Hi Yangbo, I love your patch! Perhaps something to improve:
[auto build test WARNING on net-next/master] [also build test WARNING on next-20180608] [cannot apply to v4.17] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Yangbo-Lu/Support-DPAA-PTP-clock-and-timestamping/20180608-131649 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/freescale/fman/fman_port.c:879:26: sparse: expression using sizeof(void) drivers/net/ethernet/freescale/fman/fman_port.c:879:26: sparse: expression using sizeof(void) drivers/net/ethernet/freescale/fman/fman_port.c:1035:36: sparse: expression using sizeof(void) drivers/net/ethernet/freescale/fman/fman_port.c:1247:17: sparse: expression using sizeof(void) drivers/net/ethernet/freescale/fman/fman_port.c:1249:17: sparse: expression using sizeof(void) drivers/net/ethernet/freescale/fman/fman_port.c:1249:17: sparse: expression using sizeof(void) >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 >> drivers/net/ethernet/freescale/fman/fman_port.c:1739:19: sparse: cast to >> restricted __be64 vim +1739 drivers/net/ethernet/freescale/fman/fman_port.c 1733 1734 int fman_port_get_tstamp(struct fman_port *port, const void *data, u64 *tstamp) 1735 { 1736 if (port->buffer_offsets.time_stamp_offset == ILLEGAL_BASE) 1737 return -EINVAL; 1738 > 1739 *tstamp = be64_to_cpu(*(u64 *)(data + 1740 port->buffer_offsets.time_stamp_offset)); 1741 1742 return 0; 1743 } 1744 EXPORT_SYMBOL(fman_port_get_tstamp); 1745 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
