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linux/drivers/dma
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Andy Shevchenko 5ba846b1ee dmaengine: idma64: Use actual device for DMA transfers 
Intel IOMMU, when enabled, tries to find the domain of the device,
assuming it's a PCI one, during DMA operations, such as mapping or
unmapping. Since we are splitting the actual PCI device to couple of
children via MFD framework (see drivers/mfd/intel-lpss.c for details),
the DMA device appears to be a platform one, and thus not an actual one
that performs DMA. In a such situation IOMMU can't find or allocate
a proper domain for its operations. As a result, all DMA operations are
failed.

In order to fix this, supply parent of the platform device
to the DMA engine framework and fix filter functions accordingly.

We may rely on the fact that parent is a real PCI device, because no
other configuration is present in the wild.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> [for tty parts]
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2019-03-21 19:48:26 +05:30
..
bestcomm treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
dw Merge branch 'topic/dw' into for-linus 2019-03-12 12:03:47 +05:30
dw-axi-dmac dmaengine: dw-axi-dmac: Fix trivia typo 2019-01-08 22:36:18 +05:30
hsu dmaengine: hsu: remove dma_slave_config direction usage 2018-10-07 19:25:09 +05:30
ioat dmaengine: ioatdma: support latency tolerance report (LTR) for v3.4 2019-02-25 12:18:38 +05:30
ipu treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
mediatek cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
ppc4xx dmaengine: ppc4xx: fix off-by-one build failure 2018-10-16 20:08:30 +05:30
qcom dmaengine: qcom_hidma: assign channel cookie correctly 2019-01-20 10:43:34 +05:30
sh dmaengine: usb-dmac: Make DMAC system sleep callbacks explicit 2019-01-20 16:29:52 +05:30
ti dmaengine: cppi41: delete channel from pending list when stop channel 2018-12-05 14:01:59 +05:30
xilinx dmaengine updates for v5.1-rc1 2019-03-14 09:11:54 -07:00
acpi-dma.c
altera-msgdma.c
amba-pl08x.c dmaengine: amba-pl08x: convert to DEFINE_SHOW_ATTRIBUTE 2018-12-17 11:49:41 +05:30
at_hdmac.c dmaengine: at_hdmac: drop useless LIST_HEAD 2019-01-07 09:49:26 +05:30
at_hdmac_regs.h
at_xdmac.c dmaengine: at_xdmac: Fix wrongfull report of a channel as in use 2019-02-02 15:55:26 +05:30
bcm-sba-raid.c treewide: Use struct_size() for devm_kmalloc() and friends 2018-06-06 11:15:43 -07:00
bcm2835-dma.c Merge branch 'topic/brcm' into for-linus 2019-03-12 12:03:42 +05:30
coh901318.c dmaengine: coh901318: Remove unused variable 2018-11-26 13:35:52 +05:30
coh901318.h
coh901318_lli.c
dma-axi-dmac.c dmaengine: axi-dmac: Use struct_size() in kzalloc() 2019-01-20 10:51:38 +05:30
dma-jz4740.c dmaengine: jz4740: remove dma_slave_config direction usage 2018-10-07 19:20:14 +05:30
dma-jz4780.c dmaengine: dma-jz4780: Use struct_size() in devm_kzalloc() 2019-01-07 18:05:17 +05:30
dmaengine.c mm: replace all open encodings for NUMA_NO_NODE 2019-03-05 21:07:14 -08:00
dmaengine.h
dmatest.c dmaengine updates for v5.1-rc1 2019-03-14 09:11:54 -07:00
ep93xx_dma.c dmaengine: ep93xx: fix some typo 2018-11-11 14:56:49 +05:30
fsl-edma-common.c dmaengine: fsl-edma: dma map slave device address 2019-02-04 12:32:53 +05:30
fsl-edma-common.h dmaengine: fsl-edma: dma map slave device address 2019-02-04 12:32:53 +05:30
fsl-edma.c dmaengine: fsl-edma: dma map slave device address 2019-02-04 12:32:53 +05:30
fsl-qdma.c dmaengine: fsl-qdma: add MODULE_LICENSE 2019-01-07 09:50:16 +05:30
fsl_raid.c
fsl_raid.h
fsldma.c dmaengine: fsldma: Replace DMA_IN/OUT by FSL_DMA_IN/OUT 2019-01-07 09:50:16 +05:30
