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ixgbe_fcoe_ddp_setup(), ixgbe_setup_fcoe_ddp_resources() and
ixgbe_sw_init() are never called in atomic context.
They call kmalloc(), dma_pool_alloc() and kzalloc() with GFP_ATOMIC,
which is not necessary.
GFP_ATOMIC can be replaced with GFP_KERNEL.
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <[email protected]>
Acked-by: Sebastian Basierski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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igb_integrated_phy_loopback() is never called in atomic context.
It calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep().
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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igb_sw_init() is never called in atomic context.
It calls kzalloc() and kcalloc() with GFP_ATOMIC, which is not necessary.
GFP_ATOMIC can be replaced with GFP_KERNEL.
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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On i210, Launchtime (TxTime) requires the usage of an "Advanced
Transmit Context Descriptor" for retrieving the timestamp of a packet.
The igb driver correctly builds such descriptor on the segmentation
flow (i.e. igb_tso()) or on the checksum one (i.e. igb_tx_csum()), but the
feature is broken for AF_PACKET if the IGB_TX_FLAGS_VLAN is not set,
which happens due to an early return on igb_tx_csum().
This flag is only set by the kernel when a VLAN interface is used,
thus we can't just rely on it. Here we are fixing this issue by checking
if launchtime is enabled for the current tx_ring before performing the
early return.
Signed-off-by: Jesus Sanchez-Palencia <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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In 'e1000_set_ringparam()', the tx_ring and rx_ring are updated with new value
and the old tx/rx rings are freed only when the device is up. There are resource
leaks on old tx/rx rings when the device is not up. This bug is reported by COD,
a tool for testing kernel module binaries I am building.
This patch fixes the bug by always calling 'kfree()' on old tx/rx rings in
'e1000_set_ringparam()'.
Signed-off-by: Bo Chen <[email protected]>
Reviewed-by: Alexander Duyck <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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When the device is not up, the call to 'e1000_up()' from the error handling path
of 'e1000_set_ringparam()' causes a kernel oops with a null-pointer
dereference. The null-pointer dereference is triggered in function
'e1000_alloc_rx_buffers()' at line 'buffer_info = &rx_ring->buffer_info[i]'.
This bug was reported by COD, a tool for testing kernel module binaries I am
building. This bug was also detected by KFI from Dr. Kai Cong.
This patch fixes the bug by checking on 'netif_running()' before calling
'e1000_up()' in 'e1000_set_ringparam()'.
Signed-off-by: Bo Chen <[email protected]>
Acked-by: Alexander Duyck <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Use dma_zalloc_coherent instead of dma_alloc_coherent
followed by memset 0.
Signed-off-by: YueHaibing <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Enabling the interrupt early, before power has been applied to the
device, can result in an interrupt being delivered too early if:
- the IOMMU shares an interrupt with a VOP
- the VOP has a pending interrupt (after a kexec, for example)
In these conditions, we end-up taking the interrupt without
the IOMMU being ready to handle the interrupt (not powered on).
Moving the interrupt request past the pm_runtime_enable() call
makes sure we can at least access the IOMMU registers. Note that
this is only a partial fix, and that the VOP interrupt will still
be screaming until the VOP driver kicks in, which advocates for
a more synchronized interrupt enabling/disabling approach.
Fixes: 0f181d3cf7d98 ("iommu/rockchip: Add runtime PM support")
Reviewed-by: Heiko Stuebner <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>
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pm_runtime_get_if_in_use can fail: either PM has been disabled
altogether (-EINVAL), or the device hasn't been enabled yet (0).
Sadly, the Rockchip IOMMU driver tends to conflate the two things
by considering a non-zero return value as successful.
This has the consequence of hiding other bugs, so let's handle this
case throughout the driver, with a WARN_ON_ONCE so that we can try
and work out what happened.
