Граф коммитов

1136970 Коммитов

Автор SHA1 Сообщение Дата
Lukas Bulwahn 085679b15b mtd: parsers: refer to ARCH_BCMBCA instead of ARCH_BCM4908
Commit dd5c672d7c ("arm64: bcmbca: Merge ARCH_BCM4908 to ARCH_BCMBCA")
removes config ARCH_BCM4908 as config ARCH_BCMBCA has the same intent.

Probably due to concurrent development, commit 002181f5b1 ("mtd: parsers:
add Broadcom's U-Boot parser") introduces 'Broadcom's U-Boot partition
parser' that depends on ARCH_BCM4908, but this use was not visible during
the config refactoring from the commit above. Hence, these two changes
create a reference to a non-existing config symbol.

Adjust the MTD_BRCM_U_BOOT definition to refer to ARCH_BCMBCA instead of
ARCH_BCM4908 to remove the reference to the non-existing config symbol
ARCH_BCM4908.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221116124932.4748-1-lukas.bulwahn@gmail.com
2022-11-17 22:02:44 +01:00
Rob Herring 2f05bff26c dt-bindings: mtd: fixed-partitions: Fix 'sercomm,scpart-id' schema
The schema for 'sercomm,scpart-id' is broken. The 'if' condition is
never true because 'compatible' is in the parent node, not the child
node the sub-schema applies to. The example passes as there are no
constraints on additional/unevaluated properties. That's a secondary
issue which is complicated due to nested partitions.

Drop the if/then schema and the unnecessary 'allOf' so that the
'sercomm,scpart-id' property is at least defined.

Cc: Mikhail Zhilkin <csharper2005@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221111212824.4103514-1-robh@kernel.org
2022-11-17 22:02:09 +01:00
Miquel Raynal 74f4d7974d dt-bindings: mtd: Standardize the style in the examples
As recently requested by the binding maintaines, let's use 4 spaces in
the examples.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-18-miquel.raynal@bootlin.com
2022-11-17 21:59:33 +01:00
Miquel Raynal d963af0b23 dt-bindings: mtd: Drop object types when referencing other files
Setting an object type is redundant when a reference is made, so drop
these useless lines.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-17-miquel.raynal@bootlin.com
2022-11-17 21:59:31 +01:00
Miquel Raynal d85cebfbc6 dt-bindings: mtd: Argue in favor of keeping additionalProperties set to true
In most cases we try to avoid it but in some cases this is
needed. Clarify why by adding a small comment.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-16-miquel.raynal@bootlin.com
2022-11-17 21:59:30 +01:00
Miquel Raynal f4b37577a4 dt-bindings: mtd: nvmem-cells: Inherit from MTD partitions
The aim of MTD nvmem-cells is to treat MTD partitions as NVMEM
providers. Hence, MTD partition properties are valid here. Let's
reference mtd/partition.yaml which gives us a chance to drop
"additionalProperties: true" in favor of "unevaluatedProperties:
false".

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-15-miquel.raynal@bootlin.com
2022-11-17 21:59:28 +01:00
Miquel Raynal c0fc45f7d3 dt-bindings: mtd: nvmem-cells: Drop range property from example
Memory mapped devices such as parallel NOR flash could make use of the
'ranges' property to translate a nvmem 'reg' cell address to a CPU
address but in practice there is no upstream user nor any declaration of
this property being valid in this case yet, leading to a warning when
constraining a bit more the schema:

	.../mtd/partitions/nvmem-cells.example.dtb: calibration@f00000:
	Unevaluated properties are not allowed ('ranges' was unexpected)

