linux-kernel - Re: [PATCH 1/4] amba: Export amba

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Message-Id: <20180515081519.22751a39c49e63224da3acac@arm.com>
Date:   Tue, 15 May 2018 08:15:19 -0500
From:   Kim Phillips <kim.phillips@....com>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Howells <dhowells@...hat.com>,
        Eric Auger <eric.auger@...hat.com>,
        Eric Biederman <ebiederm@...ssion.com>,
        Gargi Sharma <gs051095@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Kirill Tkhai <ktkhai@...tuozzo.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        Rik van Riel <riel@...hat.com>,
        Robin Murphy <robin.murphy@....com>,
        Russell King <linux@...linux.org.uk>,
        Thierry Reding <treding@...dia.com>,
        Todd Kjos <tkjos@...gle.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] amba: Export amba_bustype

On Tue, 15 May 2018 08:59:02 +0200
Ulf Hansson <ulf.hansson@...aro.org> wrote:

> On 8 May 2018 at 21:06, Kim Phillips <kim.phillips@....com> wrote:
> > This patch is provided in the context of allowing the Coresight driver
> > subsystem to be loaded as modules.  Coresight uses amba_bus in its call
> > to bus_find_device() in of_coresight_get_endpoint_device() when
> > searching for a configurable endpoint device.  This patch allows
> > Coresight to reference amba_bustype when built as a module.
> 
> Sounds like you are fixing a bug, don't your want this to go for
> stable and then also add a fixes tag?

How do you consider this a bug fix?  What commit would the fixes tag
reference?  The introduction of the amba bus?  Not only aren't busses
required to export their bus_type, but that commit predates git.

Kim