Add support to detect USB flash drives and create the /dev/sd* devices.
Also add support for vfat to support USB drives formatted as FAT32.
This support will be used to enable firmware updates via USB flash
drives where the firmware image is stored in the USB drive and it's
plugged into the BMC USB port.
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
Tested-by: Adriana Kobylak <anoo@us.ibm.com>
Link: https://lore.kernel.org/r/20211112202931.2379145-1-anoo@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Now that the pinctrl definitions of the ast2600 SoC have been fixed,
see commit 925fbe1f7e ("dt-bindings: pinctrl: aspeed-g6: add FWQSPI
function/group"), it is safe to activate QSPI on the ast2600 evb.
Cc: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
Tested-by: Jae Hyun Yoo <quic_jaehyoo@quicinc.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Link: https://lore.kernel.org/r/20220603073705.1624351-1-clg@kaod.org
Signed-off-by: Joel Stanley <joel@jms.id.au>
Removed NIC EEPROM driver IPMB-12 channel and enabled it as
generic i2c EEPROM.
Signed-off-by: Karthikeyan Pasupathi <pkarthikeyan1509@gmail.com>
Link: https://lore.kernel.org/r/20220914115307.GA339@hcl-ThinkPad-T495
Signed-off-by: Joel Stanley <joel@jms.id.au>
Add initial version of device tree for the BMC in the AMD DaytonaX
platform.
AMD DaytonaX platform is a customer reference board (CRB) with an
Aspeed ast2500 BMC manufactured by AMD.
Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220921210950.10568-3-aladyshev22@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Document AMD DaytonaX board compatible.
Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220921210950.10568-2-aladyshev22@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Added IPMB-13 channel for Debug Card communication which improves the
readability of the machine and makes it easier to debug the server and
it will display some pieces of information about the server like "system
info", "Critical sensors" and "critical sel".
Signed-off-by: Karthikeyan Pasupathi <pkarthikeyan1509@gmail.com>
Reviewed-by: Patrick Williams <patrick@stwcx.xyz>
Link: https://lore.kernel.org/r/20220926124313.GA8400@hcl-ThinkPad-T495
Signed-off-by: Joel Stanley <joel@jms.id.au>
Remove the gpio-keys entries from the Ampere's Mt. Jade BMC device
tree. The user space applications are going to change from using
libevdev to libgpiod.
Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20220915080828.2894070-1-quan@os.amperecomputing.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
The Mt. Mitchell BMC is an ASPEED AST2600-based BMC for the Mt. Mitchell
hardware reference platform with AmpereOne(TM) processor.
Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Signed-off-by: Phong Vo <phong@os.amperecomputing.com>
Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20220817071539.176110-3-quan@os.amperecomputing.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
The USB controllers on sc7280 do not retain the state when
the system goes into low power state and the GDSCs are
turned off. This results in the controllers reinitializing and
re-enumerating all the connected devices (resulting in additional
delay while coming out of suspend)
Fix this by updating the .pwrsts for the USB GDSCs so they only
transition to retention state in low power.
Since sc7280 only supports cx (parent of usb gdscs) Retention, there
are no cxcs offsets mentioned in order to support the Retention
state.
Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220920111517.10407-3-quic_rjendra@quicinc.com
The USB controller on sc7180 does not retain the state when
the system goes into low power state and the GDSC is
turned off. This results in the controller reinitializing and
re-enumerating all the connected devices (resulting in additional
delay while coming out of suspend)
Fix this by updating the .pwrsts for the USB GDSC so it only
transitions to retention state in low power.
Since sc7180 only supports cx (parent of usb gdsc) Retention, there
are no cxcs offsets mentioned in order to support the Retention
state.
Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220920111517.10407-2-quic_rjendra@quicinc.com
GDSCs cannot be transitioned into a Retention state in SW.
