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linux/drivers/dma
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Herve Codina 8fc5133d6d dmaengine: dw-edma: Fix unaligned 64bit access 
On some arch (ie aarch64 iMX8MM) unaligned PCIe accesses are
not allowed and lead to a kernel Oops.
  [ 1911.668835] Unable to handle kernel paging request at virtual address ffff80001bc00a8c
  [ 1911.668841] Mem abort info:
  [ 1911.668844]   ESR = 0x96000061
  [ 1911.668847]   EC = 0x25: DABT (current EL), IL = 32 bits
  [ 1911.668850]   SET = 0, FnV = 0
  [ 1911.668852]   EA = 0, S1PTW = 0
  [ 1911.668853] Data abort info:
  [ 1911.668855]   ISV = 0, ISS = 0x00000061
  [ 1911.668857]   CM = 0, WnR = 1
  [ 1911.668861] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000040ff4000
  [ 1911.668864] [ffff80001bc00a8c] pgd=00000000bffff003, pud=00000000bfffe003, pmd=0068000018400705
  [ 1911.668872] Internal error: Oops: 96000061 [#1] PREEMPT SMP
  ...

The llp register present in the channel group registers is not
aligned on 64bit.

Fix unaligned 64bit access using two 32bit accesses

Fixes: 04e0a39fc10f ("dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures")
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20220225120252.309404-1-herve.codina@bootlin.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2022-04-12 16:45:42 +05:30
..
bestcomm
dmaengine: bestcomm: fix system boot lockups
2021-10-18 11:43:12 +05:30
dw
dmaengine: dw: switch from 'pci_' to 'dma_' API
2021-10-26 10:54:32 +05:30
dw-axi-dmac
dmaengine: dw-axi-dmac: cleanup comments
2022-03-11 16:05:01 +05:30
dw-edma
dmaengine: dw-edma: Fix unaligned 64bit access
2022-04-12 16:45:42 +05:30
fsl-dpaa2-qdma
dmaengine: fsl-dpaa2-qdma: Drop comma after SoC match table sentinel
2022-03-11 15:47:39 +05:30
hsu
dmaengine: hsu: switch from 'pci_' to 'dma_' API
2021-10-26 10:54:47 +05:30
idxd
dmaengine: idxd: fix device cleanup on disable
2022-04-08 23:27:17 +05:30
ioat
dmaengine: iot: Remove useless DMA-32 fallback configuration
2022-02-15 11:04:06 +05:30
ipu
dmaengine: ipu: Fix fall-through warning for Clang
2021-07-13 14:38:47 -05:00
lgm
dmaengine: INTEL_LDMA should depend on X86
2021-02-01 11:27:14 +05:30
mediatek
dmaengine: mediatek:Fix PM usage reference leak of mtk_uart_apdma_alloc_chan_resources
2022-04-12 16:45:42 +05:30
ppc4xx
dmaengine: ppc4xx: Make use of the helper macro LIST_HEAD()
2022-03-11 15:39:09 +05:30
ptdma
dmaengine fixes for v5.17
2022-03-10 10:12:25 +05:30
qcom
dmaengine: qcom_hidma: Remove useless DMA-32 fallback configuration
2022-03-11 15:23:23 +05:30
sf-pdma
dmaengine updates for v5.14-rc1
2021-07-05 12:05:13 -07:00
sh
dmaengine: sh: Kconfig: Add ARCH_R9A07G054 dependency for RZ_DMAC config option
2022-03-11 12:34:05 +05:30
ti
dmaengine: ti: k3-psil: Add AM62x PSIL and PDMA data
2022-03-11 12:32:53 +05:30
xilinx
dmaengine_topic_slave_id_removal_5.17
2021-12-17 21:42:17 +05:30
acpi-dma.c
dmaengine: acpi: Check for errors from acpi_register_gsi() separately
2021-08-06 21:48:11 +05:30
altera-msgdma.c
