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5881826ded
linux/drivers/dma
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Nandor Han 5881826ded dmaengine: imx-sdma - update the residue calculation for cyclic channels 
The calculation of the DMA transaction residue supports only fixed
size data transfers. This implementation is not covering all
operations (e.g. data receiving) when we need to know the exact amount
of bytes transferred.

The loop channels handling was changed to clear the buffer
descriptor errors and use the bd->mode.count to calculate the
residue.

Tested-by: Peter Senna Tschudin <peter.senna@collabora.com>
Acked-by: Peter Senna Tschudin <peter.senna@collabora.com>
Reviewed-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-08-31 16:27:28 +02:00
..
bestcomm dmaengine: Remove site specific OOM error messages on kzalloc 2016-06-21 21:35:00 +05:30
dw dmaengine: dw: override LLP support if asked in platform data 2016-08-31 16:13:29 +02:00
hsu dmaengine: hsu: Export hsu_dma_get_status() 2016-06-25 14:30:42 -07:00
ioat dmaengine: ioat: statify symbol 2016-07-23 16:07:29 +05:30
ipu genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
ppc4xx dmaengine: Remove site specific OOM error messages on kzalloc 2016-06-21 21:35:00 +05:30
qcom Merge branch 'topic/dmaengine_cleanups' into for-linus 2016-07-28 10:10:37 +05:30
sh Merge branch 'topic/sh' into for-linus 2016-07-16 20:10:17 +05:30
xilinx dmaengine: zynqmp_dma: add missing MODULE_LICENSE 2016-07-24 11:55:17 +05:30
acpi-dma.c dmaengine: acpi-dma: align debug message with flow 2016-02-22 09:06:09 +05:30
amba-pl08x.c dmaengine: Remove site specific OOM error messages on kzalloc 2016-06-21 21:35:00 +05:30
at_hdmac_regs.h dmaengine: at_hdmac: use %pad format string for dma_addr_t 2015-11-16 09:21:05 +05:30
at_hdmac.c dmaengine: at_hdmac: use %pad format string for dma_addr_t 2015-11-16 09:21:05 +05:30
at_xdmac.c dmaengine updates for 4.8-rc1 2016-07-28 15:45:17 -07:00
bcm2835-dma.c dmaengine: bcm2835: fix 64-bit warning 2016-07-06 22:39:43 +05:30
coh901318_lli.c
coh901318.c dmaengine: coh901318: remove owner assignment 2016-07-23 16:07:25 +05:30
coh901318.h
cppi41.c dmaengine: cppi: remove unused and bogus check 2016-07-23 16:07:27 +05:30
dma-axi-dmac.c dmaengine: axi-dmac: Return IRQ_NONE if no IRQs are pending 2016-07-01 22:56:41 +05:30
dma-jz4740.c dmaengine: jz4740: kill the tasklets upon exit 2016-07-16 20:19:00 +05:30
dma-jz4780.c dmaengine: jz4780: Kill tasklets before unregistering the device 2015-08-18 22:28:50 +05:30
dmaengine.c Merge branch 'topic/core' into for-linus 2016-05-17 10:13:40 +05:30
dmaengine.h
dmatest.c dmaengine: dmatest: Add support for scatter-gather DMA mode 2016-07-16 20:17:26 +05:30
edma.c dmaengine: edma: kill the tasklets upon exit 2016-07-16 20:18:58 +05:30
ep93xx_dma.c dmaengine: ep93xx: Treat STALL and NFB IRQs same way 2016-01-25 09:49:55 +05:30
fsl_raid.c dmaengine: fsl_raid: remove owner assignment 2016-07-23 16:07:26 +05:30
fsl_raid.h dmaengine: Driver support for FSL RaidEngine device. 2015-04-02 16:10:27 +05:30
fsl-edma.c dmaengine: fsl-edma: kill the tasklets upon exit 2016-07-16 20:19:00 +05:30
fsldma.c dmaengine: Remove site specific OOM error messages on kzalloc 2016-06-21 21:35:00 +05:30
fsldma.h dmaengine: fsldma: declare slave capabilities for the generic code 2015-01-13 23:58:08 +05:30
idma64.c dmaengine: idma64: clear LLP_[SD]_EN bits in last descriptor 2016-02-15 22:06:45 +05:30
idma64.h asm-generic changes for 4.6 2016-03-24 23:13:48 -07:00
img-mdc-dma.c dmaengine: mdc: Correct terminate_all handling 2015-12-18 11:12:29 +05:30
imx-dma.c dmaengine: imx-dma: fix coding style issue 2016-07-16 20:19:01 +05:30
imx-sdma.c dmaengine: imx-sdma - update the residue calculation for cyclic channels 2016-08-31 16:27:28 +02:00
