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path: root/drivers/usb/core/buffer.c
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Diffstat (limited to 'drivers/usb/core/buffer.c')
-rw-r--r--drivers/usb/core/buffer.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index 28d4972f7ad..acd9f00a0b7 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -53,7 +53,8 @@ int hcd_buffer_create(struct usb_hcd *hcd)
char name[16];
int i, size;
- if (!hcd->self.controller->dma_mask)
+ if (!hcd->self.controller->dma_mask &&
+ !(hcd->driver->flags & HCD_LOCAL_MEM))
return 0;
for (i = 0; i < HCD_BUFFER_POOLS; i++) {
@@ -107,7 +108,8 @@ void *hcd_buffer_alloc(
int i;
/* some USB hosts just use PIO */
- if (!bus->controller->dma_mask) {
+ if (!bus->controller->dma_mask &&
+ !(hcd->driver->flags & HCD_LOCAL_MEM)) {
*dma = ~(dma_addr_t) 0;
return kmalloc(size, mem_flags);
}
@@ -132,7 +134,8 @@ void hcd_buffer_free(
if (!addr)
return;
- if (!bus->controller->dma_mask) {
+ if (!bus->controller->dma_mask &&
+ !(hcd->driver->flags & HCD_LOCAL_MEM)) {
kfree(addr);
return;
}