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    SubjectRe: [PATCH V7 5/8] ptp: Added a brand new class driver for ptp clocks.
    On Thursday 16 December 2010, Richard Cochran wrote:
    > This patch adds an infrastructure for hardware clocks that implement
    > IEEE 1588, the Precision Time Protocol (PTP). A class driver offers a
    > registration method to particular hardware clock drivers. Each clock is
    > presented as a standard POSIX clock.
    > The ancillary clock features are exposed in two different ways, via
    > the sysfs and by a character device.
    > Signed-off-by: Richard Cochran <>

    Looks fine to me, with one tiny comment:

    > +
    > +/* private globals */
    > +
    > +extern struct device_attribute ptp_dev_attrs[]; /* see ptp_sysfs.c */

    The declaration is in a C file, better move it into a header in order
    to make sure the definition matches the declaration.


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