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From: ron minnich <rminnich@gmail.com>
To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Richard Weinberger <richard@nod.at>,
	linux-mtd@lists.infradead.org,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Miquel Raynal <miquel.raynal@bootlin.com>
Subject: Re: [PATCH 1/1] mtd/intel-spi: Support cmdline-based partition
Date: Fri, 27 Mar 2020 10:39:12 -0700	[thread overview]
Message-ID: <CAP6exYJWWT2SFLjPCdjAEEjmZYwqYuTxd_aRaf=xEELmXqfMpA@mail.gmail.com> (raw)
In-Reply-To: <20200327171619.GO2564@lahna.fi.intel.com>

yeah, :: is not so bad, but you've got a lot of corner cases as you check for ::
mtdparts=0:
for one example.

Covering all the ways things can go wrong gets messy. You can pretty
much guarantee all those corner cases will get exercised ...

And people are going to mess this up and end up with hard to debug errors:
mtdparts=0000::0:1f.3:parts

That could be a hard error to spot.

I still wonder if we should not just define some character as
available in addition to :. I realize | was pretty awful, but ... is
there some other character we might use? I kind of like the simplicity
of the current scheme; there really would be no issue had it been
almost anything but a : :-)

But if the sense is that :: is the way to go, I can give it a shot.

ron

On Fri, Mar 27, 2020 at 10:16 AM Mika Westerberg
<mika.westerberg@linux.intel.com> wrote:
>
> On Fri, Mar 27, 2020 at 10:05:52AM -0700, ron minnich wrote:
> > I did try the \ thing but found it a bit tricky to work with, with
> > lots of potential for simple errors.
> >
> > It would require cmdlines like this
> > mtdparts=0000\:00\:0.1f:etcetc
> >
> > A lot of these mtdparts definitions are produced by scripts and
> > Makefiles and there are many, many places where \\ have a way of
> > vanishing.
>
> Right. One option would be to use the printf() style escaping and make
> :: to be literal : in the same way %% is literal %.

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  reply	other threads:[~2020-03-27 17:39 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-23 19:58 [PATCH 1/1] mtd/intel-spi: Support cmdline-based partition ron minnich
2020-03-23 23:19 ` ron minnich
2020-03-25 17:34   ` ron minnich
2020-03-25 17:34     ` ron minnich
2020-03-27 15:48       ` ron minnich
2020-03-27 15:56         ` Mika Westerberg
2020-03-27 16:19           ` Miquel Raynal
2020-03-27 16:48             ` Mika Westerberg
2020-03-27 16:52               ` Miquel Raynal
2020-03-27 17:05                 ` ron minnich
2020-03-27 17:16                   ` Mika Westerberg
2020-03-27 17:39                     ` ron minnich [this message]
2020-03-27 23:53                       ` ron minnich
2020-03-30  6:08                         ` Mika Westerberg
2020-03-30  7:27                           ` Miquel Raynal
2020-03-30 15:53                             ` ron minnich
2020-04-01  7:41                               ` Miquel Raynal
2020-04-01 15:42                                 ` ron minnich
2020-04-01 19:49                                   ` ron minnich
2020-04-27  9:16                                 ` Boris Brezillon
2020-04-27  9:49                                   ` Boris Brezillon
2020-04-27 14:41                                     ` Miquel Raynal
2020-04-27 18:48                                       ` ron minnich
2020-04-27 18:50                                         ` ron minnich
2020-04-27 18:56                                           ` Miquel Raynal
2020-04-27 18:59                                             ` ron minnich
2020-04-27 19:21                                             ` Boris Brezillon
2020-04-27 19:31                                               ` ron minnich
2020-04-27 20:31                                     ` ron minnich
2020-04-27 21:20                                       ` Miquel Raynal
2020-03-27 16:53             ` ron minnich
2020-03-27 16:15         ` Miquel Raynal

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