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authorMaciej Sosnowski <maciej.sosnowski@intel.com>2009-02-26 11:04:54 +0100
committerDan Williams <dan.j.williams@intel.com>2009-03-04 16:04:39 -0700
commit8b794b141c633083408d0bfb2229b3406d0ebf99 (patch)
tree767cad4cafccce7c606003088ead281b70477fe3 /crypto/testmgr.c
parentea9c717d0148d4194f9bd04ecfa6b59b20fc0a08 (diff)
I/OAT: fail initialization on zero channels detection
On some systems with I/OAT ver.2 when DCA is disabled in BIOS situations have been observed that zero DMA channels are detected instead of four. To avoid kernel panic driver should fail gracefully with appropriate message. Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'crypto/testmgr.c')
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