Hi Tomasz,
On 01/17/2018 03:52 PM, JeffyChen wrote:
Hi Tomasz,
On 01/17/2018 03:38 PM, Tomasz Figa wrote:
>>Don't we need to check here (and in _shutdown() too) if we have a
>>domain attached?
>
>hmmm, right, the startup might been called by resume, so should check
>iommu->domain here.
>
Hi Tomasz,
On 01/17/2018 03:38 PM, Tomasz Figa wrote:
>>Don't we need to check here (and in _shutdown() too) if we have a
>>domain attached?
>
>hmmm, right, the startup might been called by resume, so should check
>iommu->domain here.
>
>but the shutdown would be called at the end of detach or
Hi Tomasz,
Thanks for your reply.
On 01/17/2018 02:20 PM, Tomasz Figa wrote:
On Tue, Jan 16, 2018 at 10:25 PM, Jeffy Chen wrote:
When the power domain is powered off, the IOMMU cannot be accessed and
register programming must be deferred until the power domain
On Tue, Jan 16, 2018 at 10:25 PM, Jeffy Chen wrote:
> When the power domain is powered off, the IOMMU cannot be accessed and
> register programming must be deferred until the power domain becomes
> enabled.
>
> Add runtime PM support, and use runtime PM device link from
When the power domain is powered off, the IOMMU cannot be accessed and
register programming must be deferred until the power domain becomes
enabled.
Add runtime PM support, and use runtime PM device link from IOMMU to
master to startup and shutdown IOMMU.
Signed-off-by: Jeffy Chen