WATCHDOG: octeon-wdt: Use I/O clock rate for timing calculations.
The creation of the I/O clock domain requires some adjustments. Since
the watchdog counters are clocked by the I/O clock, use its rate for
timing calculations.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-watchdog@vger.kernel.org
Patchwork: http://patchwork.linux-mips.org/patch/1659/
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/drivers/watchdog/octeon-wdt-main.c b/drivers/watchdog/octeon-wdt-main.c
index 9099238..945ee83 100644
--- a/drivers/watchdog/octeon-wdt-main.c
+++ b/drivers/watchdog/octeon-wdt-main.c
@@ -478,7 +478,7 @@
countdown_reset = periods > 2 ? periods - 2 : 0;
heartbeat = t;
- timeout_cnt = ((octeon_get_clock_rate() >> 8) * timeout_sec) >> 8;
+ timeout_cnt = ((octeon_get_io_clock_rate() >> 8) * timeout_sec) >> 8;
}
static int octeon_wdt_set_heartbeat(int t)
@@ -677,7 +677,7 @@
max_timeout_sec = 6;
do {
max_timeout_sec--;
- timeout_cnt = ((octeon_get_clock_rate() >> 8) * max_timeout_sec) >> 8;
+ timeout_cnt = ((octeon_get_io_clock_rate() >> 8) * max_timeout_sec) >> 8;
} while (timeout_cnt > 65535);
BUG_ON(timeout_cnt == 0);