samples: move watchdog example code from Documentation
Move watchdog examples to samples and remove it from Documentation Makefile. Create a new Makefile to build watchdog. It can be built from top level directory or from watchdog directory: Run make -C samples/watchdog or cd samples/watchdog; make Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>hifive-unleashed-5.1
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@ -1,2 +1,2 @@
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subdir-y := accounting auxdisplay blackfin \
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subdir-y := accounting auxdisplay blackfin \
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laptops pcmcia watchdog
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laptops pcmcia
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@ -1 +0,0 @@
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subdir-y := src
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@ -1,5 +0,0 @@
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# List of programs to build
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hostprogs-y := watchdog-simple
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# Tell kbuild to always build the programs
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always := $(hostprogs-y)
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@ -37,7 +37,7 @@ activates as soon as /dev/watchdog is opened and will reboot unless
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the watchdog is pinged within a certain time, this time is called the
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the watchdog is pinged within a certain time, this time is called the
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timeout or margin. The simplest way to ping the watchdog is to write
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timeout or margin. The simplest way to ping the watchdog is to write
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some data to the device. So a very simple watchdog daemon would look
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some data to the device. So a very simple watchdog daemon would look
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like this source file: see Documentation/watchdog/src/watchdog-simple.c
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like this source file: see samples/watchdog/watchdog-simple.c
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A more advanced driver could for example check that a HTTP server is
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A more advanced driver could for example check that a HTTP server is
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still responding before doing the write call to ping the watchdog.
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still responding before doing the write call to ping the watchdog.
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@ -47,4 +47,4 @@ The external event interfaces on the WDT boards are not currently supported.
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Minor numbers are however allocated for it.
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Minor numbers are however allocated for it.
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Example Watchdog Driver: see Documentation/watchdog/src/watchdog-simple.c
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Example Watchdog Driver: see samples/watchdog/watchdog-simple.c
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@ -0,0 +1,8 @@
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CC := $(CROSS_COMPILE)gcc
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PROGS := watchdog-simple
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all: $(PROGS)
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clean:
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rm -fr $(PROGS)
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