linux-kernel - Re: [PATCH v2] soc: add aspeed folder and misc drivers

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Message-ID: <CACPK8XemgKvM38wDSUJsXXeK51dwmeUoKWn+e3ZNHd9v5VBZHA@mail.gmail.com>
Date:   Mon, 29 Apr 2019 07:48:52 +0000
From:   Joel Stanley <joel@....id.au>
To:     Greg KH <gregkh@...uxfoundation.org>, Arnd Bergmann <arnd@...db.de>
Cc:     Patrick Venture <venture@...gle.com>,
        Andrew Jeffery <andrew@...id.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-aspeed@...ts.ozlabs.org, arm-soc <arm@...nel.org>,
        soc@...nel.org
Subject: Re: [PATCH v2] soc: add aspeed folder and misc drivers

On Thu, 25 Apr 2019 at 17:25, Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Tue, Apr 23, 2019 at 08:28:14AM -0700, Patrick Venture wrote:
> > On Tue, Apr 23, 2019 at 8:22 AM Patrick Venture <venture@...gle.com> wrote:
> > >
> > > On Tue, Apr 23, 2019 at 7:26 AM Patrick Venture <venture@...gle.com> wrote:
> > > >
> > > > Create a SoC folder for the ASPEED parts and place the misc drivers
> > > > currently present into this folder.  These drivers are not generic part
> > > > drivers, but rather only apply to the ASPEED SoCs.
> > > >
> > > > Signed-off-by: Patrick Venture <venture@...gle.com>
> > >
> > > Accidentally lost the Acked-by when re-sending this patchset as I
> > > didn't see it on v1 before re-sending v2 to the larger audience.
> >
> > Since there was a change between v1 and v2, Arnd, I'd appreciate you
> > Ack this version of the patchset since it changes when the soc/aspeed
> > Makefile is followed.
>
> I have no objection for moving stuff out of drivers/misc/ so the SOC
> maintainers are free to take this.

I was on the fence about this. The downside of moving drivers out of
drivers/misc is it allows SoCs to hide little drivers away from
scrutiny, when in fact they could be sharing a common userspace API
with other BMCs.  (Keep an eye out for the coming Nuvoton "bios post
code" driver which is very similar to
drivers/misc/aspeed-lpc-snoop.c).

However, in the effort to move away from BMC that are full of shell
scripts that bash on /dev/mem, we are going to see a collection of
small, very SoC specific, drivers and it doesn't make sense to clutter
up drivers/misc.

Acked-by: Joel Stanley <joel@....id.au>

The p2a driver has been merged by Greg. We should move that one over
too. Arnd, can you advise Patrick on how to proceed? We could have him
spin a v3 that includes the p2a driver, but it would depend on Greg's
char-misc-next branch.

Cheers,

Joel