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Support watchdog depending on "mrvl,has-wdt" property

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With this commit, watchdog is supported only in case of having
"mrvl,has-wdt" property or dedicated for watchdog compatibility field
("marvell,armada-380-wdt"). There is no need to modify dts files,
as "has-wdt" property already exists.

Obtained from:  Semihalf
Sponsored by:   Stormshield
Submitted by:   Bartosz Szczepanek <bsz@semihalf.com>
Differential revision:  https://reviews.freebsd.org/D4424
This commit is contained in:
Zbigniew Bodek 2016-01-20 14:28:05 +00:00
parent 786e3fea32
commit a695f1c97f
1 changed files with 9 additions and 2 deletions
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11
sys/arm/mv/timer.c
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@ -76,6 +76,7 @@ struct mv_timer_softc {
bus_space_handle_t timer_bsh;
struct mtx timer_mtx;
struct eventtimer et;
boolean_t has_wdt;
};
static struct resource_spec mv_timer_spec[] = {
@ -160,9 +161,15 @@ mv_timer_attach(device_t dev)
sc->timer_bst = rman_get_bustag(sc->timer_res[0]);
sc->timer_bsh = rman_get_bushandle(sc->timer_res[0]);
sc->has_wdt = ofw_bus_has_prop(dev, "mrvl,has-wdt") ||
ofw_bus_is_compatible(dev, "marvell,armada-380-wdt");
mtx_init(&timer_softc->timer_mtx, "watchdog", NULL, MTX_DEF);
mv_watchdog_disable();
EVENTHANDLER_REGISTER(watchdog_list, mv_watchdog_event, sc, 0);
if (sc->has_wdt) {
mv_watchdog_disable();
EVENTHANDLER_REGISTER(watchdog_list, mv_watchdog_event, sc, 0);
}
if (ofw_bus_search_compatible(dev, mv_timer_compat)->ocd_data
== MV_WDT) {