| Age | Commit message (Collapse) | Author | Files | Lines |
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Do some general cleanup in ipa_cmd_header_valid():
- Delay assigning the mem variable until just before it's used.
- Assign the maximum offset and size values together.
- Improve comments explaining the single range of memory being
made up of a modem portion and an AP portion.
- Record the offset of the combined range in a local variable.
- Do the initial size assignment right after assigning the offset.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change ipa_mem_valid() to iterate over the entries using a u32 index
variable rather than using a memory region ID. Use the ID found
inside the memory descriptor rather than the loop index.
Change ipa_mem_size_valid() to iterate over the entries but without
assuming the array index is the memory region ID. "Empty" entries
will have zero size; and we'll temporarily assume such entries have
zero offset as well (they all do, currently).
Similarly, don't assume the mem[] array is indexed by ID in
ipa_mem_config(). There, "empty" entries will have a zero canary
count, so no special assumptions are needed to handle them correctly.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow the device to be initialized at a later time if
it is not available at boot. The device will be allowed to probe but
will be given a "down" state. After completing device probe and
registering the net device, the driver will await an interrupt signal
from its partner device, indicating that it is ready for boot. The
driver will schedule a work event to perform the necessary procedure
and begin operation.
Co-developed-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: Cristobal Forno <cforno12@linux.ibm.com>
Acked-by: Lijun Pan <lijunp213@gmail.com>
Reviewed-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The following features are supported:
- LAG basic operations
- create/delete LAG
- add/remove a member to LAG
- enable/disable member in LAG
- LAG Bridge support
- LAG VLAN support
- LAG FDB support
Limitations:
- Only HASH lag tx type is supported
- The Hash parameters are not configurable. They are applied
during the LAG creation stage.
- Enslaving a port to the LAG device that already has an
upper device is not supported.
Co-developed-by: Andrii Savka <andrii.savka@plvision.eu>
Signed-off-by: Andrii Savka <andrii.savka@plvision.eu>
Signed-off-by: Serhiy Boiko <serhiy.boiko@plvision.eu>
Co-developed-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace prestera_bridge_port_event(...) by
prestera_bridge_port_join(...) and prestera_bridge_port_leave().
It simplifies the code by reading netdev event specific handling only
once in prestera_main.c
Signed-off-by: Vadym Kochan <vkochan@marvell.com>
CC: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move handling of PRECHANGEUPPER event from prestera_switchdev to
prestera_main which is responsible for basic netdev events handling
and routing them to related module.
Signed-off-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The platform_get_irq() prints error message telling that interrupt is
missing,hence there is no need to duplicated that message in the
drivers.
Signed-off-by: Tan Zhongjun <tanzhongjun@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert list_for_each() to list_for_each_entry() where
applicable. This simplifies the code.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Acked-by: Lijun Pan <lijunp213@gmail.com>
Reviewed-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_get_and_ioremap_resource() to simplify
code.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_get_and_ioremap_resource() to simplify
code and avoid a null-ptr-deref by checking 'res' in it.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit 5a5586112b92 ("net: stmmac: support FPE link partner
hand-shaking procedure") introduced the following coverity warning:
"Parse warning (PW.MIXED_ENUM_TYPE)"
"1. mixed_enum_type: enumerated type mixed with another type"
This is due to both "lo_state" and "lp_sate" which their datatype are
enum stmmac_fpe_state type, and being assigned with "FPE_EVENT_UNKNOWN"
which is a macro-defined of 0. Fixed this by assigned both these
variables with the correct enum value.
Fixes: 5a5586112b92 ("net: stmmac: support FPE link partner hand-shaking procedure")
Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_get_and_ioremap_resource() to simplify
code.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_get_and_ioremap_resource() to simplify
code.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Braces {} should be used on all arms of this statement.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Networking block comments don't use an empty /* line,
use /* Comment...
Block comments use * on subsequent lines.
Block comments use a trailing */ on a separate line.
This patch fixes the comments style issues.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to the chackpatch.pl,
space prohibited after that open parenthesis '('.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add space required before the open parenthesis '('.
Add space required after that close brace '}'.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Should not use assignment in if condition.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the checkpatch error as "foo* bar" and should be "foo *bar",
and "(foo*)" should be "(foo *)".
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the checkpatch error about missing a blank line
after declarations.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes some redundant blank lines.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Saeed Mahameed says:
====================
mlx5-fixes-2021-06-09
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Saeed Mahameed says:
====================
mlx5-updates-2021-06-09
Introduce steering header insert/remove and switchdev bridge offloads
1) From Yevgeny, Steering header insert/remove support
ConnectX supports offloading of various encapsulations and decapsulations
(e.g. VXLAN), which are performed by 'Packet Reformat' action.
