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3b6d694eb3
linux/drivers/dma
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Serge Semin 3b6d694eb3 dmaengine: Introduce DMA-device device_caps callback 
There are DMA devices (like ours version of Synopsys DW DMAC) which have
DMA capabilities non-uniformly redistributed between the device channels.
In order to provide a way of exposing the channel-specific parameters to
the DMA engine consumers, we introduce a new DMA-device callback. In case
if provided it gets called from the dma_get_slave_caps() method and is
able to override the generic DMA-device capabilities.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200723005848.31907-6-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-27 14:30:55 +05:30
..
bestcomm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
dw dmaengine: dw: Replace 'objs' by 'y' 2020-06-16 21:54:47 +05:30
dw-axi-dmac dmaengine: virt-dma: Add missing locking 2019-12-26 10:04:18 +05:30
dw-edma dmaengine: dw-edma: support local dma device transfer semantics 2020-05-04 14:24:27 +05:30
fsl-dpaa2-qdma dmaengine: fsl-dpaa2-qdma: remove set but not used variable 'dpaa2_qdma' 2020-03-06 19:04:55 +05:30
hsu dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
idxd dmaengine: idxd: move idxd interrupt handling to mask instead of ignore 2020-07-13 14:48:02 +05:30
ioat dmaengine: ioat: Fix some parameter misspelling and provide description for phys_complete 2020-07-15 17:50:57 +05:30
ipu treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mediatek dmaengine: mediatek: mtk-hsdma: Fix formatting in 'struct mtk_hsdma_pdesc' doc block 2020-07-15 17:50:46 +05:30
ppc4xx dmaengine: ppc4xx: Use scnprintf() for avoiding potential buffer overflow 2020-03-11 15:10:45 +05:30
qcom treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
sf-pdma dmaengine: sf-pdma: Simplify the error handling path in 'sf_pdma_probe()' 2020-05-13 17:07:50 +05:30
sh dmaengine: fix spelling mistake "exceds" -> "exceeds" 2020-03-23 11:39:49 +05:30
ti dmaengine: ti: k3-udma: Query throughput level information from hardware 2020-07-27 14:23:03 +05:30
xilinx dmaengine: zynqmp_dma: Move list_del inside zynqmp_dma_free_descriptor. 2020-05-15 11:21:11 +05:30
acpi-dma.c dmaengine: acpi: Drop double check for ACPI companion device 2020-06-24 11:28:41 +05:30
altera-msgdma.c dmaengine: altera-msgdma: Fix struct documentation blocks 2020-07-15 17:50:46 +05:30
amba-pl08x.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
at_hdmac_regs.h dmaengine: at_hdmac: Replace zero-length array with flexible-array 2020-05-13 20:25:16 +05:30
at_hdmac.c dmaengine: at_hdmac: Repair parameter misspelling and demote non-kerneldoc headers 2020-07-15 17:50:46 +05:30
at_xdmac.c dmaengine: at_xdmac: Replace zero-length array with flexible-array 2020-05-13 20:25:41 +05:30
bcm2835-dma.c dmaengine: bcm2835: do not call vchan_vdesc_fini() with lock held 2019-12-26 10:04:18 +05:30
bcm-sba-raid.c dmaengine: bcm-sba-raid: Replace zero-length array with flexible-array member 2020-02-13 20:15:35 +05:30
coh901318_lli.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
coh901318.c dmaengine: coh901318: Fix a double lock bug in dma_tc_handle() 2020-02-24 21:59:45 +05:30
coh901318.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
dma-axi-dmac.c dmaengine: axi-dmac: add a check for devm_regmap_init_mmio 2019-12-11 16:11:50 +05:30
dma-jz4780.c dmaengine updates for v5.6-rc1 2020-01-27 10:55:50 -08:00
dmaengine.c dmaengine: Introduce DMA-device device_caps callback 2020-07-27 14:30:55 +05:30
dmaengine.h dmaengine: Create debug directories for DMA devices 2020-03-11 14:56:14 +05:30
dmatest.c dmaengine: cookie bypass for out of order completion 2020-06-17 19:45:14 +05:30
ep93xx_dma.c dmaengine: ep93xx_dma: Provide some missing struct attribute documentation 2020-07-15 17:50:46 +05:30
fsl_raid.c dmaengine: fsl_raid: make of_device_ids const. 2017-06-29 09:25:28 +05:30
fsl_raid.h dmaengine: Driver support for FSL RaidEngine device. 2015-04-02 16:10:27 +05:30
fsl-edma-common.c dmaengine: fsl-edma: Add eDMA support for QorIQ LS1028A platform 2019-12-18 11:55:46 +05:30
fsl-edma-common.h dmaengine: fsl-edma: Add eDMA support for QorIQ LS1028A platform 2019-12-18 11:55:46 +05:30
fsl-edma.c dmaengine: fsl-edma: Add eDMA support for QorIQ LS1028A platform 2019-12-18 11:55:46 +05:30
fsl-qdma.c dmaengine: Extend NXP QDMA driver to check transmission errors 2020-07-17 11:50:03 +05:30
fsldma.c dmaengine: fsldma: Mark expected switch fall-through 2019-08-20 19:42:34 -05:00
fsldma.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 40 2019-05-24 17:27:12 +02:00
hisi_dma.c dmaengine: hisilicon: Use struct_size() in devm_kzalloc() 2020-06-24 11:26:23 +05:30
idma64.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
idma64.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
img-mdc-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422 2019-06-05 17:37:15 +02:00
