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84e77e7236
linux/drivers
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Herve Codina 84e77e7236 dmaengine: dw-edma: Fix unaligned 64bit access 
[ Upstream commit 8fc5133d6d ]

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: 04e0a39fc1 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-27 14:38:52 +02:00
..
accessibility
acpi ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40 2022-04-20 09:34:04 +02:00
amba
android
ata ata: libata-core: Disable READ LOG DMA EXT for Samsung 840 EVOs 2022-04-20 09:34:16 +02:00
atm
auxdisplay
base net: mdio: don't defer probe forever if PHY IRQ provider is missing 2022-04-20 09:34:10 +02:00
bcma
block drbd: set QUEUE_FLAG_STABLE_WRITES 2022-04-20 09:34:17 +02:00
bluetooth Bluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt 2022-04-08 14:23:41 +02:00
bus mips: cdmm: Fix refcount leak in mips_cdmm_phys_base 2022-04-08 14:23:39 +02:00
cdrom
char virtio_console: eliminate anonymous module_init & module_exit 2022-04-13 20:59:13 +02:00
clk clk: Enforce that disjoints limits are invalid 2022-04-13 20:59:12 +02:00
clocksource clocksource: acpi_pm: fix return value of __setup handler 2022-04-08 14:23:09 +02:00
comedi
connector
counter
cpufreq cpufreq: intel_pstate: ITMT support for overclocked system 2022-04-20 09:34:21 +02:00
cpuidle
crypto crypto: hisilicon/sec - not need to enable sm4 extra mode at HW V3 2022-04-08 14:23:55 +02:00
cxl cxl/regs: Fix size of CXL Capability Header Register 2022-04-08 14:23:30 +02:00
dax dax: make sure inodes are flushed before destroy cache 2022-04-08 14:23:31 +02:00
dca
devfreq
dio
dma dmaengine: dw-edma: Fix unaligned 64bit access 2022-04-27 14:38:52 +02:00
dma-buf udmabuf: validate ubuf->pagecount 2022-04-08 14:23:24 +02:00
edac
eisa
extcon
firewire
firmware firmware: arm_scmi: Fix sorting of retrieved clock rates 2022-04-20 09:34:09 +02:00
fpga
fsi fsi: Aspeed: Fix a potential double free 2022-04-08 14:23:44 +02:00
gnss
gpio gpiolib: acpi: use correct format characters 2022-04-20 09:34:10 +02:00
gpu drm/i915: Sunset igpu legacy mmap support based on GRAPHICS_VER_FULL 2022-04-20 09:34:21 +02:00
greybus
hid HID: i2c-hid: fix GET/SET_REPORT for unnumbered reports 2022-04-08 14:23:31 +02:00
hsi
hv Drivers: hv: balloon: Disable balloon and hot-add accordingly 2022-04-20 09:34:16 +02:00
hwmon hwmon: (pmbus) Add Vin unit off handling 2022-04-08 14:23:09 +02:00
hwspinlock
hwtracing
i2c i2c: pasemi: Wait for write xfers to finish 2022-04-20 09:34:21 +02:00
i3c
idle
iio iio: adc: Add check for devm_request_threaded_irq 2022-04-08 14:23:46 +02:00
infiniband RDMA/hfi1: Fix use-after-free bug for mm struct 2022-04-13 20:59:23 +02:00
input
interconnect
iommu iommu/omap: Fix regression in probe for NULL pointer dereference 2022-04-13 20:59:20 +02:00
ipack
irqchip irqchip/gic, gic-v3: Prevent GSI to SGI translations 2022-04-13 20:59:28 +02:00
isdn
leds
macintosh
mailbox mailbox: imx: fix wakeup failure from freeze mode 2022-04-08 14:24:10 +02:00
mcb
md dm integrity: fix memory corruption when tag_size is less than digest size 2022-04-20 09:34:20 +02:00
media media: rockchip/rga: do proper error checking in probe 2022-04-20 09:34:09 +02:00
memory memory: renesas-rpc-if: fix platform-device leak in error path 2022-04-20 09:34:18 +02:00
memstick
message
mfd mfd: asic3: Add missing iounmap() on error asic3_mfd_probe 2022-04-08 14:23:43 +02:00
misc habanalabs: fix possible memory leak in MMU DR fini 2022-04-13 20:59:12 +02:00
