[RFC PATCH] ARM: mm: ADD descriptor string to CONFIG_DMA_ADDR_64BIT_T
r.sricharan at ti.com
Wed Sep 12 09:20:00 EDT 2012
On Wed, Sep 12, 2012 at 6:27 PM, Shilimkar, Santosh
<santosh.shilimkar at ti.com> wrote:
> On Wed, Sep 12, 2012 at 6:16 PM, Cyril Chemparathy <cyril at ti.com> wrote:
>> On 9/12/2012 1:50 AM, R Sricharan wrote:
>>> Even if CONFIG_DMA_ADDR_64BIT_T is enabled by the defconfig,
>>> the feature is not getting selected.
>>> Adding a string description in the Kconfig resolves this.
>>> But not sure if this is the right way to fix this.
>> Shouldn't you be selecting this in your 64-bit dma address capable arch
> Yes. The selection to enable CONFIG_DMA_ADDR_64BIT_T happens
> in the arch which needs it. Since this option was made as simple bool,
> looks like because of some KCONFIG magic, it was not getting selected.
> Adding some help text does fix the issue and thats is the patch all about.
Correct. So even if you select this in the arch/defconfig,
today this option is not getting enabled in the finally generated
.config. So by adding this description text, this can really be selected
from arch level.
More information about the linux-arm-kernel