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There is an alignment mismatch issue between the of_reserved_mem and
the CMA setup requirement. The of_reserved_mem will try to get the
alignment value from the DTS and pass it to __memblock_alloc_base to
do the memory block base allocation, but the alignment value specified
in the DTS may not satisfy the CAM setup requirement since CMA setup
required the alignment as the following in the code:
align = PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order);
The sanity check in the function of rmem_cma_setup will fail if the
alignment does not setup correctly and thus CMA will fail to setup.
This patch is to fixup the alignment to meet the CMA setup required.
Mailing-list-thread: https://lkml.org/lkml/2015/11/9/138
Signed-off-by: Jason Liu <[email protected]>
Acked-by: Marek Szyprowski <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: [email protected]
Signed-off-by: Rob Herring <[email protected]>
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__rmem_check_for_overlap() is called very early in boot, and on some
powerpc systems it's not safe to call WARN that early in boot.
If the overlap check fails the system will oops instead of printing a
warning. Furthermore because it's so early in boot the console is not up
and the user doesn't see the oops, they just get a dead system.
Fix it by printing an error instead of calling WARN.
Fixes: ae1add247bf8 ("of: Check for overlap in reserved memory regions")
Signed-off-by: Michael Ellerman <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Signed-off-by: Raphaël Poggi <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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After the recent moving of DT binding documents, some maintainers entries
are stale. Update them to the new locations.
In bindings/fb/, there were only 2 files and I'm assuming the FB
maintainers don't want to be copied on all of bindings/display/. So I've
dropped them.
Reported-by: Thierry Reding <[email protected]>
Cc: Thierry Reding <[email protected]>
Cc: Jianwei Wang <[email protected]>
Cc: Alison Wang <[email protected]>
Cc: Philipp Zabel <[email protected]>
Cc: Mark Yao <[email protected]>
Cc: Benjamin Gaignard <[email protected]>
Cc: Vincent Abriou <[email protected]>
Cc: Jean-Christophe Plagniol-Villard <[email protected]>
Cc: Tomi Valkeinen <[email protected]>
Cc: James Hogan <[email protected]>
Cc: Hans de Goede <[email protected]>
Cc: Vineet Gupta <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Add the "sigma" vendor prefix for Sigma Designs, Inc.
Signed-off-by: Mans Rullgard <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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This commit does not change the function behavior.
Signed-off-by: Masahiro Yamada <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Addresses should not be prefixed contain '0x' in nodes.
Signed-off-by: Moritz Fischer <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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This patch marks all the reference to the legacy wakeup bindings
and replaces them with the standard "wakeup-source" property.
All these legacy property are also listed under a separate section in
the generic wakeup-source binding document.
Cc: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Signed-off-by: Sudeep Holla <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Currently different drivers use multiple forms of annotating devices
that should be set up as wakeup sources for the system.
This patch adds a separate binding document inorder to standardize and
consolidate to use "wakeup-source" boolean property to mark the devices
as wakeup capable.
Cc: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Signed-off-by: Sudeep Holla <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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no need to initialise static variable with 0, hence correcting it.
Signed-off-by: Saurabh Sengar <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
This builds all dts files in the tree, not just targets listed.
Signed-off-by: Rob Herring <[email protected]>
Cc: Chris Zankel <[email protected]>
Cc: Max Filippov <[email protected]>
Cc: [email protected]
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Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
This builds all dts files in the tree, not just targets listed.
Signed-off-by: Rob Herring <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: [email protected]
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Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
This builds all dts files in the tree, not just targets listed.
Signed-off-by: Rob Herring <[email protected]>
Cc: James Hogan <[email protected]>
Cc: [email protected]
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Use dtb-y and always make variables to build dtbs instead of explicit
dtbs rule. This is in preparation to support building all dtbs.
Signed-off-by: Rob Herring <[email protected]>
Cc: James Hogan <[email protected]>
Cc: [email protected]
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Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
This builds all dts files in the tree, not just targets listed.
Signed-off-by: Rob Herring <[email protected]>
Cc: Yoshinori Sato <[email protected]>
Cc: [email protected]
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Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
This builds all dts files in the tree, not just targets listed. This
is simpler for arm64 which has a bunch of sub-dirs.
