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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-24 00:42:42 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-24 00:42:42 +0200 |
commit | 0b87da68a0f0a7bf7f7446cf64f92e672bd68ef8 (patch) | |
tree | cc5ddfd411bc9c5d6fb828b86eba92f50294805e /Documentation | |
parent | Merge tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/j... (diff) | |
parent | Documentation/watchdog: Fix the file descriptor leak when no cmdline arg given (diff) | |
download | linux-0b87da68a0f0a7bf7f7446cf64f92e672bd68ef8.tar.xz linux-0b87da68a0f0a7bf7f7446cf64f92e672bd68ef8.zip |
Merge git://www.linux-watchdog.org/linux-watchdog
Pull first set of watchdog updates from Wim Van Sebroeck:
"This pull contains:
- The removal of ixp2000_wdt
- The addition of ie6xx_wdt
- Some documentation fixes
- Small fixes and improvements
(Note: Part 2 will contain generic watchdog core changes + conversion
of some more drivers)"
* git://www.linux-watchdog.org/linux-watchdog:
Documentation/watchdog: Fix the file descriptor leak when no cmdline arg given
Documentation/watchdog: close the fd when cmdline arg given
Documentation/watchdog: Fix a small typo
watchdog: s3c2410_wdt: Set timeout to actually achieved timeout
watchdog: wm831x: Convert to gpio_request_one()
watchdog: via_wdt: depends on PCI
watchdog: ie6xx_wdt needs io.h
watchdog: ie6xx_wdt.c: fix printk format warning
watchdog: Add watchdog driver for Intel Atom E6XX
watchdog: it87_wdt: Add support for IT8728F watchdog.
watchdog: i6300esb: don't depend on X86
watchdog: Use module_pci_driver
watchdog: sch311x_wdt.c: Remove RESGEN
watchdog: s3c2410-wdt: Use of_match_ptr().
watchdog: Device tree support for pnx4008-wdt
watchdog: ar7_wdt.c: use devm_request_and_ioremap
watchdog: remove ixp2000 driver
watchdog: sp5100_tco.c: quiet sparse noise about using plain integer was NULL pointer
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/watchdog/pnx4008-wdt.txt | 13 | ||||
-rw-r--r-- | Documentation/watchdog/src/watchdog-test.c | 20 | ||||
-rw-r--r-- | Documentation/watchdog/watchdog-kernel-api.txt | 2 |
3 files changed, 31 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/pnx4008-wdt.txt b/Documentation/devicetree/bindings/watchdog/pnx4008-wdt.txt new file mode 100644 index 000000000000..7c7f6887c796 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/pnx4008-wdt.txt @@ -0,0 +1,13 @@ +* NXP PNX watchdog timer + +Required properties: +- compatible: must be "nxp,pnx4008-wdt" +- reg: physical base address of the controller and length of memory mapped + region. + +Example: + + watchdog@4003C000 { + compatible = "nxp,pnx4008-wdt"; + reg = <0x4003C000 0x1000>; + }; diff --git a/Documentation/watchdog/src/watchdog-test.c b/Documentation/watchdog/src/watchdog-test.c index 63fdc34ceb98..73ff5cc93e05 100644 --- a/Documentation/watchdog/src/watchdog-test.c +++ b/Documentation/watchdog/src/watchdog-test.c @@ -7,6 +7,7 @@ #include <string.h> #include <unistd.h> #include <fcntl.h> +#include <signal.h> #include <sys/ioctl.h> #include <linux/types.h> #include <linux/watchdog.h> @@ -29,6 +30,14 @@ static void keep_alive(void) * The main program. Run the program with "-d" to disable the card, * or "-e" to enable the card. */ + +void term(int sig) +{ + close(fd); + fprintf(stderr, "Stopping watchdog ticks...\n"); + exit(0); +} + int main(int argc, char *argv[]) { int flags; @@ -47,26 +56,31 @@ int main(int argc, char *argv[]) ioctl(fd, WDIOC_SETOPTIONS, &flags); fprintf(stderr, "Watchdog card disabled.\n"); fflush(stderr); - exit(0); + goto end; } else if (!strncasecmp(argv[1], "-e", 2)) { flags = WDIOS_ENABLECARD; ioctl(fd, WDIOC_SETOPTIONS, &flags); fprintf(stderr, "Watchdog card enabled.\n"); fflush(stderr); - exit(0); + goto end; } else { fprintf(stderr, "-d to disable, -e to enable.\n"); fprintf(stderr, "run by itself to tick the card.\n"); fflush(stderr); - exit(0); + goto end; } } else { fprintf(stderr, "Watchdog Ticking Away!\n"); fflush(stderr); } + signal(SIGINT, term); + while(1) { keep_alive(); sleep(1); } +end: + close(fd); + return 0; } diff --git a/Documentation/watchdog/watchdog-kernel-api.txt b/Documentation/watchdog/watchdog-kernel-api.txt index 227f6cd0e5fa..25fe4304f2fc 100644 --- a/Documentation/watchdog/watchdog-kernel-api.txt +++ b/Documentation/watchdog/watchdog-kernel-api.txt @@ -59,7 +59,7 @@ It contains following fields: * bootstatus: status of the device after booting (reported with watchdog WDIOF_* status bits). * driver_data: a pointer to the drivers private data of a watchdog device. - This data should only be accessed via the watchdog_set_drvadata and + This data should only be accessed via the watchdog_set_drvdata and watchdog_get_drvdata routines. * status: this field contains a number of status bits that give extra information about the status of the device (Like: is the watchdog timer |