sparc: Make SBUS DMA interfaces take struct device.
This is the first step in converting all the SBUS drivers
over to generic dma_*().
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/include/asm/sbus_32.h b/arch/sparc/include/asm/sbus_32.h
index a7b4fa2..61d99f1 100644
--- a/arch/sparc/include/asm/sbus_32.h
+++ b/arch/sparc/include/asm/sbus_32.h
@@ -109,8 +109,8 @@
extern void sbus_fill_device_irq(struct sbus_dev *);
/* These yield IOMMU mappings in consistent mode. */
-extern void *sbus_alloc_consistent(struct sbus_dev *, long, u32 *dma_addrp);
-extern void sbus_free_consistent(struct sbus_dev *, long, void *, u32);
+extern void *sbus_alloc_consistent(struct device *, long, u32 *dma_addrp);
+extern void sbus_free_consistent(struct device *, long, void *, u32);
void prom_adjust_ranges(struct linux_prom_ranges *, int,
struct linux_prom_ranges *, int);
@@ -120,18 +120,14 @@
#define SBUS_DMA_NONE DMA_NONE
/* All the rest use streaming mode mappings. */
-extern dma_addr_t sbus_map_single(struct sbus_dev *, void *, size_t, int);
-extern void sbus_unmap_single(struct sbus_dev *, dma_addr_t, size_t, int);
-extern int sbus_map_sg(struct sbus_dev *, struct scatterlist *, int, int);
-extern void sbus_unmap_sg(struct sbus_dev *, struct scatterlist *, int, int);
+extern dma_addr_t sbus_map_single(struct device *, void *, size_t, int);
+extern void sbus_unmap_single(struct device *, dma_addr_t, size_t, int);
+extern int sbus_map_sg(struct device *, struct scatterlist *, int, int);
+extern void sbus_unmap_sg(struct device *, struct scatterlist *, int, int);
/* Finally, allow explicit synchronization of streamable mappings. */
-extern void sbus_dma_sync_single_for_cpu(struct sbus_dev *, dma_addr_t, size_t, int);
-#define sbus_dma_sync_single sbus_dma_sync_single_for_cpu
-extern void sbus_dma_sync_single_for_device(struct sbus_dev *, dma_addr_t, size_t, int);
-extern void sbus_dma_sync_sg_for_cpu(struct sbus_dev *, struct scatterlist *, int, int);
-#define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu
-extern void sbus_dma_sync_sg_for_device(struct sbus_dev *, struct scatterlist *, int, int);
+extern void sbus_dma_sync_single_for_cpu(struct device *, dma_addr_t, size_t, int);
+extern void sbus_dma_sync_single_for_device(struct device *, dma_addr_t, size_t, int);
/* Eric Brower (ebrower@usa.net)
* Translate SBus interrupt levels to ino values--
diff --git a/arch/sparc/include/asm/sbus_64.h b/arch/sparc/include/asm/sbus_64.h
index b606c14..b22e99d 100644
--- a/arch/sparc/include/asm/sbus_64.h
+++ b/arch/sparc/include/asm/sbus_64.h
@@ -100,17 +100,16 @@
extern void sbus_set_sbus64(struct sbus_dev *, int);
extern void sbus_fill_device_irq(struct sbus_dev *);
-static inline void *sbus_alloc_consistent(struct sbus_dev *sdev , size_t size,
+static inline void *sbus_alloc_consistent(struct device *dev , size_t size,
dma_addr_t *dma_handle)
{
- return dma_alloc_coherent(&sdev->ofdev.dev, size,
- dma_handle, GFP_ATOMIC);
+ return dma_alloc_coherent(dev, size, dma_handle, GFP_ATOMIC);
}
-static inline void sbus_free_consistent(struct sbus_dev *sdev, size_t size,
+static inline void sbus_free_consistent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle)
{
- return dma_free_coherent(&sdev->ofdev.dev, size, vaddr, dma_handle);
+ return dma_free_coherent(dev, size, vaddr, dma_handle);
}
#define SBUS_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL
@@ -119,68 +118,51 @@
#define SBUS_DMA_NONE DMA_NONE
/* All the rest use streaming mode mappings. */
-static inline dma_addr_t sbus_map_single(struct sbus_dev *sdev, void *ptr,
+static inline dma_addr_t sbus_map_single(struct device *dev, void *ptr,
size_t size, int direction)
{
- return dma_map_single(&sdev->ofdev.dev, ptr, size,
+ return dma_map_single(dev, ptr, size,
(enum dma_data_direction) direction);
}
-static inline void sbus_unmap_single(struct sbus_dev *sdev,
+static inline void sbus_unmap_single(struct device *dev,
dma_addr_t dma_addr, size_t size,
int direction)
{
- dma_unmap_single(&sdev->ofdev.dev, dma_addr, size,
+ dma_unmap_single(dev, dma_addr, size,
(enum dma_data_direction) direction);
}
-static inline int sbus_map_sg(struct sbus_dev *sdev, struct scatterlist *sg,
+static inline int sbus_map_sg(struct device *dev, struct scatterlist *sg,
int nents, int direction)
{
- return dma_map_sg(&sdev->ofdev.dev, sg, nents,
+ return dma_map_sg(dev, sg, nents,
(enum dma_data_direction) direction);
}
-static inline void sbus_unmap_sg(struct sbus_dev *sdev, struct scatterlist *sg,
+static inline void sbus_unmap_sg(struct device *dev, struct scatterlist *sg,
int nents, int direction)