When either the RETAIN_MEM bit, or both the RETAIN_MEM and
RETAIN_PERIPH bits are set, and the GDSC is left ON, the HW
takes care of retaining the memory/logic for the domain when
the parent domain transitions to power collapse/power off state.
On some platforms where the parent domains lowest power state
itself is Retention, just leaving the GDSC in ON (without any
RETAIN_MEM/RETAIN_PERIPH bits being set) will also transition
it to Retention.
The existing logic handling the PWRSTS_RET seems to set the
RETAIN_MEM/RETAIN_PERIPH bits if the cxcs offsets are specified
but then explicitly turns the GDSC OFF as part of _gdsc_disable().
Fix that by leaving the GDSC in ON state.
Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220920111517.10407-1-quic_rjendra@quicinc.com
To work around a misbehavior of the compiler's ability to see into
composite flexible array structs (as detailed in the coming memcpy()
hardening series[1]), split the memcpy() of the header and the payload
so no false positive run-time overflow warning will be generated.
[1] https://lore.kernel.org/linux-hardening/20220901065914.1417829-2-keescook@chromium.org
Cc: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/20220927004033.1942992-1-keescook@chromium.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Alex Elder says:
====================
net: ipa: generalized register definitions
This series is quite a bit bigger than what I normally like to send,
and I apologize for that. I would like it to get incorporated in
its entirety this week if possible, and splitting up the series
carries a small risk that wouldn't happen.
Each IPA register has a defined offset, and in most cases, a set
of masks that define the width and position of fields within the
register. Most registers currently use the same offset for all
versions of IPA. Usually fields within registers are also the same
across many versions. Offsets and fields like this are defined
using preprocessor constants.
When a register has a different offset for different versions of
IPA, an inline function is used to determine its offset. And in
places where a field differs between versions, an inline function is
used to determine how a value is encoded within the field, depending
on IPA version.
Starting with IPA version 5.0, the number of IPA endpoints supported
is greater than 32. As a consequence, *many* IPA register offsets
differ considerably from prior versions. This increase in endpoints
also requires a lot of field sizes and/or positions to change (such
as those that contain an endpoint ID).
Defining these things with constants is no longer simple, and rather
than fill the code with one-off functions to define offsets and
encode field values, this series puts in place a new way of defining
IPA registers and their fields. Note that this series creates this
new scheme, but does not add IPA v5.0+ support.
An enumerated type will now define a unique ID for each IPA register.
Each defined register will have a structure that contains its offset
and its name (a printable string). Each version of IPA will have an
array of these register structures, indexed by register ID.
Some "parameterized" registers are duplicated (this is not new).
For example, each endpoint has an INIT_HDR register, and the offset
of a given endpoint's INIT_HDR register is dependent on the endpoint
number (the parameter). In such cases, the register's "stride" is
defined as the distance between two of these registers.
If a register contains fields, each field will have a unique ID
that's used as an index into an array of field masks defined for the
register. The register structure also defines the number of entries
in this field array.
When a register is to be used in code, its register structure will
be fetched using function ipa_reg(). Other functions are then used
to determine the register's offset, or to encode a value into one of
the register's fields, and so on.
Each version of IPA defines the set of registers that are available,
including all fields for these registers. The array of defined
registers is set up at probe time based on the IPA version, and it
is associated with the main IPA structure.
====================
Link: https://lore.kernel.org/r/20220926220931.3261749-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Define the fields for the ENDP_INIT_DEAGGR, ENDP_INIT_RSRC_GRP,
ENDP_INIT_SEQ, ENDP_STATUS, and ENDP_FILTER_ROUTER_HSH_CFG, and
IPA_IRQ_UC IPA registers for all supported IPA versions.
Create enumerated types to identify fields for these IPA registers.
Use IPA_REG_FIELDS() and IPA_REG_STRIDE_FIELDS() to specify the
field mask values defined for these registers, for each supported
version of IPA.
