From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Russell King - ARM Linux <linux@armlinux.org.uk>,
Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
Kevin Hilman <khilman@baylibre.com>,
"Nori, Sekhar" <nsekhar@ti.com>,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
Olof Johansson <olof@lixom.net>
Subject: Re: [RESEND PATCH] arm: assabet_defconfig: disable IDE subsystem
Date: Fri, 25 Nov 2016 23:22:33 +0100 [thread overview]
Message-ID: <2979452.etgg2fh1hR@wuerfel> (raw)
In-Reply-To: <1512445.DtnT51NQqg@amdc3058>
On Monday, October 31, 2016 7:24:46 PM CET Bartlomiej Zolnierkiewicz wrote:
> On Monday, October 31, 2016 07:14:13 PM Bartlomiej Zolnierkiewicz wrote:
> > On Monday, October 31, 2016 03:46:22 PM Russell King - ARM Linux wrote:
> > > On Wed, Oct 26, 2016 at 07:01:12PM +0200, Bartlomiej Zolnierkiewicz wrote:
> > > > > I'd be fine with just getting a pull request with all the patches that
> > > > > had no negative feedback and that were not already applied (if any).
> > > >
> > > > Here it is (sorry for taking so long).
> > >
> > > I've just been digging in the dmesg logs from when I was using the
> > > Assabet+Neponset as my firewall, and it was having to use the IDE
> > > ide-cs driver rather than the pata pcmcia driver.
> > >
> > > I don't recall whether the pata pcmcia driver was a problem or not,
> > > as the PCMCIA interface can't cope with _any_ 32-bit accesses. I
> > > think PATA tries to use the "highest" possible access size by
> > > default...
> >
> > It doesn't actually - it defaults to 16-bits for PIO data access and
> > you must explicitly enable 32-bits using ATA_PFLAG_PIO32 port flag
> > (pata_pcmcia doesn't set it so it should be okay). Also taskfile
> > registers are accessed using 8-bits access by default transport
> > functions (which are used by pata_pcmcia).
>
> Please also note that:
>
> - assebet_defconfig currently doesn't even enable ide-cs
> (CONFIG_BLK_DEV_IDECS) in the mainline kernel
>
> - neponset_defconfig doesn't even enable IDE (CONFIG_IDE)
> in the mainline kernel
>
> so there is no risk of breaking anything..
I noticed this older pull request in my todo folder, my interpretation
is that the concern was resolved and we simply missed it.
I've pulled it into next/defconfig for v4.10 now, with the above
in the merge commit text for reference.
Thanks,
Arnd
prev parent reply other threads:[~2016-11-25 22:24 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-08 15:24 [RESEND PATCH] arm: assabet_defconfig: disable IDE subsystem Bartlomiej Zolnierkiewicz
2016-07-08 15:24 ` [RESEND PATCH] arm: badge4_defconfig: " Bartlomiej Zolnierkiewicz
2016-07-08 15:24 ` [RESEND PATCH] arm: cerfcube_defconfig: " Bartlomiej Zolnierkiewicz
2016-07-08 15:24 ` [RESEND PATCH] arm: colibri_pxa270_defconfig: " Bartlomiej Zolnierkiewicz
2016-07-16 9:01 ` Robert Jarzmik
2016-07-08 15:24 ` [RESEND PATCH] arm: lart_defconfig: " Bartlomiej Zolnierkiewicz
2016-07-08 15:24 ` [RESEND PATCH] arm: lpda270_defconfig: " Bartlomiej Zolnierkiewicz
2016-07-08 15:24 ` [PATCH v2] arm: mainstone_defconfig: " Bartlomiej Zolnierkiewicz
2016-07-08 15:24 ` [RESEND PATCH] arm: pxa255-idp_defconfig: " Bartlomiej Zolnierkiewicz
2016-07-08 15:24 ` [RESEND PATCH] arm: shannon_defconfig: " Bartlomiej Zolnierkiewicz
2016-07-08 15:24 ` [RESEND PATCH] arm: trizeps4_defconfig: " Bartlomiej Zolnierkiewicz
2016-07-08 20:23 ` [RESEND PATCH] arm: assabet_defconfig: " Arnd Bergmann
2016-07-13 10:59 ` Bartlomiej Zolnierkiewicz
2016-07-13 14:37 ` Arnd Bergmann
2016-07-13 17:45 ` Russell King - ARM Linux
2016-07-14 9:59 ` Bartlomiej Zolnierkiewicz
2016-07-15 15:15 ` Kevin Hilman
2016-07-18 14:45 ` Sekhar Nori
2016-12-12 12:45 ` Bartlomiej Zolnierkiewicz
2016-12-12 13:54 ` Sekhar Nori
2017-03-07 17:51 ` Bartlomiej Zolnierkiewicz
2017-03-08 15:00 ` Sekhar Nori
2017-03-09 8:39 ` Sekhar Nori
2017-03-09 9:25 ` Sergei Shtylyov
2017-03-09 12:20 ` Sekhar Nori
2017-03-09 12:24 ` Sergei Shtylyov
2017-03-09 13:57 ` Russell King - ARM Linux
[not found] ` <CGME20170309144309epcas1p17e601ea2747d5587e4fecf61cc670812@epcas1p1.samsung.com>
2017-03-09 14:42 ` Bartlomiej Zolnierkiewicz
2017-03-09 14:51 ` Russell King - ARM Linux
[not found] ` <CGME20170309145745epcas5p331cf5418a586b8d435a508626cbf7af9@epcas5p3.samsung.com>
2017-03-09 14:57 ` Bartlomiej Zolnierkiewicz
2017-03-09 15:08 ` Russell King - ARM Linux
[not found] ` <CGME20170309154131epcas5p1f9c668855ee33c1634d4491d8664848b@epcas5p1.samsung.com>
2017-03-09 15:41 ` Bartlomiej Zolnierkiewicz
[not found] ` <CGME20170309145219epcas5p38b1af654dd0a4b04bd02a488051c065f@epcas5p3.samsung.com>
2017-03-09 14:52 ` Bartlomiej Zolnierkiewicz
2017-03-09 16:22 ` Sergei Shtylyov
[not found] ` <CGME20170310171153epcas5p259bf9353fd1194dd131350fc59c3423a@epcas5p2.samsung.com>
2017-03-10 17:11 ` Bartlomiej Zolnierkiewicz
[not found] ` <CGME20170309122125epcas5p415b1f2266f68d5b999d2eb4ced94e9f3@epcas5p4.samsung.com>
2017-03-09 12:21 ` Bartlomiej Zolnierkiewicz
[not found] ` <CGME20170309114756epcas5p3761bce85d5a8e3a095cb3a876c484ea6@epcas5p3.samsung.com>
2017-03-09 11:47 ` Bartlomiej Zolnierkiewicz
2017-03-09 11:57 ` Sekhar Nori
[not found] ` <CGME20170309121425epcas1p119ed8e5e27e3f7d8bfc71d0173cd301b@epcas1p1.samsung.com>
2017-03-09 12:14 ` Bartlomiej Zolnierkiewicz
2016-10-26 17:01 ` Bartlomiej Zolnierkiewicz
2016-10-31 15:46 ` Russell King - ARM Linux
2016-10-31 18:14 ` Bartlomiej Zolnierkiewicz
2016-10-31 18:24 ` Bartlomiej Zolnierkiewicz
2016-11-25 22:22 ` Arnd Bergmann [this message]
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