08 Aug, 2016
1 commit
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This is in preperation of moving to a callback that provides results to the
callback for the transaction. The conversion will maintain current behavior
and the driver must convert to new callback mechanism at a later time in
order to receive results.Signed-off-by: Dave Jiang
Reviewed-by: Lars-Peter Clausen
Signed-off-by: Vinod Koul
16 Jul, 2016
2 commits
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drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executedSigned-off-by: Vinod Koul
Cc: Guennadi Liakhovetski -
dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.Signed-off-by: Vinod Koul
Cc: Guennadi Liakhovetski
22 Jun, 2016
1 commit
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If kzalloc() fails it will issue it's own error message including
a dump_stack(). So remove the site specific error messages.Signed-off-by: Peter Griffin
Acked-by: Jon Hunter
Acked-by: Linus Walleij
Signed-off-by: Vinod Koul
04 May, 2015
1 commit
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The platform_device_id is not modified by the driver and core uses it as
const.Signed-off-by: Krzysztof Kozlowski
Signed-off-by: Vinod Koul
22 Dec, 2014
4 commits
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driver comment refers to DMA_PAUSE which needs to be updated to
.device_pauseSigned-off-by: Vinod Koul
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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 -
Split the device_control callback of the NBPF AXI 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 -
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
13 Dec, 2014
1 commit
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Pull dmaengine updates from Vinod Koul:
"Main features this time are:- BAM v1.3.0 support form qcom bam dma
- support for Allwinner sun8i dma
- atmels eXtended DMA Controller driver
- chancnt cleanup by Maxime
- fixes spread over drivers"* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (56 commits)
dmaenegine: Delete a check before free_percpu()
dmaengine: ioatdma: fix dma mapping errors
dma: cppi41: add a delay while setting the TD bit
dma: cppi41: wait longer for the HW to return the descriptor
dmaengine: fsl-edma: fixup reg offset and hw S/G support in big-endian model
dmaengine: fsl-edma: fix calculation of remaining bytes
drivers/dma/pch_dma: declare pch_dma_id_table as static
dmaengine: ste_dma40: fix error return code
dma: imx-sdma: clarify about firmware not found error
Documentation: devicetree: Fix Xilinx VDMA specification
dmaengine: pl330: update author info
dmaengine: clarify the issue_pending expectations
dmaengine: at_xdmac: Add DMA_PRIVATE
ARM: dts: at_xdmac: fix bad value of dma-cells in documentation
dmaengine: at_xdmac: fix missing spin_unlock
dmaengine: at_xdmac: fix a bug in transfer residue computation
dmaengine: at_xdmac: fix software lockup at_xdmac_tx_status()
dmaengine: at_xdmac: remove chancnt affectation
dmaengine: at_xdmac: prefer usage of readl/writel_relaxed
dmaengine: xdmac: fix print warning on dma_addr_t variable
...
06 Dec, 2014
1 commit
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After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.Replace CONFIG_PM_RUNTIME with CONFIG_PM in drivers/dma/nbpfaxi.c
and drivers/dma/tegra20-apb-dma.c.Signed-off-by: Rafael J. Wysocki
Acked-by: Vinod Koul
06 Nov, 2014
1 commit
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There is no need to init .owner field.
Based on the patch from Peter Griffin
"mmc: remove .owner field for drivers using module_platform_driver"This patch removes the superflous .owner field for drivers which
use the module_platform_driver API, as this is overriden in
platform_driver_register anyway."Signed-off-by: Kiran Padwal
[for nvidia]
Acked-by: Thierry Reding
Signed-off-by: Vinod Koul
06 Aug, 2014
1 commit
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CC: Guennadi Liakhovetski
CC: Vinod Koul
Signed-off-by: Fengguang Wu
Signed-off-by: Vinod Koul
04 Aug, 2014
3 commits
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It is common among dmaengine drivers to use a tasklet for bottom half
interrupt processing. Convert nbpfaxi to do the same.Signed-off-by: Guennadi Liakhovetski
Signed-off-by: Vinod Koul -
A race possibility exists if a DMA slave driver tries to free channel
resources witout waiting for all transfers to complete and without
explicitly terminating all requests. In such a case the IRQ processing
thread can race with .device_free_chan_resources(). To fix this race empty
all descriptor lists before freeing descriptor cache.Signed-off-by: Guennadi Liakhovetski
Signed-off-by: Vinod Koul -
This patch adds a driver for NBPF DMAC IP cores from Renesas, designed for
the AMBA AXI bus.Signed-off-by: Guennadi Liakhovetski
Signed-off-by: Vinod Koul
