On 08/22/2013 07:17 PM, Richard Zhao wrote:
On Fri, Aug 23, 2013 at 04:36:53AM +0800, Stephen Warren wrote:
On 08/22/2013 12:43 AM, Richard Zhao wrote:
DMA client device driver usually needs to know at probe time whether
dma controller has been registered to deffer probe. So add a help
DMA client device driver usually needs to know at probe time whether
dma controller has been registered to deffer probe. So add a help
function of_dma_check_controller.
DMA request channel functions can also used to check it, but they
are usually called at open() time.
Signed-off-by: Richard
On 08/22/2013 12:43 AM, Richard Zhao wrote:
DMA client device driver usually needs to know at probe time whether
dma controller has been registered to deffer probe. So add a help
function of_dma_check_controller.
DMA request channel functions can also used to check it, but they
are usually
On Fri, Aug 23, 2013 at 04:36:53AM +0800, Stephen Warren wrote:
On 08/22/2013 12:43 AM, Richard Zhao wrote:
DMA client device driver usually needs to know at probe time whether
dma controller has been registered to deffer probe. So add a help
function of_dma_check_controller.
DMA
