powerpc: Update remaining dma_mapping_ops to use map/unmap_page

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / ibmebus.c

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 9d42eb57aea3305f1ad866f6709c988363681891..64299d28f36485d3441e0b59604228e141712cb1 100644 (file)
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -79,20 +79,21 @@ static void ibmebus_free_coherent(struct device *dev,
        kfree(vaddr);
 }
 
-static dma_addr_t ibmebus_map_single(struct device *dev,
-                                    void *ptr,
-                                    size_t size,
-                                    enum dma_data_direction direction,
-                                    struct dma_attrs *attrs)
+static dma_addr_t ibmebus_map_page(struct device *dev,
+                                  struct page *page,
+                                  unsigned long offset,
+                                  size_t size,
+                                  enum dma_data_direction direction,
+                                  struct dma_attrs *attrs)
 {
-       return (dma_addr_t)(ptr);
+       return (dma_addr_t)(page_address(page) + offset);
 }
 
-static void ibmebus_unmap_single(struct device *dev,
-                                dma_addr_t dma_addr,
-                                size_t size,
-                                enum dma_data_direction direction,
-                                struct dma_attrs *attrs)
+static void ibmebus_unmap_page(struct device *dev,
+                              dma_addr_t dma_addr,
+                              size_t size,
+                              enum dma_data_direction direction,
+                              struct dma_attrs *attrs)
 {
        return;
 }
@@ -129,11 +130,11 @@ static int ibmebus_dma_supported(struct device *dev, u64 mask)
 static struct dma_mapping_ops ibmebus_dma_ops = {
        .alloc_coherent = ibmebus_alloc_coherent,
        .free_coherent  = ibmebus_free_coherent,
-       .map_single     = ibmebus_map_single,
-       .unmap_single   = ibmebus_unmap_single,
        .map_sg         = ibmebus_map_sg,
        .unmap_sg       = ibmebus_unmap_sg,
        .dma_supported  = ibmebus_dma_supported,
+       .map_page       = ibmebus_map_page,
+       .unmap_page     = ibmebus_unmap_page,
 };
 
 static int ibmebus_match_path(struct device *dev, void *data)
@@ -233,17 +234,6 @@ void ibmebus_free_irq(u32 ist, void *dev_id)
 }
 EXPORT_SYMBOL(ibmebus_free_irq);
 
-static ssize_t name_show(struct device *dev,
-                        struct device_attribute *attr, char *buf)
-{
-       return sprintf(buf, "%s\n", to_of_device(dev)->node->name);
-}
-
-static struct device_attribute ibmebus_dev_attrs[] = {
-       __ATTR_RO(name),
-       __ATTR_NULL
-};
-
 static char *ibmebus_chomp(const char *in, size_t count)
 {
        char *out = kmalloc(count + 1, GFP_KERNEL);
@@ -327,7 +317,6 @@ static struct bus_attribute ibmebus_bus_attrs[] = {
 
 struct bus_type ibmebus_bus_type = {
        .uevent    = of_device_uevent,
-       .dev_attrs = ibmebus_dev_attrs,
        .bus_attrs = ibmebus_bus_attrs
 };
 EXPORT_SYMBOL(ibmebus_bus_type);