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Commit 7364785d authored by Skylar Chang's avatar Skylar Chang
Browse files

msm: ipa3: remove noncached from IPANAT 



remove calling pgprot_noncached in IPANAT
during mmap.

Change-Id: I6b8c41dac8bf6e780b326132201476b8a582a183
Signed-off-by: default avatarSkylar Chang <chiaweic@codeaurora.org>
parent e4d26920

drivers/platform/msm/ipa/ipa_v3/ipa_nat.c

+8 −1
Original line number Diff line number Diff line
@@ -80,6 +80,7 @@ static int ipa3_nat_ipv6ct_mmap(struct file *filp, struct vm_area_struct *vma) 
	unsigned long vsize = vma->vm_end - vma->vm_start;

	unsigned long phys_addr;

	int result = 0;

	struct ipa_smmu_cb_ctx *cb = ipa3_get_smmu_ctx(IPA_SMMU_CB_AP);



	IPADBG("\n");
@@ -111,8 +112,14 @@ static int ipa3_nat_ipv6ct_mmap(struct file *filp, struct vm_area_struct *vma) 
			goto bail;

		}

	}

	/* check if smmu enable & dma_coherent mode */

	if (!cb->valid ||

		!is_device_dma_coherent(cb->dev)) {

		vma->vm_page_prot =

		pgprot_noncached(vma->vm_page_prot);

		IPADBG("App smmu enable in DMA mode\n");

	}



	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);

	if (dev->is_sys_mem) {

		IPADBG("Mapping system memory\n");

		IPADBG("map sz=0x%zx\n", dev->size);