So let's drop the property from the example, knowing that someone might
actually properly define it some day.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-14-miquel.raynal@bootlin.com
2022-11-17 21:59:26 +01:00
Miquel Raynal e141ee8234 dt-bindings: mtd: partitions: Change qcom,smem-part partition type
As described in dd638202df ("dt-bindings: mtd: partitions: add additional
example for qcom,smem-part"), the aim of documenting the subnodes was to be
able to declare nvmem cells. Hence, the partition property does not
really apply directly here, let's instead reference nvmem-cells.yaml
first.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-13-miquel.raynal@bootlin.com
2022-11-17 21:59:24 +01:00
Miquel Raynal 991088a637 dt-bindings: mtd: partitions: Constrain the list of parsers
Parser compatibles cannot be used anywhere, and the list is limited. In
order to constrain this list, enumerate them all under the top
"partitions" subnode. New parsers will have to add their own compatible
here as well.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-12-miquel.raynal@bootlin.com
2022-11-17 21:59:22 +01:00
Miquel Raynal 7bdc671822 dt-bindings: mtd: physmap: Reuse the generic definitions
The memory mapped MTD devices also share a lot with all the other MTD
devices, so let's share the properties by referencing mtd.yaml. We can
then drop mentioning the properties, to the cost of mentioning the
possible "sram" node name prefix.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-11-miquel.raynal@bootlin.com
2022-11-17 21:59:20 +01:00
Miquel Raynal e9a399caf0 dt-bindings: mtd: spi-nor: Drop common properties
When redefining common properties does not bring any additional
information, just drop them from the SPI-NOR bindings because these
properties already are definied in mtd.yaml.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-10-miquel.raynal@bootlin.com
2022-11-17 21:59:18 +01:00
Miquel Raynal c68fc5ed95 dt-bindings: mtd: sunxi-nand: Add an example to validate the bindings
Copy-paste an existing DT node to ensure the dt_binding_check target
would catch any unforeseen difference.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-9-miquel.raynal@bootlin.com
2022-11-17 21:59:16 +01:00
Miquel Raynal eb6fa33657 dt-bindings: mtd: onenand: Mention the expected node name
The chip node name in this driver is expected to be different and should
be prefixed with onenand instead of the regular "flash" string, so
mention it.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-8-miquel.raynal@bootlin.com
2022-11-17 21:59:15 +01:00
Miquel Raynal 73fc632065 dt-bindings: mtd: ingenic: Mark partitions in the controller node as deprecated
Defining partitions as subnodes of the controller has been deprecated
long time ago, but unlike having partitions within the controller node,
having an enveloppe named "partitions" (which is not itself within a
chip subnode) is not that common, so keep this deprecated definition in
this file.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-7-miquel.raynal@bootlin.com
2022-11-17 21:59:13 +01:00
Miquel Raynal 488f19adf0 dt-bindings: mtd: nand: Standardize the child node name
In almost all the schema mentioning a NAND chip child node, the name of
the subnode contains a single index number.

In practice there are currently no controller supporting more than 8 cs
so even the [a-f] numbers are not needed. But let's be safe and limit
the number of touched files by just allow a single number everywhere, so
in practice up to 16 CS at most. This value can anyway be limited in
each schema.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-6-miquel.raynal@bootlin.com
2022-11-17 21:59:11 +01:00
Miquel Raynal e598511b0b dt-bindings: mtd: nand: Drop common properties already defined in generic files
generic files, so let's drop these properties from the individual NAND
controller bindings when no additional information is provided rather
than the possible presence of the property.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-5-miquel.raynal@bootlin.com
2022-11-17 21:59:10 +01:00
Miquel Raynal 71a2026a66 dt-bindings: mtd: nand-chip: Reference mtd.yaml
A NAND chip is an MTD device. mtd.yaml already defines many useful and
relevant properties, let's reference this file here to get access to
these additional property definitions.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-4-miquel.raynal@bootlin.com
2022-11-17 21:59:08 +01:00
Miquel Raynal f902baa917 dt-bindings: mtd: Remove useless file about partitions
There is already a real partitions.yaml file, so assuming everybody
knows hot to read yaml schema now, this text file is no longer needed,
so drop it.

Depending on the situation, the lines referring to this file are either
dropped or edited to point to mtd.yaml which includes partition{,s}.yaml.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-3-miquel.raynal@bootlin.com
2022-11-17 21:59:06 +01:00
Miquel Raynal 5d96ea42eb dt-bindings: mtd: Clarify all partition subnodes
Over time the various ways to define MTD partitions has evolved. Most of
the controllers support several different bindings. Let's define all
possible choices in one file and mark the legacy ones deprecated. This
way, we can just reference this file and avoid dupplicating these
definitions.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-2-miquel.raynal@bootlin.com
2022-11-17 21:59:05 +01:00
Hui Tang 6bdd45d795 mtd: lpddr2_nvm: Fix possible null-ptr-deref
It will cause null-ptr-deref when resource_size(add_range) invoked,
if platform_get_resource() returns NULL.

Fixes: 96ba9dd657 ("mtd: lpddr: add driver for LPDDR2-NVM PCM memories")
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221114090240.244172-1-tanghui20@huawei.com
2022-11-17 21:59:03 +01:00
Rafał Miłecki 9b533a6e41 dt-bindings: mtd: partitions: allow SafeLoader dynamic subpartitions
TP-Link SafeLoader partitioning means flash contains multiple partitions
defined in the on-flash table. Some of those partitions may have a
special meaning and may require describing additionally. Allow that.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221108093102.8360-1-zajec5@gmail.com
2022-11-17 21:59:01 +01:00
Jilin Yuan 077dc37db1 mtd: inftlcore: fix repeated words in comments
Delete the redundant word 'it'.

Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221028134036.63000-1-yuanjilin@cdjrlc.com
2022-11-07 17:14:21 +01:00
Gaosheng Cui 1aadf01e50 mtd: core: fix possible resource leak in init_mtd()
I got the error report while inject fault in init_mtd():

sysfs: cannot create duplicate filename '/devices/virtual/bdi/mtd-0'
Call Trace:
 <TASK>
 dump_stack_lvl+0x67/0x83
 sysfs_warn_dup+0x60/0x70
 sysfs_create_dir_ns+0x109/0x120
 kobject_add_internal+0xce/0x2f0
 kobject_add+0x98/0x110
 device_add+0x179/0xc00
 device_create_groups_vargs+0xf4/0x100
 device_create+0x7b/0xb0
 bdi_register_va.part.13+0x58/0x2d0
 bdi_register+0x9b/0xb0
 init_mtd+0x62/0x171 [mtd]
 do_one_initcall+0x6c/0x3c0
 do_init_module+0x58/0x222
 load_module+0x268e/0x27d0
 __do_sys_finit_module+0xd5/0x140
 do_syscall_64+0x37/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
 </TASK>
kobject_add_internal failed for mtd-0 with -EEXIST, don't try to register
	things with the same name in the same directory.
Error registering mtd class or bdi: -17

If init_mtdchar() fails in init_mtd(), mtd_bdi will not be unregistered,
as a result, we can't load the mtd module again, to fix this by calling
bdi_unregister(mtd_bdi) after out_procfs label.

Fixes: 445caaa20c ("mtd: Allocate bdi objects dynamically")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221024065109.2050705-1-cuigaosheng1@huawei.com
2022-11-07 17:14:20 +01:00
Rafał Miłecki 26422ac78e mtd: core: set ROOT_DEV for partitions marked as rootfs in DT
This adds support for "linux,rootfs" binding that is used to mark flash
partition containing rootfs. It's useful for devices using device tree
that don't have bootloader passing root info in cmdline.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221022211318.32009-2-zajec5@gmail.com
2022-11-07 17:14:18 +01:00
Rafał Miłecki 2b9a31d762 dt-bindings: mtd: partitions: support marking rootfs partition
Linux needs to know what to use as root device. On embedded devices with
flash the only common way to specify that is cmdline & root= parameter.

That solution works with U-Boot which is Linux & cmdline aware but isn't
available with all market bootloaders. Also that method is fragile:
1. Requires specific probing order on multi-flash devices
2. Uses hardcoded partitions indexes

A lot of devices use different partitioning methods. It may be
"fixed-partitions" or some dynamic partitioning (e.g. based on parts
table). For such cases allow "linux,rootfs" property to mark correct
flash partition.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221022211318.32009-1-zajec5@gmail.com
2022-11-07 17:14:17 +01:00
Zhang Xiaoxu 895d68a394 mtd: Fix device name leak when register device failed in add_mtd_device()
There is a kmemleak when register device failed:
  unreferenced object 0xffff888101aab550 (size 8):
    comm "insmod", pid 3922, jiffies 4295277753 (age 925.408s)
    hex dump (first 8 bytes):
      6d 74 64 30 00 88 ff ff                          mtd0....
    backtrace:
      [<00000000bde26724>] __kmalloc_node_track_caller+0x4e/0x150
      [<000000003c32b416>] kvasprintf+0xb0/0x130
      [<000000001f7a8f15>] kobject_set_name_vargs+0x2f/0xb0
      [<000000006e781163>] dev_set_name+0xab/0xe0
      [<00000000e30d0c78>] add_mtd_device+0x4bb/0x700
      [<00000000f3d34de7>] mtd_device_parse_register+0x2ac/0x3f0
      [<00000000c0d88488>] 0xffffffffa0238457
      [<00000000b40d0922>] 0xffffffffa02a008f
      [<0000000023d17b9d>] do_one_initcall+0x87/0x2a0
      [<00000000770f6ca6>] do_init_module+0xdf/0x320
      [<000000007b6768fe>] load_module+0x2f98/0x3330
      [<00000000346bed5a>] __do_sys_finit_module+0x113/0x1b0
      [<00000000674c2290>] do_syscall_64+0x35/0x80
      [<000000004c6a8d97>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

If register device failed, should call put_device() to give up the
reference.

Fixes: 1f24b5a8ec ("[MTD] driver model updates")
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221022121352.2534682-1-zhangxiaoxu5@huawei.com
2022-11-07 17:14:16 +01:00
Arnd Bergmann a6c5f12b0d mtd: remove lart flash driver
The sa1100 lart platform was removed, so its flash driver is
no longer useful.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221021155000.4108406-7-arnd@kernel.org
2022-11-07 17:14:14 +01:00
Dan Carpenter 6c0a15a3dc mtd: parsers: tplink_safeloader: fix uninitialized variable bug
On 64 bit systems, the highest 32 bits of the "offset" variable are
not initialized.  Also the existing code is not endian safe (it will
fail on big endian systems).  Change the type of "offset" to a u32.

