[PATCH 5.10 498/563] RDMA/hns: Modify the mapping attribute of doorbell to device

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From: Yixing Liu <liuyixing1@xxxxxxxxxx>

commit 39d5534b1302189c809e90641ffae8cbdc42a8fc upstream.

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

Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Link: https://lore.kernel.org/r/20211206133652.27476-1-liangwenpeng@xxxxxxxxxx
Signed-off-by: Yixing Liu <liuyixing1@xxxxxxxxxx>
Signed-off-by: Wenpeng Liang <liangwenpeng@xxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/infiniband/hw/hns/hns_roce_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -359,7 +359,7 @@ static int hns_roce_mmap(struct ib_ucont
 		return rdma_user_mmap_io(context, vma,
 					 to_hr_ucontext(context)->uar.pfn,
 					 PAGE_SIZE,
-					 pgprot_noncached(vma->vm_page_prot),
+					 pgprot_device(vma->vm_page_prot),
 					 NULL);
 
 	/* vm_pgoff: 1 -- TPTR */





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