Fixes: 0f181d3cf7d98 ("iommu/rockchip: Add runtime PM support")
Reviewed-by: Heiko Stuebner <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>
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into next/late
Reset controller fixes for v4.18
This tag fixes reset assertion on i.MX7 for all non-inverted reset
control bits. Currently only PCIE controller and PHY resets are used.
* tag 'reset-fixes-for-4.18' of git://git.pengutronix.de/git/pza/linux:
reset: imx7: Fix always writing bits as 0
Signed-off-by: Olof Johansson <[email protected]>
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next/late
Reset controller changes for v4.19, part 2
This adds a single new driver for the Amlogic Meson Audio Memory Arbiter
resets.
* tag 'reset-for-4.19-2' of git://git.pengutronix.de/git/pza/linux:
reset: meson: add meson audio arb driver
reset: meson: add dt-bindings for meson-axg audio arb
Signed-off-by: Olof Johansson <[email protected]>
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Pull virtio updates from Michael Tsirkin:
"virtio, vhost: fixes, tweaks
No new features but a bunch of tweaks such as switching balloon from
oom notifier to shrinker"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost/scsi: increase VHOST_SCSI_PREALLOC_PROT_SGLS to 2048
vhost: allow vhost-scsi driver to be built-in
virtio: pci-legacy: Validate queue pfn
virtio: mmio-v1: Validate queue PFN
virtio_balloon: replace oom notifier with shrinker
virtio-balloon: kzalloc the vb struct
virtio-balloon: remove BUG() in init_vqs
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This can be dropped with commit 771c035372a036f83353eef46dbb829780330234
("deprecate the '__deprecated' attribute warnings entirely and for good")
now in upstream.
And we got rid of the last __deprecated use, too.
Signed-off-by: Sedat Dilek <[email protected]>
[wsa: shortened commit message to reflect the current situation]
Signed-off-by: Wolfram Sang <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip updates for 4.19, take #2 from Marc Zyngier:
- bcm7038: compilation fix for !SMP
- stm32: fix teardown on probe error
- s3c24xx: fix compilation warning
- renesas-irqc: r8a774a1 support
- tango: chained irq setup simplification
- gic-v3: allow wake-up sources
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Signed-off-by: Wolfram Sang <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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The old @sunsite.dk address is no longer active, so update the references.
Signed-off-by: Peter Korsgaard <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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There aren't any users left. Remove this callback from the 2.4 times.
Phew, finally, that took years to reach...
Signed-off-by: Wolfram Sang <[email protected]>
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As we now have deferred probing, we can use a custom mechanism and
finally get rid of the legacy interface from the i2c core.
Signed-off-by: Wolfram Sang <[email protected]>
Acked-by: Michael Ellerman <[email protected]>
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"count" needs to be signed for the error handling to work. I made "i"
signed as well so they match.
Fixes: 02113ba93ea4 (PM / clk: Add support for obtaining clocks from device-tree)
Cc: 4.6+ <[email protected]> # 4.6+
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
- Add quirk to Lenovo B50-80 to use 6 bpc instead of 8 (Feng)
Signed-off-by: Dave Airlie <[email protected]>
From: Sean Paul <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20180823205434.GA137644@art_vandelay
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Merge yet more updates from Andrew Morton:
- the rest of MM
- various misc fixes and tweaks
* emailed patches from Andrew Morton <[email protected]>: (22 commits)
mm: Change return type int to vm_fault_t for fault handlers
lib/fonts: convert comments to utf-8
s390: ebcdic: convert comments to UTF-8
treewide: convert ISO_8859-1 text comments to utf-8
drivers/gpu/drm/gma500/: change return type to vm_fault_t
docs/core-api: mm-api: add section about GFP flags
docs/mm: make GFP flags descriptions usable as kernel-doc
docs/core-api: split memory management API to a separate file
docs/core-api: move *{str,mem}dup* to "String Manipulation"
docs/core-api: kill trailing whitespace in kernel-api.rst
mm/util: add kernel-doc for kvfree
mm/util: make strndup_user description a kernel-doc comment
fs/proc/vmcore.c: hide vmcoredd_mmap_dumps() for nommu builds
treewide: correct "differenciate" and "instanciate" typos
fs/afs: use new return type vm_fault_t
drivers/hwtracing/intel_th/msu.c: change return type to vm_fault_t
mm: soft-offline: close the race against page allocation
mm: fix race on soft-offlining free huge pages
namei: allow restricted O_CREAT of FIFOs and regular files
hfs: prevent crash on exit from failed search
...