Starting with ConnectX-6 DX, a new reformat type is supported - INSERT_HEADER.
This reformat allows inserting an arbitrary size buffer at a selected location
in the packet on RX flows.
The insert/remove header support are needed as a prerequisite for the
bridge offloads vlan pop/push supprt, see below.
2) From Vlad, Support for bridge offloads for switchdev mode
This change implements bridge offloads with VLAN-support that works on top
of mlx5 representors in switchdev mode.
HIGH-LEVEL OVERVIEW
Hardware supported by mlx5 driver doesn't provide dynamic learning or aging
functionality and requires the driver to emulate all switch-like behavior
in software. As such, all packets by default go through miss path, appear
on representor and get to software bridge, if it is the upper device of the
representor. This causes bridge to process packet in software, learn the
MAC address to FDB and send SWITCHDEV_FDB_ADD_TO_DEVICE event to all
subscribers. Upon reception of SWITCHDEV_FDB_ADD_TO_DEVICE notification
mlx5 bridge offloads the FDB to hardware and sends back
SWITCHDEV_FDB_ADD_TO_BRIDGE notification to prevent such entries from being
aged out by kernel bridge. Leaving aging to kernel bridge would result
deletion of offloaded dynamic FDB entries every aging_time period due to
packets being processed by hardware and, consecutively, 'used' timestamp
for FDB entry not being updated. Hardware aging is emulated in driver by
running periodic workqueue task that manually updates the rules according
to their hardware counter:
- If hardware counter has changed since last update, the handler updates
'used' timestamp in kernel bridge dynamic entry by sending
SWITCHDEV_FDB_ADD_TO_BRIDGE notification for the entry.
- If FDB entry wasn't updated for user-controllable aging_time period,
then the FDB entry is unoffloaded from hardware and corresponding
SWITCHDEV_FDB_DEL_TO_BRIDGE notification is sent to kernel bridge.
The mlx5 bridge offload implementation fully supports port VLAN objects,
including PVID (vlan push) and "Egress Untagged" (vlan pop).
SOFTWARE ARCHITECTURE
Mlx5_eswitch is extended with pointer to new mlx5_esw_bridge_offloads
structure which has a linked list of mlx5_esw_bridge objects. Struct
mlx5_esw_bridge is the main switch object in mlx5 that holds all data for
offloaded FDB entries and metadata for bridge ports and their vlans. The
mlx5_esw_bridge object is created when first representor of eswitch vport
is added to bridge and deleted when the last representor is detached from
it. Bridge FDB entries are saved in linked list (to iterate over all FDB
entries in aging workqueue task) and also in hashtable for quick lookup by
MAC+VLAN tuple. Bridge FDB entries are saved in linked list (to iterate
over all FDB entries in aging workqueue task) and in hashtable for quick
lookup by MAC+VLAN tuple. Port metadata is stored in struct
mlx5_esw_bridge_port that is saved in xarray to allow quick lookup by vport
number. Part of the port metadata is the set of port vlans that are
represented by mlx5_esw_bridge_vlan structure. The vlan structure points to
all FDBs on vlan/port via fdb_list linked list.
Simplified diagram of mlx5 bridge objects:
+------------------+
| mxl5_eswitch |
| |
| br_offloads |
+--------+---------+
|
+--------v-------------------+
| mlx5_esw_bridge_offloads |
| |
+--> bridges |
| +-------+--------------------+
| |
| |
| +---v---------------+
| | mlx5_esw_bridge |
| | |
| | vports |
| | |
| | fdb_ht |
| +---+---------------+
| |
| +---v---------------+
+------+ mlx5_esw_bridge |
| |
+-------------------------+ vports |
| | |
| | fdb_ht +------------------------------------------+
| +-------------------+ |
| |
| |
| +----------------------+ +---------------------------+ |
+-> mlx5_esw_bridge_port | +--> mlx5_esw_bridge_fdb_entry <-+
| | | +----------------------+ | +--+------------------------+ |
| | vlans +--+-> mlx5_esw_bridge_vlan | | | |
| | | | | | | +--v------------------------+ |
| +----------------------+ | | fdb_list +--+ | mlx5_esw_bridge_fdb_entry <-+
| | +-------^--------------+ +--+------------------------+ |
| +----------------------+ | | | |
+-> mlx5_esw_bridge_port | | +-----------------------+ |
| | | |
| vlans | | -----------------------+ |
| | +-> mlx5_esw_bridge_vlan | |
+----------------------+ | | +---------------------------+ |
| fdb_list +-----> mlx5_esw_bridge_fdb_entry <-+
+-------^--------------+ +--+------------------------+
| |
+-----------------------+
HARDWARE REPRESENTATION
In order to adhere to kernel software datapath model bridge offloads must
come after TC and NF FDBs. However, since netfilter offload in mlx5 is
implemented with unmanaged tables, its miss path is not automatically
connected to next priority and requires the code to manually connect with
slow table. To keep bridge offloads encapsulated and not mix it with
eswitch offloads new FDB_TC_MISS priority is created between FDB_FT_OFFLOAD
and FDB_SLOW_PATH which allows bridge offloads to be created without
exposing its internal tables to any other modules since miss path of
managed TC-miss table is automatically wired to next priority.
