The SMC protocol requires to send a separate consumer cursor update,
if it cannot be piggybacked to updates of the producer cursor.
Currently the decision to send a separate consumer cursor update
just considers the amount of data already received by the socket
program. It does not consider the amount of data already arrived, but
not yet consumed by the receiver. Basing the decision on the
difference between already confirmed and already arrived data
(instead of difference between already confirmed and already consumed
data), may lead to a somewhat earlier consumer cursor update send in
fast unidirectional traffic scenarios, and thus to better throughput.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Suggested-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
s390 hardware supports the definition of a so-call Physical NETwork
IDentifier (short PNETID) per network device port. These PNETIDS
can be used to identify network devices that are attached to the same
physical network (broadcast domain).
On s390 try to use the PNETID of the ethernet device port used for
initial connecting, and derive the IB device port used for SMC RDMA
traffic.
On platforms without PNETID support fall back to the existing
solution of a configured pnet table.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For SMC it is important to know the current port state of RoCE devices.
Monitoring port states has been triggered, when a RoCE device was added
to the pnet table. To support future alternatives to the pnet table the
monitoring of ports is made independent of the existence of a pnet table.
It starts once the smc_ib_device is established.
Due to this change smc_ib_remember_port_attr() is now a local function
and shuffling its location and the location of its used functions
makes any forward references obsolete.
And the duplicate SMC_MAX_PORTS definition is removed.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Petr Machata says:
====================
Fixes for running mirror-to-gretap tests on veth
The forwarding selftests infrastructure makes it possible to run the
individual tests on a purely software netdevices. Names of interfaces to
run the test with can be passed as command line arguments to a test.
lib.sh then creates veth pairs backing the interfaces if none exist in
the system.
However, the tests need to recognize that they might be run on a soft
device. Many mirror-to-gretap tests are buggy in this regard. This patch
set aims to fix the problems in running mirror-to-gretap tests on veth
devices.
In patch #1, a service function is split out of setup_wait().
In patch #2, installing a trap is made optional.
In patch #3, tc filters in several tests are tweaked to work with veth.
In patch #4, the logic for waiting for neighbor is fixed for veth.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When running the test on soft devices, there's no mechanism to
gratuitously start resolving the neighbor for remote tunnel endpoint.
So instead of passively waiting, wait for the device to be up, and then
probe the neighbor with a ping.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When running mirror_gre_bridge_1d_vlan tests on veth, several issues
cause spurious failures:
- vlan_ethtype should be ip, not ipv6 even in mirror-to-ip6gretap case,
because the overlay packet is still IPv4.
- Similarly ip_proto matches the innermost IP protocol, so can't be used
to filter out GRE packet. Drop the corresponding condition.
- Because the above fixes the filters to match in slow path as well,
they need to be made skip_hw so as not to double-count packets.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are several cases where traffic that would normally be forwarded
in silicon needs to be observed in slow path. That's achieved by
trapping such traffic, and the functions trap_install() and
trap_uninstall() realize that. However, such treatment is obviously
wrong if the device in question is actually a soft device not backed by
an ASIC.
Therefore try to trap if possible, but fall back to inserting a continue
if not.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Split out of setup_wait() a function setup_wait_dev() that waits for a
single device. This gives tests the opportunity to wait for a selected
device after they tinkered with its upness.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
alloc_skb_with_frags uses __GFP_NORETRY for non-sleeping allocations
which is just a noop and a little bit confusing.
__GFP_NORETRY was added by ed98df3361 ("net: use __GFP_NORETRY for
high order allocations") to prevent from the OOM killer. Yet this was
not enough because fb05e7a89f ("net: don't wait for order-3 page
allocation") didn't want an excessive reclaim for non-costly orders
so it made it completely NOWAIT while it preserved __GFP_NORETRY in
place which is now redundant.
Drop the pointless __GFP_NORETRY because this function is used as
copy&paste source for other places.