dmaengine: altera-msgdma: Remove useless DMA-32 fallback configuration
2022-02-15 16:53:11 +05:30
amba-pl08x.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
at_hdmac_regs.h
dmaengine: at_hdmac: remove platform data header
2021-01-08 13:57:19 +05:30
at_hdmac.c
dmaengine: at_hdmac: remove platform data header
2021-01-08 13:57:19 +05:30
at_xdmac.c
dma: at_xdmac: fix a missing check on list iterator
2022-04-11 19:03:29 +05:30
bcm2835-dma.c
dmaengine: bcm2835: Drop local dma_parms
2020-09-11 17:42:12 +05:30
bcm-sba-raid.c
…
dma-axi-dmac.c
dmaengine: axi-dmac: Drop local dma_parms
2020-09-11 17:42:12 +05:30
dma-jz4780.c
dmaengine: jz4780: Support bidirectional I/O on one channel
2021-12-17 21:39:27 +05:30
dmaengine.c
dmaengine: Add core function and capability check for DMA_MEMCPY_SG
2021-11-22 11:38:05 +05:30
dmaengine.h
dmaengine: dmaengine_desc_callback_valid(): Check for callback_result
2021-10-25 09:42:56 +05:30
dmatest.c
dmaengine: dmatest: Use dmaengine_get_dma_device
2020-12-11 21:20:08 +05:30
ep93xx_dma.c
dmaengine: ep93xx: Prepare clock before using it
2021-08-02 12:27:10 +05:30
fsl_raid.c
dmaengine: fsl: remove bad channel update
2020-10-05 09:59:17 +05:30
fsl_raid.h
…
fsl-edma-common.c
dmaengine: fsl-edma: support edma memcpy
2021-10-28 22:56:24 +05:30
fsl-edma-common.h
dmaengine: fsl-edma: support edma memcpy
2021-10-28 22:56:24 +05:30
fsl-edma.c
dmaengine: fsl-edma: support edma memcpy
2021-10-28 22:56:24 +05:30
fsl-qdma.c
dmaengine: fsl-qdma: check dma_set_mask return value
2021-05-10 19:51:03 +05:30
fsldma.c
dmaengine: fsldma: Fix a resource leak in an error handling path of the probe function
2021-01-12 18:00:39 +05:30
fsldma.h
fsldma: fix very broken 32-bit ppc ioread64 functionality
2020-08-29 13:50:56 -07:00
hisi_dma.c
dmaengine: hisi_dma: fix MSI allocate fail when reload hisi_dma
2022-03-11 16:05:39 +05:30
idma64.c
dmaengine: idma64: Switch to use __maybe_unused instead of ifdeffery
2020-11-09 17:21:05 +05:30
idma64.h
…
img-mdc-dma.c
…
imx-dma.c
dmaengine: imx-dma: configure the generic DMA type to make it work
2021-08-02 12:31:19 +05:30
imx-sdma.c
dmaengine: imx-sdma: Fix error checking in sdma_event_remap
2022-04-11 19:48:51 +05:30
iop-adma.c
Merge branch 'topic/tasklet' into next
2020-10-01 10:18:59 +05:30
iop-adma.h
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
k3dma.c
dmaengine: k3dma: use the correct HiSilicon copyright
2021-04-12 17:14:53 +05:30
Kconfig
MIPS: Remove TX39XX support
2022-03-01 10:07:22 +01:00
lpc18xx-dmamux.c
…
Makefile
dmaengine: ptdma: Initial driver for the AMD PTDMA
2021-08-29 19:14:20 +05:30
mcf-edma.c
dmaengine: mcf-edma: Fix NULL pointer exception in mcf_edma_tx_handler
2020-06-24 13:06:15 +05:30
milbeaut-hdmac.c
dmaengine: milbeaut-hdmac: Prefer kcalloc over open coded arithmetic
2021-10-25 12:12:13 +05:30
milbeaut-xdmac.c
dmaengine: milbeaut-xdmac: Fix a resource leak in the error handling path of the probe function
2020-12-29 10:08:00 +05:30
mmp_pdma.c
dmaengine: pxa/mmp: stop referencing config->slave_id
