Commit 789cd470 authored by Ulrik Bech Hald's avatar Ulrik Bech Hald Committed by Wim Van Sebroeck
Browse files

[WATCHDOG] OMAP fixes: enable clock in probe, trigger timer reload



This patch contains two fixes:

1)In omap_wdt_probe() the watchdog is reset and disabled. This
requires register access and the clks needs to be enabled temporarily

2)In omap_wdt_open() the timer register needs to be reloaded
to trigger a new timer value (the default of 60s)

Tested on OMAP34xx platform (Zoom1)
Reviewed-by: default avatarKevin Hilman <khilman@ti.deeprootsystems.com>
Signed-off-by: default avatarUlrik Bech Hald <ubh@ti.com>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 90074dce
......@@ -159,6 +159,7 @@ static int omap_wdt_open(struct inode *inode, struct file *file)
file->private_data = (void *) wdev;
omap_wdt_set_timeout(wdev);
omap_wdt_ping(wdev); /* trigger loading of new timeout value */
omap_wdt_enable(wdev);
return nonseekable_open(inode, file);
......@@ -313,6 +314,9 @@ static int __devinit omap_wdt_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, wdev);
clk_enable(wdev->ick);
clk_enable(wdev->fck);
omap_wdt_disable(wdev);
omap_wdt_adjust_timeout(timer_margin);
......@@ -332,6 +336,9 @@ static int __devinit omap_wdt_probe(struct platform_device *pdev)
/* autogate OCP interface clock */
__raw_writel(0x01, wdev->base + OMAP_WATCHDOG_SYS_CONFIG);
clk_disable(wdev->ick);
clk_disable(wdev->fck);
omap_wdt_dev = pdev;
return 0;
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment