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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>
34 lines
1.0 KiB
Makefile
34 lines
1.0 KiB
Makefile
# PTP 1588 clock support - User space test program
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#
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# Copyright (C) 2010 OMICRON electronics GmbH
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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CC = $(CROSS_COMPILE)gcc
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INC = -I$(KBUILD_OUTPUT)/usr/include
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CFLAGS = -Wall $(INC)
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LDLIBS = -lrt
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PROGS = testptp
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all: $(PROGS)
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testptp: testptp.o
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clean:
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rm -f testptp.o
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distclean: clean
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rm -f $(PROGS)
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