* and should work with all USB controllers, regardles of bus type.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <asm/scatterlist.h>
#include <linux/dma-mapping.h>
#include <linux/dmapool.h>
-
-
-#ifdef CONFIG_USB_DEBUG
- #define DEBUG
-#else
- #undef DEBUG
-#endif
-
#include <linux/usb.h>
#include "hcd.h"
char name [16];
int i, size;
+ if (!hcd->self.controller->dma_mask)
+ return 0;
+
for (i = 0; i < HCD_BUFFER_POOLS; i++) {
if (!(size = pool_max [i]))
continue;
}
-/* sometimes alloc/free could use kmalloc with SLAB_DMA, for
+/* sometimes alloc/free could use kmalloc with GFP_DMA, for
* better sharing and to leverage mm/slab.c intelligence.
*/
void *hcd_buffer_alloc (
struct usb_bus *bus,
size_t size,
- int mem_flags,
+ gfp_t mem_flags,
dma_addr_t *dma
)
{
- struct usb_hcd *hcd = bus->hcpriv;
+ struct usb_hcd *hcd = bus_to_hcd(bus);
int i;
/* some USB hosts just use PIO */
dma_addr_t dma
)
{
- struct usb_hcd *hcd = bus->hcpriv;
+ struct usb_hcd *hcd = bus_to_hcd(bus);
int i;
if (!addr)