On Wed, 2011-07-27 at 20:16 +0000, Wim Van Sebroeck wrote:
> The WatchDog Timer Driver Core is a framework
> that contains the common code for all watchdog-driver's.
> It also introduces a watchdog device structure and the
> operations that go with it.
>
> This is the introduction of this framework. This part
> supports the minimal watchdog userspace API (or with
> other words: the functionality to use /dev/watchdog's
> open, release and write functionality as defined in
> the simplest watchdog API). Extra functionality will
> follow in the next set of patches.
Perhaps add some logging helpers to the .h?
#define wdd_emerg(wd, fmt, ...) \
pr_emerg("%s: " fmt, (wd)->info->identity, ##__VA_ARGS__)
#define wdd_crit(wd, fmt, ...) \
pr_crit("%s: " fmt, (wd)->info->identity, ##__VA_ARGS__)
#define wdd_alert(wd, fmt, ...) \
pr_alert("%s: " fmt, (wd)->info->identity, ##__VA_ARGS__)
#define wdd_err(wd, fmt, ...) \
pr_err("%s: " fmt, (wd)->info->identity, ##__VA_ARGS__)
#define wdd_notice(wd, fmt, ...) \
pr_notice("%s: " fmt, (wd)->info->identity, ##__VA_ARGS__)
#define wdd_warn(wd, fmt, ...) \
pr_warn("%s: " fmt, (wd)->info->identity, ##__VA_ARGS__)
#define wdd_info(wd, fmt, ...) \
pr_info("%s: " fmt, (wd)->info->identity, ##__VA_ARGS__)
#define wdd_dbg(wd, fmt, ...) \
pr_debug("%s: " fmt, (wd)->info->identity, ##__VA_ARGS__)
> + err = misc_register(&watchdog_miscdev);
> + if (err != 0) {
> + pr_err("%s: cannot register miscdev on minor=%d (err=%d).\n",
> + watchdog->info->identity, WATCHDOG_MINOR, err);
wdd_err(watchdog, "cannot register watchdog on minor %d, err: %d\n",
WATCHDOG_MINOR, err);
etc...
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