sparc32: Make mmu_{get,release}_*() take a struct device pointer.

Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 47 insertions, 53 deletions

diff --git a/arch/sparc/include/asm/dma.h b/arch/sparc/include/asm/dma.h
index 493563446790..5955177ec752 100644
--- a/arch/sparc/include/asm/dma.h
+++ b/arch/sparc/include/asm/dma.h
@@ -100,16 +100,20 @@ BTFIXUPDEF_CALL(void,   mmu_unlockarea, char *, unsigned long)
 #define mmu_lockarea(vaddr,len) BTFIXUP_CALL(mmu_lockarea)(vaddr,len)
 #define mmu_unlockarea(vaddr,len) BTFIXUP_CALL(mmu_unlockarea)(vaddr,len)
 
+struct page;
+struct device;
+struct scatterlist;
+
 /* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */
-BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, char *, unsigned long, struct sbus_bus *sbus)
-BTFIXUPDEF_CALL(void,  mmu_get_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
-BTFIXUPDEF_CALL(void,  mmu_release_scsi_one, __u32, unsigned long, struct sbus_bus *sbus)
-BTFIXUPDEF_CALL(void,  mmu_release_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
-
-#define mmu_get_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_get_scsi_one)(vaddr,len,sbus)
-#define mmu_get_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_get_scsi_sgl)(sg,sz,sbus)
-#define mmu_release_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_release_scsi_one)(vaddr,len,sbus)
-#define mmu_release_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_release_scsi_sgl)(sg,sz,sbus)
+BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, struct device *, char *, unsigned long)
+BTFIXUPDEF_CALL(void,  mmu_get_scsi_sgl, struct device *, struct scatterlist *, int)
+BTFIXUPDEF_CALL(void,  mmu_release_scsi_one, struct device *, __u32, unsigned long)
+BTFIXUPDEF_CALL(void,  mmu_release_scsi_sgl, struct device *, struct scatterlist *, int)
+
+#define mmu_get_scsi_one(dev,vaddr,len) BTFIXUP_CALL(mmu_get_scsi_one)(dev,vaddr,len)
+#define mmu_get_scsi_sgl(dev,sg,sz) BTFIXUP_CALL(mmu_get_scsi_sgl)(dev,sg,sz)
+#define mmu_release_scsi_one(dev,vaddr,len) BTFIXUP_CALL(mmu_release_scsi_one)(dev,vaddr,len)
+#define mmu_release_scsi_sgl(dev,sg,sz) BTFIXUP_CALL(mmu_release_scsi_sgl)(dev,sg,sz)
 
 /*
  * mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep.
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index aa73b3b71e85..11dccf945153 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -394,8 +394,6 @@ void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba)
  */
 dma_addr_t sbus_map_single(struct device *dev, void *va, size_t len, int direction)
 {
-        struct sbus_dev *sdev = to_sbus_device(dev);
-
         /* XXX why are some lengths signed, others unsigned? */
         if (len <= 0) {
                 return 0;
@@ -404,20 +402,17 @@ dma_addr_t sbus_map_single(struct device *dev, void *va, size_t len, int directi
         if (len > 256*1024) {                   /* __get_free_pages() limit */
                 return 0;
         }
-        return mmu_get_scsi_one(va, len, sdev->bus);
+        return mmu_get_scsi_one(dev, va, len);
 }
 
 void sbus_unmap_single(struct device *dev, dma_addr_t ba, size_t n, int direction)
 {
-        struct sbus_dev *sdev = to_sbus_device(dev);
-        mmu_release_scsi_one(ba, n, sdev->bus);
+        mmu_release_scsi_one(dev, ba, n);
 }
 
 int sbus_map_sg(struct device *dev, struct scatterlist *sg, int n, int direction)
 {
-        struct sbus_dev *sdev = to_sbus_device(dev);
-
-        mmu_get_scsi_sgl(sg, n, sdev->bus);
+        mmu_get_scsi_sgl(dev, sg, n);
 
         /*
          * XXX sparc64 can return a partial length here. sun4c should do this
@@ -428,9 +423,7 @@ int sbus_map_sg(struct device *dev, struct scatterlist *sg, int n, int direction
 
 void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n, int direction)
 {
-        struct sbus_dev *sdev = to_sbus_device(dev);
-
-        mmu_release_scsi_sgl(sg, n, sdev->bus);
+        mmu_release_scsi_sgl(dev, sg, n);
 }
 
