[PATCH 06/12] omap: mailbox: Flush posted write when acking mailbox irq

Tony Lindgren tony at atomide.com
Fri Sep 25 11:51:22 EDT 2009

* Artem Bityutskiy <dedekind1 at gmail.com> [090925 00:15]:
> On 09/25/2009 02:39 AM, Tony Lindgren wrote:
>> From: Hiroshi DOYU<Hiroshi.DOYU at nokia.com>
>> The only way to flush posted write to L4 bus is to do a read back
>> of the same register right after the write.
> Just curious, is it really necessary to read back the _same_ register?
> Would reading back any L4 bus-related register be sufficient?

It seems that reading back any register in the same device will do it.


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