fsldma.h dmaengine: fsldma: Add 64-bit I/O accessors for powerpc64 2019-02-04 12:56:54 +05:30
idma64.c dmaengine: idma64: Use actual device for DMA transfers 2019-03-21 19:48:26 +05:30
idma64.h dmaengine: idma64: Use actual device for DMA transfers 2019-03-21 19:48:26 +05:30
img-mdc-dma.c dmaengine: img-mdc-dma: Use vchan_terminate_vdesc() instead of desc_free 2017-12-04 22:33:51 +05:30
imx-dma.c dmaengine updates for v5.1-rc1 2019-03-14 09:11:54 -07:00
imx-sdma.c dmaengine updates for v5.1-rc1 2019-03-14 09:11:54 -07:00
iop-adma.c
k3dma.c dmaengine: k3dma: Add support for dma-channel-mask 2019-02-04 14:30:57 +05:30
Kconfig dmaengine: fsl-qdma: Add qDMA controller driver for Layerscape SoCs 2019-01-07 09:50:16 +05:30
lpc18xx-dmamux.c
Makefile dmaengine: fsl-qdma: Add qDMA controller driver for Layerscape SoCs 2019-01-07 09:50:16 +05:30
mcf-edma.c dmaengine: fsl-edma: dma map slave device address 2019-02-04 12:32:53 +05:30
mic_x100_dma.c dmaengine: mic_x100_dma: convert to DEFINE_SHOW_ATTRIBUTE 2018-12-17 11:49:41 +05:30
mic_x100_dma.h
mmp_pdma.c dmaengine: mmp_pdma: remove dma_slave_config direction usage 2018-11-05 10:32:46 +05:30
mmp_tdma.c Merge branch 'topic/dmam' into for-linus 2018-10-24 09:15:43 +01:00
moxart-dma.c treewide: Use struct_size() for kmalloc()-family 2018-06-06 11:15:43 -07:00
mpc512x_dma.c
mv_xor.c Merge branch 'topic/mv' into for-linus 2019-03-12 12:04:16 +05:30
mv_xor.h
mv_xor_v2.c dmaengine: mv_xor_v2: use {lower,upper}_32_bits to configure HW descriptor address 2018-07-25 17:53:22 +05:30
mxs-dma.c cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
nbpfaxi.c Merge branch 'topic/renesas' into for-linus 2018-10-24 09:16:22 +01:00
of-dma.c
owl-dma.c dmaengine: owl: Fix warnings generated during build 2018-10-15 22:39:16 +05:30
pch_dma.c PCI: Move Rohm Vendor ID to generic list 2019-02-01 17:24:52 -06:00
pl330.c dmaengine: pl330: drop useless LIST_HEAD 2019-01-07 09:49:26 +05:30
pxa_dma.c dmaengine-4.21-rc1 2019-01-01 15:45:48 -08:00
s3c24xx-dma.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
sa11x0-dma.c dmaengine: sa11x0: drop useless LIST_HEAD 2019-01-07 09:49:26 +05:30
sirf-dma.c
sprd-dma.c dmaengine: sprd: Change channel id to slave id for DMA cell specifier 2019-02-25 12:11:19 +05:30
st_fdma.c dmaengine: st_fdma: use struct_size() in kzalloc() 2019-01-07 18:05:22 +05:30
st_fdma.h
ste_dma40.c dmaengine: ste_dma40: remove dma_slave_config direction usage 2018-11-24 20:22:21 +05:30
ste_dma40_ll.c
ste_dma40_ll.h
stm32-dma.c dmaengine: stm32-dma: Add PM Runtime support 2019-01-07 09:52:24 +05:30
stm32-dmamux.c dmaengine: stm32-dmamux: Add PM Runtime support 2019-01-07 09:52:24 +05:30
stm32-mdma.c dmaengine: stm32-mdma: Add PM Runtime support 2019-01-07 09:52:24 +05:30
sun4i-dma.c
sun6i-dma.c
tegra20-apb-dma.c dmaengine: tegra-apb: Use struct_size() in devm_kzalloc() 2019-01-07 18:07:58 +05:30
tegra210-adma.c dmaengine: tegra210-adma: Use struct_size() in devm_kzalloc() 2019-01-20 10:48:23 +05:30
timb_dma.c dmaengine: timb_dma: Use struct_size() in kzalloc() 2019-01-20 10:50:07 +05:30
TODO
txx9dmac.c dmaengine: txx9dmac: simplify getting .drvdata 2018-04-22 21:38:06 +05:30
txx9dmac.h
uniphier-mdmac.c dmaengine: uniphier-mdmac: add UniPhier MIO DMAC driver 2018-11-24 19:42:59 +05:30
virt-dma.c dmaengine: virt-dma: Add helper to free/reuse a descriptor 2017-12-04 22:33:51 +05:30
virt-dma.h dmaengine: virt-dma: Support for race free transfer termination 2017-12-04 22:33:51 +05:30
xgene-dma.c cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
zx_dma.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00