 /*
@@ -438,7 +431,6 @@ void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n, int direct
 void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size, int direction)
 {
 #if 0
-        struct sbus_dev *sdev = to_sbus_device(dev);
         unsigned long va;
         struct resource *res;
 
@@ -459,7 +451,6 @@ void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size
 void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t size, int direction)
 {
 #if 0
-        struct sbus_dev *sdev = to_sbus_device(dev);
         unsigned long va;
         struct resource *res;
 
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 1093514a5773..4239655a6aaf 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -125,10 +125,10 @@ nexti:	scan = find_next_zero_bit(iounit->bmap, limit, scan);
         return vaddr;
 }
 
-static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus *sbus)
+static __u32 iounit_get_scsi_one(struct device *dev, char *vaddr, unsigned long len)
 {
+        struct iounit_struct *iounit = dev->archdata.iommu;
         unsigned long ret, flags;
-        struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
         
         spin_lock_irqsave(&iounit->lock, flags);
         ret = iounit_get_area(iounit, (unsigned long)vaddr, len);
@@ -136,10 +136,10 @@ static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus
         return ret;
 }
 
-static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
+static void iounit_get_scsi_sgl(struct device *dev, struct scatterlist *sg, int sz)
 {
+        struct iounit_struct *iounit = dev->archdata.iommu;
         unsigned long flags;
-        struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
 
         /* FIXME: Cache some resolved pages - often several sg entries are to the same page */
         spin_lock_irqsave(&iounit->lock, flags);
@@ -152,10 +152,10 @@ static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus
         spin_unlock_irqrestore(&iounit->lock, flags);
 }
 
-static void iounit_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_bus *sbus)
+static void iounit_release_scsi_one(struct device *dev, __u32 vaddr, unsigned long len)
 {
+        struct iounit_struct *iounit = dev->archdata.iommu;
         unsigned long flags;
-        struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
         
         spin_lock_irqsave(&iounit->lock, flags);
         len = ((vaddr & ~PAGE_MASK) + len + (PAGE_SIZE-1)) >> PAGE_SHIFT;
@@ -166,11 +166,11 @@ static void iounit_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_
         spin_unlock_irqrestore(&iounit->lock, flags);
 }
 
-static void iounit_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
+static void iounit_release_scsi_sgl(struct device *dev, struct scatterlist *sg, int sz)
 {
+        struct iounit_struct *iounit = dev->archdata.iommu;
         unsigned long flags;
         unsigned long vaddr, len;
-        struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
 
         spin_lock_irqsave(&iounit->lock, flags);
         while (sz != 0) {
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index a86c9f552fa1..8e9ab930f097 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -169,9 +169,9 @@ static void iommu_flush_iotlb(iopte_t *iopte, unsigned int niopte)
         }
 }
 
-static u32 iommu_get_one(struct page *page, int npages, struct sbus_bus *sbus)
+static u32 iommu_get_one(struct device *dev, struct page *page, int npages)
 {
-        struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu;
+        struct iommu_struct *iommu = dev->archdata.iommu;
         int ioptex;
         iopte_t *iopte, *iopte0;
         unsigned int busa, busa0;
@@ -199,8 +199,7 @@ static u32 iommu_get_one(struct page *page, int npages, struct sbus_bus *sbus)
         return busa0;
 }
 
-static u32 iommu_get_scsi_one(char *vaddr, unsigned int len,
-    struct sbus_bus *sbus)
+static u32 iommu_get_scsi_one(struct device *dev, char *vaddr, unsigned int len)
 {
         unsigned long off;
         int npages;
@@ -210,22 +209,22 @@ static u32 iommu_get_scsi_one(char *vaddr, unsigned int len,
         off = (unsigned long)vaddr & ~PAGE_MASK;
         npages = (off + len + PAGE_SIZE-1) >> PAGE_SHIFT;
         page = virt_to_page((unsigned long)vaddr & PAGE_MASK);
-        busa = iommu_get_one(page, npages, sbus);
+        busa = iommu_get_one(dev, page, npages);
         return busa + off;
 }
 
-static __u32 iommu_get_scsi_one_noflush(char *vaddr, unsigned long len, struct sbus_bus *sbus)
+static __u32 iommu_get_scsi_one_noflush(struct device *dev, char *vaddr, unsigned long len)
 {
-        return iommu_get_scsi_one(vaddr, len, sbus);
+        return iommu_get_scsi_one(dev, vaddr, len);
 }
 