Fixes: aec4d5f5ffd0 ("mtd: parsers: add TP-Link SafeLoader partitions table parser")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/Y1gCALFWXYYwqV1P@kili
2022-11-07 17:11:33 +01:00
Rafał Miłecki 00a3588084 mtd: parsers: add TP-Link SafeLoader partitions table parser
This parser deals with most TP-Link home routers. It reads info about
partitions and registers them in the MTD subsystem.

Example from TP-Link Archer C5 V2:

spi-nor spi0.0: s25fl128s1 (16384 Kbytes)
15 tplink-safeloader partitions found on MTD device spi0.0
Creating 15 MTD partitions on "spi0.0":
0x000000000000-0x000000040000 : "fs-uboot"
0x000000040000-0x000000440000 : "os-image"
0x000000440000-0x000000e40000 : "rootfs"
0x000000e40000-0x000000e40200 : "default-mac"
0x000000e40200-0x000000e40400 : "pin"
0x000000e40400-0x000000e40600 : "product-info"
0x000000e50000-0x000000e60000 : "partition-table"
0x000000e60000-0x000000e60200 : "soft-version"
0x000000e61000-0x000000e70000 : "support-list"
0x000000e70000-0x000000e80000 : "profile"
0x000000e80000-0x000000e90000 : "default-config"
0x000000e90000-0x000000ee0000 : "user-config"
0x000000ee0000-0x000000fe0000 : "log"
0x000000fe0000-0x000000ff0000 : "radio_bk"
0x000000ff0000-0x000001000000 : "radio"

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221015092950.27467-2-zajec5@gmail.com
2022-11-07 17:08:00 +01:00
Rafał Miłecki 132c57b489 dt-bindings: mtd: partitions: add TP-Link SafeLoader layout
Most TP-Link home routers use the same partitioning system based on a
custom ASCII table.

It doesn't seem to have any official name. GPL sources contain tool
named simply "make_flash" and Makefile target "FlashMaker".

This partitions table format was first found in devices with a custom
SafeLoader bootloader so it was called SafeLoader by a community. Later
it was ported to other bootloaders but it seems the name sticked.

Add binding for describing flashes with SafeLoader partitions table. It
allows operating systems to parse it properly and register proper flash
layout.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221015092950.27467-1-zajec5@gmail.com
2022-11-07 17:08:00 +01:00
Ray Zhang 7cc84e0e07 mtd: mtdoops: panic caused mtdoops to call mtdoops_erase function immediately
The panic function disables the local interrupts, preemption, and all
other processors. When the invoked mtdoops needs to erase a used page,
calling schedule_work() to do it will not work. Instead, just call
mtdoops_erase function immediately.

Tested:
~# echo c > /proc/sysrq-trigger
[  171.654759] sysrq: Trigger a crash
[  171.658325] Kernel panic - not syncing: sysrq triggered crash
......
[  172.406423] mtdoops: not ready 34, 35 (erase immediately)
[  172.432285] mtdoops: ready 34, 35
[  172.435633] Rebooting in 10 seconds..

Signed-off-by: Ray Zhang <sgzhang@google.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221010045549.2221965-4-sgzhang@google.com
2022-11-07 17:08:00 +01:00
Ray Zhang 340193e079 mtd: mtdoops: add mtdoops_erase function and move mtdoops_inc_counter to after it
Preparing for next patch with minimal code difference, add mtdoops_erase
function and move mtdoops_inc_counter to after it, with no functional
change.

Signed-off-by: Ray Zhang <sgzhang@google.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221010045549.2221965-3-sgzhang@google.com
2022-11-07 17:07:59 +01:00
Ray Zhang 43cfba56d3 mtd: mtdoops: change printk() to counterpart pr_ functions
To comply with latest kernel code requirement, change printk() to
counterpart pr_ functions in mtdoops driver:
- change printk(INFO) to pr_info()
- change printk(DEBUG) to pr_debug()
- change printk(WARNING) to pr_warn()
- change printk(ERR) to pr_err()

Note that only if dynamic debugging is enabled or DEBUG is defined,
printk(KERN_DEBUG) and pr_debug() are equivalent; Otherwise pr_debug()
is no-op, causing different behavior.

Signed-off-by: Ray Zhang <sgzhang@google.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221010045549.2221965-2-sgzhang@google.com
2022-11-07 17:07:59 +01:00
Rafał Miłecki 2df11f0010 mtd: core: try to find OF node for every MTD partition
So far this feature was limited to the top-level "nvmem-cells" node.
There are multiple parsers creating partitions and subpartitions
dynamically. Extend that code to handle them too.

This allows finding partition-* node for every MTD (sub)partition.

