diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-07-21 17:59:54 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-07-21 18:00:01 +0200 |
| commit | 994bf1c92270e3d7731ea08f1d1bd7a668314e60 (patch) | |
| tree | 4409a21eab486e53fbe350a66e8a4f28b7a720c0 /drivers/watchdog/wm831x_wdt.c | |
| parent | xtensa: Use generic config PREEMPT definition (diff) | |
| parent | Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/ke... (diff) | |
| download | linux-994bf1c92270e3d7731ea08f1d1bd7a668314e60.tar.xz linux-994bf1c92270e3d7731ea08f1d1bd7a668314e60.zip | |
Merge branch 'linus' into sched/core
Merge reason: pick up the latest scheduler fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/watchdog/wm831x_wdt.c')
| -rw-r--r-- | drivers/watchdog/wm831x_wdt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c index 8c4b2d5bb7da..871caea4e1c6 100644 --- a/drivers/watchdog/wm831x_wdt.c +++ b/drivers/watchdog/wm831x_wdt.c @@ -320,6 +320,11 @@ static int __devinit wm831x_wdt_probe(struct platform_device *pdev) struct wm831x_watchdog_pdata *pdata; int reg, ret; + if (wm831x) { + dev_err(&pdev->dev, "wm831x watchdog already registered\n"); + return -EBUSY; + } + wm831x = dev_get_drvdata(pdev->dev.parent); ret = wm831x_reg_read(wm831x, WM831X_WATCHDOG); |