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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes and cleanups from Rob Herring:
- Fix a regression when probing a child device reusing the parent
device's DT node pointer
- Refactor of_parse_phandle*() variants to static inlines
- Drop Enric Balletbo i Serra as a maintainer
- Fix DT schemas with arrays incorrectly encoded as a matrix
- Drop unneeded pinctrl properties from schemas
- Add SPI peripheral schema to SPI based displays
- Clean-up several schema examples
- Clean-up trivial-devices.yaml comments
- Add missing, in use vendor prefixes: Wingtech, Thundercomm, Huawei,
F(x)tec, 8devices
* tag 'devicetree-fixes-for-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: google,cros-ec: drop Enric Balletbo i Serra from maintainers
dt-bindings: display: bridge: drop Enric Balletbo i Serra from maintainers
of: Check 'of_node_reused' flag on of_match_device()
of: property: define of_property_read_u{8,16,32,64}_array() unconditionally
of: base: make small of_parse_phandle() variants static inline
dt-bindings: mfd: cirrus,madera: Fix 'interrupts' in example
dt-bindings: Fix array schemas encoded as matrices
dt-bindings: Drop unnecessary pinctrl properties
dt-bindings: rtc: st,stm32-rtc: Make each example a separate entry
dt-bindings: mmc: arm,pl18x: Make each example a separate entry
dt-bindings: display: Add SPI peripheral schema to SPI based displays
scripts/dtc: dtx_diff: remove broken example from help text
dt-bindings: trivial-devices: fix double spaces in comments
dt-bindings: trivial-devices: fix swapped comments
dt-bindings: vendor-prefixes: add Wingtech
dt-bindings: vendor-prefixes: add Thundercomm
dt-bindings: vendor-prefixes: add Huawei
dt-bindings: vendor-prefixes: add F(x)tec
dt-bindings: vendor-prefixes: add 8devices
dt-bindings: power: reset: gpio-restart: Correct default priority
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Commit 0f153a1b8193 ("usb: chipidea: Set the DT node on the child
device") caused the child device to match on the parent driver
instead of the child's driver since the child's DT node pointer matched.
The worst case result is a loop of the parent driver probing another
instance and creating yet another child device eventually exhausting the
stack. If the child driver happens to match first, then everything works
fine.
A device sharing the DT node should never do DT based driver matching,
so let's simply check of_node_reused in of_match_device() to prevent
that.
Fixes: 0f153a1b8193 ("usb: chipidea: Set the DT node on the child device")
Link: https://lore.kernel.org/all/20220114105620.GK18506@ediswmail.ad.cirrus.com/
Reported-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Peter Chen <peter.chen@nxp.com>
Tested-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220118173404.1891800-1-robh@kernel.org
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Make all the smaller variants of the of_parse_phandle() static inline.
This also let us remove the empty function stubs if CONFIG_OF is not
defined.
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Walle <michael@walle.cc>
[robh: move index < 0 check into __of_parse_phandle_with_args]
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220118173504.2867523-2-michael@walle.cc
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Merge misc updates from Andrew Morton:
"146 patches.
Subsystems affected by this patch series: kthread, ia64, scripts,
ntfs, squashfs, ocfs2, vfs, and mm (slab-generic, slab, kmemleak,
dax, kasan, debug, pagecache, gup, shmem, frontswap, memremap,
memcg, selftests, pagemap, dma, vmalloc, memory-failure, hugetlb,
userfaultfd, vmscan, mempolicy, oom-kill, hugetlbfs, migration, thp,
ksm, page-poison, percpu, rmap, zswap, zram, cleanups, hmm, and
damon)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (146 commits)
mm/damon: hide kernel pointer from tracepoint event
mm/damon/vaddr: hide kernel pointer from damon_va_three_regions() failure log
mm/damon/vaddr: use pr_debug() for damon_va_three_regions() failure logging
mm/damon/dbgfs: remove an unnecessary variable
mm/damon: move the implementation of damon_insert_region to damon.h
mm/damon: add access checking for hugetlb pages
Docs/admin-guide/mm/damon/usage: update for schemes statistics
mm/damon/dbgfs: support all DAMOS stats
Docs/admin-guide/mm/damon/reclaim: document statistics parameters
mm/damon/reclaim: provide reclamation statistics
mm/damon/schemes: account how many times quota limit has exceeded
mm/damon/schemes: account scheme actions that successfully applied
mm/damon: remove a mistakenly added comment for a future feature
Docs/admin-guide/mm/damon/usage: update for kdamond_pid and (mk|rm)_contexts
Docs/admin-guide/mm/damon/usage: mention tracepoint at the beginning
Docs/admin-guide/mm/damon/usage: remove redundant information
Docs/admin-guide/mm/damon/usage: update for scheme quotas and watermarks
mm/damon: convert macro functions to static inline functions
mm/damon: modify damon_rand() macro to static inline function
mm/damon: move damon_rand() definition into damon.h
...
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Reserved regions with direct mapping may contain references to other
regions. CMA region with fixed location is reserved without creating
kmemleak_object for it.
So add them as gray kmemleak objects.
Link: https://lkml.kernel.org/r/20211123090641.3654006-1-calvinzhang.cool@gmail.com
Signed-off-by: Calvin Zhang <calvinzhang.cool@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"Bindings:
- DT schema conversions for Samsung clocks, RNG bindings, Qcom
Command DB and rmtfs, gpio-restart, i2c-mux-gpio, i2c-mux-pinctl,
Tegra I2C and BPMP, pwm-vibrator, Arm DSU, and Cadence macb
- DT schema conversions for Broadcom platforms: interrupt
controllers, STB GPIO, STB waketimer, STB reset, iProc MDIO mux,
iProc PCIe, Cygnus PCIe PHY, PWM, USB BDC, BCM6328 LEDs, TMON,
SYSTEMPORT, AMAC, Northstar 2 PCIe PHY, GENET, moca PHY, GISB
arbiter, and SATA
- Add binding schemas for Tegra210 EMC table, TI DC-DC converters,
- Clean-ups of MDIO bus schemas to fix 'unevaluatedProperties' issues
- More fixes due to 'unevaluatedProperties' enabling
- Data type fixes and clean-ups of binding examples found in
preparation to move to validating DTB files directly (instead of
intermediate YAML representation.
