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For the error path in wilc_wlan_initialize(), the resources are not
cleanup in the correct order. Reverted the previous changes and use the
correct order to free during error condition.
Fixes: b46d68825c2d ("staging: wilc1000: remove COMPLEMENT_BOOT")
Cc: <stable@vger.kernel.org>
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Moved the handling of p2p related operation in the caller context instead
of using workqueue.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the file loaded by the code anyway, but now you can use
'modinfo' to determine the needed firmware file for this module.
Spotted when packaging firmware files for the fli4l Linux router
distribution, where a script uses the information from 'modinfo' to
collect all needed firmware files to package.
Cc: Christoph Schulz <mail@kristov.de>
Signed-off-by: Alexander Dahl <post@lespocky.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add missing parenthesis to PCIE_FTS_NUM_LO macro to do the
same it was being done in original code.
Fixes: a4b2eb912bb1 ("staging: mt7621-pci: rewrite RC FTS configuration")
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The commit 52c4dfcead49 ("Staging: vc04_services: Cleanup in
ctrl_set_bitrate()") changed the return behavior of ctrl_set_bitrate().
We cannot do this because of a bug in the firmware, which breaks probing
of bcm2835-camera:
bcm2835-v4l2: mmal_init: failed to set all camera controls: -3
Cleanup: Destroy video encoder
Cleanup: Destroy image encoder
Cleanup: Destroy video render
Cleanup: Destroy camera
bcm2835-v4l2: bcm2835_mmal_probe: mmal init failed: -3
bcm2835-camera: probe of bcm2835-camera failed with error -3
So restore the old behavior, add an explaining comment and a debug message
to verify that the bug has been fixed in firmware.
Fixes: 52c4dfcead49 ("Staging: vc04_services: Cleanup in ctrl_set_bitrate()")
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Cc: stable <stable@vger.kernel.org>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove unused function log_csv_error.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Reviewed-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The interrupt handler `dt282x_interrupt()` causes a null pointer
dereference for those supported boards that have no analog output
support. For these boards, `dev->write_subdev` will be `NULL` and
therefore the `s_ao` subdevice pointer variable will be `NULL`. In that
case, the following call near the end of the interrupt handler results
in a null pointer dereference:
comedi_handle_events(dev, s_ao);
Fix it by only calling the above function if `s_ao` is valid.
(There are other uses of `s_ao` by the interrupt handler that may or may
not be reached depending on values of hardware registers. Trust that
they are reliable for now.)
Note:
commit 4f6f009b204f ("staging: comedi: dt282x: use comedi_handle_events()")
propagates an earlier error from
commit f21c74fa4cfe ("staging: comedi: dt282x: use cfc_handle_events()").
Fixes: 4f6f009b204f ("staging: comedi: dt282x: use comedi_handle_events()")
Cc: <stable@vger.kernel.org> # v3.19+
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The interrupt handler `pci230_interrupt()` causes a null pointer
dereference for a PCI260 card. There is no analog output subdevice for
a PCI260. The `dev->write_subdev` subdevice pointer and therefore the
`s_ao` subdevice pointer variable will be `NULL` for a PCI260. The
following call near the end of the interrupt handler results in the null
pointer dereference for a PCI260:
comedi_handle_events(dev, s_ao);
Fix it by only calling the above function if `s_ao` is valid.
Note that the other uses of `s_ao` in the calls
`pci230_handle_ao_nofifo(dev, s_ao);` and `pci230_handle_ao_fifo(dev,
s_ao);` will never be reached for a PCI260, so they are safe.
Fixes: 39064f23284c ("staging: comedi: amplc_pci230: use comedi_handle_events()")
Cc: <stable@vger.kernel.org> # v3.19+
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Instead of filling in the struct v4l2_capability device_caps
field, fill in the struct video_device device_caps field.
That way the V4L2 core knows what the capabilities of the
video device are.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resolve checkpatch warning:
Prefer kzalloc(sizeof(*ptr)...) over kzalloc(sizeof(struct ..)
