Re: [RFC/PATCH 05/13] serial: omap: drop DMA support

From: Shilimkar, Santosh
Date: Tue Aug 21 2012 - 06:35:36 EST


On Tue, Aug 21, 2012 at 3:50 PM, Felipe Balbi <balbi@xxxxxx> wrote:
> On Tue, Aug 21, 2012 at 03:14:19PM +0530, Shilimkar, Santosh wrote:
>> On Tue, Aug 21, 2012 at 2:45 PM, Felipe Balbi <balbi@xxxxxx> wrote:
>> > The current support is known to be broken and
>> > a later patch will come re-adding it using
>> > dma engine API.
>> >
>> > Signed-off-by: Felipe Balbi <balbi@xxxxxx>
>> > ---
>> Thanks Felipe !!
>
> no problem.
>
>> One less driver now towards OMAP DMA
>> engine conversion.
>
> indeed :-) I'll take a closer look into rx timeout IRQ, but it looks
> like we can use it to kick dma only for "big" transfers... need to play
> with it for a while first, though.
>
Yep. The RX path with DMA is bit of difficult part to manage for
UART.

>> FWIW,
>> Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
>
> is this Ack for this patch only or the entire series ??
>
Two more patches to review and then I will do it for
full series on top of the cover-letter :-)

Regards
Santosh
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