- Vendor prefixes for T-Head Semiconductor, OnePlus, and Sunplus
- Add various new compatible strings
DT core:
- Silence a warning for overlapping reserved memory regions
- Reimplement unittest overlay tracking
- Fix stack frame size warning in unittest
- Clean-ups of early FDT scanning functions
- Fix handling of "linux,usable-memory-range" on EFI booted systems
- Add support for 'fail' status on CPU nodes
- Improve error message in of_phandle_iterator_next()
- kbuild: Disable duplicate unit-address warnings for disabled nodes"
* tag 'devicetree-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (114 commits)
dt-bindings: net: mdio: Drop resets/reset-names child properties
dt-bindings: clock: samsung: convert S5Pv210 to dtschema
dt-bindings: clock: samsung: convert Exynos5410 to dtschema
dt-bindings: clock: samsung: convert Exynos5260 to dtschema
dt-bindings: clock: samsung: extend Exynos7 bindings with UFS
dt-bindings: clock: samsung: convert Exynos7 to dtschema
dt-bindings: clock: samsung: convert Exynos5433 to dtschema
dt-bindings: i2c: maxim,max96712: Add bindings for Maxim Integrated MAX96712
dt-bindings: iio: adi,ltc2983: Fix 64-bit property sizes
dt-bindings: power: maxim,max17040: Fix incorrect type for 'maxim,rcomp'
dt-bindings: interrupt-controller: arm,gic-v3: Fix 'interrupts' cell size in example
dt-bindings: iio/magnetometer: yamaha,yas530: Fix invalid 'interrupts' in example
dt-bindings: clock: imx5: Drop clock consumer node from example
dt-bindings: Drop required 'interrupt-parent'
dt-bindings: net: ti,dp83869: Drop value on boolean 'ti,max-output-impedance'
dt-bindings: net: wireless: mt76: Fix 8-bit property sizes
dt-bindings: PCI: snps,dw-pcie-ep: Drop conflicting 'max-functions' schema
dt-bindings: i2c: st,stm32-i2c: Make each example a separate entry
dt-bindings: net: stm32-dwmac: Make each example a separate entry
dt-bindings: net: Cleanup MDIO node schemas
...
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Pick a fix which didn't make it into v5.16.
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On arm64, during kdump kernel saves vmcore, it runs into the following bug:
...
[ 15.148919] usercopy: Kernel memory exposure attempt detected from SLUB object 'kmem_cache_node' (offset 0, size 4096)!
[ 15.159707] ------------[ cut here ]------------
[ 15.164311] kernel BUG at mm/usercopy.c:99!
[ 15.168482] Internal error: Oops - BUG: 0 [#1] SMP
[ 15.173261] Modules linked in: xfs libcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64 sha1_ce sbsa_gwdt ast i2c_algo_bit drm_vram_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec drm_ttm_helper ttm drm nvme nvme_core xgene_hwmon i2c_designware_platform i2c_designware_core dm_mirror dm_region_hash dm_log dm_mod overlay squashfs zstd_decompress loop
[ 15.206186] CPU: 0 PID: 542 Comm: cp Not tainted 5.16.0-rc4 #1
[ 15.212006] Hardware name: GIGABYTE R272-P30-JG/MP32-AR0-JG, BIOS F12 (SCP: 1.5.20210426) 05/13/2021
[ 15.221125] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 15.228073] pc : usercopy_abort+0x9c/0xa0
[ 15.232074] lr : usercopy_abort+0x9c/0xa0
[ 15.236070] sp : ffff8000121abba0
[ 15.239371] x29: ffff8000121abbb0 x28: 0000000000003000 x27: 0000000000000000
[ 15.246494] x26: 0000000080000400 x25: 0000ffff885c7000 x24: 0000000000000000
[ 15.253617] x23: 000007ff80400000 x22: ffff07ff80401000 x21: 0000000000000001
[ 15.260739] x20: 0000000000001000 x19: ffff07ff80400000 x18: ffffffffffffffff
[ 15.267861] x17: 656a626f2042554c x16: 53206d6f72662064 x15: 6574636574656420
[ 15.274983] x14: 74706d6574746120 x13: 2129363930342065 x12: 7a6973202c302074
[ 15.282105] x11: ffffc8b041d1b148 x10: 00000000ffff8000 x9 : ffffc8b04012812c
[ 15.289228] x8 : 00000000ffff7fff x7 : ffffc8b041d1b148 x6 : 0000000000000000
[ 15.296349] x5 : 0000000000000000 x4 : 0000000000007fff x3 : 0000000000000000
[ 15.303471] x2 : 0000000000000000 x1 : ffff07ff8c064800 x0 : 000000000000006b
[ 15.310593] Call trace:
[ 15.313027] usercopy_abort+0x9c/0xa0
[ 15.316677] __check_heap_object+0xd4/0xf0
[ 15.320762] __check_object_size.part.0+0x160/0x1e0
[ 15.325628] __check_object_size+0x2c/0x40
[ 15.329711] copy_oldmem_page+0x7c/0x140
[ 15.333623] read_from_oldmem.part.0+0xfc/0x1c0
[ 15.338142] __read_vmcore.constprop.0+0x23c/0x350
[ 15.342920] read_vmcore+0x28/0x34
[ 15.346309] proc_reg_read+0xb4/0xf0
[ 15.349871] vfs_read+0xb8/0x1f0
[ 15.353088] ksys_read+0x74/0x100
[ 15.356390] __arm64_sys_read+0x28/0x34
...
This bug introduced by commit b261dba2fdb2 ("arm64: kdump: Remove custom
linux,usable-memory-range handling"), which moves
memblock_cap_memory_range() to fdt, but it breaches the rules that
memblock_cap_memory_range() should come after memblock_add() etc as said
in commit e888fa7bb882 ("memblock: Check memory add/cap ordering").
As a consequence, the virtual address set up by copy_oldmem_page() does
not bail out from the test of virt_addr_valid() in check_heap_object(),
and finally hits the BUG_ON().
Since memblock allocator has no idea about when the memblock is fully
populated, while efi_init() is aware, so tackling this issue by calling the
interface early_init_dt_check_for_usable_mem_range() exposed by of/fdt.
Fixes: b261dba2fdb2 ("arm64: kdump: Remove custom linux,usable-memory-range handling")
Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Nick Terrell <terrelln@fb.com>
Cc: linux-arm-kernel@lists.infradead.org
To: devicetree@vger.kernel.org
To: linux-efi@vger.kernel.org
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211215021348.8766-1-kernelfans@gmail.com
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Currently, we parse the "linux,usable-memory-range" property in
early_init_dt_scan_chosen(), to obtain the specified memory range of the
crash kernel. We then reserve the required memory after
early_init_dt_scan_memory() has identified all available physical memory.
