On Thu, Jul 11, 2013 at 10:54:29AM +0800, Xiang Wang wrote:
> >> +static u32 mmp_pdma_get_bytes_residue(struct mmp_pdma_chan *chan)
> >> +{
> >> + u32 reg, orig_pos, cur_pos, ddadr, residue = 0;
> >> + bool running_desc_found = false;
> >> + struct mmp_pdma_desc_sw *desc_sw;
> >> +
> >>
2013/7/5 Vinod Koul :
> On Tue, Jun 18, 2013 at 04:41:20PM +0800, Xiang Wang wrote:
>> From: Xiang Wang
>>
>> In some of our drivers (e.g. UART) we may stop a running DMA
>> before it finishes. So we need APIs to know how many bytes
>> have been transferred.
>>
>> Signed-off-by: Xiang Wang
>> ---
On Tue, Jun 18, 2013 at 04:41:20PM +0800, Xiang Wang wrote:
> From: Xiang Wang
>
> In some of our drivers (e.g. UART) we may stop a running DMA
> before it finishes. So we need APIs to know how many bytes
> have been transferred.
>
> Signed-off-by: Xiang Wang
> ---
> drivers/dma/mmp_pdma.c |
Hi, all
Do you have any comments about this patch? Thanks!
2013/6/18 Xiang Wang :
> From: Xiang Wang
>
> In some of our drivers (e.g. UART) we may stop a running DMA
> before it finishes. So we need APIs to know how many bytes
> have been transferred.
>
> Signed-off-by: Xiang Wang
> ---
> drive
From: Xiang Wang
In some of our drivers (e.g. UART) we may stop a running DMA
before it finishes. So we need APIs to know how many bytes
have been transferred.
Signed-off-by: Xiang Wang
---
drivers/dma/mmp_pdma.c | 88 +++
1 files changed, 80 inser
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