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faed986de5250e1cd1296e82d1fcb4c03997e02a
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Adlavinitha Reddy faed986de5 i2c: mediatek: add bus regulator control for power saving 
Add conditional bus regulator enable/disable in mtk_i2c_transfer()
to support I2C bus power gating for platforms that require it.

This implementation:
- Enables bus_regulator before clk_bulk_enable() if vbus-supply is defined
- Disables bus_regulator after clk_bulk_disable()
- Only activates when vbus-supply is provided in device tree
- Has no impact on platforms without vbus-supply defined

This approach provides power savings for platforms with an extra I2C bus
regulator, while avoiding runtime PM complexity.

Tested on MT8188.

Signed-off-by: Adlavinitha Reddy <adlavinitha.reddy@mediatek.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260318084621.4127757-2-adlavinitha.reddy@mediatek.com
2026-04-15 00:54:34 +02:00
..
accel
accel: ethosu: Add hardware dependency hint
2026-04-02 15:18:14 -05:00
accessibility
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
acpi
Merge tag 'riscv-for-linus-7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2026-04-05 14:43:47 -07:00
amba
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
android
rust_binder: use AssertSync for BINDER_VM_OPS
2026-03-31 14:58:56 +02:00
ata
ata: ahci: force 32-bit DMA for JMicron JMB582/JMB585
2026-04-07 09:36:46 +02:00
atm
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
auxdisplay
auxdisplay: line-display: fix NULL dereference in linedisp_release
2026-03-27 09:54:31 +01:00
base
kernfs: pass struct ns_common instead of const void * for namespace tags
2026-04-09 14:36:52 +02:00
bcma
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
block
zram: do not slot_free() written-back slots
2026-03-21 17:36:33 -07:00
bluetooth
Bluetooth: hci_h4: Fix race during initialization
2026-04-01 16:45:47 -04:00
bus
driver core: platform: use generic driver_override infrastructure
2026-03-17 20:30:57 +01:00
cache
cache: ax45mp: Fix device node reference leak in ax45mp_cache_init()
2026-02-06 19:54:40 +00:00
cdrom
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
cdx
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
char
Merge tag 'for-linus-7.0-1' of https://github.com/cminyard/linux-ipmi
2026-02-26 14:34:21 -08:00
clk
driver core: platform: use generic driver_override infrastructure
2026-03-17 20:30:57 +01:00
clocksource
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
comedi
comedi: dt2815: add hardware detection to prevent crash
2026-04-02 14:40:27 +02:00
connector
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
counter
counter: rz-mtu3-cnt: do not use struct rz_mtu3_channel's dev member
2026-03-22 15:59:22 +09:00
cpufreq
cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path
2026-04-01 16:08:15 +02:00
cpuidle
sched: idle: Make skipping governor callbacks more consistent
2026-03-10 16:03:02 +01:00
crypto
Merge tag 'v7.0-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2026-04-02 17:29:48 -07:00
cxl
cxl: Adjust the startup priority of cxl_pmem to be higher than that of cxl_acpi
2026-03-19 15:12:40 -07:00
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
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
dio
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
dma
dmaengine: xilinx_dma: Fix reset related timeout with two-channel AXIDMA
2026-03-17 16:33:32 +05:30
dma-buf
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
dpll
Merge tag 'net-7.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2026-02-26 08:00:13 -08:00
edac
EDAC/mc: Fix error path ordering in edac_mc_alloc()
2026-04-05 17:49:19 +02:00
eisa
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
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
bonding: prevent potential infinite loop in bond_header_parse()
2026-03-16 19:29:45 -07:00
firmware
Merge tag 'efi-fixes-for-v7.0-4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
2026-04-09 11:21:21 -07:00
fpga
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
fsi
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
fwctl
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
gnss
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
gpib
gpib: fix use-after-free in IO ioctl handlers
2026-04-02 14:30:40 +02:00
gpio
gpio: tegra: return -ENOMEM on allocation failure in probe
2026-04-10 09:01:24 +02:00
gpu
Merge tag 'drm-intel-fixes-2026-04-09' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
2026-04-11 07:35:22 +10:00
greybus
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
hid
Merge tag 'hid-for-linus-2026040801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2026-04-08 13:38:30 -07:00
hsi
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
hte
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
hv
mshv: Fix infinite fault loop on permission-denied GPA intercepts
2026-04-04 05:25:53 +00:00
hwmon
hwmon: (asus-ec-sensors) Fix T_Sensor for PRIME X670E-PRO WIFI
2026-04-01 07:45:57 -07:00
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
i2c: mediatek: add bus regulator control for power saving
2026-04-15 00:54:34 +02:00
i3c
i3c: dw-i3c-master: Set SIR_REJECT in DAT on device attach and reattach
2026-03-11 22:50:29 +01:00
idle
intel_idle: Add C-states validation
2026-01-07 21:17:43 +01:00
iio
Merge tag 'iio-fixes-for-7.0c' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus
2026-03-29 15:27:12 +02:00
infiniband
kernfs: pass struct ns_common instead of const void * for namespace tags
2026-04-09 14:36:52 +02:00
input
Merge tag 'input-for-v7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2026-04-11 11:12:38 -07:00
interconnect
interconnect: qcom: sm8450: Fix NULL pointer dereference in icc_link_nodes()
2026-03-14 12:53:13 +02:00
iommu