Because the two pieces of code are separated far, the readability and
maintainability are reduced. So bring them together.
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
(change the prototype of early_init_dt_check_for_usable_mem_range(), in
order to use it outside)
Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
Tested-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Acked-by: John Donnelly <john.p.donnelly@oracle.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
To: devicetree@vger.kernel.org
To: linux-efi@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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In commit 8a5a75e5e9e5 ("of/fdt: Make sure no-map does not remove
already reserved regions") we returned -EBUSY when trying to mark
regions as no-map when they intersect with reserved memory. The goal was
to find bad no-map reserved memory DT nodes that would unmap the kernel
text/data sections.
The problem is the reserved memory check will still trigger if the DT
has a /memreserve/ that completely subsumes the no-map memory carveouts
in the reserved memory node _and_ that region is also not part of the
memory reg property. For example in sc7180.dtsi we have the following
reserved-memory and memory node:
memory@80000000 {
/* We expect the bootloader to fill in the size */
reg = <0 0x80000000 0 0>;
};
smem_mem: memory@80900000 {
reg = <0x0 0x80900000 0x0 0x200000>;
no-map;
};
and the memreserve filled in by the bootloader is
/memreserve/ 0x80800000 0x400000;
while the /memory node is transformed into
memory@80000000 {
/* The bootloader fills in the size, and adds another region */
reg = <0 0x80000000 0 0x00800000>,
<0 0x80c00000 0 0x7f200000>;
};
The smem region is doubly reserved via /memreserve/ and by not being
part of the /memory reg property. This leads to the following warning
printed at boot.
OF: fdt: Reserved memory: failed to reserve memory for node 'memory@80900000': base 0x0000000080900000, size 2 MiB
Otherwise nothing really goes wrong because the smem region is not going
to be mapped by the kernel's direct linear mapping given that it isn't
part of the memory node. Therefore, let's only consider this to be a
problem if we're trying to mark a region as no-map and it is actually
memory that we're intending to keep out of the kernel's direct mapping
but it's already been reserved.
Acked-by: Mike Rapoport <rppt@kernel.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Nicolas Boichat <drinkcat@chromium.org>
Cc: Quentin Perret <qperret@google.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Fixes: 8a5a75e5e9e5 ("of/fdt: Make sure no-map does not remove already reserved regions")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220107194233.2793146-1-swboyd@chromium.org
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Eliminate the following coccicheck warning:
./drivers/of/unittest.c:1961:2-3: Unneeded semicolon
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220107002826.77939-1-yang.lee@linux.alibaba.com
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The cells_name field of of_phandle_iterator might be NULL. Use the
phandle name instead. With this change instead of:
OF: /soc/pinctrl@1000000: (null) = 3 found 2
We get:
OF: /soc/pinctrl@1000000: phandle pinctrl@1000000 needs 3, found 2
Which is a more helpful messages making DT debugging easier.
In this particular example the phandle name looks like duplicate of the
same node name. But note that the first node is the parent node
(it->parent), while the second is the phandle target (it->node). They
happen to be the same in the case that triggered this improvement. See
commit 72cb4c48a46a ("arm64: dts: qcom: ipq6018: Fix gpio-ranges
property").
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/f6a68e0088a552ea9dfd4d8e3b5b586d92594738.1640881913.git.baruch@tkos.co.il
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The cell_count field of of_phandle_iterator is the number of cells we
expect in the phandle arguments list when cells_name is missing. The
error message should show the number of cells we actually see.
Fixes: af3be70a3211 ("of: Improve of_phandle_iterator_next() error message")
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/96519ac55be90a63fa44afe01480c30d08535465.1640881913.git.baruch@tkos.co.il
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Some overlays are tracked when they are applied. The tracked overlays
are later removed after the overlay tests are completed. The old
implementation makes assumptions about the expected values for
overlay changeset id created by the overlay apply which result
in fragile code. The new code removes the assumptions.
A symptom that exposes a problem with the tracking code is a
warning "UBSAN: shift-out-of-bounds in drivers/of/unittest.c:1933:36",
Kernel Version: 5.15-rc7, PPC-64, Talos II. This results from variable
"id" value of -1 in the final line of of_unittest_untrack_overlay().
Reported-by: erhard_f@mailbox.org
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220101033329.1277779-3-frowand.list@gmail.com
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Unittest inconsistently interchanges overlay changeset id and
overlay id. Change variable names of overlay id to overlay
changeset id.
Do not fix variable names in the overlay tracking functions
of_unittest_overlay_tracked(), of_unittest_track_overlay(), and
of_unittest_destroy_tracked_overlays() which will be replaced in
a following commit.
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220101033329.1277779-2-frowand.list@gmail.com
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Use of the of_scan_flat_dt() function predates libfdt and is discouraged
as libfdt provides a nicer set of APIs. Rework
early_init_dt_scan_memory() to be called directly and use libfdt.
Cc: John Crispin <john@phrozen.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: linux-mips@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211215150102.1303588-1-robh@kernel.org
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Use of the of_scan_flat_dt() function predates libfdt and is discouraged
as libfdt provides a nicer set of APIs. Rework early_init_dt_scan_root()
to be called directly and use libfdt.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Link: https://lore.kernel.org/r/20211118181213.1433346-3-robh@kernel.org
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Use of the of_scan_flat_dt() function predates libfdt and is discouraged
as libfdt provides a nicer set of APIs. Rework
early_init_dt_scan_chosen() to be called directly and use libfdt.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Link: https://lore.kernel.org/r/20211118181213.1433346-2-robh@kernel.org
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If an architecture does not support 64 bit dma addresses then testing
for an expected dma address >= 0x100000000 will fail.
Fixes: e0d072782c73 ("dma-mapping: introduce DMA range map, supplanting dma_pfn_offset")
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211212221852.233295-1-frowand.list@gmail.com
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The struct device variable "dev_bogus" was triggering this warning
on a PowerPC build:
drivers/of/unittest.c: In function 'of_unittest_dma_ranges_one.constprop':
[...] >> The frame size of 1424 bytes is larger than 1024 bytes
[-Wframe-larger-than=]
This variable is now dynamically allocated.
Fixes: e0d072782c734 ("dma-mapping: introduce DMA range map, supplanting dma_pfn_offset")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211210184636.7273-2-jim2101024@gmail.com
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Allow fully disabling CPU nodes using status = "fail".