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Almost all files in the kernel are either plain text or UTF-8 encoded. A
couple however are ISO_8859-1, usually just a few characters in a C
comments, for historic reasons.
This converts them all to UTF-8 for consistency.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>
Acked-by: Simon Horman <[email protected]> [IPVS portion]
Acked-by: Jonathan Cameron <[email protected]> [IIO]
Acked-by: Michael Ellerman <[email protected]> [powerpc]
Acked-by: Rob Herring <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Samuel Ortiz <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Rob Herring <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use new return type vm_fault_t for fault handler. For now, this is just
documenting that the function returns a VM_FAULT value rather than an
errno. Once all instances are converted, vm_fault_t will become a
distinct type.
Ref-> 1c8f422059ae ("mm: change return type to vm_fault_t")
Previously vm_insert_{pfn,mixed} returns err which driver mapped into
VM_FAULT_* type. The new function vmf_insert_{pfn,mixed} will replace
this inefficiency by returning VM_FAULT_* type.
vmf_error() is the newly introduce inline function in 4.17-rc6.
Link: http://lkml.kernel.org/r/20180713154541.GA3345@jordon-HP-15-Notebook-PC
Signed-off-by: Souptick Joarder <[email protected]>
Reviewed-by: Matthew Wilcox <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Patrik Jakobsson <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Also add these typos to spelling.txt so checkpatch.pl will look for them.
Link: http://lkml.kernel.org/r/88af06b9de34d870cb0afc46cfd24e0458be2575.1529471371.git.fthain@telegraphics.com.au
Signed-off-by: Finn Thain <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Joe Perches <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use new return type vm_fault_t for fault handler. For now, this is just
documenting that the function returns a VM_FAULT value rather than an
errno. Once all instances are converted, vm_fault_t will become a
distinct type.
See 1c8f422059ae ("mm: change return type to vm_fault_t") for reference.
Link: http://lkml.kernel.org/r/20180702155801.GA4010@jordon-HP-15-Notebook-PC
Signed-off-by: Souptick Joarder <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Pull UBI/UBIFS updates from Richard Weinberger:
- Year 2038 preparations
- New UBI feature to skip CRC checks of static volumes
- A new Kconfig option to disable xattrs in UBIFS
- Lots of fixes in UBIFS, found by our new test framework
* tag 'upstream-4.19-rc1' of git://git.infradead.org/linux-ubifs: (21 commits)
ubifs: Set default assert action to read-only
ubifs: Allow setting assert action as mount parameter
ubifs: Rework ubifs_assert()
ubifs: Pass struct ubifs_info to ubifs_assert()
ubifs: Turn two ubifs_assert() into a WARN_ON()
ubi: expose the volume CRC check skip flag
ubi: provide a way to skip CRC checks
ubifs: Use kmalloc_array()
ubifs: Check data node size before truncate
Revert "UBIFS: Fix potential integer overflow in allocation"
ubifs: Add comment on c->commit_sem
ubifs: introduce Kconfig symbol for xattr support
ubifs: use swap macro in swap_dirty_idx
ubifs: tnc: use monotonic znode timestamp
ubifs: use timespec64 for inode timestamps
ubifs: xattr: Don't operate on deleted inodes
ubifs: gc: Fix typo
ubifs: Fix memory leak in lprobs self-check
ubi: Initialize Fastmap checkmapping correctly
ubifs: Fix synced_i_size calculation for xattr inodes
...
