linux/include
Johan Hovold eaa3bcb06a USB: serial: generalise write buffer preparation
Generalise write buffer preparation.

This allows for drivers to manipulate (e.g. add headers) to bulk out
data before it is sent.

This adds a new function pointer to usb_serial_driver:

int (*prepare_write_buffer)(struct usb_serial_port *port,
		void **dest, size_t size, const void *src, size_t count);

The function is generic and can be used with either kfifo-based or
multi-urb writes:

If *dest is NULL the implementation should allocate dest.
If src is NULL the implementation should use the port write fifo.

If not set, a generic implementation is used which simply uses memcpy or
kfifo_out.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-20 13:21:35 -07:00
..
acpi acpi: Support IBM SMBus CMI devices 2010-03-24 14:38:37 +01:00
asm-generic dma-mapping: fix dma_sync_single_range_* 2010-05-11 17:33:41 -07:00
crypto crypto: md5 - Add export support 2010-01-17 21:55:31 +11:00
drm Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 2010-05-07 14:02:01 -07:00
keys
linux USB: serial: generalise write buffer preparation 2010-05-20 13:21:35 -07:00
math-emu Fix misspellings of "truly" in comments. 2010-02-04 11:55:45 +01:00
media V4L/DVB: saa7146: fix regression of the av7110/budget-av driver 2010-05-06 19:20:50 -03:00
mtd
net tcp: fix MD5 (RFC2385) support 2010-05-16 00:34:04 -07:00
pcmcia pcmcia: pcmcia_dev_present bugfix 2010-04-21 08:09:17 +02:00
rdma Merge branch 'misc' into for-next 2010-03-01 23:52:31 -08:00
rxrpc
scsi include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sound Merge branch 'fix/asoc' into for-linus 2010-04-07 09:54:41 +02:00
trace Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block 2010-04-09 11:50:29 -07:00
video broadsheetfb: support storing waveform 2010-03-12 15:52:34 -08:00
xen include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
Kbuild