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From: William Jhun <wjhun@ayrnetworks.com>
To: linux-mtd@lists.infradead.org
Subject: Initialization ordering problem
Date: Mon, 18 Mar 2002 22:14:49 -0800	[thread overview]
Message-ID: <20020318221449.L6821@ayrnetworks.com> (raw)

Hello,

Since mtd chip drivers (cfi_probe.c, etc) register their presence during
module (or __initcall) initialization, an attempt to probe for flash
devices before all mtd components have initialized may fail. Our
platform-specific code (which in turn calls do_map_probe() in chipreg.c)
just happens to get linked in before the mtd code. Resultingly, all
probes fail as the required chip drivers are not present. Is there a
better solution for this than changing the link order? Had the chip
drivers been available as modules and CONFIG_KMOD set, they would have
been loaded and initialized on-demand. However, when linking everything
statically, this fails miserably. I could work up some kludge to make
our platform-specific flash initialization code link in after the mtd
code, but this would be ugly.

Any ideas?

Thanks,
Will

             reply	other threads:[~2002-03-19  6:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-19  6:14 William Jhun [this message]
2002-03-19  6:50 ` Initialization ordering problem Jonas Holmberg
2002-03-19 19:11   ` William Jhun
2002-03-20  9:36     ` Jonas Holmberg
2002-03-19 10:51 ` David Woodhouse

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