Random example:

partitions {
	compatible = "brcm,bcm947xx-cfe-partitions";

	partition-firmware {
		compatible = "brcm,trx";

		partition-loader {
		};
	};
};

Cc: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221004083710.27704-2-zajec5@gmail.com
2022-11-07 17:07:56 +01:00
Rafał Miłecki c5f5d0cd40 mtd: core: simplify (a bit) code find partition-matching dynamic OF node
1. Don't hardcode "partition-" string twice
2. Use simpler logic & use ->name to avoid of_property_read_string()
3. Use mtd_get_of_node() helper

Cc: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221004083710.27704-1-zajec5@gmail.com
2022-11-07 17:06:30 +01:00
Linus Torvalds 30a0b95b13 Linux 6.1-rc3 2022-10-30 15:19:28 -07:00
Linus Torvalds b72018ab82 fbdev fixes for kernel 6.1-rc3:
A use-after-free bugfix in the smscufx driver and various minor
 error path fixes, smaller build fixes, sysfs fixes and
 typos in comments in the stifb, sisfb, da8xxfb, xilinxfb, sm501fb,
 gbefb and cyber2000fb drivers.
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Merge tag 'fbdev-for-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

Pull fbdev fixes from Helge Deller:
 "A use-after-free bugfix in the smscufx driver and various minor error
  path fixes, smaller build fixes, sysfs fixes and typos in comments in
  the stifb, sisfb, da8xxfb, xilinxfb, sm501fb, gbefb and cyber2000fb
  drivers"

* tag 'fbdev-for-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbdev: cyber2000fb: fix missing pci_disable_device()
  fbdev: sisfb: use explicitly signed char
  fbdev: smscufx: Fix several use-after-free bugs
  fbdev: xilinxfb: Make xilinxfb_release() return void
  fbdev: sisfb: fix repeated word in comment
  fbdev: gbefb: Convert sysfs snprintf to sysfs_emit
  fbdev: sm501fb: Convert sysfs snprintf to sysfs_emit
  fbdev: stifb: Fall back to cfb_fillrect() on 32-bit HCRX cards
  fbdev: da8xx-fb: Fix error handling in .remove()
  fbdev: MIPS supports iomem addresses
2022-10-30 11:31:14 -07:00
Linus Torvalds 9f127546bb Char/Misc fixes for 6.1-rc3
Here are some small driver fixes for 6.1-rc3.  They include:
 	- iio driver bugfixes
 	- counter driver bugfixes
 	- coresight bugfixes, including a revert and then a second
 	  fix to get it right.
 
 All of these have been in linux-next with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fixes from Greg KH:
 "Some small driver fixes for 6.1-rc3.  They include:

   - iio driver bugfixes

   - counter driver bugfixes

   - coresight bugfixes, including a revert and then a second fix to get
     it right.

  All of these have been in linux-next with no reported problems"

* tag 'char-misc-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
  misc: sgi-gru: use explicitly signed char
  coresight: cti: Fix hang in cti_disable_hw()
  Revert "coresight: cti: Fix hang in cti_disable_hw()"
  counter: 104-quad-8: Fix race getting function mode and direction
  counter: microchip-tcb-capture: Handle Signal1 read and Synapse
  coresight: cti: Fix hang in cti_disable_hw()
  coresight: Fix possible deadlock with lock dependency
  counter: ti-ecap-capture: fix IS_ERR() vs NULL check
  counter: Reduce DEFINE_COUNTER_ARRAY_POLARITY() to defining counter_array
  iio: bmc150-accel-core: Fix unsafe buffer attributes
  iio: adxl367: Fix unsafe buffer attributes
  iio: adxl372: Fix unsafe buffer attributes
  iio: at91-sama5d2_adc: Fix unsafe buffer attributes
  iio: temperature: ltc2983: allocate iio channels once
  tools: iio: iio_utils: fix digit calculation
  iio: adc: stm32-adc: fix channel sampling time init
  iio: adc: mcp3911: mask out device ID in debug prints
  iio: adc: mcp3911: use correct id bits
  iio: adc: mcp3911: return proper error code on failure to allocate trigger
  iio: adc: mcp3911: fix sizeof() vs ARRAY_SIZE() bug
  ...
2022-10-30 11:22:33 -07:00
Linus Torvalds c4d25ce6e9 USB fixes for 6.1-rc3
Here are a few small USB fixes for 6.1-rc3.  Include in here are:
 	- MAINTAINERS update, including a big one for the USB gadget
 	  subsystem.  Many thanks to Felipe for all of the years of hard
 	  work he has done on this codebase, it was greatly appreciated.
 	- dwc3 driver fixes for reported problems.
 	- xhci driver fixes for reported problems.
 	- typec driver fixes for minor issues
 	- uvc gadget driver change, and then revert as it wasn't
 	  relevant for 6.1-final, as it is a new feature and people are
 	  still reviewing and modifying it.
 