Merge tag 'iommu-fixes-v7.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
2026-04-09 08:36:31 -07:00
ipack
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
irqchip
irqchip/riscv-aplic: Restrict genpd notifier to device tree only
2026-03-31 10:11:29 +02:00
isdn
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
leds
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
macintosh
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
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
media: ccs: Avoid deadlock in ccs_init_state()
2026-03-26 13:14:07 +01:00
memory
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
memstick
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
message
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
mfd
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
misc
misc: fastrpc: check qcom_scm_assign_mem() return in rpmsg_probe
2026-04-02 14:42:19 +02:00
mmc
mmc: vub300: fix use-after-free on disconnect
2026-03-31 13:11:20 +02:00
most
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
mtd
mtd: rawnand: pl353: make sure optimal timings are applied
2026-03-18 18:08:25 +01:00
mux
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
net
Merge tag 'vfs-7.0-rc8.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-10 08:40:49 -07:00
nfc
nfc: pn533: allocate rx skb before consuming bytes
2026-04-09 13:54:37 +02:00
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
nvdimm/bus: Fix potential use after free in asynchronous initialization
2026-03-09 09:38:22 -05:00
nvme
Merge tag 'block-7.0-20260312' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
2026-03-13 10:13:06 -07:00
nvmem
nvmem: zynqmp_nvmem: Fix buffer size in DMA and memcpy
2026-04-02 16:44:40 +02:00
of
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
opp
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
parisc
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
parport
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
pci
Merge tag 'hyperv-fixes-signed-20260406' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2026-04-07 10:29:54 -07:00
pcmcia
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
peci
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
perf
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
phy
phy: qcom: qmp-ufs: Fix SM8650 PCS table for Gear 4
2026-02-27 20:46:57 +05:30
pinctrl
pinctrl: mcp23s08: Disable all pin interrupts during probe
2026-04-07 11:29:57 +02:00
platform
platform/x86: asus-armoury: add support for GU605MU
2026-03-31 17:22:28 +03:00
pmdomain
pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled
2026-04-01 13:03:07 +02:00
pnp
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
power
power: sequencing: pcie-m2: Fix device node reference leak in probe
2026-03-04 09:16:41 +01:00
powercap
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
pps
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
ps3
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
ptp
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
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
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
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
regulator: bd71828-regulator.c: Fix LDON-HEAD mode
2026-04-07 15:24:11 +01:00
remoteproc
remoteproc: imx_rproc: Fix unreachable platform prepare_ops
2026-03-05 10:18:23 -07:00
resctrl
arm_mpam: Force __iomem casts
2026-03-13 14:17:30 +00:00
reset
reset: spacemit: k3: Decouple composite reset lines
2026-03-23 12:25:47 +01:00
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
Merge tag 's390-7.0-7' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2026-04-03 17:50:24 -07:00
sbus
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2026-03-27 19:58:22 -07:00
sh
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
siox
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
slimbus
driver core: platform: use generic driver_override infrastructure
2026-03-17 20:30:57 +01:00
soc
Merge tag 'qcom-drivers-fixes-for-7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
2026-04-01 13:47:03 +02:00
soundwire
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
spi
spi: zynq-qspi: Simplify clock handling with devm_clk_get_enabled()
2026-04-07 12:52:36 +01:00
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
staging: rtl8723bs: fix potential out-of-bounds read in rtw_restruct_wmm_ie
2026-02-24 10:01:20 -08:00
target
scsi: target: file: Use kzalloc_flex for aio_cmd
2026-03-19 22:07:39 -04:00
tc
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
tee
tee: shm: Remove refcounting of kernel pages
2026-03-03 09:03:04 +01:00
thermal
thermal: core: Fix thermal zone device registration error path
2026-04-02 11:37:35 +02:00
thunderbolt
thunderbolt: Fix property read in nhi_wake_supported()
2026-03-09 12:36:54 +01:00
tty
vt: resize saved unicode buffer on alt screen exit after resize
2026-03-30 17:39:44 +02:00
ufs
scsi: ufs: core: Fix SError in ufshcd_rtc_work() during UFS suspend
2026-03-07 11:08:39 -05:00
uio
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
usb
usb: typec: ucsi: skip connector validation before init
2026-04-07 13:35:44 +02:00
vdpa
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
vfio
vfio/pci: Fix double free in dma-buf feature
2026-03-26 06:38:27 -06:00
vhost
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
video
fbdev: au1100fb: Fix build on MIPS64
2026-03-05 17:35:12 +01:00
virt
virt: tdx-guest: Fix handling of host controlled 'quote' buffer length
2026-03-20 21:05:50 -07:00
virtio
dma-mapping: Clarify valid conditions for CPU cache line overlap
2026-03-20 11:33:24 +01:00
w1
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
watchdog
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
xen
xen/privcmd: unregister xenstore notifier on module exit
2026-03-26 08:57:51 +01:00
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