Re: [PATCH 4/4] serial: 8250-mtk: modify uart DMA rx

2019-05-21 Thread Long Cheng
On Fri, 2019-05-17 at 15:36 +0800, Long Cheng wrote: > On Wed, 2019-05-15 at 21:48 +0800, Nicolas Boichat wrote: > > On Sat, Apr 27, 2019 at 11:36 AM Long Cheng wrote: > > > > > > Modify uart rx and complete for DMA. > > > > I don't know much about the DMA framework, but can you please explain >

Re: [PATCH 4/4] serial: 8250-mtk: modify uart DMA rx

2019-05-21 Thread Vinod Koul
On 27-04-19, 11:36, Long Cheng wrote: > Modify uart rx and complete for DMA. > > Signed-off-by: Long Cheng > --- > drivers/tty/serial/8250/8250_mtk.c | 53 > > 1 file changed, 23 insertions(+), 30 deletions(-) > > diff --git

Re: [PATCH 4/4] serial: 8250-mtk: modify uart DMA rx

2019-05-17 Thread Long Cheng
On Wed, 2019-05-15 at 21:48 +0800, Nicolas Boichat wrote: > On Sat, Apr 27, 2019 at 11:36 AM Long Cheng wrote: > > > > Modify uart rx and complete for DMA. > > I don't know much about the DMA framework, but can you please explain > why you are making the changes in this CL? I see that you are

Re: [PATCH 4/4] serial: 8250-mtk: modify uart DMA rx

2019-05-15 Thread Nicolas Boichat
On Sat, Apr 27, 2019 at 11:36 AM Long Cheng wrote: > > Modify uart rx and complete for DMA. I don't know much about the DMA framework, but can you please explain why you are making the changes in this CL? I see that you are dropping dma_sync_single_for_device calls, for example, why? > >

[PATCH 4/4] serial: 8250-mtk: modify uart DMA rx

2019-04-26 Thread Long Cheng
Modify uart rx and complete for DMA. Signed-off-by: Long Cheng --- drivers/tty/serial/8250/8250_mtk.c | 53 1 file changed, 23 insertions(+), 30 deletions(-) diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c index