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3 Commits

Author SHA1 Message Date
Richard Cochran
653104d19a ptp: expose the programmable pins via sysfs 
This patch adds the sysfs hooks needed in order to get and set the
programmable pin settings.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-03-21 14:21:14 -04:00
Greg Kroah-Hartman
3499116b91 PTP: convert class code to use dev_groups 
The dev_attrs field of struct class is going away soon, dev_groups
should be used instead.  This converts the ptp class code to use the
correct field.

Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2013-07-26 18:05:17 -07:00
Richard Cochran
d94ba80ebb 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>
 2011-05-23 13:01:00 -07:00