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This contains mostly minor bug fixes as well as some new chip support
for existing drivers"
* tag 'pwm/for-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: mediatek: Add MT7628 support
dt-bindings: pwm: Add MT7628 information
dt-bindings: pwm: rcar: Add bindings for R-Car E3 support
pwm: meson: Fix mux clock names
pwm: stm32-lp: Remove useless loop in stm32_pwm_lp_remove()
pwm: omap-dmtimer: Return -EPROBE_DEFER if no dmtimer platform data
pwm: mxs: Switch to SPDX identifier
dt-bindings: pwm: fsl-ftm: Add compatible string for i.MX8QM
pwm: fsl-ftm: Enable support for the new SoC i.MX8QM
pwm: fsl-ftm: Added the support of per-compatible data
pwm: fsl-ftm: Added a dedicated IP interface clock
pwm: cros-ec: Switch to SPDX identifier
pwm: imx: Switch to SPDX identifier
pwm: tiehrpwm: Fix disabling of output of PWMs
pwm: tiehrpwm: Don't use emulation mode bits to control PWM output
pwm: berlin: Don't use broken prescaler values
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Pull fbdev updates from Bartlomiej Zolnierkiewicz:
"Mostly small fixes and cleanups for fb drivers (the biggest updates
are for udlfb and pxafb drivers). This also adds deferred console
takeover support to the console code and efifb driver.
Summary:
- add support for deferred console takeover, when enabled defers
fbcon taking over the console from the dummy console until the
first text is displayed on the console - together with the "quiet"
kernel commandline option this allows fbcon to still be used
together with a smooth graphical bootup (Hans de Goede)
- improve console locking debugging code (Thomas Zimmermann)
- copy the ACPI BGRT boot graphics to the framebuffer when deferred
console takeover support is used in efifb driver (Hans de Goede)
- update udlfb driver - fix lost console when the user unplugs a USB
adapter, fix the screen corruption issue, fix locking and add some
performance optimizations (Mikulas Patocka)
- update pxafb driver - fix using uninitialized memory, switch to
devm_* API, handle initialization errors and add support for
lcd-supply regulator (Daniel Mack)
- add support for boards booted with a DeviceTree in pxa3xx_gcu
driver (Daniel Mack)
- rename omap2 module to omap2fb.ko to avoid conflicts with omap1
driver (Arnd Bergmann)
- enable ACPI-based enumeration for goldfishfb driver (Yu Ning)
- fix goldfishfb driver to make user space Android code use 60 fps
(Christoffer Dall)
- print big fat warning when nomodeset kernel parameter is used in
vgacon driver (Lyude Paul)
- remove VLA usage from fsl-diu-fb driver (Kees Cook)
- misc fixes (Julia Lawall, Geert Uytterhoeven, Fredrik Noring,
Yisheng Xie, Dan Carpenter, Daniel Vetter, Anton Vasilyev, Randy
Dunlap, Gustavo A. R. Silva, Colin Ian King, Fengguang Wu)
- misc cleanups (Roman Kiryanov, Yisheng Xie, Colin Ian King)"
* tag 'fbdev-v4.19' of https://github.com/bzolnier/linux: (54 commits)
Documentation/fb: corrections for fbcon.txt
fbcon: Do not takeover the console from atomic context
dummycon: Stop exporting dummycon_[un]register_output_notifier
fbcon: Only defer console takeover if the current console driver is the dummycon
fbcon: Only allow FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER if fbdev is builtin
fbdev: omap2: omapfb: fix ifnullfree.cocci warnings
fbdev: omap2: omapfb: fix bugon.cocci warnings
fbdev: omap2: omapfb: fix boolreturn.cocci warnings
fb: amifb: fix build warnings when not builtin
fbdev/core: Disable console-lock warnings when fb.lockless_register_fb is set
console: Replace #if 0 with atomic var 'ignore_console_lock_warning'
udlfb: use spin_lock_irq instead of spin_lock_irqsave
udlfb: avoid prefetch
udlfb: optimization - test the backing buffer
udlfb: allow reallocating the framebuffer
udlfb: set line_length in dlfb_ops_set_par
udlfb: handle allocation failure
udlfb: set optimal write delay
udlfb: make a local copy of fb_ops
udlfb: don't switch if we are switching to the same videomode
...