iop-adma.c dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc() 2016-03-09 14:57:51 +01:00
k3dma.c Merge branch 'topic/dmaengine_cleanups' into for-linus 2016-07-28 10:10:37 +05:30
Kconfig Merge branch 'topic/xilinx' into for-linus 2016-07-16 20:10:54 +05:30
lpc18xx-dmamux.c dmaengine: add driver for lpc18xx dmamux 2015-08-18 22:12:14 +05:30
Makefile dmaengine: mv_xor_v2: new driver 2016-07-12 10:09:53 +05:30
mic_x100_dma.c dma/mic_x100_dma: IS_ERR() vs PTR_ERR() typo 2016-03-03 21:13:01 +05:30
mic_x100_dma.h dmaengine: Add an enum for the dmaengine alignment constraints 2015-08-05 10:53:52 +05:30
mmp_pdma.c dmaengine: mmp_pdma: explicitly freeup irq 2016-07-16 20:19:03 +05:30
mmp_tdma.c dmaengine: mmp_tdma: statify symbols 2016-07-16 20:19:03 +05:30
moxart-dma.c dmaengine: moxart-dma: explicitly freeup irq 2016-07-16 20:19:03 +05:30
mpc512x_dma.c dmaengine: mpc512x: kill the tasklets upon exit 2016-07-16 20:19:05 +05:30
mv_xor_v2.c dmaengine: mv_xor_v2: remove trailing whitespace 2016-07-12 10:10:00 +05:30
mv_xor.c dmaengine updates for 4.8-rc1 2016-07-28 15:45:17 -07:00
mv_xor.h dmaengine: mv_xor: use SoC type instead of directly the operation mode 2016-05-03 12:27:47 +05:30
mxs-dma.c dmaengine: mxs: Constify platform_device_id 2015-05-04 16:38:55 +05:30
nbpfaxi.c dmaengine: nbpfaxi: kill the tasklets upon exit 2016-07-16 20:19:04 +05:30
of-dma.c dmaengine: of_dma: approximate an average distribution 2016-05-14 13:34:10 +05:30
omap-dma.c Merge branch 'topic/dmaengine_cleanups' into for-linus 2016-07-28 10:10:37 +05:30
pch_dma.c dmaengine: Remove remaining FSF mailing addresses 2015-07-06 19:18:53 +05:30
pl330.c dmaengine: pl330: explicitly freeup irq 2016-07-16 20:19:05 +05:30
pxa_dma.c dmaengine: pxa_dma: implement device_synchronize 2016-07-23 16:07:29 +05:30
s3c24xx-dma.c dmaengine: s3c24xx: kill the tasklets upon exit 2016-07-23 16:07:24 +05:30
sa11x0-dma.c dmaengine: sa11x0: report slave capabilities to upper layers 2015-04-17 23:24:35 +05:30
sirf-dma.c dmaengine: sirf-dma: kill the tasklets upon exit 2016-07-23 16:07:24 +05:30
ste_dma40_ll.c dmaengine: ste_dma40_ll: make d40_width_to_bits static 2016-06-08 08:59:55 +05:30
ste_dma40_ll.h dmaengine: ste_dma40: Remove unnecessary call to d40_phy_cfg() 2013-05-23 21:13:19 +02:00
ste_dma40.c dmaengine: Remove site specific OOM error messages on kzalloc 2016-06-21 21:35:00 +05:30
stm32-dma.c dmaengine: stm32-dma: Fix unchecked deference of chan->desc 2015-12-10 09:45:22 +05:30
sun4i-dma.c remove lots of IS_ERR_VALUE abuses 2016-05-27 15:26:11 -07:00
sun6i-dma.c dmaengine: sun6i-dma: Only calculate residue if state exists. 2016-06-21 21:35:00 +05:30
tegra20-apb-dma.c Merge branch 'topic/tegra' into for-linus 2016-07-16 20:10:42 +05:30
tegra210-adma.c dmaengine: tegra-adma: Add support for Tegra210 ADMA 2016-05-13 14:56:24 +05:30
ti-dma-crossbar.c dmaengine: ti-dma-crossbar: make omap_dmaxbar_init static 2016-06-28 20:09:54 +05:30
timb_dma.c dmaengine: Remove site specific OOM error messages on kzalloc 2016-06-21 21:35:00 +05:30
TODO dmaengine: dw: don't perform DMA when dmaengine_submit is called 2014-07-15 22:14:30 +05:30
txx9dmac.c dmaengine: txx9dmac: explicitly freeup irq 2016-07-23 16:07:25 +05:30
txx9dmac.h MIPS: Replace MIPS-specific 64BIT_PHYS_ADDR with generic PHYS_ADDR_T_64BIT 2014-11-24 22:46:44 +01:00
virt-dma.c dmaengine: virt-dma: don't always free descriptor upon completion 2015-11-16 08:32:16 +05:30
virt-dma.h Merge branch 'topic/async' into for-linus 2016-01-06 15:17:47 +05:30
xgene-dma.c dmaengine: xgene-dma: Fix double IRQ issue by setting IRQ_DISABLE_UNLAZY flag 2016-01-07 11:09:36 +05:30
zx296702_dma.c dmaengine updates for 4.4-rc1 2015-11-10 10:05:17 -08:00