From: David Woodhouse <dwmw2@infradead.org>
To: Xavier DEBREUIL <xde@inventel.fr>
Cc: linux-mtd@lists.infradead.org
Subject: Re: use of low level driver
Date: Tue, 19 Jun 2001 09:40:15 +0100 [thread overview]
Message-ID: <24709.992940015@redhat.com> (raw)
In-Reply-To: <3B2F0D7C.AEB02B3E@inventel.fr>
xde@inventel.fr said:
> But, if I want to call do_map_probe("cfi" or "cfi_intel",...), I need
> to have registered the corresponding mtd chip driver. But when it is
> part of the kernel (not a module), "mod_init_t cfi_intelext_init(void)"
> is not called in kernel initialisation ? (correct?)
The Intel command set code is a back end only. It doesn't have any code for
probing the chips, and should be invoked only from a driver which can do
so. At the moment, the only driver which can do that is the CFI probe. If
you want to use the cfi_cmdset_0001 code with non-CFI chips, you need to
write your own probe code which will identify the chip, set up a dummy cfi
structure, and swap the chip driver operations with the cfi_cmdset_0001
back end as the cfi_probe code does.
--
dwmw2
prev parent reply other threads:[~2001-06-19 8:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-19 8:29 use of low level driver Xavier DEBREUIL
2001-06-19 8:40 ` David Woodhouse [this message]
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