Use ipa_reg_encode() and ipa_reg_bit() to build up the values to be
written to these registers, remove an inline function and all the
*_FMASK symbols that are now no longer used.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Define the fields for the ENDP_INIT_MODE, ENDP_INIT_AGGR,
ENDP_INIT_HOL_BLOCK_EN, and ENDP_INIT_HOL_BLOCK_TIMER IPA
registers for all supported IPA versions.
Create enumerated types to identify fields for these IPA registers.
Use IPA_REG_STRIDE_FIELDS() to specify the field mask values defined
for these registers, for each supported version of IPA.
Change aggr_time_limit_encode() and hol_block_timer_encode() so they
take an ipa_reg pointer, and use those register's fields to compute
their encoded results. Have aggr_time_limit_encode() take an IPA
pointer rather than version, to match hol_block_timer_encode().
Use ipa_reg_encode(), ipa_reg_bit(), and ipa_reg_field_max() to
manipulate values to be written to these registers, remove the
definitions of the various inline functions and *_FMASK symbols that
are now no longer used.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Define the fields for the ENDP_INIT_CTRL, ENDP_INIT_CFG, ENDP_INIT_NAT,
ENDP_INIT_HDR, and ENDP_INIT_HDR_EXT IPA registers for all supported
IPA versions.
Create enumerated types to identify fields for these IPA registers.
Use IPA_REG_STRIDE_FIELDS() to specify the field mask values defined
for these registers, for each supported version of IPA.
Move ipa_header_size_encoded() and ipa_metadata_offset_encoded() out
of "ipa_reg.h" and into "ipa_endpoint.c". Change them so they take
an additional ipa_reg structure argument, and use ipa_reg_encode()
to encode the parts of the header size and offset prior to writing
to the register. Change their names to be verbs rather than nouns.
Use ipa_reg_encode(), ipa_reg_bit, and ipa_reg_field_max() to
manipulate values to be written to these registers, remove the
definition of the no-longer-used *_FMASK symbols.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Define the fields for the {SRC,DST}_RSRC_GRP_{01,23,45,67}_RSRC_TYPE
IPA registers for all supported IPA versions.
Create enumerated types to identify fields for these IPA registers.
Use IPA_REG_STRIDE_FIELDS() to specify the field mask values defined
for these registers, for each supported version of IPA.
Use ipa_reg_encode() to build up the values to be written to these
registers.
Remove the definition of the no-longer-used *_FMASK symbols.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Define the fields for the FLAVOR_0, IDLE_INDICATION_CFG,
QTIME_TIMESTAMP_CFG, TIMERS_XO_CLK_DIV_CFG and TIMERS_PULSE_GRAN_CFG
IPA registers for all supported IPA versions.
Create enumerated types to identify fields for these IPA registers.
Use IPA_REG_FIELDS() to specify the field mask values defined for
these registers, for each supported version of IPA.
Use ipa_reg_bit() and ipa_reg_encode() to build up the values to be
written to these registers. Use ipa_reg_decode() to extract field
values from the FLAVOR_0 register.
Remove the definition of the no-longer-used *_FMASK symbols.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Define the fields for the LOCAL_PKT_PROC_CNTXT, COUNTER_CFG, and
IPA_TX_CFG IPA registers for all supported IPA versions.
Create enumerated types to identify fields for these IPA registers.
Use IPA_REG_FIELDS() to specify the field mask values defined for
these registers, for each supported version of IPA.
Use ipa_reg_bit() and ipa_reg_encode() to build up the values to be
written to these registers. Remove the definition of the *_FMASK
symbols as well as proc_cntxt_base_addr_encoded(), because they are
no longer needed.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Define the fields for the SHARED_MEM_SIZE, QSB_MAX_WRITES,
QSB_MAX_READS, FILT_ROUT_HASH_EN, and FILT_ROUT_HASH_FLUSH IPA
registers for all supported IPA versions.
Create enumerated types to identify fields for these registers. Use
IPA_REG_FIELDS() to specify the field mask values defined for these
registers, for each supported version of IPA.