mmc mmc: core: Fixup support for writeback-cache for eMMC and SD 2022-04-13 20:59:21 +02:00
most
mtd ubi: fastmap: Return error code if memory allocation fails in add_aeb() 2022-04-08 14:24:15 +02:00
mux
net net: ipa: fix a build dependency 2022-04-20 09:34:21 +02:00
nfc
ntb
nubus
nvdimm nvdimm/region: Fix default alignment for small regions 2022-04-08 14:23:48 +02:00
nvme nvme: fix the read-only state for zoned namespaces with unsupposed features 2022-04-08 14:24:09 +02:00
nvmem
of
opp opp: Expose of-node's name in debugfs 2022-04-13 20:59:11 +02:00
parisc parisc: Fix CPU affinity for Lasi, WAX and Dino chips 2022-04-13 20:59:14 +02:00
parport
pci PCI: hv: Propagate coherence from VMbus device to PCI device 2022-04-20 09:34:15 +02:00
pcmcia
perf perf/imx_ddr: Fix undefined behavior due to shift overflowing the constant 2022-04-20 09:34:18 +02:00
phy phy: amlogic: meson8b-usb2: fix shared reset control use 2022-04-13 20:59:11 +02:00
pinctrl pinctrl: nuvoton: npcm7xx: Use %zu printk format for ARRAY_SIZE() 2022-04-08 14:24:11 +02:00
platform platform/chrome: cros_ec_typec: Check for EC device 2022-04-08 14:24:12 +02:00
pnp
power power: supply: axp288-charger: Set Vhold to 4.4V 2022-04-13 20:59:05 +02:00
powercap
pps pps: clients: gpio: Propagate return value from pps_gpio_probe 2022-04-08 14:23:44 +02:00
ps3
ptp ptp: replace snprintf with sysfs_emit 2022-04-13 20:59:01 +02:00
pwm pwm: lpc18xx-sct: Initialize driver data and hardware before pwmchip_add() 2022-04-08 14:23:44 +02:00
rapidio
ras
regulator regulator: wm8994: Add an off-on delay for WM8994 variant 2022-04-20 09:34:16 +02:00
remoteproc remoteproc: qcom_q6v5_mss: Fix some leaks in q6v5_alloc_memory_region 2022-04-08 14:23:47 +02:00
reset
rpmsg
rtc rtc: mc146818-lib: fix signedness bug in mc146818_get_time() 2022-04-13 20:59:26 +02:00
s390
sbus
scsi scsi: ufs: core: scsi_get_lba() error fix 2022-04-27 14:38:51 +02:00
sh
siox
slimbus
soc soc: qcom: aoss: Fix missing put_device call in qmp_get 2022-04-20 09:34:21 +02:00
soundwire ASoC: Intel: sof_sdw: fix quirks for 2022 HP Spectre x360 13" 2022-04-08 14:24:02 +02:00
spi spi: cadence-quadspi: fix protocol setup for non-1-1-X operations 2022-04-20 09:34:16 +02:00
spmi
ssb
staging staging: wfx: fix an error handling in wfx_init_common() 2022-04-13 20:59:11 +02:00
target scsi: target: tcmu: Fix possible page UAF 2022-04-20 09:34:15 +02:00
tc
tee
thermal thermal: int340x: Check for NULL after calling kmemdup() 2022-04-08 14:23:05 +02:00
thunderbolt
tty serial: samsung_tty: do not unlock port->lock for uart_write_wakeup() 2022-04-13 20:59:13 +02:00
uio
usb usb: dwc3: omap: fix "unbalanced disables for smps10_out1" on omap5evm 2022-04-13 20:59:09 +02:00
vdpa vdpa: mlx5: prevent cvq work from hogging CPU 2022-04-13 20:59:15 +02:00
vfio vfio/pci: Fix vf_token mechanism when device-specific VF drivers are used 2022-04-20 09:34:13 +02:00
vhost tuntap: add sanity checks about msg_controllen in sendmsg 2022-04-13 20:59:07 +02:00
video fbdev: Fix unregistering of framebuffers without device 2022-04-13 20:59:24 +02:00
virt virt: acrn: fix a memory leak in acrn_dev_ioctl() 2022-04-08 14:23:50 +02:00
virtio
visorbus
vlynq
vme
w1 w1: w1_therm: fixes w1_seq for ds28ea00 sensors 2022-04-13 20:59:11 +02:00
watchdog watchdog: rti-wdt: Add missing pm_runtime_disable() in probe function 2022-04-08 14:24:11 +02:00
xen swiotlb: Support aligned swiotlb buffers 2022-04-08 14:24:17 +02:00
zorro
Kconfig
Makefile