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Date: Sun, 08 Sep 2013 17:28:46 -0700
From: Guenter Roeck <linux@roeck-us.net>
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Subject: powerpc allmodconfig build broken due to commit 15863ff3b (powerpc:
 Make chip-id information available to userspace)
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Cc: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>,
 Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>, linuxppc-dev@lists.ozlabs.org,
 Paul Mackerras <paulus@samba.org>
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Hi all,

powerpc allmodconfig build on the latest upstream kernel results in:

ERROR: ".cpu_to_chip_id" [drivers/block/mtip32xx/mtip32xx.ko] undefined!

This is due to commit 15863ff3b (powerpc: Make chip-id information available to userspace).
Not surprising, as cpu_to_chip_id() is not exported.

Reverting this commit fixes the problem. Any good idea how to fix it for real ?

Guenter