The bridge tables are created with new priority FDB_BR_OFFLOAD in FDB
namespace. The new priority is between tc-miss and slow path priorities.
Priority consist of two levels: the ingress table that is global per
eswitch and matches incoming packets by src_mac/vid and redirects them to
next level (egress table) that is chosen according to ingress port bridge
membership and matches on dst_mac/vid in order to redirect packet to vport
according to the following diagram:
+
|
+---------v----------+
| |
| FDB_TC_OFFLOAD |
| |
+---------+----------+
|
|
+---------v----------+
| |
| FDB_FT_OFFLOAD |
| |
+---------+----------+
|
|
+---------v----------+
| |
| FDB_TC_MISS |
| |
+---------+----------+
|
+--------------------------------------+
| | |
| +------+ |
| | |
| +------v--------+ FDB_BR_OFFLOAD |
| | INGRESS_TABLE | |
| +------+---+----+ |
| | | match |
| | +---------+ |
| | | | +-------+
| | +-------v-------+ match | | |
| | | EGRESS_TABLE +------------> vport |
| | +-------+-------+ | | |
| | | | +-------+
| | miss | |
| +------+------+ |
| | |
+--------------------------------------+
|
|
+---------v----------+
| |
| FDB_SLOW_PATH |
| |
+---------+----------+
|
v
PATCHES OVERVIEW
1-3 - Miscellaneous refactorings and infrastructure changes.
4 - Mlx5 bridge offload infrastructure and dedicated fs_core
namespace/tables implementation.
5 - FDB entry offload.
6 - Dynamic FDB entry aging.
7-10 - VLAN filtering offload.
11 - Tracepoints for main mlx5 bridge offload events (FDB entry
offload/unoffload, VLAN add/delete, etc.)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
--
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Be more verbose to disambiguate the error case when trying to configure
SR-IOV with no driver bound vs. a driver that does not implement the
.sriov_configure() callback.
Link: https://lore.kernel.org/r/20210327175140.682708-1-mdf@kernel.org
Reported-by: Brian Foley <bpfoley@google.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
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Use devm_platform_get_and_ioremap_resource() to simplify
code and avoid a null-ptr-deref by checking 'res' in it.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_get_and_ioremap_resource() to simplify
code.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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PHY devices such as the Marvell Alaska 88E2110 does not return a valid
PHY ID when probed using Clause-22. The current implementation treats
PHY ID of zero as a non-error and valid PHY ID, and causing the PHY
device failed to bind to the Marvell driver.
For such devices, we do an additional probe in the Clause-45 space,
if a valid PHY ID is returned, we then proceed to attach the PHY
device to the matching PHY ID driver.
Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since upstream LiteX recommends that Linux support be limited to
designs configured with 32-bit CSR subregisters (see commit a2b71fde
in upstream LiteX, https://github.com/enjoy-digital/litex), remove
the option to select 8-bit subregisters, significantly reducing the
complexity of LiteX CSR (MMIO register) accessor methods.
NOTE: for details on the underlying mechanics of LiteX CSR registers,
see https://github.com/enjoy-digital/litex/wiki/CSR-Bus or the original
LiteX accessors (litex/soc/software/include/hw/common.h in the upstream
repository).
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Florent Kermarrec <florent@enjoy-digital.fr>
Cc: Mateusz Holenko <mholenko@antmicro.com>
Cc: Joel Stanley <joel@jms.id.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stafford Horne <shorne@gmail.com>
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Fix the copy-paste mistake in the return path of typec_mux_match(),
where dev is considered a member of struct typec_switch rather than
struct typec_mux.
The two structs are identical in regards to having the struct device as
the first entry, so this provides no functional change.