This allows a bootloader to change the number of available CPUs (for
example when a common DTS is used for SoC variants with different numbers
of cores) without deleting the nodes altogether, which could require
additional fixups to avoid dangling phandle references.
Unknown status values (everything that is not "okay"/"ok", "disabled" or
"fail"/"fail-...") will continue to be interpreted like "disabled",
meaning that the CPU can be enabled during boot.
References:
- https://www.spinics.net/lists/devicetree-spec/msg01007.html
- https://github.com/devicetree-org/dt-schema/pull/61
Link: https://lore.kernel.org/all/CAL_Jsq+1LsTBdVaODVfmB0eme2jMpNL4VgKk-OM7rQWyyF0Jbw@mail.gmail.com/
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Tested-by: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Link: https://lore.kernel.org/r/20211122114536.2981-1-matthias.schiffer@ew.tq-group.com
Signed-off-by: Rob Herring <robh@kernel.org>
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In the struct supplier_bindings the member 'node_not_dev' is described as
"The consumer node containing the property is never a device.", but that is
inconsistent with the behaviour of the code in of_link_property(), as it
calls of_get_compat_node() that starts parsing for a compatible property
from the node it gets passed to it. The proper behaviour is to start at the
node's parent, so let's do that.
While at it, let's take the opportunity to update the description of the
'node_not_dev' flag, as to clarify its purpose.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210902090221.820254-1-ulf.hansson@linaro.org
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Backmerging for v5.16-rc5. Resolves a conflict between drm-misc-next
and drm-misc-fixes in the vc4 driver.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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Since commit 041284181226 ("of/irq: Allow matching of an interrupt-map
local to an interrupt controller"), a handful of interrupt controllers
have stopped working correctly. This is due to the DT exposing a
non-sensical interrupt-map property, and their drivers relying on the
kernel ignoring this property.
Since we cannot realistically fix this terrible behaviour, add a quirk
for the limited set of devices that have implemented this monster,
and document that this is a pretty bad practice.
Fixes: 041284181226 ("of/irq: Allow matching of an interrupt-map local to an interrupt controller")
Cc: Rob Herring <robh@kernel.org>
Cc: John Crispin <john@phrozen.org>
Cc: Biwen Li <biwen.li@nxp.com>
Cc: Chris Brandt <chris.brandt@renesas.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20211201114102.13446-1-maz@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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This code is required for both simplefb and simpledrm, so let's move it
into the OF core instead of having it as an ad-hoc initcall in the
drivers.
Signed-off-by: Hector Martin <marcan@marcan.st>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20211212062407.138309-2-marcan@marcan.st
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Two fixes due to DT node name changes on Arm, Ltd. boards
- Treewide rename of Ingenic CGU headers
- Update ST email addresses
- Remove Netlogic DT bindings
- Dropping few more cases of redundant 'maxItems' in schemas
- Convert toshiba,tc358767 bridge binding to schema
* tag 'devicetree-fixes-for-5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: watchdog: sunxi: fix error in schema
bindings: media: venus: Drop redundant maxItems for power-domain-names
dt-bindings: Remove Netlogic bindings
clk: versatile: clk-icst: Ensure clock names are unique
of: Support using 'mask' in making device bus id
dt-bindings: treewide: Update @st.com email address to @foss.st.com
dt-bindings: media: Update maintainers for st,stm32-hwspinlock.yaml
dt-bindings: media: Update maintainers for st,stm32-cec.yaml
dt-bindings: mfd: timers: Update maintainers for st,stm32-timers
dt-bindings: timer: Update maintainers for st,stm32-timer
dt-bindings: i2c: imx: hardware do not restrict clock-frequency to only 100 and 400 kHz
dt-bindings: display: bridge: Convert toshiba,tc358767.txt to yaml
dt-bindings: Rename Ingenic CGU headers to ingenic,*.h
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Commit 25b892b583cc ("ARM: dts: arm: Update register-bit-led nodes
'reg' and node names") added a 'reg' property to nodes. This change has
the side effect of changing how the kernel generates the device name.
The assumption was a translatable 'reg' address is unique. However, in
the case of the register-bit-led binding (and a few others) that is not
the case. The 'mask' property must also be used in this case to make a
unique device name.
Fixes: 25b892b583cc ("ARM: dts: arm: Update register-bit-led nodes 'reg' and node names")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211109164650.2233507-2-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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Since 041284181226 ("of/irq: Allow matching of an interrupt-map local
to an interrupt controller"), the irq code favors using an interrupt-map
over a interrupt-controller property if both are available, while the
earlier behaviour was to ignore the interrupt-map altogether.
However, we now end-up with the opposite behaviour, which is to
ignore the interrupt-controller property even if the interrupt-map
fails to match its input. This new behaviour breaks the AmigaOne
X1000 machine, which ships with an extremely "creative" (read:
broken) device tree.
Fix this by allowing the interrupt-controller property to be selected
when interrupt-map fails to match anything.