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Pull more rdma updates from Jason Gunthorpe:
"This is the SMC cleanup promised, a randconfig regression fix, and
kernel oops fix.
Summary:
- Switch SMC over to rdma_get_gid_attr and remove the compat
- Fix a crash in HFI1 with some BIOS's
- Fix a randconfig failure"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
IB/ucm: fix UCM link error
IB/hfi1: Invalid NUMA node information can cause a divide by zero
RDMA/smc: Replace ib_query_gid with rdma_get_gid_attr
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes and cleanups from Juergen Gross:
"Some cleanups, some minor fixes and a fix for a bug introduced in this
merge window hitting 32-bit PV guests"
* tag 'for-linus-4.19b-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/xen: enable early use of set_fixmap in 32-bit Xen PV guest
xen: remove unused hypercall functions
x86/xen: remove unused function xen_auto_xlated_memory_setup()
xen/ACPI: don't upload Px/Cx data for disabled processors
x86/Xen: further refine add_preferred_console() invocations
xen/mcelog: eliminate redundant setting of interface version
x86/Xen: mark xen_setup_gdt() __init
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM device-tree updates from Olof Johansson:
"Business as usual -- the bulk of our changes are to devicetree files
with new hardware support, new SoCs and platforms, and new board
types.
New SoCs/platforms:
- Raspberry Pi Compute Module (CM1) and IO board
- i.MX6SSL from NXP
- Renesas RZ/N1D SoC (R9A06G032), Dual Cortex-A7 with Ethernet, CAN
and PLC interfaces
- TI AM654 SoC, Quad Cortex-A53, safety subsystem with Cortex-R5
controllers, communication and PRU subsystem and lots of other
interfaces (PCIe, USB3, etc).
New boards and systems:
- Several Atmel at91-based boards from Laird
- Marvell Armada388-based Helios4 board from SolidRun
- Samsung Aires-based phones (s5pv210)
- Allwinner A64-based Pinebook laptop
In addition to the above, there's the usual amount of new devices
described on existing platforms, fixes and tweaks and new minor
variants of boards/platforms"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (478 commits)
arm64: dts: sdm845: Add tsens nodes
arm64: dts: msm8996: thermal: Initialise via DT and add second controller
arm64: dts: sprd: Add one suspend timer
arm64: dts: sprd: Add SC27XX ADC device
arm64: dts: sprd: Add SC27XX eFuse device
arm64: dts: sprd: Add SC27XX vibrator device
arm64: dts: sprd: Add SC27XX breathing light controller device
arm64: dts: meson-axg: add spdif-dit codec
arm64: dts: meson-axg: add lineout codec
arm64: dts: meson-axg: add linein codec
arm64: dts: meson-axg: add tdm interfaces
arm64: dts: meson-axg: add tdmout formatters
arm64: dts: meson-axg: add tdmin formatters
arm64: dts: meson-axg: add spdifout
arm64: dts: rockchip: add led support for Firefly-RK3399
arm64: dts: rockchip: remove deprecated Type-C PHY properties on rk3399
arm64: dts: rockchip: add power button support for Firefly-RK3399
ARM: dts: aspeed: Add coprocessor interrupt controller
arm64: dts: meson-axg: add audio arb reset controller
arm64: dts: meson-axg: add usb power regulator
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Some of the larger changes this merge window:
- Removal of drivers for Exynos5440, a Samsung SoC that never saw
widespread use.
