From: Jiang Liu <jiang.liu@linux.intel.com>
Date: Mon, 6 Jan 2014 06:18:15 +0000 (+0800)
Subject: iommu/vt-d, trivial: clean up unused code
X-Git-Tag: firefly_0821_release~176^2~4526^2^3~11
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b8a2d2881e6682464f6a832eea4c9be298d70c41;p=firefly-linux-kernel-4.4.55.git

iommu/vt-d, trivial: clean up unused code

Remove dead code from VT-d related files.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>

Conflicts:

	drivers/iommu/dmar.c
---

diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index e4c3ea022428..5a4e9afad3af 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1113,8 +1113,6 @@ static const char *irq_remap_fault_reasons[] =
 	"Blocked an interrupt request due to source-id verification failure",
 };
 
-#define MAX_FAULT_REASON_IDX 	(ARRAY_SIZE(fault_reason_strings) - 1)
-
 static const char *dmar_get_fault_reason(u8 fault_reason, int *fault_type)
 {
 	if (fault_reason >= 0x20 && (fault_reason - 0x20 <
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 01922be564ca..7a29a5e6e5a4 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -289,26 +289,6 @@ static inline void dma_clear_pte(struct dma_pte *pte)
 	pte->val = 0;
 }
 
-static inline void dma_set_pte_readable(struct dma_pte *pte)
-{
-	pte->val |= DMA_PTE_READ;
-}
-
-static inline void dma_set_pte_writable(struct dma_pte *pte)
-{
-	pte->val |= DMA_PTE_WRITE;
-}
-
-static inline void dma_set_pte_snp(struct dma_pte *pte)
-{
-	pte->val |= DMA_PTE_SNP;
-}
-
-static inline void dma_set_pte_prot(struct dma_pte *pte, unsigned long prot)
-{
-	pte->val = (pte->val & ~3) | (prot & 3);
-}
-
 static inline u64 dma_pte_addr(struct dma_pte *pte)
 {
 #ifdef CONFIG_64BIT
@@ -319,11 +299,6 @@ static inline u64 dma_pte_addr(struct dma_pte *pte)
 #endif
 }
 
-static inline void dma_set_pte_pfn(struct dma_pte *pte, unsigned long pfn)
-{
-	pte->val |= (uint64_t)pfn << VTD_PAGE_SHIFT;
-}
-
 static inline bool dma_pte_present(struct dma_pte *pte)
 {
 	return (pte->val & 3) != 0;