imx-dma.c dmaengine: imx-dma: Mark expected switch fall-through 2019-07-31 20:49:04 +05:30
imx-sdma.c dmaengine: imx-sdma: Correct formatting issue and provide 2 new descriptions 2020-07-15 17:50:47 +05:30
iop-adma.c dmaengine: iop-adma: Function parameter documentation must adhere to correct formatting 2020-07-15 17:50:47 +05:30
iop-adma.h dma: iop-adma: allow building without platform headers 2019-08-14 15:36:22 +02:00
k3dma.c dmaengine: k3dma: Avoid null pointer traversal 2019-12-23 13:21:14 +05:30
Kconfig dmaengine: idxd: fix PCI_MSI build errors 2020-07-15 11:33:39 +05:30
lpc18xx-dmamux.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Makefile dmaengine: uniphier-xdmac: Add UniPhier external DMA controller driver 2020-03-02 14:54:34 +05:30
mcf-edma.c dmaengine: fsl-edma: add drvdata for fsl-edma 2019-07-03 13:28:22 +05:30
mic_x100_dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
mic_x100_dma.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 290 2019-06-05 17:36:38 +02:00
milbeaut-hdmac.c dmaengine: milbeaut-hdmac: remove redundant error log 2019-11-08 09:26:17 +05:30
milbeaut-xdmac.c dmaengine: milbeaut-xdmac: remove redundant error log 2019-11-08 09:26:17 +05:30
mmp_pdma.c dmaengine: mmp_pdma: Demote obvious misuse of kerneldoc to standard comment blocks 2020-07-15 17:50:46 +05:30
mmp_tdma.c dmaengine: mmp_tdma: share the IRQ line 2020-06-16 21:59:01 +05:30
moxart-dma.c dmaengine: moxart-dma: Drop pointless static qualifier in moxart_probe() 2020-05-13 17:33:17 +05:30
mpc512x_dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
mv_xor_v2.c dmaengine: mv_xor_v2: Supply some missing 'struct mv_xor_v2_device' attribute docs 2020-07-15 17:50:47 +05:30
mv_xor.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
mv_xor.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
mxs-dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
nbpfaxi.c dmaengine: nbpfaxi: Provide some missing attribute docs and split out slave info 2020-07-15 17:50:47 +05:30
of-dma.c dmaengine: of-dma: Fix misspellings/formatting issues in some function headers 2020-07-15 17:50:46 +05:30
owl-dma.c dmaengine: owl: Use correct lock in owl_dma_get_pchan() 2020-05-04 14:25:06 +05:30
pch_dma.c dmaengine: pch_dma.c: Avoid data race between probe and irq handler 2020-04-23 11:47:16 +05:30
pl330.c dmaengine: pl330: Demote obvious misuse of kerneldoc to standard comment block 2020-07-15 17:50:46 +05:30
plx_dma.c dmaengine: plx-dma: Implement descriptor submission 2020-01-15 19:40:51 +05:30
pxa_dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
s3c24xx-dma.c dmaengine: s3c24xx-dma: fix spelling mistake "to" -> "too" 2020-01-23 17:03:25 +05:30
sa11x0-dma.c dmaengine: sa11x0: Replace zero-length array with flexible-array member 2020-02-19 17:48:40 +05:30
sirf-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4 2019-05-21 11:28:40 +02:00
sprd-dma.c dmaengine: sprd: Set request pending flag when DMA controller is active 2020-03-23 11:38:24 +05:30
st_fdma.c dmaengine: Remove dev_err() usage after platform_get_irq() 2019-07-31 20:50:53 +05:30
st_fdma.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ste_dma40_ll.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
ste_dma40_ll.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
ste_dma40.c dmaengine: ste_dma40: Supply 2 missing struct attribute descriptions 2020-07-15 17:50:46 +05:30
stm32-dma.c dmaengine: stm32-dma: direct mode support through device tree 2020-04-27 21:40:12 +05:30
stm32-dmamux.c dmaengine: stm32-dmamux: driver defers probe for clock and reset 2020-02-24 22:22:44 +05:30
stm32-mdma.c dmaengine: stm32-mdma: use vchan_terminate_vdesc() in .terminate_all 2020-02-24 22:20:01 +05:30
sun4i-dma.c dmaengine: sun4i-dma: Demote obvious misuse of kerneldoc to standard comment blocks 2020-07-15 17:50:47 +05:30
sun6i-dma.c dmaengine: Remove dev_err() usage after platform_get_irq() 2019-07-31 20:50:53 +05:30
tegra20-apb-dma.c dmaengine: tegra-apb: Ensure that clock is enabled during of DMA synchronization 2020-04-27 21:35:35 +05:30
tegra210-adma.c dmaengine: tegra210-adma: Fix an error handling path in 'tegra_adma_probe()' 2020-05-19 22:26:01 +05:30
timb_dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
TODO
txx9dmac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
txx9dmac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
uniphier-mdmac.c dmaengine: uniphier-mdmac: replace zero-length array with flexible-array member 2020-02-13 20:15:57 +05:30
uniphier-xdmac.c dmaengine: uniphier-xdmac: Remove redandant error log for platform_get_irq 2020-03-26 12:22:56 +05:30
virt-dma.c dmaengine updates for v5.6-rc1 2020-01-27 10:55:50 -08:00
virt-dma.h dmaengine: virt-dma: Add missing locking around list operations 2019-12-26 10:04:18 +05:30
xgene-dma.c dmaengine: xgene-dma: Provide descriptions for 'dev' and 'clk' in device's ddata 2020-07-15 17:50:47 +05:30
zx_dma.c dmaengine: zx: remove: removed dmam_pool_destroy 2019-11-14 12:16:53 +05:30