 All of these have been in the linux-next tree with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "A few small USB fixes for 6.1-rc3. Include in here are:

   - MAINTAINERS update, including a big one for the USB gadget
     subsystem. Many thanks to Felipe for all of the years of hard work
     he has done on this codebase, it was greatly appreciated.

   - dwc3 driver fixes for reported problems.

   - xhci driver fixes for reported problems.

   - typec driver fixes for minor issues

   - uvc gadget driver change, and then revert as it wasn't relevant for
     6.1-final, as it is a new feature and people are still reviewing
     and modifying it.

  All of these have been in the linux-next tree with no reported issues"

* tag 'usb-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: dwc3: gadget: Don't set IMI for no_interrupt
  usb: dwc3: gadget: Stop processing more requests on IMI
  Revert "usb: gadget: uvc: limit isoc_sg to super speed gadgets"
  xhci: Remove device endpoints from bandwidth list when freeing the device
  xhci-pci: Set runtime PM as default policy on all xHC 1.2 or later devices
  xhci: Add quirk to reset host back to default state at shutdown
  usb: xhci: add XHCI_SPURIOUS_SUCCESS to ASM1042 despite being a V0.96 controller
  usb: dwc3: st: Rely on child's compatible instead of name
  usb: gadget: uvc: limit isoc_sg to super speed gadgets
  usb: bdc: change state when port disconnected
  usb: typec: ucsi: acpi: Implement resume callback
  usb: typec: ucsi: Check the connection on resume
  usb: gadget: aspeed: Fix probe regression
  usb: gadget: uvc: fix sg handling during video encode
  usb: gadget: uvc: fix sg handling in error case
  usb: gadget: uvc: fix dropped frame after missed isoc
  usb: dwc3: gadget: Don't delay End Transfer on delayed_status
  usb: dwc3: Don't switch OTG -> peripheral if extcon is present
  MAINTAINERS: Update maintainers for broadcom USB
  MAINTAINERS: move USB gadget and phy entries under the main USB entry
2022-10-30 10:35:07 -07:00
Linus Torvalds ef3c0949b9 gpio: fixes for v6.1-rc3
- convert gpio-tegra to using an immutable irqchip
 - MAINTAINERS update
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Merge tag 'gpio-fixes-for-v6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - convert gpio-tegra to using an immutable irqchip

 - MAINTAINERS update

* tag 'gpio-fixes-for-v6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  MAINTAINERS: Change myself to a maintainer
  gpio: tegra: Convert to immutable irq chip
2022-10-30 10:21:42 -07:00
Linus Torvalds 434766058e - Rename a perf memory level event define to denote it is of CXL type
- Add Alder and Raptor Lakes support to RAPL
 
 - Make sure raw sample data is output with tracepoints
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Merge tag 'perf_urgent_for_v6.1_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Borislav Petkov:

 - Rename a perf memory level event define to denote it is of CXL type

 - Add Alder and Raptor Lakes support to RAPL

 - Make sure raw sample data is output with tracepoints

* tag 'perf_urgent_for_v6.1_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/mem: Rename PERF_MEM_LVLNUM_EXTN_MEM to PERF_MEM_LVLNUM_CXL
  perf/x86/rapl: Add support for Intel Raptor Lake
  perf/x86/rapl: Add support for Intel AlderLake-N
  perf: Fix missing raw data on tracepoint events
2022-10-30 09:49:18 -07:00
Linus Torvalds c96bb958fb LoongArch fixes for v6.1-rc3
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Merge tag 'loongarch-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch fixes from Huacai Chen:
 "Remove unused kernel stack padding, fix some build errors/warnings and
  two bugs in laptop platform driver"

* tag 'loongarch-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  platform/loongarch: laptop: Fix possible UAF and simplify generic_acpi_laptop_init()
  platform/loongarch: laptop: Adjust resume order for loongson_hotkey_resume()
  LoongArch: BPF: Avoid declare variables in switch-case
  LoongArch: Use flexible-array member instead of zero-length array
  LoongArch: Remove unused kernel stack padding
2022-10-30 09:44:06 -07:00
Linus Torvalds 28b7bd4ad2 3 cifs/smb3 fixes (also for stable)
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Merge tag '6.1-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:

 - use after free fix for reconnect race

 - two memory leak fixes

* tag '6.1-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: fix use-after-free caused by invalid pointer `hostname`
  cifs: Fix pages leak when writedata alloc failed in cifs_write_from_iter()
  cifs: Fix pages array leak when writedata alloc failed in cifs_writedata_alloc()
2022-10-30 09:40:04 -07:00
Linus Torvalds 882ad2a2a8 Random number generator fixes for Linux 6.1-rc3.
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Merge tag 'random-6.1-rc3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull random number generator fix from Jason Donenfeld:
 "One fix from Jean-Philippe Brucker, addressing a regression in which
  early boot code on ARM64 would use the non-_early variant of the
  arch_get_random family of functions, resulting in the architectural
  random number generator appearing unavailable during that early phase
  of boot.

