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

Tony Lindgren
2009-09-25T15:51:22Z

* Artem Bityutskiy <dedekind1@gmail.com> [090925 00:15]:
> On 09/25/2009 02:39 AM, Tony Lindgren wrote:
>> From: Hiroshi DOYU<Hiroshi.DOYU@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.

Tony