Fixes: 041284181226 ("of/irq: Allow matching of an interrupt-map local to an interrupt controller")
Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/78308692-02e6-9544-4035-3171a8e1e6d4@xenosoft.de
Link: https://lore.kernel.org/r/20211112143644.434995-1-maz@kernel.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Conserve IRQs by setting up portdrv IRQs only when there are users
(Jan Kiszka)
- Rework and simplify _OSC negotiation for control of PCIe features
(Joerg Roedel)
- Remove struct pci_dev.driver pointer since it's redundant with the
struct device.driver pointer (Uwe Kleine-König)
Resource management:
- Coalesce contiguous host bridge apertures from _CRS to accommodate
BARs that cover more than one aperture (Kai-Heng Feng)
Sysfs:
- Check CAP_SYS_ADMIN before parsing user input (Krzysztof
Wilczyński)
- Return -EINVAL consistently from "store" functions (Krzysztof
Wilczyński)
- Use sysfs_emit() in endpoint "show" functions to avoid buffer
overruns (Kunihiko Hayashi)
PCIe native device hotplug:
- Ignore Link Down/Up caused by resets during error recovery so
endpoint drivers can remain bound to the device (Lukas Wunner)
Virtualization:
- Avoid bus resets on Atheros QCA6174, where they hang the device
(Ingmar Klein)
- Work around Pericom PI7C9X2G switch packet drop erratum by using
store and forward mode instead of cut-through (Nathan Rossi)
- Avoid trying to enable AtomicOps on VFs; the PF setting applies to
all VFs (Selvin Xavier)
MSI:
- Document that /sys/bus/pci/devices/.../irq contains the legacy INTx
interrupt or the IRQ of the first MSI (not MSI-X) vector (Barry
Song)
VPD:
- Add pci_read_vpd_any() and pci_write_vpd_any() to access anywhere
in the possible VPD space; use these to simplify the cxgb3 driver
(Heiner Kallweit)
Peer-to-peer DMA:
- Add (not subtract) the bus offset when calculating DMA address
(Wang Lu)
ASPM:
- Re-enable LTR at Downstream Ports so they don't report Unsupported
Requests when reset or hot-added devices send LTR messages
(Mingchuang Qiao)
Apple PCIe controller driver:
- Add driver for Apple M1 PCIe controller (Alyssa Rosenzweig, Marc
Zyngier)
Cadence PCIe controller driver:
- Return success when probe succeeds instead of falling into error
path (Li Chen)
HiSilicon Kirin PCIe controller driver:
- Reorganize PHY logic and add support for external PHY drivers
(Mauro Carvalho Chehab)
- Support PERST# GPIOs for HiKey970 external PEX 8606 bridge (Mauro
Carvalho Chehab)
- Add Kirin 970 support (Mauro Carvalho Chehab)
- Make driver removable (Mauro Carvalho Chehab)
Intel VMD host bridge driver:
- If IOMMU supports interrupt remapping, leave VMD MSI-X remapping
enabled (Adrian Huang)
- Number each controller so we can tell them apart in
/proc/interrupts (Chunguang Xu)
- Avoid building on UML because VMD depends on x86 bare metal APIs
(Johannes Berg)
Marvell Aardvark PCIe controller driver:
- Define macros for PCI_EXP_DEVCTL_PAYLOAD_* (Pali Rohár)
- Set Max Payload Size to 512 bytes per Marvell spec (Pali Rohár)
- Downgrade PIO Response Status messages to debug level (Marek Behún)
- Preserve CRS SV (Config Request Retry Software Visibility) bit in
emulated Root Control register (Pali Rohár)
- Fix issue in configuring reference clock (Pali Rohár)
- Don't clear status bits for masked interrupts (Pali Rohár)
- Don't mask unused interrupts (Pali Rohár)
- Avoid code repetition in advk_pcie_rd_conf() (Marek Behún)
- Retry config accesses on CRS response (Pali Rohár)
- Simplify emulated Root Capabilities initialization (Pali Rohár)
- Fix several link training issues (Pali Rohár)
- Fix link-up checking via LTSSM (Pali Rohár)
- Fix reporting of Data Link Layer Link Active (Pali Rohár)
- Fix emulation of W1C bits (Marek Behún)
- Fix MSI domain .alloc() method to return zero on success (Marek
Behún)
- Read entire 16-bit MSI vector in MSI handler, not just low 8 bits
(Marek Behún)
- Clear Root Port I/O Space, Memory Space, and Bus Master Enable bits
at startup; PCI core will set those as necessary (Pali Rohár)
- When operating as a Root Port, set class code to "PCI Bridge"
instead of the default "Mass Storage Controller" (Pali Rohár)
- Add emulation for PCI_BRIDGE_CTL_BUS_RESET since aardvark doesn't
implement this per spec (Pali Rohár)
- Add emulation of option ROM BAR since aardvark doesn't implement
this per spec (Pali Rohár)
MediaTek MT7621 PCIe controller driver:
- Add MediaTek MT7621 PCIe host controller driver and DT binding
(Sergio Paracuellos)
Qualcomm PCIe controller driver:
- Add SC8180x compatible string (Bjorn Andersson)
- Add endpoint controller driver and DT binding (Manivannan
Sadhasivam)
- Restructure to use of_device_get_match_data() (Prasad Malisetty)
- Add SC7280-specific pcie_1_pipe_clk_src handling (Prasad Malisetty)
Renesas R-Car PCIe controller driver:
- Remove unnecessary includes (Geert Uytterhoeven)
Rockchip DesignWare PCIe controller driver:
- Add DT binding (Simon Xue)
Socionext UniPhier Pro5 controller driver:
- Serialize INTx masking/unmasking (Kunihiko Hayashi)
Synopsys DesignWare PCIe controller driver:
- Run dwc .host_init() method before registering MSI interrupt
handler so we can deal with pending interrupts left by bootloader
(Bjorn Andersson)
- Clean up Kconfig dependencies (Andy Shevchenko)
- Export symbols to allow more modular drivers (Luca Ceresoli)
TI DRA7xx PCIe controller driver:
- Allow host and endpoint drivers to be modules (Luca Ceresoli)
- Enable external clock if present (Luca Ceresoli)
TI J721E PCIe driver:
- Disable PHY when probe fails after initializing it (Christophe
JAILLET)
MicroSemi Switchtec management driver:
- Return error to application when command execution fails because an
out-of-band reset has cleared the device BARs, Memory Space Enable,
etc (Kelvin Cao)
- Fix MRPC error status handling issue (Kelvin Cao)
- Mask out other bits when reading of management VEP instance ID
(Kelvin Cao)
- Return EOPNOTSUPP instead of ENOTSUPP from sysfs show functions
(Kelvin Cao)
- Add check of event support (Logan Gunthorpe)
Miscellaneous:
- Remove unused pci_pool wrappers, which have been replaced by
dma_pool (Cai Huoqing)
- Use 'unsigned int' instead of bare 'unsigned' (Krzysztof
Wilczyński)
- Use kstrtobool() directly, sans strtobool() wrapper (Krzysztof
Wilczyński)
- Fix some sscanf(), sprintf() format mismatches (Krzysztof
Wilczyński)
- Update PCI subsystem information in MAINTAINERS (Krzysztof
Wilczyński)
- Correct some misspellings (Krzysztof Wilczyński)"
* tag 'pci-v5.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (137 commits)
PCI: Add ACS quirk for Pericom PI7C9X2G switches
PCI: apple: Configure RID to SID mapper on device addition
iommu/dart: Exclude MSI doorbell from PCIe device IOVA range
PCI: apple: Implement MSI support
PCI: apple: Add INTx and per-port interrupt support
PCI: kirin: Allow removing the driver
PCI: kirin: De-init the dwc driver
PCI: kirin: Disable clkreq during poweroff sequence
PCI: kirin: Move the power-off code to a common routine
PCI: kirin: Add power_off support for Kirin 960 PHY
PCI: kirin: Allow building it as a module
PCI: kirin: Add MODULE_* macros
PCI: kirin: Add Kirin 970 compatible
PCI: kirin: Support PERST# GPIOs for HiKey970 external PEX 8606 bridge
PCI: apple: Set up reference clocks when probing
PCI: apple: Add initial hardware bring-up
PCI: of: Allow matching of an interrupt-map local to a PCI device
of/irq: Allow matching of an interrupt-map local to an interrupt controller
irqdomain: Make of_phandle_args_to_fwspec() generally available
PCI: Do not enable AtomicOps on VFs
...
