From: Wenpeng Liang <liangwenpeng@huawei.com>
To: <jgg@nvidia.com>, <leon@kernel.org>
Cc: <linux-rdma@vger.kernel.org>, <linuxarm@huawei.com>,
<liangwenpeng@huawei.com>
Subject: [PATCH for-next] RDMA/hns: Modify the mapping attribute of doorbell to device
Date: Mon, 6 Dec 2021 21:36:52 +0800 [thread overview]
Message-ID: <20211206133652.27476-1-liangwenpeng@huawei.com> (raw)
From: Yixing Liu <liuyixing1@huawei.com>
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")
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
---
drivers/infiniband/hw/hns/hns_roce_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 8233bec053ee..a906c6078b72 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -442,7 +442,7 @@ static int hns_roce_mmap(struct ib_ucontext *uctx, struct vm_area_struct *vma)
prot = vma->vm_page_prot;
if (entry->mmap_type != HNS_ROCE_MMAP_TYPE_TPTR)
- prot = pgprot_noncached(prot);
+ prot = pgprot_device(prot);
ret = rdma_user_mmap_io(uctx, vma, pfn, rdma_entry->npages * PAGE_SIZE,
prot, rdma_entry);
--
2.33.0
next reply other threads:[~2021-12-06 13:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-06 13:36 Wenpeng Liang [this message]
2021-12-06 15:37 ` [PATCH for-next] RDMA/hns: Modify the mapping attribute of doorbell to device Jason Gunthorpe
2021-12-07 12:51 ` Wenpeng Liang
2021-12-06 23:52 ` Jason Gunthorpe
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