[PATCHv5 06/15] hwspinlock/omap: enable module before reading SYSSTATUS register
s-anna at ti.com
Wed Jul 2 12:38:04 PDT 2014
On 07/01/2014 07:51 AM, Ohad Ben-Cohen wrote:
> Hi Suman,
> 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.
OK, I will submit this patch and Patch 7 separately.
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