Use ipa_reg_bit() and ipa_reg_encode() to build up the values to be
written to these registers rather than using the *_FMASK
preprocessor symbols.
Remove the definition of the now unused *_FMASK symbols.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Create the ipa_reg_clkon_cfg_field_id enumerated type, which
identifies the fields for the CLKON_CFG IPA register. Add "CLKON_"
to a few short names to try to avoid name conflicts. Create the
ipa_reg_route_field_id enumerated type, which identifies the fields
for the ROUTE IPA register.
Use IPA_REG_FIELDS() to specify the field mask values defined for
these registers, for each supported version of IPA.
Use ipa_reg_bit() and ipa_reg_encode() to build up the values to be
written to these registers rather than using the *_FMASK
preprocessor symbols.
Remove the definition of the now unused *_FMASK symbols.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Create the ipa_reg_comp_cfg_field_id enumerated type, which
identifies the fields for the COMP_CFG IPA register.
Use IPA_REG_FIELDS() to specify the field mask values defined for
this register, for each supported version of IPA.
Use ipa_reg_bit() to build up the value to be written to this
register rather than using the *_FMASK preprocessor symbols.
Remove the definition of the *_FMASK symbols, along with the inline
functions that were used to encode certain fields whose position
and/or width within the register was dependent on IPA version.
Take this opportunity to represent all one-bit fields using BIT(x)
rather than GENMASK(x, x).
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add register field descriptors to the ipa_reg structure. A field in
a register is defined by a field mask, which is a 32-bit mask having
a single contiguous range of bits set.
For each register that has at least one field defined, an enumerated
type will identify the register's fields. The ipa_reg structure for
that register will include an array fmask[] of field masks, indexed
by that enumerated type. Each field mask defines the position and
bit width of a field. An additional "fcount" records how many
fields (masks) are defined for a given register.
Introduce two macros to be used to define registers that have at
least one field.
Introduce a few new functions related to field masks. The first
simply returns a field mask, given an IPA register pointer and field
mask ID. A variant of that is meant to be used for the special case
of single-bit field masks.
Next, ipa_reg_encode(), identifies a field with an IPA register
pointer and a field ID, and takes a value to represent in that
field. The result encodes the value in the appropriate place to be
stored in the register. This is roughly modeled after the bitmask
operations (like u32_encode_bits()).
Another function (ipa_reg_decode()) similarly identifies a register
field, but the value supplied to it represents a full register
value. The value encoded in the field is extracted from the value
and returned. This is also roughly modeled after bitmask operations
(such as u32_get_bits()).
Finally, ipa_reg_field_max() returns the maximum value representable
by a field.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Create a new function that returns a register descriptor given its
ID. Change ipa_reg_offset() and ipa_reg_n_offset() so they take a
register descriptor argument rather than an IPA pointer and register
ID. Have them accept null pointers (and return an invalid 0 offset),
to avoid the need for excessive error checking. (A warning is issued
whenever ipa_reg() returns 0).
Call ipa_reg() or ipa_reg_n() to look up information about the
register before calls to ipa_reg_offset() and ipa_reg_n_offset().
Delay looking up offsets until they're needed to read or write
registers.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use the array of register descriptors assigned at initialization
time to determine the offset (and where used, stride) for IPA
registers. Issue a warning if an offset is requested for a register
that's not valid for the current system.
Remove all IPE_REG_*_OFFSET macros, as well as inline static
functions that returned register offsets.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Create a new subdirectory "reg", which contains a register
definition file for each supported version of IPA. Each register
definition contains the register's offset, and for parameterized
registers, the stride (distance between consecutive instances of the
register). Finally, it includes an all-caps printable register name.
In these files, each IPA version defines an array of IPA register
definition pointers, with unsupported registers defined with a null
pointer. The array is indexed by the ipa_reg_id enumerated type.
