Hi Suman, On Thu, Jul 3, 2014 at 2:00 AM, Suman Anna <s-anna@xxxxxx> wrote: > The number of hwspinlocks are determined based on the value read > from the IP block's SYSSTATUS register. However, the module may > not be enabled and clocked, and the read may result in a bus error. > > This particular issue is seen rather easily on AM33XX, since the > module wakeup is software controlled, and it is disabled out of > reset. Make sure the module is enabled and clocked before reading > the SYSSTATUS register. > > Signed-off-by: Suman Anna <s-anna@xxxxxx> ... > + /* > + * runtime PM will make sure the clock of this module is > + * enabled again iff at least one lock is requested > + */ > + ret = pm_runtime_put_sync(&pdev->dev); Is there a specific reason for using the put_sync variant here? If not, let's just use the regular put(). Let me know, and I can do the change while applying these two patches. Thanks, Ohad. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html