Signed-off-by: Shobhit Kukreti <shobhitkukreti@gmail.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Reviewed-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently, we will check if inode layout is compression or inline if
the inode is special in fill_inode(). Also set ->i_mapping->a_ops for
it. That is pointless since the both modes won't be set for special
inode when creating EROFS filesystem image. So, let's avoid it.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We should consider the error returned by fill_inline_data() when filling
last page in fill_inode(). If not getting inode will be successful even
though last page is bad. That is illogical. Also change -EAGAIN to 0 in
fill_inline_data() to stand for successful filling.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Reviewed-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5e-updates-2019-06-28
This series adds some misc updates for mlx5e driver
1) Allow adding the same mac more than once in MPFS table
2) Move to HW checksumming advertising
3) Report netdevice MPLS features
4) Correct physical port name of the PF representor
5) Reduce stack usage in mlx5_eswitch_termtbl_create
6) Refresh TIR improvement for representors
7) Expose same physical switch_id for all representors
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2019-06-28
This series contains a smorgasbord of updates to many of the Intel
drivers.
Gustavo A. R. Silva updates the ice and iavf drivers to use the
strcut_size() helper where possible.
Miguel increases the pause and refresh time for flow control in the
e1000e driver during reset for certain devices.
Dann Frazier fixes a potential NULL pointer dereference in ixgbe driver
when using non-IPSec enabled devices.
Colin Ian King fixes a potential overflow during a shift in the ixgbe
driver. Also fixes a potential NULL pointer dereference in the iavf
driver by adding a check.
Venkatesh Srinivas converts the e1000 driver to use dma_wmb() instead of
wmb() for doorbell writes to avoid SFENCEs in the transmit and receive
paths.
Arjan updates the e1000e driver to improve boot time by over 100 msec by
reducing the usleep ranges suring system startup.
Artem updates the igb driver register dump in ethtool, first prepares
the register dump for future additions of registers in the dump, then
secondly, adds the RR2DCDELAY register to the dump. When dealing with
time-sensitive networks, this register is helpful in determining your
latency from the device to the ring.
Alex fixes the ixgbevf driver to use the current cached link state,
rather than trying to re-check the value from the PF.
Harshitha adds support for MACVLAN offloads in i40e by using channels as
MACVLAN interfaces.
Detlev Casanova updates the e1000e driver to use delayed work instead of
timers to run the watchdog.
Vitaly fixes an issue in e1000e, where when disconnecting and
reconnecting the physical cable connection, the NIC enters a DMoff
state. This state causes a mismatch in link and duplexing, so check the
PCIm function state and perform a PHY reset when in this state to
resolve the issue.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some firmware versions do not support this so use the silent variant
to send the message to firmware to suppress the harmless error. This
error message is unnecessarily alarming the user.
Fixes: afdc8a84844a ("bnxt_en: Add DCBNL DSCP application protocol support.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In an earlier commit to improve NQ reservations on 57500 chips, we
set the resv_irqs on the 57500 VFs to the fixed value assigned by
the PF regardless of how many are actually used. The current
code assumes that resv_irqs minus the ones used by the network driver
must be the ones for the RDMA driver. This is no longer true and
we may return more MSIX vectors than requested, causing inconsistency.
Fix it by capping the value.
Fixes: 01989c6b69d9 ("bnxt_en: Improve NQ reservations.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current logic assumes that the RDMA driver uses one statistics
context adjacent to the ones used by the network driver. This
assumption is not true and the statistics context used by the
RDMA driver is tied to its MSIX base vector. This wrong assumption
can cause RDMA driver failure after changing ethtool rings on the
network side. Fix the statistics reservation logic accordingly.
Fixes: 780baad44f0f ("bnxt_en: Reserve 1 stat_ctx for RDMA driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After ethtool loopback packet tests, we re-open the nic for the next
IRQ test. If the open fails, we must not proceed with the IRQ test
or we will crash with NULL pointer dereference. Fix it by checking
the bnxt_open_nic() return code before proceeding.