Signed-off-by: Rob Herring <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
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Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
This builds all dts files in the tree, not just targets listed. This
is simpler for arm64 which has a bunch of sub-dirs.
Signed-off-by: Rob Herring <[email protected]>
Cc: Russell King <[email protected]>
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Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
This builds all dts files in the tree, not just targets listed.
Signed-off-by: Rob Herring <[email protected]>
Acked-by: Vineet Gupta <[email protected]>
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Use dtb-y and always make variables to build dtbs instead of explicit
dtbs rule. This is in preparation to support building all dtbs.
Signed-off-by: Rob Herring <[email protected]>
Acked-by: Vineet Gupta <[email protected]>
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Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
In order to only build dtbs, this option can be used by creating an
allno.config file containing:
CONFIG_COMPILE_TEST=y
CONFIG_OF=y
CONFIG_OF_ALL_DTBS=y
And then running:
make KCONFIG_ALLCONFIG=1 allnoconfig
make dtbs
While building the dtbs themselves don't need a cross compiler, the
scripts dependency does need one. This can be hacked around by
commenting out "subdir-y += mod" in scripts/Makefile.
Signed-off-by: Rob Herring <[email protected]>
Cc: Frank Rowand <[email protected]>
Cc: Grant Likely <[email protected]>
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fdt_translate_address() returns OF_BAD_ADDR on error. It is defined as
a u64 value, so the variable "addr" should be defined as u64 as well.
Fixes: fb11ffe74c79 ("of/fdt: add FDT serial scanning for earlycon")
Signed-off-by: Masahiro Yamada <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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for_each_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
expression root,e;
local idexpression child;
@@
for_each_child_of_node(root, child) {
... when != of_node_put(child)
when != e = child
(
return child;
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+ of_node_put(child);
? return ...;
)
...
}
// </smpl>
Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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for_each_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
local idexpression n;
expression root,e;
@@
for_each_child_of_node(root,n) {
...
(
of_node_put(n);
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e = n
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+ of_node_put(n);
? break;
)
...
}
... when != n
// </smpl>
Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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for_each_matching_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
local idexpression n;
expression e;
identifier l;
@@
for_each_matching_node(n,...) {
...
(
of_node_put(n);
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e = n
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+ of_node_put(n);
? goto l;
)
...
}
...
l: ... when != n
// </smpl>
Besides the issue found by the semantic patch, this code also stores the
device_node value in a list, which requires an of_node_get, and then cleans
up the list on exit from the function, which requires an of_node_put.
Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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for_each_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
expression root,e;
local idexpression child;
@@
for_each_child_of_node(root, child) {
... when != of_node_put(child)
when != e = child
(
return child;
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+ of_node_put(child);
? return ...;
)
...
}
// </smpl>
Combine the puts into code at the end of the function, for conciseness.
Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Add CompuLab Ltd. to the list of device tree vendor prefixes.
CompuLab manufacturers ARM-based computer-on-module, system-on-module
products, and miniature fanless-PCs.
Acked-by: Igor Grinberg <[email protected]>
Signed-off-by: Uri Mashiach <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Signed-off-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Update broken links to PCI bus and interrupt mapping bindings.
Signed-off-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Move various interrupt controller bindings into the
interrupt-controller/ directory.
Signed-off-by: Rob Herring <[email protected]>
Cc: Matthias Brugger <[email protected]>
Cc: [email protected]
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The ina209 binding only differs from other ina2xx bindings in the
compatible string, so add it to the common binding and remove the ina209
binding file.
Signed-off-by: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
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Move the Calxeda memory controller and PHY bindings to appropriate
subsystem directories.
Signed-off-by: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
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Move USB PHY bindings under usb directory to phy directory which already
contains other USB PHY bindings.
The Samsung USB PHY binding is obsolete and can be removed.
Signed-off-by: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
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Move various bindings in misc to appropriate subsystem directories.
Signed-off-by: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
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We have RNG bindings in hwrng/ and rng/. Consolidate them all under rng/.
Signed-off-by: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
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Create a top level eeprom binding directory and move several scattered
binding files there.
Signed-off-by: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
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Backlights are generally a subtype of LEDs at least from a software
point of view if not always electrically. Move the bindings from the
video directory to underneath the leds dir.
