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Miquel Raynal ad7fd9f652 serial: 8250: dma: Allow driver operations before starting DMA transfers 
[ Upstream commit e4fb03fe10 ]

One situation where this could be used is when configuring the UART
controller to be the DMA flow controller. This is a typical case where
the driver might need to program a few more registers before starting a
DMA transfer. Provide the necessary infrastructure to support this
case.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20220422180615.9098-6-miquel.raynal@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-17 14:24:03 +02:00
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accessibility
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acpi
ACPI: VIOT: Fix ACS setup
2022-08-17 14:23:11 +02:00
amba
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android
android: binder: stop saving a pointer to the VMA
2022-08-17 14:23:58 +02:00
ata
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atm
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auxdisplay
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base
driver core: fix potential deadlock in __driver_attach
2022-08-17 14:23:45 +02:00
bcma
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block
null_blk: fix ida error handling in null_add_dev()
2022-08-17 14:24:00 +02:00
bluetooth
Bluetooth: hci_intel: Add check for platform_driver_register
2022-08-17 14:23:34 +02:00
bus
bus: hisi_lpc: fix missing platform_device_put() in hisi_lpc_acpi_probe()
2022-08-17 14:23:10 +02:00
cdrom
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char
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clk
clk: qcom: gcc-msm8939: Fix weird field spacing in ftbl_gcc_camss_cci_clk
2022-08-17 14:23:55 +02:00
clocksource
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comedi
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connector
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counter
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cpufreq
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cpuidle
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crypto
crypto: hisilicon/sec - fix auth key size error
2022-08-17 14:23:35 +02:00
cxl
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dax
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dca
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devfreq
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dio
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dma
dmaengine: imx-dma: Cast of_device_get_match_data() with (uintptr_t)
2022-08-17 14:23:56 +02:00
dma-buf
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edac
EDAC/ghes: Set the DIMM label unconditionally
2022-08-03 12:03:55 +02:00
eisa
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extcon
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firewire
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firmware
ACPI: APEI: explicit init of HEST and GHES in apci_init()
2022-08-17 14:23:11 +02:00
fpga
fpga: altera-pr-ip: fix unsigned comparison with less than zero
2022-08-17 14:23:41 +02:00
fsi
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gnss
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gpio
gpio: gpiolib-of: Fix refcount bugs in of_mm_gpiochip_add_data()
2022-08-17 14:23:56 +02:00
gpu
drm/exynos/exynos7_drm_decon: free resources when clk_set_parent() failed.
2022-08-17 14:23:30 +02:00
greybus
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hid
HID: amd_sfh: Handle condition of "no sensors"
2022-08-17 14:23:57 +02:00
hsi
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hv
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hwmon
hwmon: (drivetemp) Add module alias
2022-08-17 14:23:13 +02:00
hwspinlock
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hwtracing
intel_th: msu: Fix vmalloced buffers
2022-08-17 14:23:49 +02:00
i2c
i2c: mux-gpmux: Add of_node_put() when breaking out of loop
2022-08-17 14:23:34 +02:00
i3c
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idle
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iio
iio: cros: Register FIFO callback after sensor is registered
2022-08-17 14:23:55 +02:00
infiniband
RDMA/rxe: Fix error unwind in rxe_create_qp()
2022-08-17 14:23:59 +02:00
input
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interconnect
interconnect: imx: fix max_node_id
2022-08-17 14:23:53 +02:00
iommu
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ipack
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irqchip
irqchip/mips-gic: Check the return value of ioremap() in gic_of_init()
2022-08-17 14:23:01 +02:00
isdn
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leds
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macintosh
macintosh/adb: fix oob read in do_adb_query() function
2022-08-11 13:07:54 +02:00
mailbox
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mcb
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md
dm: return early from dm_pr_call() if DM device is suspended
2022-08-17 14:23:15 +02:00
media
media: platform: mtk-mdp: Fix mdp_ipi_comm structure alignment
2022-08-17 14:23:28 +02:00
memory
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memstick
memstick/ms_block: Fix a memory leak
2022-08-17 14:23:50 +02:00
message
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mfd
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misc
eeprom: idt_89hpesx: uninitialized data in idt_dbgfs_csr_write()
2022-08-17 14:23:52 +02:00
mmc
mmc: cavium-thunderx: Add of_node_put() when breaking out of loop
2022-08-17 14:23:57 +02:00
most
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mtd
mtd: spi-nor: fix spi_nor_spimem_setup_op() call in spi_nor_erase_{sector,chip}()
2022-08-17 14:23:58 +02:00
mux
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net
mwifiex: fix sleep in atomic context bugs caused by dev_coredumpv
2022-08-17 14:23:44 +02:00
nfc
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ntb
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nubus
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nvdimm
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nvme
nvme: catch -ENODEV from nvme_revalidate_zones again
2022-08-17 14:24:00 +02:00
nvmem
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of
of/fdt: declared return type does not match actual return type
2022-08-17 14:23:59 +02:00
opp
opp: Fix error check in dev_pm_opp_attach_genpd()
2022-08-17 14:24:01 +02:00
parisc
parisc: Check the return value of ioremap() in lba_driver_probe()
2022-08-17 14:22:51 +02:00
parport
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pci
PCI: tegra194: Fix link up retry sequence
2022-08-17 14:23:57 +02:00
pcmcia
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perf
drivers/perf: arm_spe: Fix consistency of SYS_PMSCR_EL1.CX
2022-08-17 14:23:14 +02:00
phy
phy: stm32: fix error return in stm32_usbphyc_phy_init
2022-08-17 14:23:52 +02:00
pinctrl
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platform
platform/olpc: Fix uninitialized data in debugfs write
2022-08-17 14:23:58 +02:00
pnp
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power
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powercap
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pps
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ps3
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ptp
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pwm
pwm: lpc18xx: Fix period handling
2022-08-17 14:23:16 +02:00
rapidio
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ras
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regulator
regulator: of: Fix refcount leak bug in of_get_regulation_constraints()
2022-08-17 14:23:14 +02:00
remoteproc
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reset
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rpmsg
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rtc
rtc: rx8025: fix 12/24 hour mode detection on RX-8035
2022-08-17 14:22:53 +02:00
s390
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sbus
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scsi
scsi: smartpqi: Fix DMA direction for RAID requests
2022-08-17 14:23:51 +02:00
sh
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siox
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slimbus
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soc
soc: qcom: Make QCOM_RPMPD depend on PM
2022-08-17 14:23:14 +02:00
soundwire
soundwire: revisit driver bind/unbind and callbacks
2022-08-17 14:23:48 +02:00
spi
spi: tegra20-slink: fix UAF in tegra_slink_remove()
2022-08-17 14:23:12 +02:00
spmi
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ssb
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staging
staging: rtl8192u: Fix sleep in atomic context bug in dm_fsync_timer_callback
2022-08-17 14:23:50 +02:00
target
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tc
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tee
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thermal
thermal: sysfs: Fix cooling_device_stats_setup() error code path
2022-08-17 14:22:50 +02:00
thunderbolt
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tty
serial: 8250: dma: Allow driver operations before starting DMA transfers
2022-08-17 14:24:03 +02:00
uio
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usb
usb: cdns3: Don't use priv_dev uninitialized in cdns3_gadget_ep_enable()
2022-08-17 14:24:01 +02:00
vdpa
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vfio
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vhost
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video
fbcon: Fix accelerated fbdev scrolling while logo is still shown
2022-08-17 14:22:51 +02:00
virt
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virtio
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visorbus
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vlynq
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vme
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w1
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watchdog
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xen
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zorro
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Kconfig
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Makefile
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