 19:14:57 +0200 From: Fabio Aiuto To: Sven Van Asbroeck Cc: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= , Greg Kroah-Hartman , linux-staging@lists.linux.dev, Sascha Hauer Subject: Re: [PATCH 2/2] staging: fieldbus: anybus: Refuse registering drivers without .probe() Message-ID: <20210506171456.GA8507@agape.jhs> References: <20210505202923.198607-1-u.kleine-koenig@pengutronix.de> <20210505202923.198607-2-u.kleine-koenig@pengutronix.de> <20210506084955.GC1432@agape.jhs> X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) On Thu, May 06, 2021 at 09:54:06AM -0400, Sven Van Asbroeck wrote: > Hi Fabio, > > On Thu, May 6, 2021 at 4:49 AM Fabio Aiuto wrote: > > > > I'm trying to make my way in linux kernel device driver development and > > hopefully find a job soon. If the task 'moving fieldbus out of staging' will > > give me opportunity to play with real hardware, and so gain more experience, > > we can talk about it. > > Thank you so much for the offer, I really appreciate it ! > > The fieldbus subsystem sits in staging mainly because it's in use by > only a single company. Greg KH was absolutely right to insist that > this had to go into staging: a subsystem is different from a simple > driver, and can only thrive if it's actively used by a wide community. > You can see this in the subsystem's TODO: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/staging/fieldbus/TODO?h=v5.12 for this TODO, one should identify first target people who could be interested in Fieldbus. > > In short, this cannot be taken out of staging by "pure technical > work". Except if you had a fieldbus client device on your hands, and > you wanted to talk to it through this subsystem. no I don't, these seems to be industrial devices and I don't know how could I bring home such stuff. > > Sven thank you for your answer Sven, fabio