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RDMA/hns: Modify the mapping attribute of doorbell to device

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commit 39d5534b13 upstream.

It is more general for ARM device drivers to use the device attribute to
map PCI BAR spaces.

Fixes: 9a4435375c ("IB/hns: Add driver files for hns RoCE driver")
Link: https://lore.kernel.org/r/20211206133652.27476-1-liangwenpeng@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yixing Liu
2021-12-06 21:36:52 +08:00
committed by Chris
parent 82a3f8ad33
commit e1235ade10
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/hns/hns_roce_main.c
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@@ -556,7 +556,7 @@ static int hns_roce_mmap(struct ib_ucontext *context,
return -EINVAL;
if (vma->vm_pgoff == 0) {
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
vma->vm_page_prot = pgprot_device(vma->vm_page_prot);
if (io_remap_pfn_range(vma, vma->vm_start,
to_hr_ucontext(context)->uar.pfn,
PAGE_SIZE, vma->vm_page_prot))