[PATCH v2 2/2] ARM: OMAP: omap_device: Correct resource handling for DT boot
khilman at deeprootsystems.com
Sat Nov 3 04:31:04 EDT 2012
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.
More information about the linux-arm-kernel