Signed-off-by: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
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This is a quite large renaming to consolidate display related bindings
into a single "display" directory from various scattered locations of
video, drm, gpu, fb, mipi, and panel. The prior location was somewhat
based on the Linux driver location, but bindings should be independent
of that.
Signed-off-by: Rob Herring <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
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Add documentation for the PXA LCD controller devicetree binding.
Signed-off-by: Robert Jarzmik <[email protected]>
Reviewed-by: Philipp Zabel <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Since OF is now a userselectable config symbol, having OF=y but OF_IRQ=n
is a valid combination for non-OF platforms, and OF=y does not guarantee
anymore that OF_IRQ is enabled (or we are building for SPARC).
Fixes the following build error with OF=y, IRQ_DOMAIN=n and SPI=y:
drivers/built-in.o: In function `spi_register_master':
(.text+0xc3ae): undefined reference to `irq_of_parse_and_map'
Makefile:935: recipe for target 'vmlinux' failed
make: *** [vmlinux] Error 1
Signed-off-by: Jonas Gorski <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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of_irq_find_parent has no users outside of of_irq.c, so it does not make
sense to expose it in of_irq.h. Therefore remove the prototype and dummy
implmeentation and make the function static instead.
Signed-off-by: Jonas Gorski <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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of_msi_configure is part of of_irq.c, which is compiled in when OF_IRQ
is enabled, not just OF.
Also It is unconditionally called from of_platform_device_create_pdata,
which does not depend on OF_IRQ, just OF_ADDRESS, so we need a dummy
implementation in case of OF_ADDRESS=y but OF_IRQ=n.
Fixes: c706c239 ("of/platform: Assign MSI domain to platform device")
Signed-off-by: Jonas Gorski <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Many boards use an alias in the stdout-path specification along
with console options after a colon (e.g. serial0:115200n8). When
using earlycon, this specification currently does not work. While
fdt_path_offset supports alias resolution, it does not remove the
console options by itself. Use the fdt_path_offset_namelen variant
and provide the length of the alias to enable aliases with console
options in the stdout-path.
Signed-off-by: Stefan Agner <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Remove "mrvl,lpss-ssp" property from documentation because LPSS SSP type is
for certain Intel platforms. I believe commit a6e56c28a178
("ARM: pxa: ssp: add DT bindings") added it by accident by copying all
enum pxa_ssp_type types from include/linux/pxa2xx_ssp.h.
Please note this was removed from arch/arm/plat-pxa/ssp.c by the
commit b692cb83b14d ("ARM: pxa: ssp: Fix build error by removing originally
incorrect DT binding").
Signed-off-by: Jarkko Nikula <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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Fix typos in the st,stih4xx binding, in particular replacing
"pinctrl-name" by "pinctrl-names".
Fix minor typos in the descriptions too.
Signed-off-by: Michael Opdenacker <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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This patch allows PCI host controller to function even if part of resources
is unusable for some reason. An example is non-LPAE kernel on a machine
which has some 64-bit resources. Unusable resources will be just skipped
instead of a complete failure.
Signed-off-by: Pavel Fedin <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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If non-LPAE kernel is booted up on a machine with 64-bit PCI resources,
PCI controller probe fails with:
PCI host bridge /pcie@10000000 ranges:
IO 0x3eff0000..0x3effffff -> 0x00000000
MEM 0x10000000..0x3efeffff -> 0x10000000
MEM 0x8000000000..0xffffffffff -> 0x8000000000
pci-host-generic 3f000000.pcie: resource collision: [mem 0x00000000-0xffffffff] conflicts with /pl011@9000000 [mem 0x09000000-0x09000fff]
pci-host-generic: probe of 3f000000.pcie failed with error -16
This happens because res->start assignment in of_pci_range_to_resource()
truncates the upper part of the address, because res->start is of
phys_addr_t type, which is 32-bit on non-LPAE kernels.
This patch adds explicit recognition of 64-bit resources, preventing from
potential problems when e. g. 0x8000001234 would be converted to
0x00001234.
Signed-off-by: Pavel Fedin <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Two bugfixes from Andy addressing at least some of the subtle NMI
related wreckage which has been reported by Sasha Levin"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi/64: Fix a paravirt stack-clobbering bug in the NMI code
x86/paravirt: Replace the paravirt nop with a bona fide empty function
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