vserver 1.9.5.x5

[linux-2.6.git] / arch / sh / drivers / pci / dma-dreamcast.c

diff --git a/arch/sh/drivers/pci/dma-dreamcast.c b/arch/sh/drivers/pci/dma-dreamcast.c
index ff61697..83de7ef 100644 (file)
--- a/arch/sh/drivers/pci/dma-dreamcast.c
+++ b/arch/sh/drivers/pci/dma-dreamcast.c
@@ -23,6 +23,8 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/device.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -30,18 +32,21 @@
 
 static int gapspci_dma_used = 0;
 
-void *__pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
-                          dma_addr_t * dma_handle)
+void *dreamcast_consistent_alloc(struct device *dev, size_t size,
+                                dma_addr_t *dma_handle, int flag)
 {
        unsigned long buf;
 
-       if (gapspci_dma_used+size > GAPSPCI_DMA_SIZE)
+       if (dev && dev->bus != &pci_bus_type)
                return NULL;
 
-       buf = GAPSPCI_DMA_BASE+gapspci_dma_used;
+       if (gapspci_dma_used + size > GAPSPCI_DMA_SIZE)
+               return ERR_PTR(-EINVAL);
+
+       buf = GAPSPCI_DMA_BASE + gapspci_dma_used;
 
        gapspci_dma_used = PAGE_ALIGN(gapspci_dma_used+size);
-       
+
        *dma_handle = (dma_addr_t)buf;
 
        buf = P2SEGADDR(buf);
@@ -52,10 +57,15 @@ void *__pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
        return (void *)buf;
 }
 
-void __pci_free_consistent(struct pci_dev *hwdev, size_t size,
+int dreamcast_consistent_free(struct device *dev, size_t size,
                         void *vaddr, dma_addr_t dma_handle)
 {
+       if (dev && dev->bus != &pci_bus_type)
+               return -EINVAL;
+
        /* XXX */
        gapspci_dma_used = 0;
+
+       return 0;
 }