  The fix simply changes arch_get_random*() to arch_get_random*_early().

  This distinction between these two functions is a bit of an old wart
  I'm not a fan of, and for 6.2 I'll see if I can make obsolete the
  _early variant, so that one function does the right thing in all
  contexts without overhead"

* tag 'random-6.1-rc3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
  random: use arch_get_random*_early() in random_init()
2022-10-29 18:33:03 -07:00
Linus Torvalds 83633ed70c SCSI fixes on 20221028
21 small  fixes, all  in drivers.   Some of  these arrived  during the
 merge window  and got  held over to  make sure of  testing on  the -rc
 tree.  The biggest  change is for Standards conformance  in the target
 driver, closely followed by a set of bug fixes in megaraid_sas.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Varions small  fixes, all  in drivers.

  Some of these arrived during the merge window and got held over to
  make sure of testing on the -rc tree.

  The biggest change is for standards conformance in the target driver,
  closely followed by a set of bug fixes in megaraid_sas"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (21 commits)
  scsi: ufs: core: Fix typo in comment
  scsi: mpi3mr: Select CONFIG_SCSI_SAS_ATTRS
  scsi: ufs: core: Fix typo for register name in comments
  scsi: pm80xx: Display proc_name in sysfs
  scsi: ufs: core: Fix the error log in ufshcd_query_flag_retry()
  scsi: ufs: core: Remove unneeded casts from void *
  scsi: lpfc: Fix spelling mistake "unsolicted" -> "unsolicited"
  scsi: qla2xxx: Use transport-defined speed mask for supported_speeds
  scsi: target: iblock: Fold iblock_emulate_read_cap_with_block_size() into iblock_get_blocks()
  scsi: qla2xxx: Fix serialization of DCBX TLV data request
  scsi: ufs: qcom: Remove redundant dev_err() call
  scsi: megaraid_sas: Move megasas_dbg_lvl init to megasas_init()
  scsi: megaraid_sas: Remove unnecessary memset()
  scsi: megaraid_sas: Simplify megasas_update_device_list
  scsi: megaraid_sas: Correct an error message
  scsi: megaraid_sas: Correct value passed to scsi_device_lookup()
  scsi: target: core: UA on all LUNs after reset
  scsi: target: core: New key must be used for moved PR
  scsi: target: core: Abort all preempted regs if requested
  scsi: target: core: Fix memory leak in preempt_and_abort
  ...
2022-10-29 18:12:45 -07:00
Linus Torvalds c6e0e874a8 block-6.1-2022-10-28
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Merge tag 'block-6.1-2022-10-28' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Christoph:
      - make the multipath dma alignment match the non-multipath one
        (Keith Busch)
      - fix a bogus use of sg_init_marker() (Nam Cao)
      - fix circulr locking in nvme-tcp (Sagi Grimberg)

 - Initialization fix for requests allocated via the special hw queue
   allocator (John)

 - Fix for a regression added in this release with the batched
   completions of end_io backed requests (Ming)

 - Error handling leak fix for rbd (Yang)

 - Error handling leak fix for add_disk() failure (Yu)

* tag 'block-6.1-2022-10-28' of git://git.kernel.dk/linux:
  blk-mq: Properly init requests from blk_mq_alloc_request_hctx()
  blk-mq: don't add non-pt request with ->end_io to batch
  rbd: fix possible memory leak in rbd_sysfs_init()
  nvme-multipath: set queue dma alignment to 3
  nvme-tcp: fix possible circular locking when deleting a controller under memory pressure
  nvme-tcp: replace sg_init_marker() with sg_init_table()
  block: fix memory leak for elevator on add_disk failure
2022-10-29 18:06:52 -07:00
Linus Torvalds 4d244327dd io_uring-6.1-2022-10-28
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Merge tag 'io_uring-6.1-2022-10-28' of git://git.kernel.dk/linux

Pull io_uring fix from Jens Axboe:
 "Just a fix for a locking regression introduced with the deferred
  task_work running from this merge window"

* tag 'io_uring-6.1-2022-10-28' of git://git.kernel.dk/linux:
  io_uring: unlock if __io_run_local_work locked inside
  io_uring: use io_run_local_work_locked helper
2022-10-29 18:01:16 -07:00
Linus Torvalds 3c339dbd13 23 hotfixes.
Eight fix pre-6.0 bugs and the remainder address issues which were
 introduced in the 6.1-rc merge cycle, or address issues which aren't
 considered sufficiently serious to warrant a -stable backport.
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Merge tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc hotfixes from Andrew Morton:
 "Eight fix pre-6.0 bugs and the remainder address issues which were
  introduced in the 6.1-rc merge cycle, or address issues which aren't
  considered sufficiently serious to warrant a -stable backport"

* tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (23 commits)
  mm: multi-gen LRU: move lru_gen_add_mm() out of IRQ-off region
  lib: maple_tree: remove unneeded initialization in mtree_range_walk()
  mmap: fix remap_file_pages() regression
  mm/shmem: ensure proper fallback if page faults
  mm/userfaultfd: replace kmap/kmap_atomic() with kmap_local_page()
  x86: fortify: kmsan: fix KMSAN fortify builds
  x86: asm: make sure __put_user_size() evaluates pointer once
  Kconfig.debug: disable CONFIG_FRAME_WARN for KMSAN by default
  x86/purgatory: disable KMSAN instrumentation
  mm: kmsan: export kmsan_copy_page_meta()
  mm: migrate: fix return value if all subpages of THPs are migrated successfully
  mm/uffd: fix vma check on userfault for wp
  mm: prep_compound_tail() clear page->private
  mm,madvise,hugetlb: fix unexpected data loss with MADV_DONTNEED on hugetlbfs
  mm/page_isolation: fix clang deadcode warning
  fs/ext4/super.c: remove unused `deprecated_msg'
  ipc/msg.c: fix percpu_counter use after free
  memory tier, sysfs: rename attribute "nodes" to "nodelist"
  MAINTAINERS: git://github.com -> https://github.com for nilfs2
  mm/kmemleak: prevent soft lockup in kmemleak_scan()'s object iteration loops
  ...
2022-10-29 17:49:33 -07:00
Linus Torvalds 91562cf993 powerpc fixes for 6.1 #3
- Fix a case of rescheduling with user access unlocked, when preempt is enabled.
 
  - A follow-up fix for a recent fix, which could lead to IRQ state assertions firing
    incorrectly.
 
  - Two fixes for lockdep warnings seen when using kfence with the Hash MMU.
 
  - Two fixes for preempt warnings seen when using the Hash MMU.
 
  - Two fixes for the VAS coprocessor mechanism used on pseries.
 
  - Prevent building some of our older KVM backends when CONTEXT_TRACKING_USER is enabled,
    as it's known to cause crashes.
 
  - A couple of fixes for issues seen with PMU NMIs.
 
 Thanks to: Nicholas Piggin, Guenter Roeck, Frederic Barrat Haren Myneni, Sachin Sant,
 Samuel Holland.
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Merge tag 'powerpc-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Fix a case of rescheduling with user access unlocked, when preempt is
   enabled.

 - A follow-up fix for a recent fix, which could lead to IRQ state
   assertions firing incorrectly.

 - Two fixes for lockdep warnings seen when using kfence with the Hash
   MMU.

 - Two fixes for preempt warnings seen when using the Hash MMU.

 - Two fixes for the VAS coprocessor mechanism used on pseries.

 - Prevent building some of our older KVM backends when
   CONTEXT_TRACKING_USER is enabled, as it's known to cause crashes.

 - A couple of fixes for issues seen with PMU NMIs.

Thanks to Nicholas Piggin, Guenter Roeck, Frederic Barrat Haren Myneni,
Sachin Sant, and Samuel Holland.

* tag 'powerpc-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s/interrupt: Fix clear of PACA_IRQS_HARD_DIS when returning to soft-masked context
  powerpc/64s/interrupt: Perf NMI should not take normal exit path
  powerpc/64/interrupt: Prevent NMI PMI causing a dangerous warning
  KVM: PPC: BookS PR-KVM and BookE do not support context tracking
  powerpc: Fix reschedule bug in KUAP-unlocked user copy
  powerpc/64s: Fix hash__change_memory_range preemption warning
  powerpc/64s: Disable preemption in hash lazy mmu mode
  powerpc/64s: make linear_map_hash_lock a raw spinlock
  powerpc/64s: make HPTE lock and native_tlbie_lock irq-safe
  powerpc/64s: Add lockdep for HPTE lock
  powerpc/pseries: Use lparcfg to reconfig VAS windows for DLPAR CPU
  powerpc/pseries/vas: Add VAS IRQ primary handler
2022-10-29 10:35:17 -07:00
Yang Yingliang d81916910f platform/loongarch: laptop: Fix possible UAF and simplify generic_acpi_laptop_init()
Currently the return value of 'sub_driver->init' is not checked. If
sparse_keymap_setup() called in the init function fails, 'generic_
inputdev' is freed, then it will lead a UAF when using it in generic_
acpi_laptop_init(). Fix it by checking the return value and setting
generic_inputdev to NULL after free, so as to avoid double free it.

The error code in generic_subdriver_init() is always negative, so the
return of generic_subdriver_init() can be simplified.

Fixes: 6246ed0911 ("LoongArch: Add ACPI-based generic laptop driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-10-29 16:29:31 +08:00