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Radhey Shyam Pandey says:
====================
Fixes coding style in xilinx_emaclite.c
This patchset fixes checkpatch and kernel-doc warnings in
xilinx emaclite driver. No functional change.
Changes from v2:
-In 2/5 patch refactor if-else to make failure path return early.
-In 2/5 patch coalesce the format onto a single line and add the
missing space after the comma.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes below checkpatch checks-
CHECK: spaces preferred around that '*' (ctx:VxV)
CHECK: No space is necessary after a cast
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes below checkpatch warnings-
WARNING: Block comments use a trailing */ on a separate line
WARNING: Block comments use * on subsequent lines
WARNING: networking block comments don't use an empty /* line,
use /* Comment
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes below kernel-doc warnings:
Function parameter or member 'maxlen' not described in 'xemaclite_recv_data'
Function parameter or member 'address'not described in 'xemaclite_set_mac_address'
Excess function parameter 'addr' description in 'xemaclite_set_mac_address'
No description found for return value of 'xemaclite_interrupt'
No description found for return value of 'xemaclite_mdio_write'
Function parameter or member 'dev' not described in 'xemaclite_mdio_setup'
Excess function parameter 'ofdev' description in 'xemaclite_mdio_setup'
No description found for return value of 'xemaclite_open'
No description found for return value of 'xemaclite_close'
Excess function parameter 'match' description in 'xemaclite_of_probe'
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove else as it is not required with if doing a return.
It also coalesce the format onto a single line and add the
missing space after the comma. Fixes below checkpatch warning-
WARNING: else is not generally useful after a break or return
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Switch hardcoded function name with a reference to __func__ making
the code more maintainable. Address below checkpatch warning:
WARNING: Prefer using '"%s...", __func__' to using 'xemaclite_mdio_read',
this function's name, in a string
+ "xemaclite_mdio_read(phy_id=%i, reg=%x) == %x\n",
WARNING: Prefer using '"%s...", __func__' to using 'xemaclite_mdio_write',
this function's name, in a string
+ "xemaclite_mdio_write(phy_id=%i, reg=%x, val=%x)\n",
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Maxime Chevallier says:
====================
net: mvpp2: Add big-endian support
This series allows to use PPv2 on system built as big endian.
The first patch fixes the way we represent TX and RX descriptors, so that
they used fixed little endianness as expected by the PPv2 controller.
The second reworks the way we handle the software representation of the
Header Parser entries, so that we don't use a union of arrays.
The last two patches fixes some incorrect byte swapping logic, that wen't
un-noticed on little-endian.
This whole series doesn't fix any existing bug for little-endian systems, and
since big-endian never worked for this driver, I didn't include 'fixes' tags.
This was tested on MacchiatoBin (Armada 8040).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When checking the skb->protocol field, we have to make sure we use the
proper endianness using htons, and not swab16.
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vlan IDs must not be swapped when creating Header Parser entries. This
has no effect on little-endian systems, but is wrong for big-endian.
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
PPv2's Header Parser use some large TCAM and SRAM entries, that are
duplicated in software so that we can write them to hardware only when
we are done modifying them.
Currently, PPv2 uses a union containing arrays of u32 and u8 to represent
these entries, to facilitate byte per byte access. This representation is
broken when we want to support big endian, and this makes the code
confusing to read.
This patch drops the union, and simply stores the TCAM and SRAM entries
as u32 arrays, each entry corresponding to a 32-bit register.
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The PPv2 controller always expect descriptors to be in little endian. We
must therefore force descriptors to use that format, and convert to the
host endianness when necessary.
