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fa12bb903bc3ed1826e355d267fe134bde95e23c
linux/drivers
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Adrian Hunter fa12bb903b i3c: mipi-i3c-hci: Consolidate spinlocks 
The MIPI I3C HCI driver currently uses separate spinlocks for different
contexts (PIO vs. DMA rings).  This split is unnecessary and complicates
upcoming fixes.  The driver does not support concurrent PIO and DMA
operation, and it only supports a single DMA ring, so a single lock is
sufficient for all paths.

Introduce a unified spinlock in struct i3c_hci, switch both PIO and DMA
code to use it, and remove the per-context locks.

No functional change is intended in this patch.

Fixes: 9ad9a52cce ("i3c/master: introduce the mipi-i3c-hci driver")
Cc: stable@vger.kernel.org
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260306072451.11131-5-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2026-03-11 22:10:01 +01:00
..
accel
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
accessibility
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
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acpi
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2026-02-22 08:26:33 -08:00
amba
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
android
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
ata
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
atm
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
auxdisplay
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
base
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2026-02-22 08:26:33 -08:00
bcma
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2026-02-21 17:09:51 -08:00
block
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2026-02-22 08:26:33 -08:00
bluetooth
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2026-02-21 17:09:51 -08:00
bus
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2026-02-22 08:26:33 -08:00
cache
…
cdrom
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2026-02-21 17:09:51 -08:00
cdx
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2026-02-21 17:09:51 -08:00
char
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2026-02-21 20:03:00 -08:00
clk
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2026-02-22 08:26:33 -08:00
clocksource
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2026-02-22 08:26:33 -08:00
comedi
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2026-02-22 08:26:33 -08:00
connector
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2026-02-21 20:03:00 -08:00
counter
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2026-02-21 17:09:51 -08:00
cpufreq
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2026-02-21 20:03:00 -08:00
cpuidle
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2026-02-21 17:09:51 -08:00
crypto
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2026-02-22 08:26:33 -08:00
cxl
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2026-02-21 17:09:51 -08:00
dax
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
dca
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
devfreq
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
dibs
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2026-02-21 17:09:51 -08:00
dio
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2026-02-21 17:09:51 -08:00
dma
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2026-02-21 20:03:00 -08:00
dma-buf
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2026-02-21 20:03:00 -08:00
dpll
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2026-02-21 17:09:51 -08:00
edac
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
eisa
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2026-02-21 17:09:51 -08:00
extcon
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
firewire
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2026-02-22 08:26:33 -08:00
firmware
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2026-02-21 20:03:00 -08:00
fpga
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2026-02-21 20:03:00 -08:00
fsi
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2026-02-21 17:09:51 -08:00
fwctl
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2026-02-21 17:09:51 -08:00
gnss
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2026-02-21 17:09:51 -08:00
gpib
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2026-02-21 20:03:00 -08:00
gpio
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2026-02-21 20:03:00 -08:00
gpu
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
greybus
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2026-02-21 20:03:00 -08:00
hid
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2026-02-22 08:26:33 -08:00
hsi
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hte
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
hv
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
hwmon
i3c: simplify combined i3c/i2c dependencies
2026-02-27 16:33:07 +01:00
hwspinlock
Merge tag 'soc-drivers-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2026-02-10 20:45:30 -08:00
hwtracing
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
i2c
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2026-02-21 20:03:00 -08:00
i3c
i3c: mipi-i3c-hci: Consolidate spinlocks
2026-03-11 22:10:01 +01:00
idle
…
iio
i3c: simplify combined i3c/i2c dependencies
2026-02-27 16:33:07 +01:00
infiniband
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
input
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2026-02-21 17:09:51 -08:00
interconnect
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2026-02-21 17:09:51 -08:00
iommu
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2026-02-22 08:26:33 -08:00
ipack
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2026-02-21 20:03:00 -08:00
irqchip
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2026-02-22 08:26:33 -08:00
isdn
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2026-02-21 20:03:00 -08:00
leds
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2026-02-21 17:09:51 -08:00
macintosh
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2026-02-21 20:03:00 -08:00
mailbox
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
mcb
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
md
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
media
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2026-02-22 08:26:33 -08:00
memory
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2026-02-21 17:09:51 -08:00
memstick
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2026-02-22 08:26:33 -08:00
message
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2026-02-22 08:26:33 -08:00
mfd
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2026-02-21 20:03:00 -08:00
misc
i3c: simplify combined i3c/i2c dependencies
2026-02-27 16:33:07 +01:00
mmc
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
most
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2026-02-21 17:09:51 -08:00
mtd
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2026-02-22 08:26:33 -08:00
mux
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2026-02-21 17:09:51 -08:00
net
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2026-02-22 08:26:33 -08:00
nfc
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
ntb
Merge tag 'kmalloc_obj-treewide-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2026-02-21 11:02:58 -08:00
nubus
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
nvdimm
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2026-02-21 20:03:00 -08:00
nvme
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2026-02-22 08:26:33 -08:00
nvmem
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2026-02-21 17:09:51 -08:00
of
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2026-02-21 17:09:51 -08:00
opp
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2026-02-21 20:03:00 -08:00
parisc
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2026-02-22 08:26:33 -08:00
parport
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2026-02-21 17:09:51 -08:00
pci
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2026-02-21 20:03:00 -08:00
pcmcia
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2026-02-21 17:09:51 -08:00
peci
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2026-02-21 17:09:51 -08:00
perf
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2026-02-21 20:03:00 -08:00
phy
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
pinctrl
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2026-02-21 20:03:00 -08:00
platform
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2026-02-22 08:26:33 -08:00
pmdomain
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pnp
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2026-02-21 17:09:51 -08:00
power
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
powercap
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
pps
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2026-02-21 17:09:51 -08:00
ps3
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2026-02-21 17:09:51 -08:00
ptp
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2026-02-21 17:09:51 -08:00
pwm
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
rapidio
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2026-02-21 17:09:51 -08:00
ras
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
regulator
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2026-02-21 20:03:00 -08:00
remoteproc
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2026-02-21 17:09:51 -08:00
resctrl
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
reset
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
rpmsg
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
rtc
Merge tag 'rtc-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2026-02-22 09:43:11 -08:00
s390
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
sbus
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
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scsi
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sh
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siox
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2026-02-21 17:09:51 -08:00
slimbus
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2026-02-21 17:09:51 -08:00
soc
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2026-02-21 20:03:00 -08:00
soundwire
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
spi
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
spmi
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
ssb
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
staging
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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target
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tc
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
tee
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
thermal
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
thunderbolt
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
tty
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
ufs
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
uio
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
usb
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
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vdpa
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
vfio
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
vhost
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
video
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
virt
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
virtio
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
w1
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2026-02-21 17:09:51 -08:00
watchdog
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2026-02-21 17:09:51 -08:00
xen
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2026-02-22 08:26:33 -08:00
zorro
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
Kconfig
…
Makefile
phy: enter drivers/phy/Makefile even without CONFIG_GENERIC_PHY
2026-02-04 20:45:26 +05:30