Felipe,

On 01/14/2014 08:04 AM, Felipe Balbi wrote:

Hi again,

On Tue, Jan 14, 2014 at 07:10:52AM -0600, Felipe Balbi wrote:

quoted

quoted

diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c
index 9f56fb2..194886e 100644
--- a/drivers/hwspinlock/omap_hwspinlock.c
+++ b/drivers/hwspinlock/omap_hwspinlock.c

@@ -101,10 +101,23 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
  	if (!io_base)
  		return -ENOMEM;

+	/*
+	 * make sure the module is enabled and clocked before reading
+	 * the module SYSSTATUS register
+	 */
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_get_sync(&pdev->dev);

another thing, you need to check return of pm_runtime_get_sync()

OK, let me check this and your other comment, and the fix is probably a 
separate patch.

regards
Suman