Re: [PATCHv4 4/4] iommu: create new api to set valid da range

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Oct 20, 2010 at 11:45 AM, Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx> wrote:
> From: "ext felipe.contreras@xxxxxxxxx" <felipe.contreras@xxxxxxxxx>
> Subject: Re: [PATCHv4 4/4] iommu: create new api to set valid da range
> Date: Wed, 20 Oct 2010 10:35:50 +0200
>
>> On Wed, Oct 20, 2010 at 5:48 AM, Fernando Guzman Lugo <x0095840@xxxxxx> wrote:
>>> Some IOMMUs cannot use the whole 0x0 - 0xFFFFFFFF range.
>>> With this new API the valid range can be set.
>>>
>>> Signed-off-by: Fernando Guzman Lugo <x0095840@xxxxxx>
>>
>> I don't see the point in having an API. It could be done through
>> platform data, and the usage of 0xFFFFF000 instead of ULONG_MAX is
>> independent of this.
>
> Using platform data is better, but why dropping da_end?

Because it's always 0xFFFFF000. Do you know of any instance where it's not?

-- 
Felipe Contreras
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux