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We should use dma_pool_zalloc instead of dma_pool_alloc/memset.
Signed-off-by: Souptick joarder <jrdr.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Pull dmaengine updates from Vinod Koul:
"This time we have a very typical update which is mostly fixes and
updates to drivers and no new drivers.
- the biggest change is coming from Peter for edma cleanup which even
caused some last minute regression, things seem settled now
- idma64 and dw updates
- iotdma updates
- module autoload fixes for various drivers
- scatter gather support for hdmac"
* tag 'dmaengine-4.4-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (77 commits)
dmaengine: edma: Add dummy driver skeleton for edma3-tptc
Revert "ARM: DTS: am33xx: Use the new DT bindings for the eDMA3"
Revert "ARM: DTS: am437x: Use the new DT bindings for the eDMA3"
dmaengine: dw: some Intel devices has no memcpy support
dmaengine: dw: platform: provide platform data for Intel
dmaengine: dw: don't override platform data with autocfg
dmaengine: hdmac: Add scatter-gathered memset support
dmaengine: hdmac: factorise memset descriptor allocation
dmaengine: virt-dma: Fix kernel-doc annotations
ARM: DTS: am437x: Use the new DT bindings for the eDMA3
ARM: DTS: am33xx: Use the new DT bindings for the eDMA3
dmaengine: edma: New device tree binding
dmaengine: Kconfig: edma: Select TI_DMA_CROSSBAR in case of ARCH_OMAP
dmaengine: ti-dma-crossbar: Add support for crossbar on AM33xx/AM43xx
dmaengine: edma: Merge the of parsing functions
dmaengine: edma: Do not allocate memory for edma_rsv_info in case of DT boot
dmaengine: edma: Refactor the dma device and channel struct initialization
dmaengine: edma: Get qDMA channel information from HW also
dmaengine: edma: Merge map_dmach_to_queue into assign_channel_eventq
dmaengine: edma: Correct PaRAM access function names (_parm_ to _param_)
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The valid pchan range is 0 ~ d->dma_requests - 1.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Fix the call to memset in this driver
[linux-4.2-next-20150911/drivers/dma/zx296702_dma.c:444]: (warning)
memset() called to fill 0 bytes of 'ds'.
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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DMA will not stop when clearing enable bit till all transaction
is done. The bug is exposed in audio playback because ring DMA
chain never stop. Force hardware to stop with setting FORCE bit.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Align src and dst width to fix data alignment issue as
trailing single transaction that does not fill a full
burst require identical src/dst data width.
Burst length limitation can be addressed well too.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Support cyclic dma for audio playback
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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At device removal, tasklets are not disabled and irqs are still enabled, so
free the irq explicitly on device removal
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Add ZTE ZX296702 dma controller support. Only
device tree probe is support currently.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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