AuxXxilium/linux_dsm_epyc7002
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83ef4fb755
linux_dsm_epyc7002/drivers/dma
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Daniel Silsby 83ef4fb755 dmaengine: dma-jz4780: Further residue status fix 
Func jz4780_dma_desc_residue() expects the index to the next hw
descriptor as its last parameter. Caller func jz4780_dma_tx_status(),
however, applied modulus before passing it. When the current hw
descriptor was last in the list, the index passed became zero.

The resulting excess of reported residue especially caused problems
with cyclic DMA transfer clients, i.e. ALSA AIC audio output, which
rely on this for determining current DMA location within buffer.

Combined with the recent and related residue-reporting fixes, spurious
ALSA audio underruns on jz4770 hardware are now fixed.

Signed-off-by: Daniel Silsby <dansilsby@gmail.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2018-09-11 12:59:26 +05:30
..
bestcomm treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
dw dmaengine: dw: simplify getting .drvdata 2018-04-22 11:50:56 +05:30
dw-axi-dmac dmaengine: dw-axi-dmac: fix spelling mistake: "catched" -> "caught" 2018-03-27 17:44:39 +05:30
hsu dmaengine: hsu: Support dmaengine_terminate_sync() 2018-07-10 21:10:44 +05:30
ioat dmaengine: ioatdma: set the completion address register after channel reset 2018-06-19 10:00:16 +05:30
ipu treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
mediatek dmaengine: mediatek: Add MediaTek High-Speed DMA controller for MT7622 and MT7623 SoC 2018-03-27 15:18:15 +05:30
ppc4xx Merge branch 'topic/ppc4xx' into for-linus 2017-09-06 21:54:41 +05:30
qcom dmaengine updates for 4.18-rc1 2018-06-08 11:02:21 -07:00
sh dmaengine: sh: rcar-dmac: Should not stop the DMAC by rcar_dmac_sync_tcr() 2018-07-31 09:57:27 +05:30
ti dmaengine: ti: omap-dma: Fix OMAP1510 incorrect residue_granularity 2018-06-19 09:59:13 +05:30
xilinx dmaengine: xilinx_dma: Enable VDMA S2MM vertical flip support 2018-06-29 14:20:00 +05:30
acpi-dma.c dmaengine: acpi-dma: align debug message with flow 2016-02-22 09:06:09 +05:30
altera-msgdma.c dmaengine: altera: Use IRQ-safe spinlock calls in the error paths as well 2017-10-20 11:51:10 +05:30
amba-pl08x.c dmaengine: amba-pl08x: Use vchan_terminate_vdesc() instead of desc_free 2017-12-04 22:33:51 +05:30
at_hdmac_regs.h dmaengine: at_hdmac: Remove unnecessary 0x prefixes before %pad 2017-11-08 10:47:04 +05:30
at_hdmac.c dmaengine: at_hdmac: simplify getting .drvdata 2018-04-22 21:34:58 +05:30
at_xdmac.c dmaengine: at_xdmac: simplify getting .drvdata 2018-04-22 21:36:10 +05:30
bcm2835-dma.c dmaengine: bcm2835-dma: Use vchan_terminate_vdesc() instead of desc_free 2017-12-04 22:33:51 +05:30
bcm-sba-raid.c treewide: Use struct_size() for devm_kmalloc() and friends 2018-06-06 11:15:43 -07:00
coh901318_lli.c dmaengine: coh901318: use NULL for pointer initialization 2016-09-26 22:28:24 +05:30
coh901318.c dmaengine: coh901318: Remove unnecessary 0x prefixes before %pad 2017-11-08 10:46:46 +05:30
coh901318.h
dma-axi-dmac.c dmaengine: axi-dmac: Request IRQ with IRQF_SHARED 2018-05-02 10:06:42 +05:30
dma-jz4740.c dmaengine: jz4740: disable/unprepare clk if probe fails 2017-12-11 09:00:06 +05:30
dma-jz4780.c dmaengine: dma-jz4780: Further residue status fix 2018-09-11 12:59:26 +05:30
dmaengine.c Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax 2018-08-26 11:48:42 -07:00
dmaengine.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dmatest.c dmaengine: dmatest: Remove use of VLAs 2018-04-16 21:05:54 +05:30
ep93xx_dma.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
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.c dmaengine: fsl-edma: disable clks on all error paths 2017-12-15 09:53:04 +05:30
fsldma.c dmaengine: fsldma: simplify getting .drvdata 2018-04-22 21:37:17 +05:30
