[PATCH v2 2/2] ARM: OMAP: omap_device: Correct resource handling for DT boot

Benoit Cousson b-cousson at ti.com
Mon Nov 5 06:25:40 EST 2012

Hi Kevin,

On 11/03/2012 09:31 AM, Kevin Hilman wrote:
> On 10/30/2012 12:24 PM, Peter Ujfalusi wrote:
>> When booting with DT the OF core can fill up the resources provided
>> within
>> the DT blob.
>> The current way of handling the DT boot prevents us from removing
>> hwmod data
>> for platforms only suppose to boot with DT (OMAP5 for example) since
>> we need
>> to keep the whole hwmod database intact in order to have more
>> resources in
>> hwmod than in DT (to be able to append the DMA resource from hwmod).
>> To fix this issue we just examine the OF provided resources:
>> If we do not have resources we use hwmod to fill them.
>> If we have resources we check if we already able to recive DMA
>> resource, if
>> no we only append the DMA resurce from hwmod to the OF provided ones.
>> In this way we can start removing hwmod data for devices which have their
>> resources correctly configured in DT without regressions.
>> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>ke
> Acked-by: Kevin Hilman <khilman at ti.com>
> Benoit, feel free to take this one as well.

Thanks, I'll do.


More information about the linux-arm-kernel mailing list