Fixes: 3370db35193b ("usb: typec: Registering real device entries for the muxes")
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210610002132.3088083-1-bjorn.andersson@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If ucsi_init() fails for some reason (e.g. ucsi_register_port()
fails or general communication failure to the PPM), particularly at
any point after the GET_CAPABILITY command had been issued, this
results in unwinding the initialization and returning an error.
However the ucsi structure's ucsi_capability member retains its
current value, including likely a non-zero num_connectors.
And because ucsi_init() itself is done in a workqueue a UCSI
interface driver will be unaware that it failed and may think the
ucsi_register() call was completely successful. Later, if
ucsi_unregister() is called, due to this stale ucsi->cap value it
would try to access the items in the ucsi->connector array which
might not be in a proper state or not even allocated at all and
results in NULL or invalid pointer dereference.
Fix this by clearing the ucsi->cap value to 0 during the error
path of ucsi_init() in order to prevent a later ucsi_unregister()
from entering the connector cleanup loop.
Fixes: c1b0bc2dabfa ("usb: typec: Add support for UCSI interface")
Cc: stable@vger.kernel.org
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Mayank Rana <mrana@codeaurora.org>
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Link: https://lore.kernel.org/r/20210609073535.5094-1-jackp@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The commit a390bef7db1f ("usb: gadget: fsl_mxc_udc: Remove the driver")
dropped the ARCH_MXC dependency from USB_FSL_USB2, leaving it depending
solely on FSL_SOC.
FSL_SOC is powerpc only; it was briefly available on ARM in 2014 but was
removed by commit cfd074ad8600 ("ARM: imx: temporarily remove
CONFIG_SOC_FSL from LS1021A"). Therefore the driver can no longer be
enabled on ARM platforms.
This appears to be a mistake as arm64's ARCH_LAYERSCAPE and arm32
SOC_LS1021A SoCs use this symbol. It's enabled in these defconfigs:
arch/arm/configs/imx_v6_v7_defconfig:CONFIG_USB_FSL_USB2=y
arch/arm/configs/multi_v7_defconfig:CONFIG_USB_FSL_USB2=y
arch/powerpc/configs/mgcoge_defconfig:CONFIG_USB_FSL_USB2=y
arch/powerpc/configs/mpc512x_defconfig:CONFIG_USB_FSL_USB2=y
To fix, expand the dependencies so USB_FSL_USB2 can be enabled on the
ARM platforms, and with COMPILE_TEST.
Fixes: a390bef7db1f ("usb: gadget: fsl_mxc_udc: Remove the driver")
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210610034957.93376-1-joel@jms.id.au
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As LKP noticed the Sparse is not happy about strict type handling:
.../typec/tcpm/wcove.c:380:50: sparse: expected unsigned short [usertype] header
.../typec/tcpm/wcove.c:380:50: sparse: got restricted __le16 const [usertype] header
Fix this by switching to use pd_header_cnt_le() instead of pd_header_cnt()
in the affected code.
Fixes: ae8a2ca8a221 ("usb: typec: Group all TCPCI/TCPM code together")
Fixes: 3c4fb9f16921 ("usb: typec: wcove: start using tcpm for USB PD support")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210609172202.83377-1-andriy.shevchenko@linux.intel.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ucsi_unregister_ppm() got replaced with ucsi_unregister(). Fix
the comment in ucsi_init() as well.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Link: https://lore.kernel.org/r/1623274076-6287-1-git-send-email-subbaram@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no need to keep around the debugfs "root" directory for the
dwc3 device. Instead, look it up anytime we need to find it. This will
help when callers get out-of-order and we had the potential to have a
"stale" pointer around for the root dentry, as has happened in the past.
Tested-by: Jack Pham <jackp@codeaurora.org>
Reviewed-by: Peter Chen <peter.chen@kernel.org>
Acked-by: Felipe Balbi <balbi@kernel.org>
Link: https://lore.kernel.org/r/20210609093924.3293230-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Global static variables dont need to be initialised manully.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20210609094726.62459-1-wangborong@cdjrlc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull rdma fixes from Jason Gunthorpe:
"A mixture of small bug fixes and a small security issue:
- WARN_ON when IPoIB is automatically moved between namespaces
- Long standing bug where mlx5 would use the wrong page for the
doorbell recovery memory if fork is used
- Security fix for mlx4 that disables the timestamp feature
- Several crashers for mlx5
- Plug a recent mlx5 memory leak for the sig_mr"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
IB/mlx5: Fix initializing CQ fragments buffer
RDMA/mlx5: Delete right entry from MR signature database
RDMA: Verify port when creating flow rule
RDMA/mlx5: Block FDB rules when not in switchdev mode
RDMA/mlx4: Do not map the core_clock page to user space unless enabled
RDMA/mlx5: Use different doorbell memory for different processes
RDMA/ipoib: Fix warning caused by destroying non-initial netns
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In this patch we add a section to document what userspace should do to
find out the CRTC index. This is important as they may be many places in
the documentation that need this, so it's better to just point to this
section and avoid repetition.
