Hi, This patch set introduces 3 helpers for handling usb read, write and write_async command, and replaces the low level's implemention with the generic ones. This patchset is a cleanup and about 300 lines code is saved. Also, the patchset fixes problem of DMA on buffer embedded inside one dynamic allocated buffer, and such usages can be found in cdc-ncm, sierra_net, mcs7830 and asix drivers. v2: - rebase on 3.7.0-rc2-next-20121025, only 01 and 03 changed v1: - drop previous patch 12 drivers/net/usb/asix_common.c | 117 ++++-------------------------------- drivers/net/usb/cdc_ncm.c | 85 ++++++++++---------------- drivers/net/usb/dm9601.c | 107 +++++---------------------------- drivers/net/usb/int51x1.c | 52 +--------------- drivers/net/usb/mcs7830.c | 85 ++------------------------ drivers/net/usb/net1080.c | 110 ++++++++++------------------------ drivers/net/usb/plusb.c | 11 ++-- drivers/net/usb/sierra_net.c | 45 ++++++-------- drivers/net/usb/smsc75xx.c | 39 +++++------- drivers/net/usb/smsc95xx.c | 115 +++++++++-------------------------- drivers/net/usb/usbnet.c | 132 +++++++++++++++++++++++++++++++++++++++++ include/linux/usb/usbnet.h | 6 ++ 12 files changed, 298 insertions(+), 606 deletions(-) Thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html