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authorChristian Krafft <krafft@de.ibm.com>2007-08-30 01:33:53 +0200
committerArnd Bergmann <arnd@klappe.arndb.de>2007-08-30 01:35:05 +0200
commitaac2e68481681a362ab6f44fc515034e2a4c7f2c (patch)
tree3e39ff56bb079c2af1b85a5f7ed990b6dcdb59c3 /lib/locking-selftest-wsem.h
parent5cc44e086d7a4e20035997ec612678ca91f426e7 (diff)
[POWERPC] spu_manage: fix spu_unit_number for celleb device tree
This fixes a regression introduced with 2.6.23-rc4 after on some confusion about the device tree interfaces. IBM QS21 device trees provide "physical-id", so we changed the code to run on that and remain compatible with all IBM machines. However, the Toshiba Celleb device tree provides the "unit-id" property, which was in the Linux code, but never used in this way on IBM hardware. Legacy device tree used the reg property for the physical id of an spe. This patch fixes find_spu_unit_number to look for the spu id in that order. The length is checked to avoid misinterpretation in case the attributes unit-id or reg do not contain the id. Signed-off-by: Christian Krafft <krafft@de.ibm.com> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Cc: Jeremy Kerr <jk@ozlabs.org>
Diffstat (limited to 'lib/locking-selftest-wsem.h')
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