From: Simon Horman <horms@verge.net.au>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v6 3/3] ARM: shmobile: lager: enable nfsroot in DTS
Date: Tue, 06 Aug 2013 02:29:59 +0000 [thread overview]
Message-ID: <20130806022955.GA25114@verge.net.au> (raw)
In-Reply-To: <87r4e7h88z.wl%kuninori.morimoto.gx@renesas.com>
On Mon, Aug 05, 2013 at 07:18:40PM -0700, Kuninori Morimoto wrote:
>
> Hi Simon
>
> > > > > chosen {
> > > > > - bootargs = "console=ttySC6,115200 ignore_loglevel";
> > > > > + bootargs = "console=ttySC6,115200 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize@96,wsize@96 rw";
> > > >
> (snip)
> > The purpose of adding NFS information to bootargs in r8a7790-lager.dts is
> > to cause the lager board to use NFS root when booting from using the C
> > version of the board code which lives in board-lager.c. This is in contrast
> > to the DT reverence version of the board code, which uses DT more heavily,
> > does not initialise sh-eth because DT bindings are not available (as far as
> > I know) and is not effected by r8a7790-lager.dts.
> >
> > Historically this kind of NFS information was added to the command line in
> > the defconfig. However, as part of the long journey to consolidate (reduce
> > the number of) shmobile defconfigs it now goes in DT instead.
>
> Thank you.
> I don't have any objection to bootargs having NFS information.
> My question was only for "rsize/wsize".
> Sorry for my confusion English.
>
> > With regards to the "rsize/wsize" settings, I will remove them.
> > However, I do see them present in the following files and I believe
> > historically they were present in some of the shmobile defconfigs.
> >
> > emev2-kzm9d-reference.dts
> > emev2-kzm9d.dts
> > r8a7740-armadillo800eva-reference.dts
> > r8a7740-armadillo800eva.dts
>
> I see.
> I don't know why these defconfigs have "rsize/wsize".
> But, this information was needed on old kernel version somehow (I forgot when, which version),
> and (I guess) there is no such issue now.
> We can remove it ?
Yes, I think we can remove it.
Would you like to make some patches?
next prev parent reply other threads:[~2013-08-06 2:29 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-30 9:09 [PATCH v6 0/3] ARM: shmobile: lager: enable Ether Simon Horman
2013-07-30 9:09 ` [PATCH v6 1/3] ARM: shmobile: r8a7790: clocks for Ether support Simon Horman
2013-07-30 9:09 ` [PATCH v6 2/3] ARM: shmobile: lager: enable Ether Simon Horman
2013-08-01 7:40 ` Kuninori Morimoto
2013-08-01 8:02 ` Simon Horman
2013-07-30 9:09 ` [PATCH v6 3/3] ARM: shmobile: lager: enable nfsroot in DTS Simon Horman
2013-08-01 7:46 ` Kuninori Morimoto
2013-08-01 8:02 ` Simon Horman
2013-08-06 1:07 ` Simon Horman
2013-08-06 2:18 ` Kuninori Morimoto
2013-08-06 2:29 ` Simon Horman [this message]
2013-08-06 2:58 ` Kuninori Morimoto
2013-08-06 3:15 ` [PATCH 0/2] ARM: shmobile: remove nfsroot settings Kuninori Morimoto
2013-08-06 3:17 ` [PATCH 1/2] ARM: shmobile: armadillo800eva: remove nfsroot settings from bootargs Kuninori Morimoto
2013-08-06 3:17 ` [PATCH 2/2] ARM: shmobile: kzm9d: " Kuninori Morimoto
2013-08-06 6:11 ` [PATCH 0/2] ARM: shmobile: remove nfsroot settings Kuninori Morimoto
2013-08-06 8:23 ` Simon Horman
2013-08-06 8:26 ` Kuninori Morimoto
2013-08-06 8:37 ` Simon Horman
2013-08-01 7:23 ` [PATCH v6 0/3] ARM: shmobile: lager: enable Ether Simon Horman
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