Reported-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>
Fixes: 67fea463fd87 ("bnxt_en: Add interrupt test to ethtool -t selftest.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some chips with older firmware can continue to perform DMA read from
context memory even after the memory has been freed. In the PCI shutdown
method, we need to call pci_disable_device() to shutdown DMA to prevent
this DMA before we put the device into D3hot. DMA memory request in
D3hot state will generate PCI fatal error. Similarly, in the driver
remove method, the context memory should only be freed after DMA has
been shutdown for correctness.
Fixes: 98f04cf0f1fc ("bnxt_en: Check context memory requirements from firmware.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Patches intended for v5.3
* Work on the new debugging framework continues;
* Update the FW API for CSI;
* Special SAR implementation for South Korea;
* Fixes in the module init error paths;
* Debugging infra work continues;
* A bunch of RF-kill fixes by Emmanuel;
* A fix for AP mode, also related to RF-kill, by Johannes.
* A few clean-ups;
* Other small fixes and improvements;
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mt76 patches for 5.3
* use NAPI polling for tx cleanup on mt7603/mt7615
* various fixes for mt7615
* unify some code between mt7603 and mt7615
* fix locking issues on mt76x02
* add support for toggling edcca on mt7603
* fix reading target tx power with ext PA on mt7603/mt7615
* fix initalizing channel maximum power
* fix rate control / tx status reporting issues on mt76x02/mt7603
* add support for eeprom calibration data from mtd on mt7615
* support configuring tx power on mt7615
* fix external PA support on mt76x0
* per-chain signal reporting on mt7615
* rx/tx buffer fixes for USB devices
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Extend event signature matching to catch more input devices emulated by
BMC firmwares, QEMU and VMware.
Signed-off-by: Alexander Tsoy <alexander@tsoy.me>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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There needs to be coordination between hid-quirks and the elan_i2c driver
about which devices are handled by what drivers. Currently, both use
whitelists, which results in valid devices being unhandled by default,
when they should not be rejected by hid-quirks. This is quickly becoming
an issue.
Since elan_i2c has a maintained whitelist of what devices it will handle,
which is now in a header file that hid-quirks can access, use that to
implement a blacklist in hid-quirks so that only the devices that need to
be handled by elan_i2c get rejected by hid-quirks, and everything else is
handled by default.
Suggested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Elan_i2c and hid-quirks work in conjunction to decide which devices each
driver will handle. Elan_i2c has a whitelist of devices that should be
consumed by hid-quirks so that there is one master list of devices to
handoff between the drivers. Put the ids in a header file so that
hid-quirks can consume it instead of duplicating the list.
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of doing conversion by hand, let's use the proper accessors.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Bring in improvements to driver for I-Force devices.
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Add the 'in_atomic' mode which can be called from an atomic context.
This mode relies on the existing 'raw' mode (no lock, no preemption/irq
disabling) with the difference that the timeout is not based on jiffies
(jiffies won't increase when irq are disabled) but handled with
busy-waiting udelay() calls.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Implement this optional ops, called by hwspinlock core while spinning on
a lock, between two successive invocations of trylock().
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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This patch introduces a new remoteproc driver to control Cortex-M4
co-processor of the STM32 family.
It provides with the following features:
- start and stop
- dedicated co-processor memory regions registration
- coredump and recovery
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
[bjorn: Fixup of dev_dbg types and cast of int to pointer in mbox send]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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DMA_API_HOWTO.txt includes an example explaining when
dma_sync_single_for_device() is not needed, and that example matches
our use case. The buffer isn't changed by the CPU and direction is
DMA_FROM_DEVICE, so we can remove the call to
dma_sync_single_for_device().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Documentation/DMA-API-HOWTO.txt states:
By default, the kernel assumes that your device can address 32-bits of
DMA addressing. For a 64-bit capable device, this needs to be increased,
and for a device with limitations, it needs to be decreased.
