linux-toradex.git/drivers/dma/dmatest.c, branch v3.14.43 Linux kernel for Apalis and Colibri modules Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2014-01-30T04:27:23+00:00 Linus Torvalds torvalds@linux-foundation.org 2014-01-30T04:27:23+00:00 ca2a650f3dfdc30d71d21bcbb04d2d057779f3f9 Pull slave-dma updates from Vinod Koul: - new driver for BCM2835 used in R-pi - new driver for MOXA ART - dma_get_any_slave_channel API for DT based systems - minor fixes and updates spread acrooss driver [ The fsl-ssi dual fifo mode support addition clashed badly with the other changes to fsl-ssi that came in through the sound merge. I did a very rough cut at fixing up the conflict, but Nicolin Chen (author of both sides) will need to verify and check things ] * 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (36 commits) dmaengine: mmp_pdma: fix mismerge dma: pl08x: Export pl08x_filter_id acpi-dma: align documentation with kernel-doc format dma: fix vchan_cookie_complete() debug print DMA: dmatest: extend the "device" module parameter to 32 characters drivers/dma: fix error return code dma: omap: Set debug level to debugging messages dmaengine: fix kernel-doc style typos for few comments dma: tegra: add support for Tegra148/124 dma: dw: use %pad instead of casting dma_addr_t dma: dw: join split up messages dma: dw: fix style of multiline comment dmaengine: k3dma: fix sparse warnings dma: pl330: Use dma_get_slave_channel() in the of xlate callback dma: pl330: Differentiate between submitted and issued descriptors dmaengine: sirf: Add device_slave_caps interface DMA: Freescale: change BWC from 256 bytes to 1024 bytes dmaengine: Add MOXA ART DMA engine driver dmaengine: Add DMA_PRIVATE to BCM2835 driver dma: imx-sdma: Assign a default script number for ROM firmware cases ... 
Pull slave-dma updates from Vinod Koul:
 - new driver for BCM2835 used in R-pi
 - new driver for MOXA ART
 - dma_get_any_slave_channel API for DT based systems
 - minor fixes and updates spread acrooss driver

[ The fsl-ssi dual fifo mode support addition clashed badly with the
  other changes to fsl-ssi that came in through the sound merge.  I did
  a very rough cut at fixing up the conflict, but Nicolin Chen (author
  of both sides) will need to verify and check things ]

* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (36 commits)
  dmaengine: mmp_pdma: fix mismerge
  dma: pl08x: Export pl08x_filter_id
  acpi-dma: align documentation with kernel-doc format
  dma: fix vchan_cookie_complete() debug print
  DMA: dmatest: extend the "device" module parameter to 32 characters
  drivers/dma: fix error return code
  dma: omap: Set debug level to debugging messages
  dmaengine: fix kernel-doc style typos for few comments
  dma: tegra: add support for Tegra148/124
  dma: dw: use %pad instead of casting dma_addr_t
  dma: dw: join split up messages
  dma: dw: fix style of multiline comment
  dmaengine: k3dma: fix sparse warnings
  dma: pl330: Use dma_get_slave_channel() in the of xlate callback
  dma: pl330: Differentiate between submitted and issued descriptors
  dmaengine: sirf: Add device_slave_caps interface
  DMA: Freescale: change BWC from 256 bytes to 1024 bytes
  dmaengine: Add MOXA ART DMA engine driver
  dmaengine: Add DMA_PRIVATE to BCM2835 driver
  dma: imx-sdma: Assign a default script number for ROM firmware cases
  ...
DMA: dmatest: extend the "device" module parameter to 32 characters 2014-01-20T09:29:18+00:00 Guennadi Liakhovetski g.liakhovetski@gmx.de 2013-12-30T13:58:04+00:00 a85159fece07f4ff3e266da619af050928dceca1 With Device Tree a typical DMA controller device name can look like 10000000.dma-controller, which extends the current size of the string, allocated for this parameter. This patch extends its size from 20 to 32 characters. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
With Device Tree a typical DMA controller device name can look like
10000000.dma-controller, which extends the current size of the string,
allocated for this parameter. This patch extends its size from 20 to 32
characters.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmatest: fix build warning on mips 2013-12-13T06:43:41+00:00 Dan Williams dan.j.williams@intel.com 2013-12-09T19:16:01+00:00 745c00daf9a75bacb53d0fe8635a132673ab0b46 drivers/dma/dmatest.c:543:11: warning: passing argument 1 of 'virt_to_phys' makes pointer from integer without a cast [enabled by default] mips expects virt_to_phys() to take a pointer. Fix up the types accordingly. Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
drivers/dma/dmatest.c:543:11: warning: passing argument 1 of 'virt_to_phys' makes pointer from integer without a cast [enabled by default]