2021-12-17 11:23:56 +05:30
mmp_tdma.c
dmaengine: mmp: convert tasklets to use new tasklet_setup() API
2020-09-18 12:19:06 +05:30
moxart-dma.c
dmaengine: moxart-dma: remove redundant irqsave and irqrestore in hardIRQ
2020-11-09 17:25:54 +05:30
mpc512x_dma.c
dmaengine: mpc512x: Fix fall-through warning for Clang
2021-07-14 11:05:55 -05:00
mv_xor_v2.c
dmaengine: mv_xor_v2: Get rid of msi_desc abuse
2021-12-16 22:16:41 +01:00
mv_xor.c
dmaengine: mv_xor: drop of_match_ptr from of_device_id table
2020-11-24 23:02:20 +05:30
mv_xor.h
…
mxs-dma.c
dmaengine: mxs-dma: Remove the unused .id_table
2020-11-24 22:55:15 +05:30
nbpfaxi.c
dmaengine: nbpfaxi: convert tasklets to use new tasklet_setup() API
2020-09-18 12:19:06 +05:30
of-dma.c
dmaengine: of-dma: router_xlate to return -EPROBE_DEFER if controller is not yet available
2021-07-28 12:54:50 +05:30
owl-dma.c
dmaengine: owl-dma: Fix a resource leak in the remove function
2021-01-12 18:00:40 +05:30
pch_dma.c
dmaengine: pch_dma: Remove usage of the deprecated "pci-dma-compat.h" API
2022-01-08 22:16:44 +05:30
pl330.c
ARM: 9172/1: amba: Cleanup amba pclk operation
2022-02-28 13:59:15 +00:00
plx_dma.c
dmaengine: switch from 'pci_' to 'dma_' API
2021-10-26 10:54:57 +05:30
pxa_dma.c
dmaengine: pxa/mmp: stop referencing config->slave_id
2021-12-17 11:23:56 +05:30
s3c24xx-dma.c
…
sa11x0-dma.c
dmaengine: sa11x0: Mark PM functions as __maybe_unused
2021-10-26 10:55:07 +05:30
sprd-dma.c
dmaengine: sprd: stop referencing config->slave_id
2021-12-17 11:23:56 +05:30
st_fdma.c
dmaengine: st_fdma: fix MODULE_ALIAS
2021-12-13 13:18:48 +05:30
st_fdma.h
…
ste_dma40_ll.c
…
ste_dma40_ll.h
…
ste_dma40.c
dmaengine: stedma40: add missing iounmap() on error in d40_probe()
2021-05-31 09:47:27 +05:30
stm32-dma.c
dmaengine: stm32-dma: set dma_device max_sg_burst
2022-02-15 11:12:07 +05:30
stm32-dmamux.c
dmaengine: stm32-dmamux: Fix PM disable depth imbalance in stm32_dmamux_probe
2022-02-15 10:58:04 +05:30
stm32-mdma.c
dmaengine: stm32-mdma: fix STM32_MDMA_CTBR_TSEL_MASK
2022-01-03 17:00:09 +05:30
sun4i-dma.c
dmaengine: sun4i: Use list_move_tail instead of list_del/list_add_tail
2021-06-07 17:06:38 +05:30
sun6i-dma.c
dmaengine: sun6i: Add support for A100 DMA
2020-11-18 16:28:49 +05:30
tegra20-apb-dma.c
dmaengine: tegra20-apb: stop checking config->slave_id
2021-12-17 11:23:38 +05:30
tegra210-adma.c
dmaengine: tegra210-adma: fix pm runtime unbalance in tegra_adma_remove
2021-10-25 10:06:10 +05:30
timb_dma.c
dmaengine: timb_dma: convert tasklets to use new tasklet_setup() API
2020-09-18 12:19:07 +05:30
TODO
…
txx9dmac.c
dmaengine: txx9dmac: convert tasklets to use new tasklet_setup() API
2020-09-18 12:19:07 +05:30
txx9dmac.h
…
uniphier-mdmac.c
…
uniphier-xdmac.c
dmaengine: uniphier-xdmac: Fix type of address variables
2022-01-03 17:49:37 +05:30
virt-dma.c
dmaengine: virt-dma: convert tasklets to use new tasklet_setup() API
2020-09-18 12:19:07 +05:30
virt-dma.h
…
xgene-dma.c
dmaengine: xgene: convert tasklets to use new tasklet_setup() API
2020-09-18 12:19:07 +05:30