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authorDavid Daney <ddaney@caviumnetworks.com>2010-10-07 16:03:52 -0700
committerRalf Baechle <ralf@linux-mips.org>2010-10-29 19:08:42 +0100
commit468ffde46d429fbd291b0ef43a06afe9c837629f (patch)
tree85e04da002a59f86e627aee02a5ba2a381bbf5bc /drivers/watchdog
parent1fa25ab2caf79b99094c3da6e09f20a35e8f01f8 (diff)
downloadop-kernel-dev-468ffde46d429fbd291b0ef43a06afe9c837629f.zip
op-kernel-dev-468ffde46d429fbd291b0ef43a06afe9c837629f.tar.gz
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>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/octeon-wdt-main.c4
1 files changed, 2 insertions, 2 deletions
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 @@ static void octeon_wdt_calc_parameters(int t)
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 @@ static int __init octeon_wdt_init(void)
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);
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