- Uniphier support for USB3 and SPI reset handling
- Syste control and SRAM drivers and bindings for Allwinner platforms
- Qualcomm AOSS (Always-on subsystem) reset controller drivers
- Raspberry Pi hwmon driver for voltage
- Mediatek pwrap (pmic) support for MT6797 SoC"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (52 commits)
drivers/firmware: psci_checker: stash and use topology_core_cpumask for hotplug tests
soc: fsl: cleanup Kconfig menu
soc: fsl: dpio: Convert DPIO documentation to .rst
staging: fsl-mc: Remove remaining files
staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl
staging: fsl-dpaa2: eth: move generic FD defines to DPIO
soc: fsl: qe: gpio: Add qe_gpio_set_multiple
usb: host: exynos: Remove support for Exynos5440
clk: samsung: Remove support for Exynos5440
soc: sunxi: Add the A13, A23 and H3 system control compatibles
reset: uniphier: add reset control support for SPI
cpufreq: exynos: Remove support for Exynos5440
ata: ahci-platform: Remove support for Exynos5440
soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs
soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs
soc: mediatek: pwrap: fix cipher init setting error
dt-bindings: pwrap: mediatek: add pwrap support for MT6797
reset: uniphier: add USB3 core reset control
dt-bindings: reset: uniphier: add USB3 core reset support
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM 32-bit SoC platform updates from Olof Johansson:
"Most of the SoC updates in this cycle are cleanups and moves to more
modern infrastructure:
- Davinci was moved to common clock framework
- OMAP1-based Amstrad E3 "Superphone" saw a bunch of cleanups to the
keyboard interface (bitbanged AT keyboard via GPIO).
- Removal of some stale code for Renesas platforms
- Power management improvements for i.MX6LL"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (112 commits)
ARM: uniphier: select RESET_CONTROLLER
arm64: uniphier: select RESET_CONTROLLER
ARM: uniphier: remove empty Makefile
ARM: exynos: Clear global variable on init error path
ARM: exynos: Remove outdated maintainer information
ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15
ARM: shmobile: r8a7779: hide unused r8a7779_platform_cpu_kill
soc: r9a06g032: don't build SMP files for non-SMP config
ARM: shmobile: Add the R9A06G032 SMP enabler driver
ARM: at91: pm: configure wakeup sources for ULP1 mode
ARM: at91: pm: add PMC fast startup registers defines
ARM: at91: pm: Add ULP1 mode support
ARM: at91: pm: Use ULP0 naming instead of slow clock
ARM: hisi: handle of_iomap and fix missing of_node_put
ARM: hisi: check of_iomap and fix missing of_node_put
ARM: hisi: fix error handling and missing of_node_put
ARM: mx5: Set the DBGEN bit in ARM_GPC register
ARM: imx51: Configure M4IF to avoid visual artifacts
ARM: imx: call imx6sx_cpuidle_init() conditionally for 6sll
ARM: imx: fix i.MX6SLL build
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1) Add missing "\n" when printing link event error message.
2) Update dev_err statement in probe.
3) Add function description for ice_clear_pf_cfg.
4) Fix coding style for ice_acquire_nvm.
5) netdev->mtu is unsigned so use %u.
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Recent versions of checkpatch have a new warning based on a documented
preference of Linus to not use bool in structures due to wasted space and
the size of bool is implementation dependent. For more information, see
the email thread at https://lkml.org/lkml/2017/11/21/384.
Signed-off-by: Bruce Allan <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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In ice_vsi_setup_[tx|rx]_rings, err is uninitialized which can result in
a garbage value return to the caller. Fix that.
Signed-off-by: Jesse Brandeburg <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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1) When ice_ena_msix_range() fails to reserve vectors, a devm_kfree()
warning was seen in the error flow path. So check pf->irq_tracker
before use in ice_clear_interrupt_scheme().
2) In ice_vsi_cfg(), check vsi->netdev before use.
3) In ice_get_link_status, check link_up before use.