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of_irq_parse_raw() has a baked assumption that if a node has an
interrupt-controller property, it cannot possibly also have an
interrupt-map property (the latter being ignored).
This seems to be an odd behaviour, and there is no reason why we should
avoid supporting this use case. This is specially useful when a PCI root
port acts as an interrupt controller for PCI endpoints, such as this:
pcie0: pcie@690000000 {
[...]
port00: pci@0,0 {
device_type = "pci";
[...]
#address-cells = <3>;
interrupt-controller;
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 7>;
interrupt-map = <0 0 0 1 &port00 0 0 0 0>,
<0 0 0 2 &port00 0 0 0 1>,
<0 0 0 3 &port00 0 0 0 2>,
<0 0 0 4 &port00 0 0 0 3>;
};
};
Handle it by detecting that we have an interrupt-map early in the parsing,
and special case the situation where the phandle in the interrupt map
refers to the current node (which is the interesting case here).
Link: https://lore.kernel.org/r/20210929163847.2807812-3-maz@kernel.org
Tested-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring <robh@kernel.org>
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Merge misc updates from Andrew Morton:
"257 patches.
Subsystems affected by this patch series: scripts, ocfs2, vfs, and
mm (slab-generic, slab, slub, kconfig, dax, kasan, debug, pagecache,
gup, swap, memcg, pagemap, mprotect, mremap, iomap, tracing, vmalloc,
pagealloc, memory-failure, hugetlb, userfaultfd, vmscan, tools,
memblock, oom-kill, hugetlbfs, migration, thp, readahead, nommu, ksm,
vmstat, madvise, memory-hotplug, rmap, zsmalloc, highmem, zram,
cleanups, kfence, and damon)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (257 commits)
mm/damon: remove return value from before_terminate callback
mm/damon: fix a few spelling mistakes in comments and a pr_debug message
mm/damon: simplify stop mechanism
Docs/admin-guide/mm/pagemap: wordsmith page flags descriptions
Docs/admin-guide/mm/damon/start: simplify the content
Docs/admin-guide/mm/damon/start: fix a wrong link
Docs/admin-guide/mm/damon/start: fix wrong example commands
mm/damon/dbgfs: add adaptive_targets list check before enable monitor_on
mm/damon: remove unnecessary variable initialization
Documentation/admin-guide/mm/damon: add a document for DAMON_RECLAIM
mm/damon: introduce DAMON-based Reclamation (DAMON_RECLAIM)
selftests/damon: support watermarks
mm/damon/dbgfs: support watermarks
mm/damon/schemes: activate schemes based on a watermarks mechanism
tools/selftests/damon: update for regions prioritization of schemes
mm/damon/dbgfs: support prioritization weights
mm/damon/vaddr,paddr: support pageout prioritization
mm/damon/schemes: prioritize regions within the quotas
mm/damon/selftests: support schemes quotas
mm/damon/dbgfs: support quotas of schemes
...
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Since memblock_free() operates on a physical range, make its name
reflect it and rename it to memblock_phys_free(), so it will be a
logical counterpart to memblock_phys_alloc().
The callers are updated with the below semantic patch:
@@
expression addr;
expression size;
@@
- memblock_free(addr, size);
+ memblock_phys_free(addr, size);
Link: https://lkml.kernel.org/r/20210930185031.18648-6-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Juergen Gross <jgross@suse.com>
Cc: Shahab Vahedi <Shahab.Vahedi@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Not all files in the kernel should include mm.h. Migrating callers from
kmalloc to kvmalloc is easier if the kvmalloc functions are in slab.h.
[akpm@linux-foundation.org: move the new kvrealloc() also]
[akpm@linux-foundation.org: drivers/hwmon/occ/p9_sbe.c needs slab.h]
Link: https://lkml.kernel.org/r/20210622215757.3525604-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"These are all the driver updates for SoC specific drivers. There are a
couple of subsystems with individual maintainers picking up their
patches here:
- The reset controller subsystem add support for a few new SoC
variants to existing drivers, along with other minor improvements
- The OP-TEE subsystem gets a driver for the ARM FF-A transport
- The memory controller subsystem has improvements for Tegra,
Mediatek, Renesas, Freescale and Broadcom specific drivers.
- The tegra cpuidle driver changes get merged through this tree this
time. There are only minor changes, but they depend on other tegra
driver updates here.
- The ep93xx platform finally moves to using the drivers/clk/
subsystem, moving the code out of arch/arm in the process. This
depends on a small sound driver change that is included here as
well.
- There are some minor updates for Qualcomm and Tegra specific
firmware drivers.
The other driver updates are mainly for drivers/soc, which contains a
mixture of vendor specific drivers that don't really fit elsewhere:
- Mediatek drivers gain more support for MT8192, with new support for
hw-mutex and mmsys routing, plus support for reset lines in the
mmsys driver.
- Qualcomm gains a new "sleep stats" driver, and support for the
"Generic Packet Router" in the APR driver.
- There is a new user interface for routing the UARTS on ASpeed BMCs,
something that apparently nobody else has needed so far.
- More drivers can now be built as loadable modules, in particular
for Broadcom and Samsung platforms.
- Lots of improvements to the TI sysc driver for better
suspend/resume support"
Finally, there are lots of minor cleanups and new device IDs for
amlogic, renesas, tegra, qualcomm, mediateka, samsung, imx,
layerscape, allwinner, broadcom, and omap"
* tag 'drivers-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (179 commits)
optee: Fix spelling mistake "reclain" -> "reclaim"
Revert "firmware: qcom: scm: Add support for MC boot address API"
qcom: spm: allow compile-testing
firmware: arm_ffa: Remove unused 'compat_version' variable
soc: samsung: exynos-chipid: add exynosautov9 SoC support
firmware: qcom: scm: Don't break compile test on non-ARM platforms
soc: qcom: smp2p: Add of_node_put() before goto
soc: qcom: apr: Add of_node_put() before return
soc: qcom: qcom_stats: Fix client votes offset
soc: qcom: rpmhpd: fix sm8350_mxc's peer domain
dt-bindings: arm: cpus: Document qcom,msm8916-smp enable-method
ARM: qcom: Add qcom,msm8916-smp enable-method identical to MSM8226
firmware: qcom: scm: Add support for MC boot address API
soc: qcom: spm: Add 8916 SPM register data
dt-bindings: soc: qcom: spm: Document qcom,msm8916-saw2-v3.0-cpu
soc: qcom: socinfo: Add PM8150C and SMB2351 models
firmware: qcom_scm: Fix error retval in __qcom_scm_is_call_available()
soc: aspeed: Add UART routing support
soc: fsl: dpio: rename the enqueue descriptor variable
soc: fsl: dpio: use an explicit NULL instead of 0
...