At initialization time, the appropriate register definition array to
use is selected based on the IPA version, and assigned to a new
"regs" field in the IPA structure.
Extend ipa_reg_valid() so it fails if a valid register is not
defined.
This patch simply puts this infrastructure in place; the next will
use it.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Expose two inline functions that return the offset for a register
whose ID is provided; one of them takes an additional argument
that's used for registers that are parameterized. These both use
a common helper function __ipa_reg_offset(), which just uses the
offset symbols already defined.
Replace all references to the offset macros defined for IPA
registers with calls to ipa_reg_offset() or ipa_reg_n_offset().
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Create a new ipa_reg_id enumerated type, which identifies each IPA
register with a symbolic identifier. Use short names, but in some
cases (such as "BCR") add "IPA_" to the name to help avoid name
conflicts.
Create two functions that indicate register validity. The first
concisely indicates whether a register is valid for a given version
of IPA, and if so, whether it is defined. The second indicates
whether a register is valid for TX or RX endpoints.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
msm-next for v6.1
DPU:
- simplified VBIF configuration
- cleaned up CTL interfaces to accept indices rather than flush masks
DSI:
- removed unused msm_display_dsc_config struct
- switch regulator calls to new bulk API
- switched to use PANEL_BRIDGE for directly attached panels
DSI PHY:
- converted drivers to use parent_hws instead of parent_names
DP:
- cleaned up pixel_rate handling
HDMI PHY:
- turned hdmi-phy-8996 into OF clk provider
core:
- misc dt-bindings fixes
- choose eDP as primary display if it's available
- support getting interconnects from either the mdss or the mdp5/dpu
device nodes
gpu+gem:
- Shrinker + LRU re-work:
- adds a shared GEM LRU+shrinker helper and moves msm over to that
- reduces lock contention between retire and submit by avoiding the
need to acquire obj lock in retire path (and instead using resv
seeing obj's busyness in the shrinker
- fix reclaim vs submit issues
- GEM fault injection for triggering userspace error paths
- Map/unmap optimization
- Improved robustness for a6xx GPU recovery
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGsrfrr9v1oR9S4oYfOs9jm=jbKQiwPBTrCRHrjYerJJFA@mail.gmail.com
To work around a misbehavior of the compiler's ability to see into
composite flexible array structs (as detailed in the coming memcpy()
hardening series[1]), split the memcpy() of the header and the payload
so no false positive run-time overflow warning will be generated.
[1] https://lore.kernel.org/linux-hardening/20220901065914.1417829-2-keescook@chromium.org/
Cc: Wenjia Zhang <wenjia@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Link: https://lore.kernel.org/r/20220927003953.1942442-1-keescook@chromium.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
only renames, no functional changes. Some of the packets we send
seem superfluous now. Unfortunately I dont have the hardware to verify
whether they are.
Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Link: https://lore.kernel.org/r/20220913213133.584979-3-rojtberg@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Use ida_alloc_xxx()/ida_free() instead of
ida_simple_get()/ida_simple_remove().
The latter is deprecated and more verbose.
Signed-off-by: Bo Liu <liubo03@inspur.com>
Link: https://lore.kernel.org/r/20220926012744.3363-1-liubo03@inspur.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Minor spell fix related to 'stmmac_clk_csr_set()' inside a
comment used in the 'stmmac_probe_config_dt()' function.
Cc: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220924104514.1666947-1-bhupesh.sharma@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This should be the last set of bugfixes in the SoC tree:
- Two fixes for Arm integrator, dealing with a regression caused
by invalid DT properties combined with a change in dma address
translation, and missing device_type annotations on the PCI
bus.
- Fixes for drivers/reset/, addressing bugs in i.MX8MP, Sparx5 and
NPCM8XX platforms.
- Bjorn Andersson's email address changes in the MAINTAINERS file
- Multiple minor fixes to Qualcomm dts files, and a change to the
remoteproc firmware filename that did not match the actual
path in the linux-firmware package.
