linux-kernel - [PATCH 03/16] iommu: hisilicon: map and unmap ops gained new arguments

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Date:   Mon, 17 Aug 2020 09:50:02 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Subject: [PATCH 03/16] iommu: hisilicon: map and unmap ops gained new arguments

As both map() and unmap() ops gained new arguments upstream,
update their headers accordingly.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 drivers/staging/hikey9xx/hisi_smmu_lpae.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/hikey9xx/hisi_smmu_lpae.c b/drivers/staging/hikey9xx/hisi_smmu_lpae.c
index c5c266fb1c0b..b411ca97f2c2 100644
--- a/drivers/staging/hikey9xx/hisi_smmu_lpae.c
+++ b/drivers/staging/hikey9xx/hisi_smmu_lpae.c
@@ -346,7 +346,8 @@ int hisi_smmu_handle_mapping_lpae(struct iommu_domain *domain,
 static int hisi_smmu_map_lpae(struct iommu_domain *domain,
 			      unsigned long iova,
 			      phys_addr_t paddr, size_t size,
-			      int prot)
+			      int prot,
+			      gfp_t gfp)
 {
 	unsigned long max_iova;
 	struct iommu_domain_data *data;
@@ -437,7 +438,8 @@ unsigned int hisi_smmu_handle_unmapping_lpae(struct iommu_domain *domain,
 }
 
 static size_t hisi_smmu_unmap_lpae(struct iommu_domain *domain,
-		unsigned long iova, size_t size)
+		unsigned long iova, size_t size,
+		struct iommu_iotlb_gather *iotlb_gather)
 {
 	unsigned long max_iova;
 	unsigned int ret;
@@ -593,7 +595,7 @@ static size_t hisi_map_tile_row_lpae(struct iommu_domain *domain, unsigned long
 		/*get the start physical address*/
 		phys_addr = (unsigned long)get_phys_addr_lpae(sg) + sg_offset;
 		ret = hisi_smmu_map_lpae(domain,
-				iova + mapped_size, phys_addr, map_size, prot);
+				iova + mapped_size, phys_addr, map_size, prot, GFP_KERNEL);
 		if (ret) {
 			dbg("[%s] hisi_smmu_map failed!\n", __func__);
 			break;
@@ -719,8 +721,7 @@ static int hisi_smmu_map_tile_lpae(struct iommu_domain *domain,
 static size_t hisi_smmu_unmap_tile_lpae(struct iommu_domain *domain,
 		unsigned long iova, size_t size)
 {
-	return hisi_smmu_unmap_lpae(domain, iova, size);
-
+	return hisi_smmu_unmap_lpae(domain, iova, size, NULL);
 }
 
 static struct iommu_ops hisi_smmu_ops = {
-- 
2.26.2