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
More Qualcomm driver updates for v5.16
This introduces the Qualcomm "sleep stats" driver, which aids the
efforts of bringing various Qualcomm platforms into low power mode.
The SMP2P driver gains support for negotiating the "SSR" feature, which
is used to better synchronize some corner cases that might appear as the
remoteproc is recovering from a crash.
The socinfo driver learns about a few new PMICs.
SMEM is updated so that it's possible to put the compatible property
directly in the reserved-memory node, to avoid having to have a separate
node just pointing to the memory-region.
Lastly it fixes some bugs in smp2p, apr, rpmhpd drivers, notably
avoiding the issue where powering on a power-domain using rpmhpd while
keeping the performance_state at 0 is a nop
* tag 'qcom-drivers-for-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
firmware: qcom: scm: Don't break compile test on non-ARM platforms
soc: qcom: smp2p: Add of_node_put() before goto
soc: qcom: apr: Add of_node_put() before return
soc: qcom: qcom_stats: Fix client votes offset
soc: qcom: rpmhpd: fix sm8350_mxc's peer domain
dt-bindings: arm: cpus: Document qcom,msm8916-smp enable-method
ARM: qcom: Add qcom,msm8916-smp enable-method identical to MSM8226
firmware: qcom: scm: Add support for MC boot address API
soc: qcom: spm: Add 8916 SPM register data
dt-bindings: soc: qcom: spm: Document qcom,msm8916-saw2-v3.0-cpu
soc: qcom: socinfo: Add PM8150C and SMB2351 models
firmware: qcom_scm: Fix error retval in __qcom_scm_is_call_available()
soc: qcom: smp2p: add feature negotiation and ssr ack feature support
soc: qcom: Add Sleep stats driver
dt-bindings: Introduce QCOM Sleep stats bindings
soc: qcom: socinfo: add two missing PMIC IDs
soc: qcom: rpmhpd: Make power_on actually enable the domain
soc: qcom: smem: Support reserved-memory description
dt-bindings: soc: smem: Make indirection optional
dt-bindings: sram: Document qcom,rpm-msg-ram
Link: https://lore.kernel.org/r/20211026140706.1205989-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Practically all modern Qualcomm platforms has a single reserved-memory
region for SMEM. So rather than having to describe SMEM in the form of a
node with a reference to a reserved-memory node, allow the SMEM device
to be instantiated directly from the reserved-memory node.
The current means of falling back to dereferencing the "memory-region"
is kept as a fallback, if it's determined that the SMEM node is a
reserved-memory node.
The "qcom,smem" compatible is added to the reserved_mem_matches list, to
allow the reserved-memory device to be probed.
In order to retain the readability of the code, the resolution of
resources is split from the actual ioremapping.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Link: https://lore.kernel.org/r/20210930182111.57353-4-bjorn.andersson@linaro.org
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Convert /reserved-memory bindings to schemas
- Convert a bunch of NFC bindings to schemas
- Convert bindings to schema: Xilinx USB, Freescale DDR controller, Arm
CCI-400, UBlox Neo-6M, 1-Wire GPIO, MSI controller, ASpeed LPC, OMAP
and Inside-Secure HWRNG, register-bit-led, OV5640, Silead GSL1680,
Elan ekth3000, Marvell bluetooth, TI wlcore, TI bluetooth, ESP
ESP8089, tlm,trusted-foundations, Microchip cap11xx, Ralink SoCs and
boards, and TI sysc
- New binding schemas for: msi-ranges, Aspeed UART routing controller,
palmbus, Xylon LogiCVC display controller, Mediatek's MT7621 SDRAM
memory controller, and Apple M1 PCIe host
- Run schema checks for %.dtb targets
- Improve build time when using DT_SCHEMA_FILES
- Improve error message when dtschema is not found
- Various doc reference fixes in MAINTAINERS
- Convert architectures to common CPU h/w ID parsing function
of_get_cpu_hwid().
- Allow for empty NUMA node IDs which may be hotplugged
- Cleanup of __fdt_scan_reserved_mem()
- Constify device_node parameters
- Update dtc to upstream v1.6.1-19-g0a3a9d3449c8. Adds new checks
'node_name_vs_property_name' and 'interrupt_map'.
- Enable dtc 'unit_address_format' warning by default
- Fix unittest EXPECT text for gpio hog errors
* tag 'devicetree-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (97 commits)
dt-bindings: net: ti,bluetooth: Document default max-speed
dt-bindings: pci: rcar-pci-ep: Document r8a7795
dt-bindings: net: qcom,ipa: IPA does support up to two iommus
of/fdt: Remove of_scan_flat_dt() usage for __fdt_scan_reserved_mem()
of: unittest: document intentional interrupt-map provider build warning
of: unittest: fix EXPECT text for gpio hog errors
of/unittest: Disable new dtc node_name_vs_property_name and interrupt_map warnings
scripts/dtc: Update to upstream version v1.6.1-19-g0a3a9d3449c8
dt-bindings: arm: firmware: tlm,trusted-foundations: Convert txt bindings to yaml
dt-bindings: display: tilcd: Fix endpoint addressing in example
dt-bindings: input: microchip,cap11xx: Convert txt bindings to yaml
dt-bindings: ufs: exynos-ufs: add exynosautov9 compatible
dt-bindings: ufs: exynos-ufs: add io-coherency property
dt-bindings: mips: convert Ralink SoCs and boards to schema
dt-bindings: display: xilinx: Fix example with psgtr
dt-bindings: net: nfc: nxp,pn544: Convert txt bindings to yaml
dt-bindings: Add a help message when dtschema tools are missing
dt-bindings: bus: ti-sysc: Update to use yaml binding
dt-bindings: sram: Allow numbers in sram region node name
dt-bindings: display: Document the Xylon LogiCVC display controller
...
