On Thu, Apr 28, 2011 at 09:52:17AM +0200, Per Forlin wrote:
I wanted to test the performance without cache penalty but removing
dma_map_sg may not work since it produces the physical mapped sg list.
This is not as simple as I first thought. Make a copy for dma_map_sg
(call it
On Wed, Apr 20, 2011 at 05:22:34PM +0200, Per Forlin wrote:
[...]
Do you have omap_hsmmc and mmci mmc_test result data to share?
I keep the here:
https://wiki.linaro.org/WorkingGroups/Kernel/Specs/StoragePerfMMC-async-req
Actually, I have seen this page before. I was wondering if you have
On Wed, Apr 20, 2011 at 05:30:22PM +0200, Per Forlin wrote:
[...]
Remove dma_map and dma_unmap from your host driver and run the tests
(obviously nonblocking and blocking will have the same results). If
there is still no performance gain the cache penalty is very small on
your platform and
On 21 April 2011 08:29, Shawn Guo shawn@freescale.com wrote:
On Wed, Apr 20, 2011 at 05:30:22PM +0200, Per Forlin wrote:
[...]
Remove dma_map and dma_unmap from your host driver and run the tests
(obviously nonblocking and blocking will have the same results). If
there is still no
On 21 April 2011 08:25, Shawn Guo shawn@freescale.com wrote:
On Wed, Apr 20, 2011 at 05:22:34PM +0200, Per Forlin wrote:
[...]
Do you have omap_hsmmc and mmci mmc_test result data to share?
I keep the here:
https://wiki.linaro.org/WorkingGroups/Kernel/Specs/StoragePerfMMC-async-req
On Thu, Apr 21, 2011 at 10:46:18AM +0200, Per Forlin wrote:
On 21 April 2011 08:29, Shawn Guo shawn@freescale.com wrote:
On Wed, Apr 20, 2011 at 05:30:22PM +0200, Per Forlin wrote:
[...]
Remove dma_map and dma_unmap from your host driver and run the tests
(obviously nonblocking and
On 21 April 2011 11:11, Shawn Guo shawn@freescale.com wrote:
On Thu, Apr 21, 2011 at 10:46:18AM +0200, Per Forlin wrote:
On 21 April 2011 08:29, Shawn Guo shawn@freescale.com wrote:
On Wed, Apr 20, 2011 at 05:30:22PM +0200, Per Forlin wrote:
[...]
Remove dma_map and dma_unmap from
On 21 April 2011 11:47, Per Forlin per.for...@linaro.org wrote:
On 21 April 2011 11:11, Shawn Guo shawn@freescale.com wrote:
On Thu, Apr 21, 2011 at 10:46:18AM +0200, Per Forlin wrote:
On 21 April 2011 08:29, Shawn Guo shawn@freescale.com wrote:
On Wed, Apr 20, 2011 at 05:30:22PM
On 17 April 2011 18:33, Shawn Guo shawn@linaro.org wrote:
pre_req() runs dma_map_sg() post_req() runs dma_unmap_sg.
If not calling pre_req() before mxs_mmc_request(), request()
will prepare the cache just like it did it before.
It is optional to use pre_req() and post_req().
On 17 April 2011 18:48, Shawn Guo shawn@freescale.com wrote:
On Mon, Apr 18, 2011 at 12:33:30AM +0800, Shawn Guo wrote:
pre_req() runs dma_map_sg() post_req() runs dma_unmap_sg.
If not calling pre_req() before mxs_mmc_request(), request()
will prepare the cache just like it did it before.
On Wed, Apr 20, 2011 at 09:58:48AM +0200, Per Forlin wrote:
static struct dma_async_tx_descriptor *mxs_mmc_prep_dma(
struct mxs_mmc_host *host, unsigned int append)
{
@@ -312,8 +342,8 @@ static struct dma_async_tx_descriptor *mxs_mmc_prep_dma(
if (data) {
On Wed, Apr 20, 2011 at 10:01:22AM +0200, Per Forlin wrote:
On 17 April 2011 18:48, Shawn Guo shawn@freescale.com wrote:
On Mon, Apr 18, 2011 at 12:33:30AM +0800, Shawn Guo wrote:
pre_req() runs dma_map_sg() post_req() runs dma_unmap_sg.
If not calling pre_req() before
On 20 April 2011 16:01, Shawn Guo shawn@freescale.com wrote:
On Wed, Apr 20, 2011 at 10:01:22AM +0200, Per Forlin wrote:
On 17 April 2011 18:48, Shawn Guo shawn@freescale.com wrote:
On Mon, Apr 18, 2011 at 12:33:30AM +0800, Shawn Guo wrote:
pre_req() runs dma_map_sg() post_req() runs
On 20 April 2011 16:01, Shawn Guo shawn@freescale.com wrote:
On Wed, Apr 20, 2011 at 10:01:22AM +0200, Per Forlin wrote:
On 17 April 2011 18:48, Shawn Guo shawn@freescale.com wrote:
On Mon, Apr 18, 2011 at 12:33:30AM +0800, Shawn Guo wrote:
pre_req() runs dma_map_sg() post_req() runs
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