{
- dma_unmap_sg(&sdev->ofdev.dev, sg, nents,
+ dma_unmap_sg(dev, sg, nents,
(enum dma_data_direction) direction);
}
/* Finally, allow explicit synchronization of streamable mappings. */
-static inline void sbus_dma_sync_single_for_cpu(struct sbus_dev *sdev,
+static inline void sbus_dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle,
size_t size, int direction)
{
- dma_sync_single_for_cpu(&sdev->ofdev.dev, dma_handle, size,
+ dma_sync_single_for_cpu(dev, dma_handle, size,
(enum dma_data_direction) direction);
}
-#define sbus_dma_sync_single sbus_dma_sync_single_for_cpu
-static inline void sbus_dma_sync_single_for_device(struct sbus_dev *sdev,
+static inline void sbus_dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle,
size_t size, int direction)
{
/* No flushing needed to sync cpu writes to the device. */
}
-static inline void sbus_dma_sync_sg_for_cpu(struct sbus_dev *sdev,
- struct scatterlist *sg,
- int nents, int direction)
-{
- dma_sync_sg_for_cpu(&sdev->ofdev.dev, sg, nents,
- (enum dma_data_direction) direction);
-}
-#define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu
-
-static inline void sbus_dma_sync_sg_for_device(struct sbus_dev *sdev,
- struct scatterlist *sg,
- int nents, int direction)
-{
- /* No flushing needed to sync cpu writes to the device. */
-}
-
extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);
extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *);
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index f6158c4..aa73b3b 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -300,11 +300,10 @@
* Allocate a chunk of memory suitable for DMA.
* Typically devices use them for control blocks.
* CPU may access them without any explicit flushing.
- *
- * XXX Some clever people know that sdev is not used and supply NULL. Watch.
*/
-void *sbus_alloc_consistent(struct sbus_dev *sdev, long len, u32 *dma_addrp)
+void *sbus_alloc_consistent(struct device *dev, long len, u32 *dma_addrp)
{
+ struct of_device *op = to_of_device(dev);
unsigned long len_total = (len + PAGE_SIZE-1) & PAGE_MASK;
unsigned long va;
struct resource *res;
@@ -341,10 +340,7 @@
if (mmu_map_dma_area(dma_addrp, va, res->start, len_total) != 0)
goto err_noiommu;
- /* Set the resource name, if known. */
- if (sdev) {
- res->name = sdev->prom_name;
- }
+ res->name = op->node->name;
return (void *)(unsigned long)res->start;
@@ -358,7 +354,7 @@
return NULL;
}
-void sbus_free_consistent(struct sbus_dev *sdev, long n, void *p, u32 ba)
+void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba)
{
struct resource *res;
struct page *pgv;
@@ -396,8 +392,10 @@
* CPU view of this memory may be inconsistent with
* a device view and explicit flushing is necessary.
*/
-dma_addr_t sbus_map_single(struct sbus_dev *sdev, void *va, size_t len, int direction)
+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;
@@ -409,13 +407,16 @@
return mmu_get_scsi_one(va, len, sdev->bus);
}
-void sbus_unmap_single(struct sbus_dev *sdev, dma_addr_t ba, size_t n, int direction)
+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);
}
-int sbus_map_sg(struct sbus_dev *sdev, struct scatterlist *sg, int n, int direction)
+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);
/*
@@ -425,16 +426,19 @@
return n;
}
-void sbus_unmap_sg(struct sbus_dev *sdev, 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);
}
/*
*/
-void sbus_dma_sync_single_for_cpu(struct sbus_dev *sdev, dma_addr_t ba, size_t size, int direction)
+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;
@@ -452,9 +456,10 @@
#endif
}
-void sbus_dma_sync_single_for_device(struct sbus_dev *sdev, dma_addr_t ba, size_t size, int direction)
+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;
@@ -472,16 +477,6 @@
#endif
}
-void sbus_dma_sync_sg_for_cpu(struct sbus_dev *sdev, struct scatterlist *sg, int n, int direction)
-{
- printk("sbus_dma_sync_sg_for_cpu: not implemented yet\n");
-}
-
-void sbus_dma_sync_sg_for_device(struct sbus_dev *sdev, struct scatterlist *sg, int n, int direction)
-{
- printk("sbus_dma_sync_sg_for_device: not implemented yet\n");
-}
-
/* Support code for sbus_init(). */
/*
* XXX This functions appears to be a distorted version of
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index 8a392d3..9d85a83 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -163,8 +163,6 @@
EXPORT_SYMBOL(sbus_unmap_sg);
EXPORT_SYMBOL(sbus_dma_sync_single_for_cpu);
EXPORT_SYMBOL(sbus_dma_sync_single_for_device);
-EXPORT_SYMBOL(sbus_dma_sync_sg_for_cpu);
-EXPORT_SYMBOL(sbus_dma_sync_sg_for_device);
EXPORT_SYMBOL(sbus_iounmap);
EXPORT_SYMBOL(sbus_ioremap);
#endif