Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-16 Thread Dan Williams
On Wed, Oct 16, 2013 at 8:07 AM, Vinod Koul wrote: > On Wed, Oct 16, 2013 at 07:12:47AM -0700, Greg KH wrote: >> On Wed, Oct 16, 2013 at 09:13:20AM +, Shevchenko, Andriy wrote: >> > On Wed, 2013-10-16 at 13:27 +0530, Vinod Koul wrote: >> > > On Wed, Oct 16, 2013 at 02:06:30PM +0530, Shevchenko

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-16 Thread Vinod Koul
On Wed, Oct 16, 2013 at 07:12:47AM -0700, Greg KH wrote: > On Wed, Oct 16, 2013 at 09:13:20AM +, Shevchenko, Andriy wrote: > > On Wed, 2013-10-16 at 13:27 +0530, Vinod Koul wrote: > > > On Wed, Oct 16, 2013 at 02:06:30PM +0530, Shevchenko, Andriy wrote: > > > > On Wed, 2013-10-16 at 11:08 +0530

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-16 Thread Greg KH
On Wed, Oct 16, 2013 at 09:13:20AM +, Shevchenko, Andriy wrote: > On Wed, 2013-10-16 at 13:27 +0530, Vinod Koul wrote: > > On Wed, Oct 16, 2013 at 02:06:30PM +0530, Shevchenko, Andriy wrote: > > > On Wed, 2013-10-16 at 11:08 +0530, Vinod Koul wrote: > > [] > > > > > Well am going to take it a

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-16 Thread Shevchenko, Andriy
On Wed, 2013-10-16 at 13:27 +0530, Vinod Koul wrote: > On Wed, Oct 16, 2013 at 02:06:30PM +0530, Shevchenko, Andriy wrote: > > On Wed, 2013-10-16 at 11:08 +0530, Vinod Koul wrote: [] > > > Well am going to take it a bit further and ask you why do we need the > > > /sys/class/dma? I have never use

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-16 Thread Vinod Koul
On Wed, Oct 16, 2013 at 02:06:30PM +0530, Shevchenko, Andriy wrote: > On Wed, 2013-10-16 at 11:08 +0530, Vinod Koul wrote: > > On Tue, Oct 15, 2013 at 08:55:20AM -0700, Dan Williams wrote: > > > On Tue, Oct 15, 2013 at 11:31 AM, Youquan Song > > > wrote: > > > > On Sun, Oct 13, 2013 at 08:56:33PM

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-16 Thread Shevchenko, Andriy
On Wed, 2013-10-16 at 11:08 +0530, Vinod Koul wrote: > On Tue, Oct 15, 2013 at 08:55:20AM -0700, Dan Williams wrote: > > On Tue, Oct 15, 2013 at 11:31 AM, Youquan Song > > wrote: > > > On Sun, Oct 13, 2013 at 08:56:33PM +0530, Vinod Koul wrote: > > >> On Fri, Oct 11, 2013 at 06:33:43AM -0700, Greg

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-15 Thread Vinod Koul
On Tue, Oct 15, 2013 at 08:55:20AM -0700, Dan Williams wrote: > On Tue, Oct 15, 2013 at 11:31 AM, Youquan Song > wrote: > > On Sun, Oct 13, 2013 at 08:56:33PM +0530, Vinod Koul wrote: > >> On Fri, Oct 11, 2013 at 06:33:43AM -0700, Greg KH wrote: > >> > On Fri, Oct 11, 2013 at 05:42:17PM -0400, You

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-15 Thread Greg KH
On Tue, Oct 15, 2013 at 08:55:20AM -0700, Dan Williams wrote: > On Tue, Oct 15, 2013 at 11:31 AM, Youquan Song > wrote: > > On Sun, Oct 13, 2013 at 08:56:33PM +0530, Vinod Koul wrote: > >> On Fri, Oct 11, 2013 at 06:33:43AM -0700, Greg KH wrote: > >> > On Fri, Oct 11, 2013 at 05:42:17PM -0400, You

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-15 Thread Dan Williams
On Tue, Oct 15, 2013 at 11:31 AM, Youquan Song wrote: > On Sun, Oct 13, 2013 at 08:56:33PM +0530, Vinod Koul wrote: >> On Fri, Oct 11, 2013 at 06:33:43AM -0700, Greg KH wrote: >> > On Fri, Oct 11, 2013 at 05:42:17PM -0400, Youquan Song wrote: > The issue is that when I using UART to transfer data

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-15 Thread Greg KH
On Tue, Oct 15, 2013 at 02:31:42PM -0400, Youquan Song wrote: > On Sun, Oct 13, 2013 at 08:56:33PM +0530, Vinod Koul wrote: > > On Fri, Oct 11, 2013 at 06:33:43AM -0700, Greg KH wrote: > > > On Fri, Oct 11, 2013 at 05:42:17PM -0400, Youquan Song wrote: > > > > Currently, the DMA channel calculates

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-14 Thread Youquan Song
On Sun, Oct 13, 2013 at 08:56:33PM +0530, Vinod Koul wrote: > On Fri, Oct 11, 2013 at 06:33:43AM -0700, Greg KH wrote: > > On Fri, Oct 11, 2013 at 05:42:17PM -0400, Youquan Song wrote: > > > Currently, the DMA channel calculates its data transferred only at network > > > device driver. When other d

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-13 Thread Vinod Koul
On Fri, Oct 11, 2013 at 06:33:43AM -0700, Greg KH wrote: > On Fri, Oct 11, 2013 at 05:42:17PM -0400, Youquan Song wrote: > > Currently, the DMA channel calculates its data transferred only at network > > device driver. When other devices like UART or SPI etc, transfers data by > > DMA > > mode, b

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-11 Thread Greg KH
On Fri, Oct 11, 2013 at 05:42:17PM -0400, Youquan Song wrote: > Currently, the DMA channel calculates its data transferred only at network > device driver. When other devices like UART or SPI etc, transfers data by DMA > mode, but it always shows 0 at /sys/class/dma/dma0chan*/bytes_transferred. I

Re: [PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-11 Thread Shevchenko, Andriy
On Fri, 2013-10-11 at 17:42 -0400, Youquan Song wrote: > Currently, the DMA channel calculates its data transferred only at network > device driver. When other devices like UART or SPI etc, transfers data by DMA > mode, but it always shows 0 at /sys/class/dma/dma0chan*/bytes_transferred. > > This

[PATCH 1/2] dma: Add interface to calculate data transferred

2013-10-11 Thread Youquan Song
Currently, the DMA channel calculates its data transferred only at network device driver. When other devices like UART or SPI etc, transfers data by DMA mode, but it always shows 0 at /sys/class/dma/dma0chan*/bytes_transferred. This patch add a new function which will calculate how many the data