mips expects virt_to_phys() to take a pointer.  Fix up the types accordingly.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Merge commit 'dmaengine-3.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine 2013-11-16T06:32:36+00:00 Vinod Koul vinod.koul@intel.com 2013-11-16T06:24:17+00:00 df12a3178d340319b1955be6b973a4eb84aff754 Pull dmaengine changes from Dan 1/ Bartlomiej and Dan finalized a rework of the dma address unmap implementation. 2/ In the course of testing 1/ a collection of enhancements to dmatest fell out. Notably basic performance statistics, and fixed / enhanced test control through new module parameters 'run', 'wait', 'noverify', and 'verbose'. Thanks to Andriy and Linus for their review. 3/ Testing the raid related corner cases of 1/ triggered bugs in the recently added 16-source operation support in the ioatdma driver. 4/ Some minor fixes / cleanups to mv_xor and ioatdma. Conflicts: drivers/dma/dmatest.c Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
Pull dmaengine changes from Dan

1/ Bartlomiej and Dan finalized a rework of the dma address unmap
   implementation.

2/ In the course of testing 1/ a collection of enhancements to dmatest
   fell out.  Notably basic performance statistics, and fixed / enhanced
   test control through new module parameters 'run', 'wait', 'noverify',
   and 'verbose'.  Thanks to Andriy and Linus for their review.

3/ Testing the raid related corner cases of 1/ triggered bugs in the
   recently added 16-source operation support in the ioatdma driver.

4/ Some minor fixes / cleanups to mv_xor and ioatdma.

Conflicts:
	drivers/dma/dmatest.c

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmatest: verbose mode 2013-11-14T19:04:41+00:00 Dan Williams dan.j.williams@intel.com 2013-11-08T20:26:26+00:00 50137a7df982f3767fe0b3b0cd0b9cfaf09c2cd9 Verbose mode turns on test success messages, by default we only output test summaries and failure results. Also cleaned up some stray quotes, leftover from putting the result message format string all on one line. Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
Verbose mode turns on test success messages, by default we only output
test summaries and failure results.

Also cleaned up some stray quotes, leftover from putting the result
message format string all on one line.

Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
dmatest: convert to dmaengine_unmap_data 2013-11-14T19:04:40+00:00 Dan Williams dan.j.williams@intel.com 2013-11-07T00:30:10+00:00 4076e755dbec078c85352a8f77cec4c10181da4e Remove the open coded unmap and add coverage for this core functionality to dmatest. Also fixes up a couple places where we leaked dma mappings. Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
Remove the open coded unmap and add coverage for this core functionality
to dmatest.

Also fixes up a couple places where we leaked dma mappings.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
dmatest: add a 'wait' parameter 2013-11-14T19:04:40+00:00 Dan Williams dan.j.williams@intel.com 2013-11-07T00:30:09+00:00 2d88ce76eb98c4ac4411dcb299cf61ca8999d2b9 Allows for scripting test runs by module load / unload. Prevent module load from returning until 'iterations' (finite) tests have completed, or cause reads of the 'wait' parameter in sysfs to pause until the tests are done. Also killed the local waitqueue since we can just let the thread exit naturally as long as we hold a reference. Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
Allows for scripting test runs by module load / unload.  Prevent module
load from returning until 'iterations' (finite) tests have completed, or
cause reads of the 'wait' parameter in sysfs to pause until the tests
are done.

Also killed the local waitqueue since we can just let the thread exit
naturally as long as we hold a reference.

Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
dmatest: add basic performance metrics 2013-11-14T19:04:40+00:00 Dan Williams dan.j.williams@intel.com 2013-11-07T00:30:07+00:00 86727443a04fdb25397041188efd2527f2b7237b Add iops and throughput to the summary output. Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
Add iops and throughput to the summary output.

Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
dmatest: add support for skipping verification and random data setup 2013-11-14T19:04:40+00:00 Dan Williams dan.j.williams@intel.com 2013-11-07T00:30:05+00:00 e3b9c347316fe243bea6abd08681050c43ca22ee Towards enabling dmatest to checkout performance add a 'noverify' mode. Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
Towards enabling dmatest to checkout performance add a 'noverify' mode.

Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
dmatest: use pseudo random numbers 2013-11-14T19:04:40+00:00 Dan Williams dan.j.williams@intel.com 2013-11-07T00:30:03+00:00 be9fa5a43641103bf13cd1bb8101a1453da03616 There is no need for dmatest to drain the entropy pool. It would be nice to one day have repeatable runs, but would need a larger rework to synchronize and order calls to the rng across test threads. Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 
There is no need for dmatest to drain the entropy pool.

It would be nice to one day have repeatable runs, but would need a
larger rework to synchronize and order calls to the rng across test
threads.

Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>