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Remove the following interrupt causes that are not applicable or not
handled:
- PFINT_OICR_HLP_RDY_M
- PFINT_OICR_CPM_RDY_M
- PFINT_OICR_GPIO_M
- PFINT_OICR_STORM_DETECT_M
Add the following interrupt cause that's actually handled in ice_misc_intr:
- PFINT_OICR_PE_CRITERR_M
Signed-off-by: Bruce Allan <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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In the struct ice_aqc_vsi_props the field port_vlan_flags is an
overloaded term because it is used for both port VLANs (PVLANs) and
regular VLANs. This is an issue and is very confusing especially when
dealing with VFs because normal VLANs and port VLANs are not the same.
To fix this the field was renamed to vlan_flags and all of the #define's
labeled *_PVLAN_* were renamed to *_VLAN_* if they are not specific to
port VLANs.
Also in ice_vsi_manage_vlan_stripping, set the ICE_AQ_VSI_VLAN_MODE_ALL
bit to allow the driver to add a VLAN tag to all packets it sends.
Signed-off-by: Brett Creeley <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Currently, we use a combination of ilog2 and is_power_of_2() to
calculate the next power of 2 for the qcount. This appears to be causing
a warning on some combinations of GCC and the Linux kernel:
MODPOST 1 modules
WARNING: "____ilog2_NaN" [ice.ko] undefined!
This appears to because because GCC realizes that qcount could be zero
in some circumstances and thus attempts to link against the
intentionally undefined ___ilog2_NaN function.
The order_base_2 function is intentionally defined to return 0 when
passed 0 as an argument, and thus will be safe to use here.
This not only fixes the warning but makes the resulting code slightly
cleaner, and is really what we should have used originally.
Also update the comment to make it more clear that we are rounding up,
not just incrementing the ilog2 of qcount unconditionally.
Signed-off-by: Jacob Keller <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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This patch is a consolidation of multiple bug fixes for control queue
processing.
1) In ice_clean_adminq_subtask() remove unnecessary reads/writes to
registers. The bits PFINT_FW_CTL, PFINT_MBX_CTL and PFINT_SB_CTL
are not set when an interrupt arrives, which means that clearing them
again can be omitted.
2) Get an accurate value in "pending" by re-reading the control queue
head register from the hardware.
3) Fix a corner case involving lost control queue messages by checking
for new control messages (using ice_ctrlq_pending) before exiting the
cleanup routine.
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Clean control queues only when they are initialized. One of the ways to
validate if the basic initialization is done is by checking value of
cq->sq.head and cq->rq.head variables that specify the register address.
This patch adds a check to avoid NULL pointer dereference crash when tried
to shutdown uninitialized control queue.
Signed-off-by: Preethi Banala <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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It is not safe to have the string table for statistics change order or
size over the lifetime of a given netdevice. This is because of the
nature of the 3-step process for obtaining stats. First, user space
performs a request for the size of the strings table. Second it performs
a separate request for the strings themselves, after allocating space
for the table. Third, it requests the stats themselves, also allocating
space for the table.
If the size decreased, there is potential to see garbage data or stats
values. In the worst case, we could potentially see stats values become
mis-aligned with their strings, so that it looks like a statistic is
being reported differently than it actually is.
Even worse, if the size increased, there is potential that the strings
table or stats table was not allocated large enough and the stats code
could access and write to memory it should not, potentially resulting in
undefined behavior and system crashes.
It isn't even safe if the size always changes under the RTNL lock. This
is because the calls take place over multiple user space commands, so it
is not possible to hold the RTNL lock for the entire duration of
obtaining strings and stats. Further, not all consumers of the ethtool
API are the user space ethtool program, and it is possible that one
assumes the strings will not change (valid under the current contract),
and thus only requests the stats values when requesting stats in a loop.
