[PATCH 1/8] Fix a few existing lines that checkpatch.pl will complain about later.

[Bill Sumner]

Things like:
1. no space before tabs
2. no initialization of static variables to 0 or NULL
3. no extra parentheses around the value on the 'return' statement
4. no line over 80-characters

Signed-off-by: Bill Sumner <bill.sumner at hp.com>
---
 drivers/iommu/intel-iommu.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index a22c86c..8abcb6c 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -72,7 +72,7 @@
    to match. That way, we can use 'unsigned long' for PFNs with impunity. */
 #define DOMAIN_MAX_PFN(gaw)	((unsigned long) min_t(uint64_t, \
 				__DOMAIN_MAX_PFN(gaw), (unsigned long)-1))
-#define DOMAIN_MAX_ADDR(gaw)	(((uint64_t)__DOMAIN_MAX_PFN(gaw)) << VTD_PAGE_SHIFT)
+#define DOMAIN_MAX_ADDR(gaw) (((uint64_t)__DOMAIN_MAX_PFN(gaw)) << VTD_PAGE_SHIFT)
 
 #define IOVA_PFN(addr)		((addr) >> PAGE_SHIFT)
 #define DMA_32BIT_PFN		IOVA_PFN(DMA_BIT_MASK(32))
@@ -175,7 +175,7 @@ static int rwbf_quirk;
  * set to 1 to panic kernel if can't successfully enable VT-d
  * (used when kernel is launched w/ TXT)
  */
-static int force_on = 0;
+static int force_on;
 
 /*
  * 0: Present
@@ -190,7 +190,7 @@ struct root_entry {
 #define ROOT_ENTRY_NR (VTD_PAGE_SIZE/sizeof(struct root_entry))
 static inline bool root_present(struct root_entry *root)
 {
-	return (root->val & 1);
+	return root->val & 1;
 }
 static inline void set_root_present(struct root_entry *root)
 {
@@ -228,7 +228,7 @@ struct context_entry {
 
 static inline bool context_present(struct context_entry *context)
 {
-	return (context->lo & 1);
+	return context->lo & 1;
 }
 static inline void context_set_present(struct context_entry *context)
 {
@@ -306,7 +306,7 @@ static inline bool dma_pte_present(struct dma_pte *pte)
 
 static inline bool dma_pte_superpage(struct dma_pte *pte)
 {
-	return (pte->val & (1 << 7));
+	return pte->val & (1 << 7);
 }
 
 static inline int first_pte_in_page(struct dma_pte *pte)
@@ -317,7 +317,7 @@ static inline int first_pte_in_page(struct dma_pte *pte)
 /*
  * This domain is a statically identity mapping domain.
  *	1. This domain creats a static 1:1 mapping to all usable memory.
- * 	2. It maps to each iommu if successful.
+ *	2. It maps to each iommu if successful.
  *	3. Each iommu mapps to this domain if successful.
  */
 static struct dmar_domain *si_domain;
@@ -347,7 +347,7 @@ struct dmar_domain {
 	DECLARE_BITMAP(iommu_bmp, IOMMU_UNITS_SUPPORTED);
 					/* bitmap of iommus this domain uses*/
 
-	struct list_head devices; 	/* all devices' list */
+	struct list_head devices;	/* all devices' list */
 	struct iova_domain iovad;	/* iova's that belong to this domain */
 
 	struct dma_pte	*pgd;		/* virtual address */
-- 
Bill Sumner <bill.sumner at hp.com>