- Minor code fixes for the Allwinner/sunxi SRAM driver, and the
broadcom STB Bus Interface Unit driver
- A build fix for the sunplus sp7021 platform
- Two dts fixes for TI OMAP family SoCs, addressing an extraneous
usb4 device node and an incorrect DMA handle.
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Merge tag 'soc-fixes-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"This should be the last set of bugfixes in the SoC tree:
- Two fixes for Arm integrator, dealing with a regression caused by
invalid DT properties combined with a change in dma address
translation, and missing device_type annotations on the PCI bus
- Fixes for drivers/reset/, addressing bugs in i.MX8MP, Sparx5 and
NPCM8XX platforms
- Bjorn Andersson's email address changes in the MAINTAINERS file
- Multiple minor fixes to Qualcomm dts files, and a change to the
remoteproc firmware filename that did not match the actual path in
the linux-firmware package
- Minor code fixes for the Allwinner/sunxi SRAM driver, and the
broadcom STB Bus Interface Unit driver
- A build fix for the sunplus sp7021 platform
- Two dts fixes for TI OMAP family SoCs, addressing an extraneous
usb4 device node and an incorrect DMA handle"
* tag 'soc-fixes-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: dts: integrator: Fix DMA ranges
ARM: dts: integrator: Tag PCI host with device_type
ARM: sunplus: fix serial console kconfig and build problems
reset: npcm: fix iprst2 and iprst4 setting
arm64: dts: qcom: sm8350: fix UFS PHY serdes size
soc: bcm: brcmstb: biuctrl: Avoid double of_node_put()
arm64: dts: qcom: sc8280xp-x13s: Update firmware location
soc: sunxi: sram: Fix debugfs info for A64 SRAM C
soc: sunxi: sram: Fix probe function ordering issues
soc: sunxi: sram: Prevent the driver from being unbound
soc: sunxi: sram: Actually claim SRAM regions
ARM: dts: am5748: keep usb4_tm disabled
reset: microchip-sparx5: issue a reset on startup
reset: imx7: Fix the iMX8MP PCIe PHY PERST support
MAINTAINERS: Update Bjorn's email address
arm64: dts: qcom: sc7280: move USB wakeup-source property
arm64: dts: qcom: thinkpad-x13s: Fix firmware location
arm64: dts: qcom: sm8150: Fix fastrpc iommu values
ARM: dts: am33xx: Fix MMCHS0 dma properties
The wake up waiters only checks the "wakeup_full" variable and not the
"full_waiters_pending". The full_waiters_pending is set when a waiter is
added to the wait queue. The wakeup_full is only set when an event is
triggered, and it clears the full_waiters_pending to avoid multiple calls
to irq_work_queue().
The irq_work callback really needs to check both wakeup_full as well as
full_waiters_pending such that this code can be used to wake up waiters
when a file is closed that represents the ring buffer and the waiters need
to be woken up.
Link: https://lkml.kernel.org/r/20220927231824.209460321@goodmis.org
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes: 15693458c4 ("tracing/ring-buffer: Move poll wake ups into ring buffer code")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
The logic to know when the shortest waiters on the ring buffer should be
woken up or not has uses a less than instead of a greater than compare,
which causes the shortest_full to actually be the longest.
Link: https://lkml.kernel.org/r/20220927231823.718039222@goodmis.org
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes: 2c2b0a78b3 ("ring-buffer: Add percentage of ring buffer full to wake up reader")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Joel Stanley
Adriana Kobylak
Cédric Le Goater
Ken Chen
Karthikeyan Pasupathi
Konstantin Aladyshev
Quan Nguyen
Rajendra Nayak
Kees Cook
Jakub Kicinski
Alex Elder
Dave Airlie
Donald Hunter
Pavel Rojtberg
Bo Liu
Taehee Yoo
Bhupesh Sharma
Linus Torvalds
Steven Rostedt (Google)