Finally, it's not possible in the general case to detect when the size
changes, because it is quite possible that one value which could impact
the stat size increased, while another decreased. This would result in
the same total number of stats, but reordering them so that stats no
longer line up with the strings they belong to. Since only size changes
aren't enough, we would need some sort of hash or token to determine
when the strings no longer match. This would require extending the
ethtool stats commands, but there is no more space in the relevant
structures.
The real solution to resolve this would be to add a completely new API
for stats, probably over netlink.
In the ice driver, the only thing impacting the stats that is not
constant is the number of queues. Instead of reporting stats for each
used queue, report stats for each allocated queue. We do not change the
number of queues allocated for a given netdevice, as we pass this into
the alloc_etherdev_mq() function to set the num_tx_queues and
num_rx_queues.
This resolves the potential bugs at the slight cost of displaying many
queue statistics which will not be activated.
Signed-off-by: Jacob Keller <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Use define for the unit size shift of the Rx LAN context descriptor base
address instead of the magic number 7.
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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There is already a check for owner == ICE_SCHED_NODE_OWNER_LAN at the
beginning of ice_sched_update_vsi_child_nodes. Remove the additional
check to address the static analysis tool smatch issue "warn: we tested
'owner' before and it was 'false'".
Signed-off-by: Bruce Allan <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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This patch fixes the following smatch errors:
1) Fix "odd binop '0x0 & 0xc'" when performing the bitwise-and with a
constant value of zero (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128_FLAG).
Remove a similar bitwise-and with 0 in ice_add_marker_act() and use the
right mask ICE_LG_ACT_GENERIC_OFFSET_M in the expression.
2) Fix a similar issue "odd binop '0x0 & 0x1800' in ice_req_irq_msix_misc.
3) Fix "odd binop '0x380000 & 0x7fff8'" in ice_add_marker_act(). Also, use
a new define ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX instead of magic
number '7'.
4) Fix warn: odd binop '0x0 & 0x18' in ice_set_dflt_vsi_ctx() by removing
unnecessary logic to explicitly unset bits 3 and 4 in port_vlan_bits.
These bits are unset already by the memset on ctxt->info.
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Tony Brelinski <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Another panel that reports "DFP 1.x compliant TMDS" but it supports 6bpc
instead of 8 bpc.
Apply 6 bpc quirk for the panel to fix it.
BugLink: https://bugs.launchpad.net/bugs/1788308
Cc: <[email protected]> # v4.8+
Signed-off-by: Kai-Heng Feng <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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My fix for a recursive Kconfig dependency caused another issue where the
ACPI specific options end up in the top-level menu in 'menuconfig'. This
was an unintended side-effect of having a silent option between
'menuconfig ACPI' and 'if ACPI'.
Moving the ARCH_SUPPORTS_ACPI symbol ahead of the ACPI menu solves that
problem and restores the previous presentation.
Reported-by: Ard Biesheuvel <[email protected]>
Fixes: 2c870e61132c (arm64: fix ACPI dependencies)
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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I have encountered an interrupt storm during the eMMC chip probing (and
the chip finally didn't get detected). It turned out that U-Boot left
the SDHI DMA interrupts enabled while the Linux driver didn't use those.
Masking those interrupts in renesas_sdhi_internal_dmac_request_dma() gets
rid of both issues...
Signed-off-by: Sergei Shtylyov <[email protected]>
Reviewed-by: Wolfram Sang <[email protected]>
Fixes: 2a68ea7896e3 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC")
Cc: [email protected] # v4.14+
Signed-off-by: Ulf Hansson <[email protected]>
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The DM_CM_RST register actually has bits 0-31 defaulting to 1s and bits
32-63 defaulting to 0s -- fix off-by-one in #define RST_RESERVED_BITS.
Signed-off-by: Sergei Shtylyov <[email protected]>
Reviewed-by: Wolfram Sang <[email protected]>
Fixes: 2a68ea7896e3 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC")
Cc: [email protected] # v4.14+
Signed-off-by: Ulf Hansson <[email protected]>
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