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    SubjectRe: [v3, 07/10] fsl/fman_port: support getting timestamp
    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

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