[PATCHv5 06/15] hwspinlock/omap: enable module before reading SYSSTATUS register
ohad at wizery.com
Tue Jul 1 05:51:27 PDT 2014
On Thu, May 1, 2014 at 3:34 AM, Suman Anna <s-anna at ti.com> 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.
This seems like a valid fix that is independent of this patch series.
Feel free to submit it separately if you want, so we can get it merged.
More information about the linux-arm-kernel