AuxXxilium/linux_dsm_epyc7002
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9295c41d77
linux_dsm_epyc7002/drivers/dma
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Ludovic Desroches 9295c41d77 dmaengine: at_xdmac: double FIFO flush needed to compute residue 
Due to the way CUBC register is updated, a double flush is needed to
compute an accurate residue. First flush aim is to get data from the DMA
FIFO and second one ensures that we won't report data which are not in
memory.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Fixes: e1f7c9eee7 ("dmaengine: at_xdmac: creation of the atmel
eXtended DMA Controller driver")
Cc: stable@vger.kernel.org #v4.1 and later
Reviewed-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-05-30 10:47:52 +05:30
..
bestcomm dmaengine: constify of_device_id array 2015-03-18 22:13:14 +05:30
dw dmaengine: dw: pass platform data via struct dw_dma_chip 2016-05-02 15:31:05 +05:30
hsu dmaengine updates for 4.7 2016-05-19 11:47:18 -07:00
ioat dmaengine: ioatdma: disable relaxed ordering for ioatdma 2016-05-14 13:36:52 +05:30
ipu genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
ppc4xx dmaengine: Remove FSF mailing addresses 2015-03-16 22:28:15 +05:30
qcom dmaengine: qcom_hidma: add support for object hierarchy 2016-05-14 11:54:45 +05:30
sh dmaengine: rcar-dmac: clear pertinence number of channels 2016-03-03 21:51:14 +05:30
xilinx dmaengine updates for 4.7 2016-05-19 11:47:18 -07:00
acpi-dma.c dmaengine: acpi-dma: align debug message with flow 2016-02-22 09:06:09 +05:30
amba-pl08x.c dmaengine: pl08x: allocate OF slave channel data at probe time 2016-04-05 16:53:41 -07:00
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: at_xdmac: double FIFO flush needed to compute residue 2016-05-30 10:47:52 +05:30
bcm2835-dma.c dmaengine: bcm2835: fix typo/added newline in legacy-mode warning message 2016-05-02 15:08:19 +05:30
coh901318_lli.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-02-26 09:24:48 -08:00
coh901318.c dmaengine: Add an enum for the dmaengine alignment constraints 2015-08-05 10:53:52 +05:30
coh901318.h dma: coh901318: merge header files 2013-01-07 17:36:37 +01:00
cppi41.c dmaengine: cppi41: add missing bitfields 2015-04-11 21:12:58 +05:30
dma-axi-dmac.c dmaengine: axi_dmac: Add synchronization support 2015-11-16 08:28:52 +05:30
dma-jz4740.c Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2015-04-24 09:49:37 -07:00
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 dmaengine: consolidate initialization of cookies 2012-03-13 11:37:22 +05:30
dmatest.c kernel/params: constify struct kernel_param_ops uses 2015-05-28 11:32:10 +09:30
edma.c dmaengine updates for 4.7 2016-05-19 11:47:18 -07:00
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: statify fsl_re_chan_probe 2015-04-02 16:11:35 +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: add PM suspend/resume support 2015-12-05 15:52:13 +05:30
fsldma.c dmaengine: fsldma: Use dma_pool_zalloc 2016-05-03 12:23:25 +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: Add an enum for the dmaengine alignment constraints 2015-08-05 10:53:52 +05:30
imx-sdma.c dmaengine: imx-sdma: remove __init annotation on sdma_event_remap 2015-11-16 09:14:25 +05:30
iop-adma.c dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc() 2016-03-09 14:57:51 +01:00
k3dma.c dmaengine: Add an enum for the dmaengine alignment constraints 2015-08-05 10:53:52 +05:30
Kconfig Merge branch 'topic/xilinx' into for-linus 2016-05-17 10:15:34 +05:30
lpc18xx-dmamux.c dmaengine: add driver for lpc18xx dmamux 2015-08-18 22:12:14 +05:30
Makefile dmaengine: tegra-adma: Add support for Tegra210 ADMA 2016-05-13 14:56:24 +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: Use dma_pool_zalloc 2016-05-03 12:23:11 +05:30
mmp_tdma.c dmaengine: Add an enum for the dmaengine alignment constraints 2015-08-05 10:53:52 +05:30
moxart-dma.c dmaengine: moxart-dma: Fix module autoload for OF platform driver 2015-10-01 07:34:31 +05:30
mpc512x_dma.c dmaengine: mpc512x: Fix code style 2016-04-04 09:50:10 -07:00
mv_xor.c dmaengine: mv_xor: add support for Armada 3700 SoC 2016-05-03 12:27:47 +05:30
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: Constify platform_device_id 2015-05-04 16:38:55 +05:30
of-dma.c dmaengine: of_dma: approximate an average distribution 2016-05-14 13:34:10 +05:30
omap-dma.c dmaengine: omap-dma: Do not suppress interrupts for memcpy 2016-04-05 09:09:42 -07:00
pch_dma.c dmaengine: Remove remaining FSF mailing addresses 2015-07-06 19:18:53 +05:30
pl330.c dmaengine: pl330: fix to support the burst mode 2016-03-01 09:11:25 +05:30
pxa_dma.c dmaengine: pxa_dma: remove duplicate const qualifier 2016-04-26 21:59:46 +05:30
s3c24xx-dma.c dmaengine: s3c24xx: Constify platform_device_id 2015-05-04 16:38:55 +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: use __maybe_unused to hide pm functions 2016-03-04 20:31:35 +05:30
ste_dma40_ll.c dmaengine: ste_dma40_ll: Replace meaningless register set with comment 2013-06-04 11:12:10 +02:00
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 ste_dma40: Delete an unnecessary variable initialisation in d40_probe() 2015-12-10 09:17:10 +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: Add cyclic capability 2016-05-02 15:59:02 +05:30
tegra20-apb-dma.c dmaengine: tegra-apb: proper default init of channel slave_id 2016-05-02 15:23:56 +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: dra7: Support for reserving DMA event ranges 2015-11-30 15:09:16 +05:30
timb_dma.c dmaengine: Remove remaining FSF mailing addresses 2015-07-06 19:18:53 +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: txx9: Rename device_control 2014-12-22 12:33:22 +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