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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-23 15:42:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-23 15:42:42 -0700
commit0b87da68a0f0a7bf7f7446cf64f92e672bd68ef8 (patch)
treecc5ddfd411bc9c5d6fb828b86eba92f50294805e /Documentation
parent59d0952b43552570e0f1c3ff91ebb16d4caec171 (diff)
parentcad19fa66469d2a745fae0c168833d5d33d64489 (diff)
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.txt13
-rw-r--r--Documentation/watchdog/src/watchdog-test.c20
-rw-r--r--Documentation/watchdog/watchdog-kernel-api.txt2
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 00000000000..7c7f6887c79
--- /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 63fdc34ceb9..73ff5cc93e0 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 227f6cd0e5f..25fe4304f2f 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