linux-toradex.git/drivers/dma/sirf-dma.c, branch v4.4.27

dmaengine: sirf: Fix module autoload for OF platform driver

2015-10-01T02:04:31+00:00

This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.

Signed-off-by: Luis de Bethencourt 
Signed-off-by: Vinod Koul

dmaengine: sirf: clear pending DMA interrupt when DMA terminates

2015-08-18T16:43:59+00:00

If DMA interrupt comes and is latched by IRQ controller during the
execution of dma_terminate_all(), dma_irq routine will be executed
after dma terminated, and it will cause kernel panic.
We clear DMA interrupts in dma_terminate_all() to avoid this useless
interrupt.

Signed-off-by: Yanchang Li 
Signed-off-by: Barry Song 
Signed-off-by: Vinod Koul

dmaengine: sirf: add CSRatlas7 SoC support

2015-06-08T04:56:58+00:00

add support for new CSR atlas7 SoC. atlas7 exists V1 and V2 IP.
atlas7 DMAv1 is basically moved from marco, which has never been
delivered to customers and renamed in this patch.
atlas7 DMAv2 supports chain DMA by a chain table, this
patch also adds chain DMA support for atlas7.

atlas7 DMAv1 and DMAv2 co-exist in the same chip. there are some HW
configuration differences(register offset etc.) with old prima2 chips,
so we use compatible string to differentiate old prima2 and new atlas7,
then results in different set in HW for them.

Signed-off-by: Hao Liu 
Signed-off-by: Yanchang Li 
Signed-off-by: Barry Song 
Signed-off-by: Vinod Koul

dmaengine: constify of_device_id array

2015-03-18T16:43:14+00:00

of_device_id is always used as const.
(See driver.of_match_table and open firmware functions)

Signed-off-by: Fabian Frederick 
Signed-off-by: Vinod Koul

dmaengine: sirf: Declare slave capabilities for the generic code

2014-12-22T07:04:21+00:00

Now that the generic slave caps code can make use of the device assigned
capabilities, instead of relying on a callback to be implemented.

Make use of this code.

Signed-off-by: Maxime Ripard 
Signed-off-by: Vinod Koul

dmaengine: sirf: Split device_control

2014-12-22T07:02:16+00:00

Split the device_control callback of the SiRF Prima 2 DMA driver to make use
of the newly introduced callbacks, that will eventually be used to retrieve
slave capabilities.

Signed-off-by: Maxime Ripard 
Signed-off-by: Vinod Koul

dmaengine: Make the destination abbreviation coherent

2014-12-22T06:58:55+00:00

The dmaengine header abbreviates destination as at least two different strings.
Make a coherent use of a single one.

Signed-off-by: Maxime Ripard 
Acked-by: Mark Brown 
Acked-by: Laurent Pinchart 
Acked-by: Stephen Warren 
Signed-off-by: Vinod Koul

Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2014-12-15T00:10:09+00:00

Pull driver core update from Greg KH:
 "Here's the set of driver core patches for 3.19-rc1.

  They are dominated by the removal of the .owner field in platform
  drivers.  They touch a lot of files, but they are "simple" changes,
  just removing a line in a structure.

  Other than that, a few minor driver core and debugfs changes.  There
  are some ath9k patches coming in through this tree that have been
  acked by the wireless maintainers as they relied on the debugfs
  changes.

  Everything has been in linux-next for a while"

* tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits)
  Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries"
  fs: debugfs: add forward declaration for struct device type
  firmware class: Deletion of an unnecessary check before the function call "vunmap"
  firmware loader: fix hung task warning dump
  devcoredump: provide a one-way disable function
  device: Add dev__once variants
  ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries
  ath: use seq_file api for ath9k debugfs files
  debugfs: add helper function to create device related seq_file
  drivers/base: cacheinfo: remove noisy error boot message
  Revert "core: platform: add warning if driver has no owner"
  drivers: base: support cpu cache information interface to userspace via sysfs
  drivers: base: add cpu_device_create to support per-cpu devices
  topology: replace custom attribute macros with standard DEVICE_ATTR*
  cpumask: factor out show_cpumap into separate helper function
  driver core: Fix unbalanced device reference in drivers_probe
  driver core: fix race with userland in device_add()
  sysfs/kernfs: make read requests on pre-alloc files use the buffer.
  sysfs/kernfs: allow attributes to request write buffer be pre-allocated.
  fs: sysfs: return EGBIG on write if offset is larger than file size
  ...

dmaengine: sirf: Add CONFIG_PM_SLEEP to suspend/resume functions

2014-11-17T08:20:44+00:00

Add CONFIG_PM_SLEEP to suspend/resume functions to fix the following
build warning when CONFIG_PM_SLEEP is not selected. This is because
sleep PM callbacks defined by SET_SYSTEM_SLEEP_PM_OPS are only used
when the CONFIG_PM_SLEEP is enabled.

drivers/dma/sirf-dma.c:838:12: warning: 'sirfsoc_dma_pm_suspend' defined but not used [-Wunused-function]
drivers/dma/sirf-dma.c:879:12: warning: 'sirfsoc_dma_pm_resume' defined but not used [-Wunused-function]

Signed-off-by: Jingoo Han 
Signed-off-by: Vinod Koul

dmaengine: sirf: Remove chancnt affectations

2014-11-06T06:06:18+00:00

chanctnt is already filled by dma_async_device_register, which uses the channel
list to know how much channels there is.

Since it's already filled, we can safely remove it from the drivers' probe
function.

Signed-off-by: Maxime Ripard 
Signed-off-by: Vinod Koul