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IB/ehca: Fix bitmask handling for lock_hcalls

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Fix reading hcall locking capability bit from device capabilities.

Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Alexander Schmidt 2010-06-10 09:06:53 +00:00 committed by Roland Dreier
parent 589643be66
commit 91fb0dd9cb
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/ehca/ehca_main.c
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@ -360,7 +360,8 @@ static int ehca_sense_attributes(struct ehca_shca *shca)
* a firmware property, so it's valid across all adapters
*/
if (ehca_lock_hcalls == -1)
ehca_lock_hcalls = !(shca->hca_cap & HCA_CAP_H_ALLOC_RES_SYNC);
ehca_lock_hcalls = !EHCA_BMASK_GET(HCA_CAP_H_ALLOC_RES_SYNC,
shca->hca_cap);
/* translate supported MR page sizes; always support 4K */
shca->hca_cap_mr_pgsize = EHCA_PAGESIZE;