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authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-30 10:16:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-30 10:16:11 -0700
commite4049eb8527668a6c7f97b944970b81d1316d5b0 (patch)
tree6fd80493b42a95903a75d5d5b3e6aac19d9fa805 /include/linux/usb.h
parent35d824b28fc5544d1eb7c1e3db15a1740df8ec4b (diff)
parent8a3461e2cdb719ae4796feb70054f1597005af28 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (29 commits) USB: sl811-hcd: Fix device disconnect USB: ohci-at91: fix power management hanging USB: rename usb_buffer_alloc() and usb_buffer_free() USB: ti_usb: fix printk format warning USB: gadget: s3c-hsotg: Add missing unlock USB: fix build on OMAPs if CONFIG_PM_RUNTIME is not set USB: oxu210hp: release spinlock on error path USB: serial: option: add cinterion device id USB: serial: option: ZTEAC8710 Support with Device ID 0xffff USB: serial: pl2303: Hybrid reader Uniform HCR331 USB: option: add ID for ZTE MF 330 USB: xhci: properly set endpoint context fields for periodic eps. USB: xhci: properly set the "Mult" field of the endpoint context. USB: OHCI: don't look at the root hub to get the number of ports USB: don't choose configs with no interfaces USB: cdc-acm: add another device quirk USB: fix testing the wrong variable in fs_create_by_name() usb: Fix tusb6010 for DMA API musb_core: fix musb_init_controller() error cleanup path MUSB: fix DaVinci glue layer dependency ...
Diffstat (limited to 'include/linux/usb.h')
-rw-r--r--include/linux/usb.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index ce1323c4e47..739f1fd1cc1 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1085,7 +1085,7 @@ typedef void (*usb_complete_t)(struct urb *);
* Alternatively, drivers may pass the URB_NO_xxx_DMA_MAP transfer flags,
* which tell the host controller driver that no such mapping is needed since
* the device driver is DMA-aware. For example, a device driver might
- * allocate a DMA buffer with usb_buffer_alloc() or call usb_buffer_map().
+ * allocate a DMA buffer with usb_alloc_coherent() or call usb_buffer_map().
* When these transfer flags are provided, host controller drivers will
* attempt to use the dma addresses found in the transfer_dma and/or
* setup_dma fields rather than determining a dma address themselves.
@@ -1366,11 +1366,23 @@ static inline int usb_urb_dir_out(struct urb *urb)
return (urb->transfer_flags & URB_DIR_MASK) == URB_DIR_OUT;
}
-void *usb_buffer_alloc(struct usb_device *dev, size_t size,
+void *usb_alloc_coherent(struct usb_device *dev, size_t size,
gfp_t mem_flags, dma_addr_t *dma);
-void usb_buffer_free(struct usb_device *dev, size_t size,
+void usb_free_coherent(struct usb_device *dev, size_t size,
void *addr, dma_addr_t dma);
+/* Compatible macros while we switch over */
+static inline void *usb_buffer_alloc(struct usb_device *dev, size_t size,
+ gfp_t mem_flags, dma_addr_t *dma)
+{
+ return usb_alloc_coherent(dev, size, mem_flags, dma);
+}
+static inline void usb_buffer_free(struct usb_device *dev, size_t size,
+ void *addr, dma_addr_t dma)
+{
+ return usb_free_coherent(dev, size, addr, dma);
+}
+
#if 0
struct urb *usb_buffer_map(struct urb *urb);
void usb_buffer_dmasync(struct urb *urb);