Therefore we don't need the 32 Bit DMA fallback configuration and can
remove it.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VLAN tag is stored in the descriptor in network byte order.
Using swab16 works on little endian host systems only. Better play safe
and use ntohs or htons respectively.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a 1ms delay after reset deactivation. Otherwise the chip returns
bogus ID value. This is observed with 88E6390 (Peridot) chip.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently bnx2x ptp worker tries to read a register with timestamp
information in case of TX packet timestamping and in case it fails,
the routine reschedules itself indefinitely. This was reported as a
kworker always at 100% of CPU usage, which was narrowed down to be
bnx2x ptp_task.
By following the ioctl handler, we could narrow down the problem to
an NTP tool (chrony) requesting HW timestamping from bnx2x NIC with
RX filter zeroed; this isn't reproducible for example with ptp4l
(from linuxptp) since this tool requests a supported RX filter.
It seems NIC FW timestamp mechanism cannot work well with
RX_FILTER_NONE - driver's PTP filter init routine skips a register
write to the adapter if there's not a supported filter request.
This patch addresses the problem of bnx2x ptp thread's everlasting
reschedule by retrying the register read 10 times; between the read
attempts the thread sleeps for an increasing amount of time starting
in 1ms to give FW some time to perform the timestamping. If it still
fails after all retries, we bail out in order to prevent an unbound
resource consumption from bnx2x.
The patch also adds an ethtool statistic for accounting the skipped
TX timestamp packets and it reduces the priority of timestamping
error messages to prevent log flooding. The code was tested using
both linuxptp and chrony.
Reported-and-tested-by: Przemyslaw Hausman <przemyslaw.hausman@canonical.com>
Suggested-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Guilherme G. Piccoli <gpiccoli@canonical.com>
Acked-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Do not wait for hwspinlock device registration if it is not available
for use.
Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct resource_table {
...
u32 offset[0];
} __packed;
Make use of the struct_size() helper instead of an open-coded version
in order to avoid any potential type mistakes.
So, replace the following form:
table->num * sizeof(table->offset[0]) + sizeof(struct resource_table)
with:
struct_size(table, offset, table->num)
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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In order to allow rproc backend to handle vendor resources such as in
OpenAMP, add a handle_rsc hook. This hook allow the rproc backends to
handle vendor resources as they like. The hook will be called only for
vendor resources and should return RSC_HANDLED on successful resource
handling, RSC_IGNORED if resource was ignored, or a negative value on
error.
Signed-off-by: Clement Leger <cleger@kalray.eu>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add a debug level trace statement in the OMAP HwSpinlock driver
probe function to print the number of hwlocks on a successful
registration.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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A HwSpinlock IP is also present on the newer TI K3 AM65x and J721E
family of SoCs within the Main NavSS sub-module. Reuse the existing
OMAP Hwspinlock driver to extend the support for this IP on K3 AM65x
SoCs as well. The IP has slightly different bit-fields in the
SYSCONFIG and SYSSTATUS registers.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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The subns increment register has 24 bits as follows:
RegBit[15:0] = Subns[23:8]; RegBit[31:24] = Subns[7:0]
Fix the same in the driver and increase sub ns resolution to the
best capable, 24 bits. This should be the case on all GEM versions
that this PTP driver supports.
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The scaled ppm parameter passed to _adjfine() contains a 16 bit
fraction. This just happens to be the same as SUBNSINCR_SIZE now.
Hence define this separately.
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds vlan offload support for the HINIC driver.
Signed-off-by: Xue Chaojing <xuechaojing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we pass pages through an iov_iter we always already have a reference
in the caller. Thus remove the ITER_BVEC_FLAG_NO_REF and don't take
reference to pages by default for bvec backed iov_iters.
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),,
dmam_alloc_coherent has already zeroed the memory.
So memset is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dmam_alloc_coherent has already zeroed the memory.
So memset is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dmam_alloc_coherent has already zeroed the memory.
So memset is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dmam_alloc_coherent has already zeroed the memory.
So memset is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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