Signed-off-by: Leandro Ribeiro <leandro.ribeiro@collabora.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210609230039.73307-2-leandro.ribeiro@collabora.com
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The arm64 entry code suffers from an annoying issue on taking
a NMI, as it sets PMR to a value that actually allows IRQs
to be acknowledged. This is done for consistency with other parts
of the code, and is in the process of being fixed. This shouldn't
be a problem, as we are not enabling interrupts whilst in NMI
context.
However, in the infortunate scenario that we took a spurious NMI
(retired before the read of IAR) *and* that there is an IRQ pending
at the same time, we'll ack the IRQ in NMI context. Too bad.
In order to avoid deadlocks while running something like perf,
teach the GICv3 driver about this situation: if we were in
a context where no interrupt should have fired, transiently
set PMR to a value that only allows NMIs before acking the pending
interrupt, and restore the original value after that.
This papers over the core issue for the time being, and makes
NMIs great again. Sort of.
Fixes: 4d6a38da8e79e94c ("arm64: entry: always set GIC_PRIO_PSR_I_SET during entry")
Co-developed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/lkml/20210610145731.1350460-1-maz@kernel.org
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When CONFIG_IMX_REMOTEPROC is y and CONFIG_HAVE_ARM_SMCCC
is not set, compiling errors are encountered as follows:
drivers/remoteproc/imx_rproc.o: in function `imx_rproc_stop':
imx_rproc.c:(.text+0x140): undefined reference to `__arm_smccc_smc'
drivers/remoteproc/imx_rproc.o: in function `imx_rproc_detect_mode':
imx_rproc.c:(.text+0x272): undefined reference to `__arm_smccc_smc'
drivers/remoteproc/imx_rproc.o: in function `imx_rproc_start':
imx_rproc.c:(.text+0x5e0): undefined reference to `__arm_smccc_smc'
__arm_smccc_smc is defined when HAVE_ARM_SMCCC is y, so
add dependency on HAVE_ARM_SMCCC in IMX_REMOTEPROC configuration.
Fixes: 79806d32d5aa ("remoteproc: imx_rproc: support i.MX8MN/P")
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20210610031530.26326-1-peng.fan@oss.nxp.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add a compatible for MDM9607. It uses the "legacy" calling
convention.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210131013058.54299-1-konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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This SoC while being from 8916 era, makes use of the
newer-style, floor-level management, instead of the older
floor-corner.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210131013233.54666-1-konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Fix the following coccicheck warning:
./drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c:
3539:12-42: duplicated argument to && or ||
./drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c:
5677:87-123: duplicated argument to && or ||
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Fix the following checkincludes.pl warning:
./drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
35 #include "dce110_hw_sequencer.h"
69 #include "dce110_hw_sequencer.h"
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use ARRAY_SIZE instead of dividing sizeof array with sizeof an
element.
Clean up the following coccicheck warning:
./drivers/gpu/drm/amd/display/dc/core/dc_resource.c:448:47-48: WARNING:
Use ARRAY_SIZE.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Clean up the following includecheck warning:
./drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c: clk_mgr.h is
included more than once.
No functional change.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Perform dependent to independent throttle status translation
for aldebaran.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Perform dependent to independent throttle status translation
for renoir.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Perform dependent to independent throttle status translation
for vangogh.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Perform dependent to independent throttle status translation
for sienna cichlid.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Alex Elder
Cristobal Forno
Serhiy Boiko
Vadym Kochan
Tan Zhongjun
Wang Hai
Yang Yingliang
Wong Vee Khee
Peng Li
David S. Miller
Moritz Fischer
Gabriel Somlo
Bjorn Andersson
Mayank Rana
Joel Stanley
Andy Shevchenko
Subbaraman Narayanamurthy
Greg Kroah-Hartman
Jason Wang
Linus Torvalds
Leandro Ribeiro
Marc Zyngier
Peng Fan
Konrad Dybcio
Wan Jiabing
Jiapeng Chong
Graham Sider