diff options
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cq.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_provider.c | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index b5aea7b869f6..5687c3014522 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -373,8 +373,12 @@ static int handle_error_cqe(struct mthca_dev *dev, struct mthca_cq *cq, * If we're at the end of the WQE chain, or we've used up our * doorbell count, free the CQE. Otherwise just update it for * the next poll operation. + * + * This does not apply to mem-free HCAs: they don't use the + * doorbell count field, and so we should always free the CQE. */ - if (!(new_wqe & cpu_to_be32(0x3f)) || (!cqe->db_cnt && dbd)) + if (mthca_is_memfree(dev) || + !(new_wqe & cpu_to_be32(0x3f)) || (!cqe->db_cnt && dbd)) return 0; cqe->db_cnt = cpu_to_be16(be16_to_cpu(cqe->db_cnt) - dbd); diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 7a58ce90e179..81919a7b4935 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -349,9 +349,9 @@ static int mthca_mmap_uar(struct ib_ucontext *context, vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - if (remap_pfn_range(vma, vma->vm_start, - to_mucontext(context)->uar.pfn, - PAGE_SIZE, vma->vm_page_prot)) + if (io_remap_pfn_range(vma, vma->vm_start, + to_mucontext(context)->uar.pfn, + PAGE_SIZE, vma->vm_page_prot)) return -EAGAIN; return 0; |