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Use of the of_scan_flat_dt() function predates libfdt and is discouraged
as libfdt provides a nicer set of APIs. Rework __fdt_scan_reserved_mem()
to be called directly and use libfdt.
Cc: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20211029183615.2721777-1-robh@kernel.org/
Signed-off-by: Rob Herring <robh@kernel.org>
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A recently implemented dtc compiler warning reports a dts problem
via a build warning:
drivers/of/unittest-data/tests-interrupts.dtsi:32.26-35.6: Warning (interrupt_map): /testcase-data/interrupts/intmap1: Missing '#address-cells' in interrupt-map provider
The warning will be addressed by a separate patch by suppressing the
warning for .dts files that include this .dtsi. This patch documents
why the warning is due to a deliberately incorrect .dtsi file so that
no one will fix the .dtsi file to prevent the build warning.
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Link: https://lore.kernel.org/r/20211030011039.2106946-1-frowand.list@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
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The console message text for gpio hog errors does not match
what unittest expects.
Fixes: f4056e705b2ef ("of: unittest: add overlay gpio test to catch gpio hog problem")
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Link: https://lore.kernel.org/r/20211029013225.2048695-1-frowand.list@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
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warnings
The unittest dtbs have various intentional errors which cause warnings.
With the latest dtc sync to v1.6.1-19-g0a3a9d3449c8, we need to disable
some new checks: node_name_vs_property_name and interrupt_map warnings.
These warnings are also generated for static_base_1.dtb, so add
DTC_FLAGS for it.
Note that the interrupt_map warnings only appear once interrupt_provider
warning is re-enabled globally.
drivers/of/unittest-data/tests-interrupts.dtsi:32.26-35.6: Warning (interrupt_map): /testcase-data/interrupts/intmap1: Missing '#address-cells' in interrupt-map provider
Fixes: c12632bfb611 ("scripts/dtc: Update to upstream version v1.6.1-19-g0a3a9d3449c8")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Tested-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20211028130423.4025578-1-robh@kernel.org/
Signed-off-by: Rob Herring <robh@kernel.org>
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Fix following coccicheck warning:
./drivers/of/unittest.c:3091:1-23: WARNING: Function
for_each_child_of_node should have of_node_put() before return
Early exits from for_each_child_of_node should decrement the
node reference counter.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20211015082658.19005-1-wanjiabing@vivo.com
Signed-off-by: Rob Herring <robh@kernel.org>
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of_node_is_initialized() and of_node_is_attached() don't modify the node
objects passed to them, so those parameters should be const.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Link: https://lore.kernel.org/r/20211014173023.2117799-1-nathanl@linux.ibm.com
Signed-off-by: Rob Herring <robh@kernel.org>
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There are various open coded implementions parsing the CPU node 'reg'
property which contains the CPU's hardware ID. Introduce a new function,
of_get_cpu_hwid(), to read the hardware ID.
All the callers should be DT only code, so no need for an empty
function.
Cc: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20211006164332.1981454-2-robh@kernel.org
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Merge fixes to avoid binding schema warnings.
Signed-off-by: Rob Herring <robh@kernel.org>
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When CONFIG_OF_KOBJ was introduced in commit b56b5528f5b3 ("of: make
kobject and bin_attribute support configurable") and #ifdef-ed
versions of these declarations got added, the originals didn't get
removed.
Fixes: b56b5528f5b3 ("of: make kobject and bin_attribute support configurable")
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20211006061943.8472-1-zev@bewilderbeest.net
Signed-off-by: Rob Herring <robh@kernel.org>
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There is no device node for the empty NUMA node. However, the
corresponding NUMA node ID and distance map is still valid in
"numa-distance-map-v1" compatible device node.
This fetches the NUMA node ID and distance map for these empty
NUMA node from "numa-distance-map-v1" compatible device node.
Signed-off-by: Gavin Shan <gshan@redhat.com>
Link: https://lore.kernel.org/r/20210927064119.127285-3-gshan@redhat.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Pull ARM updates from Russell King:
- Rejig task/thread info to place thread info in task struct
- Amba bus cleanups (removing unused functions)
- Handle Amba device probe without IRQ domains
- Parse linux,usable-memory-range in decompressor
- Mark OCRAM as read-only after initialisation
- Refactor page fault handling
- Fix PXN handling with LPAE kernels
- Warning and build fixes from Arnd
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (32 commits)
ARM: 9151/1: Thumb2: avoid __builtin_thread_pointer() on Clang
ARM: 9150/1: Fix PID_IN_CONTEXTIDR regression when THREAD_INFO_IN_TASK=y
ARM: 9147/1: add printf format attribute to early_print()
ARM: 9146/1: RiscPC needs older gcc version
ARM: 9145/1: patch: fix BE32 compilation
ARM: 9144/1: forbid ftrace with clang and thumb2_kernel
ARM: 9143/1: add CONFIG_PHYS_OFFSET default values
ARM: 9142/1: kasan: work around LPAE build warning
ARM: 9140/1: allow compile-testing without machine record
ARM: 9137/1: disallow CONFIG_THUMB with ARMv4
ARM: 9136/1: ARMv7-M uses BE-8, not BE-32
ARM: 9135/1: kprobes: address gcc -Wempty-body warning
ARM: 9101/1: sa1100/assabet: convert LEDs to gpiod APIs
ARM: 9131/1: mm: Fix PXN process with LPAE feature
ARM: 9130/1: mm: Provide die_kernel_fault() helper
ARM: 9126/1: mm: Kill page table base print in show_pte()
ARM: 9127/1: mm: Cleanup access_error()
ARM: 9129/1: mm: Kill task_struct argument for __do_page_fault()
ARM: 9128/1: mm: Refactor the __do_page_fault()
ARM: imx6: mark OCRAM mapping read-only
...
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of_amba_device_create() uses irq_of_parse_and_map() to translate
a DT interrupt specification into a Linux virtual interrupt number.
But it doesn't properly handle the case where the interrupt controller
is not yet available, eg, when pl011 interrupt is connected to MBIGEN
interrupt controller, because the mbigen initialization is too late,
which will lead to no IRQ due to no IRQ domain found, log is shown below,
"irq: no irq domain found for uart0 !"
use of_irq_get() to return -EPROBE_DEFER as above, and in the function
amba_device_try_add()/amba_device_add(), it will properly handle in such
case, also return 0 in other fail cases to be consistent as before.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Reported-by: Ruizhe Lin <linruizhe@huawei.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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