diff options
Diffstat (limited to 'drivers/watchdog/rti_wdt.c')
| -rw-r--r-- | drivers/watchdog/rti_wdt.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c index 58c9445c0f88..d1f9ce4100a8 100644 --- a/drivers/watchdog/rti_wdt.c +++ b/drivers/watchdog/rti_wdt.c @@ -273,7 +273,8 @@ static int rti_wdt_probe(struct platform_device *pdev) set_bit(WDOG_HW_RUNNING, &wdd->status); time_left_ms = rti_wdt_get_timeleft_ms(wdd); - heartbeat_ms = readl(wdt->base + RTIDWDPRLD); + /* AM62x TRM: texp = (RTIDWDPRLD + 1) * (2^13) / RTICLK1 */ + heartbeat_ms = readl(wdt->base + RTIDWDPRLD) + 1; heartbeat_ms <<= WDT_PRELOAD_SHIFT; heartbeat_ms *= 1000; do_div(heartbeat_ms, wdt->freq); @@ -301,6 +302,7 @@ static int rti_wdt_probe(struct platform_device *pdev) node = of_parse_phandle(pdev->dev.of_node, "memory-region", 0); if (node) { ret = of_address_to_resource(node, 0, &res); + of_node_put(node); if (ret) { dev_err(dev, "No memory address assigned to the region.\n"); goto err_iomap; |