-static __u32 iommu_get_scsi_one_gflush(char *vaddr, unsigned long len, struct sbus_bus *sbus)
+static __u32 iommu_get_scsi_one_gflush(struct device *dev, char *vaddr, unsigned long len)
 {
         flush_page_for_dma(0);
-        return iommu_get_scsi_one(vaddr, len, sbus);
+        return iommu_get_scsi_one(dev, vaddr, len);
 }
 
-static __u32 iommu_get_scsi_one_pflush(char *vaddr, unsigned long len, struct sbus_bus *sbus)
+static __u32 iommu_get_scsi_one_pflush(struct device *dev, char *vaddr, unsigned long len)
 {
         unsigned long page = ((unsigned long) vaddr) & PAGE_MASK;
 
@@ -233,23 +232,23 @@ static __u32 iommu_get_scsi_one_pflush(char *vaddr, unsigned long len, struct sb
                 flush_page_for_dma(page);
                 page += PAGE_SIZE;
         }
-        return iommu_get_scsi_one(vaddr, len, sbus);
+        return iommu_get_scsi_one(dev, vaddr, len);
 }
 
-static void iommu_get_scsi_sgl_noflush(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
+static void iommu_get_scsi_sgl_noflush(struct device *dev, struct scatterlist *sg, int sz)
 {
         int n;
 
         while (sz != 0) {
                 --sz;
                 n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
-                sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
+                sg->dvma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset;
                 sg->dvma_length = (__u32) sg->length;
                 sg = sg_next(sg);
         }
 }
 
-static void iommu_get_scsi_sgl_gflush(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
+static void iommu_get_scsi_sgl_gflush(struct device *dev, struct scatterlist *sg, int sz)
 {
         int n;
 
@@ -257,13 +256,13 @@ static void iommu_get_scsi_sgl_gflush(struct scatterlist *sg, int sz, struct sbu
         while (sz != 0) {
                 --sz;
                 n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
-                sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
+                sg->dvma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset;
                 sg->dvma_length = (__u32) sg->length;
                 sg = sg_next(sg);
         }
 }
 
-static void iommu_get_scsi_sgl_pflush(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
+static void iommu_get_scsi_sgl_pflush(struct device *dev, struct scatterlist *sg, int sz)
 {
         unsigned long page, oldpage = 0;
         int n, i;
@@ -288,15 +287,15 @@ static void iommu_get_scsi_sgl_pflush(struct scatterlist *sg, int sz, struct sbu
                         }
                 }
 
-                sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
+                sg->dvma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset;
                 sg->dvma_length = (__u32) sg->length;
                 sg = sg_next(sg);
         }
 }
 
-static void iommu_release_one(u32 busa, int npages, struct sbus_bus *sbus)
+static void iommu_release_one(struct device *dev, u32 busa, int npages)
 {
-        struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu;
+        struct iommu_struct *iommu = dev->archdata.iommu;
         int ioptex;
         int i;
 
@@ -310,17 +309,17 @@ static void iommu_release_one(u32 busa, int npages, struct sbus_bus *sbus)
         bit_map_clear(&iommu->usemap, ioptex, npages);
 }
 
-static void iommu_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_bus *sbus)
+static void iommu_release_scsi_one(struct device *dev, __u32 vaddr, unsigned long len)
 {
         unsigned long off;
         int npages;
 
         off = vaddr & ~PAGE_MASK;
         npages = (off + len + PAGE_SIZE-1) >> PAGE_SHIFT;
-        iommu_release_one(vaddr & PAGE_MASK, npages, sbus);
+        iommu_release_one(dev, vaddr & PAGE_MASK, npages);
 }
 
-static void iommu_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
+static void iommu_release_scsi_sgl(struct device *dev, struct scatterlist *sg, int sz)
 {
         int n;
 
@@ -328,7 +327,7 @@ static void iommu_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_b
                 --sz;
 
                 n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
-                iommu_release_one(sg->dvma_address & PAGE_MASK, n, sbus);
+                iommu_release_one(dev, sg->dvma_address & PAGE_MASK, n);
                 sg->dvma_address = 0x21212121;
                 sg = sg_next(sg);
         }