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authorRichard Cochran <richardcochran@gmail.com>2011-04-22 10:03:08 (GMT)
committerJohn Stultz <john.stultz@linaro.org>2011-05-23 20:01:00 (GMT)
commitd94ba80ebbea17f036cecb104398fbcd788aa742 (patch)
tree7fe40228c5ea2bb77f2892b722d27155df8c1157 /arch/um/drivers
parentcaebc160ce3f76761cc62ad96ef6d6f30f54e3dd (diff)
downloadlinux-d94ba80ebbea17f036cecb104398fbcd788aa742.tar.xz
ptp: Added a brand new class driver for ptp clocks.
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 <richard.cochran@omicron.at> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: John Stultz <john.stultz@linaro.org>
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