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Dmitry Osipenko 62f0bcb73c dmaengine: tegra-apb: Prevent race conditions on channel's freeing 
[ Upstream commit 8e84172e37 ]

It's incorrect to check the channel's "busy" state without taking a lock.
That shouldn't cause any real troubles, nevertheless it's always better
not to have any race conditions in the code.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20200209163356.6439-5-digetx@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-01 13:12:35 +02:00
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bestcomm
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dw
dmaengine: dw: platform: Switch to acpi_dma_controller_register()
2020-01-27 14:46:43 +01:00
hsu
dmaengine: hsu: Revert "set HSU_CH_MTSR to memory width"
2020-01-27 14:46:39 +01:00
ioat
dmaengine: ioat setting ioat timeout as module parameter
2020-07-29 07:42:55 +02:00
ipu
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ppc4xx
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qcom
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sh
dmaengine: rcar-dmac: set scatter/gather max segment size
2019-11-24 08:23:17 +01:00
xilinx
dmaengine: zynqmp_dma: fix burst length configuration
2020-10-01 13:12:31 +02:00
acpi-dma.c
dmaengine: acpi: Put the CSRT table after using it
2020-09-23 10:46:26 +02:00
altera-msgdma.c
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amba-pl08x.c
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at_hdmac_regs.h
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at_hdmac.c
dmaengine: at_hdmac: check return value of of_find_device_by_node() in at_dma_xlate()
2020-09-09 19:03:07 +02:00
at_xdmac.c
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bcm2835-dma.c
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bcm-sba-raid.c
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coh901318_lli.c
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coh901318.c
dmaengine: coh901318: Fix a double lock bug in dma_tc_handle()
2020-03-11 18:03:08 +01:00
coh901318.h
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cppi41.c
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dma-axi-dmac.c
dmaengine: axi-dmac: Don't check the number of frames for alignment
2020-01-27 14:46:30 +01:00
dma-jz4740.c
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dma-jz4780.c
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dmaengine.c
dmaengine: Store module owner in dma_device struct
2020-02-28 16:36:01 +01:00
dmaengine.h
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dmatest.c
dmaengine: dmatest: Fix iteration non-stop logic
2020-05-05 19:15:53 +02:00
edma.c
dmaengine: ti: edma: fix missed failure handling
2020-01-27 14:46:52 +01:00
ep93xx_dma.c
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fsl_raid.c
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fsl_raid.h
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fsl-edma.c
dmaengine: fsl-edma: Fix NULL pointer exception in fsl_edma_tx_handler
2020-07-22 09:22:28 +02:00
fsldma.c
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fsldma.h
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idma64.c
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idma64.h
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img-mdc-dma.c
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imx-dma.c
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imx-sdma.c
dmaengine: imx-sdma: fix size check for sdma script_number
2020-01-27 14:46:50 +01:00
iop-adma.c
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k3dma.c
dmaengine: k3dma: Avoid null pointer traversal
2020-01-17 19:45:54 +01:00
Kconfig
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lpc18xx-dmamux.c
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Makefile
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mic_x100_dma.c
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mic_x100_dma.h
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mmp_pdma.c
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mmp_tdma.c
dmaengine: mmp_tdma: Reset channel error on release
2020-05-20 08:17:06 +02:00
moxart-dma.c
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mpc512x_dma.c
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mv_xor_v2.c
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mv_xor.c
dmaengine: mv_xor: Use correct device for DMA API
2020-01-27 14:46:20 +01:00
mv_xor.h
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mxs-dma.c
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nbpfaxi.c
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of-dma.c
dmaengine: of-dma: Fix of_dma_router_xlate's of_dma_xlate handling
2020-09-09 19:03:07 +02:00
omap-dma.c
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pch_dma.c
dmaengine: pch_dma.c: Avoid data race between probe and irq handler
2020-05-20 08:17:06 +02:00
pl330.c
dmaengine: pl330: Fix burst length if burst size is smaller than bus width
2020-09-09 19:03:09 +02:00
pxa_dma.c
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s3c24xx-dma.c
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sa11x0-dma.c
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sirf-dma.c
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st_fdma.c
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st_fdma.h
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ste_dma40_ll.c
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ste_dma40_ll.h
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ste_dma40.c
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stm32-dma.c
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sun4i-dma.c
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sun6i-dma.c
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tegra20-apb-dma.c
dmaengine: tegra-apb: Prevent race conditions on channel's freeing
2020-10-01 13:12:35 +02:00
tegra210-adma.c
dmaengine: tegra210-adma: Fix runtime PM imbalance on error
2020-07-29 07:42:55 +02:00
ti-dma-crossbar.c
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timb_dma.c
dmaengine: timb_dma: Use proper enum in td_prep_slave_sg
2019-11-24 08:22:58 +01:00
TODO
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txx9dmac.c
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txx9dmac.h
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virt-dma.c
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virt-dma.h
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xgene-dma.c
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zx_dma.c
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