fsldma.h dmaengine: fsldma: set BWC, DAHTS and SAHTS values correctly 2017-06-22 18:31:35 +05:30
idma64.c dmaengine: idma64: Support dmaengine_terminate_sync() 2018-07-10 21:10:44 +05:30
idma64.h asm-generic changes for 4.6 2016-03-24 23:13:48 -07:00
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: imx-dma: Switch to SPDX identifier 2018-05-23 11:10:32 +05:30
imx-sdma.c dmaengine: imx-sdma: add memcpy interface 2018-07-30 10:33:58 +05:30
iop-adma.c dmaengine: iop-adma: convert callback to helper function 2016-08-08 08:11:39 +05:30
k3dma.c dmaengine: k3dma: Off by one in k3_of_dma_simple_xlate() 2018-06-28 11:57:21 +05:30
Kconfig dmaengine: dma-jz4780: Don't depend on MACH_JZ4780 2018-09-11 12:59:26 +05:30
lpc18xx-dmamux.c dmaengine: add driver for lpc18xx dmamux 2015-08-18 22:12:14 +05:30
Makefile dmaengine: Add Actions Semi Owl family S900 DMA driver 2018-08-09 08:16:00 +05:30
mic_x100_dma.c dmaengine: mic_x100_dma: use the new helper to simplify the code 2018-07-30 10:50:22 +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: convert callback to helper function 2016-08-08 08:11:39 +05:30
mmp_tdma.c Merge branch 'topic/err_reporting' into for-linus 2016-10-03 09:17:33 +05:30
moxart-dma.c treewide: Use struct_size() for kmalloc()-family 2018-06-06 11:15:43 -07:00
mpc512x_dma.c Merge branch 'topic/err_reporting' into for-linus 2016-10-03 09:17:33 +05:30
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
mv_xor.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
mv_xor.h dmaengine: mv_xor: Add support for scatter-gather DMA mode 2016-11-25 11:16:36 +05:30
mxs-dma.c dmaengine: mxs-dma: Switch to SPDX identifier 2018-05-23 11:10:31 +05:30
nbpfaxi.c dmaengine: nbpfaxi: Mark expected switch fall-through 2018-07-09 17:01:35 +05:30
of-dma.c dmaengine: Convert to using %pOF instead of full_name 2017-07-19 09:30:44 +05:30
owl-dma.c dmaengine: Add Actions Semi Owl family S900 DMA driver 2018-08-09 08:16:00 +05:30
pch_dma.c dmaengine: pch_dma: Replace PCI pool old API 2017-10-31 17:01:06 +05:30
pl330.c DMAengine updates for v4.19-rc1 2018-08-18 15:55:59 -07:00
pxa_dma.c dmaengine: pxa: add a default requestor policy 2018-06-18 21:29:23 +02:00
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 treewide: Use struct_size() for kmalloc()-family 2018-06-06 11:15:43 -07:00
sirf-dma.c dmaengine: sirf-dma: remove unused ‘sdesc’ 2016-12-12 22:25:22 +05:30
sprd-dma.c dmaengine updates for 4.18-rc1 2018-06-08 11:02:21 -07:00
st_fdma.c dmaengine: st_fdma: Fix the error return code in st_fdma_probe() 2016-10-19 22:29:33 +05:30
st_fdma.h dmaengine: st_fdma: Add STMicroelectronics FDMA driver header file 2016-10-18 20:12:06 +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
ste_dma40.c dmaengine: ste_dma40: Remove VLA usage 2018-07-02 17:46:24 +05:30
stm32-dma.c dmaengine: stm32: replace "%p" with "%pK" 2018-07-09 23:01:57 +05:30
stm32-dmamux.c dmaengine: stm32-dmamux: fix a potential buffer overflow 2018-03-22 10:51:35 +05:30
stm32-mdma.c dmaengine: stm32: replace "%p" with "%pK" 2018-07-09 23:01:57 +05:30
sun4i-dma.c dmaengine: sun4i: fix invalid argument 2017-04-24 09:50:05 +05:30
sun6i-dma.c dmaengine: sun6i: Retrieve channel count/max request from devicetree 2017-10-23 11:44:03 +05:30
tegra20-apb-dma.c dmaengine: tegra-apb: Support non-flow controlled slave configuration 2017-11-29 19:35:05 +05:30
tegra210-adma.c dmaengine: tegra210-adma: fix of_irq_get() error check 2017-08-09 11:39:16 +05:30
timb_dma.c dmaengine: timb_dma: fix spelling mistake: "Couldnt" -> "Couldn't" 2017-12-11 08:57:38 +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: simplify getting .drvdata 2018-04-22 21:38:06 +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: 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 dmaengine: xgene-dma: remove unused xgene_dma_invalidate_buffer 2017-08-22 22:13:44 +05:30
zx_dma.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00