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Madalin Bucur says:
====================
DPAA fixes
A couple of fixes for the DPAA drivers, addressing an issue
with short UDP or TCP frames (with padding) that were marked
as having a wrong checksum and dropped by the FMan hardware
and a problem with the buffer used for the scatter-gather
table being too small as per the hardware requirements.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The DPAA HW requires that at least 256 bytes from the start of the
first scatter-gather table entry are allocated and accessible. The
hardware reads the maximum size the table can have in one access,
thus requiring that the allocation and mapping to be done for the
maximum size of 256B even if there is a smaller number of entries
in the table.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The FMan hardware parser needs to be configured to remove the
short frame padding from the checksum calculation, otherwise
short UDP and TCP frames are likely to be marked as having a
bad checksum.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Driver performs the internal reload when it receives tx-timeout event from
the OS. Internal reload might fail in some scenarios e.g., fatal HW issues.
In such cases OS still see the link, which would result in undesirable
functionalities such as re-generation of tx-timeouts.
The patch addresses this issue by indicating the link-down to OS when
tx-timeout is detected, and keeping the link in down state till the
internal reload is successful.
Please consider applying it to 'net' branch.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Static checkers complain that id_tbl->table points to longs and 4 bytes
is smaller than sizeof(long). But the since other side is dividing by
32 instead of sizeof(long), that means the current code works fine.
Anyway, it's more conventional to use the BITS_TO_LONGS() macro when
we're allocating a bitmap.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The code assumes that there is 4 bytes in a pointer and it doesn't
allocate enough memory.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When sk_rmem_alloc is larger than the receive buffer and we can't
schedule more memory for it, the skb will be dropped.
In above situation, if this skb is put into the ofo queue,
LINUX_MIB_TCPOFODROP is incremented to track it.
While if this skb is put into the receive queue, there's no record.
So a new SNMP counter is introduced to track this behavior.
LINUX_MIB_TCPRCVQDROP: Number of packets meant to be queued in rcv queue
but dropped because socket rcvbuf limit hit.
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fast Open key could be stored in different endian based on the CPU.
Previously hosts in different endianness in a server farm using
the same key config (sysctl value) would produce different cookies.
This patch fixes it by always storing it as little endian to keep
same API for LE hosts.
Reported-by: Daniele Iamartino <danielei@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds support for CBS reconfiguration using the TC application.
A new callback was added to TC ops struct and another one to DMA ops to
reconfigure the channel mode.
Tested in GMAC5.10.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Vitor Soares <soares@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Two regression fixes, and a new syscall wire-up.
A fix for the recent conversion to time64_t in the powermac RTC routines, which
caused time to go backward.
Another fix for fallout from the split PMD PTL conversion.
Wire up the new io_pgetevents() syscall.
Thanks to:
Aneesh Kumar K.V, Arnd Bergmann, Breno Leitao, Mathieu Malaterre.
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Merge tag 'powerpc-4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Two regression fixes, and a new syscall wire-up:
- A fix for the recent conversion to time64_t in the powermac RTC
routines, which caused time to go backward.
- Another fix for fallout from the split PMD PTL conversion.
- Wire up the new io_pgetevents() syscall.
Thanks to: Aneesh Kumar K.V, Arnd Bergmann, Breno Leitao, Mathieu
Malaterre"
* tag 'powerpc-4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powermac: Fix rtc read/write functions
powerpc/mm/32: Fix pgtable_page_dtor call
powerpc: Wire up io_pgetevents
pci_get_rom_size() is called only from pci_map_rom(), so it can be static.
Make it static and remove the declaration from include/linux/pci.h.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
If the "last image" indicator was not set in the PCI data struct, print "No
more image in the PCI ROM" instead of looping back and printing "Invalid
PCI ROM header signature".
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
pci_get_rom_size() accepts the base and size of the ROM BAR as arguments.
The byte at "rom + size" is the first byte *past* the ROM, so change ">" to
">=" to avoid accessing beyond the actual length of the ROM BAR.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Add a quirk for the Microsemi Switchtec parts to allow DMA access via
non-transparent bridging to work when the IOMMU is turned on.
This exclusively addresses the ability of a remote NT endpoint to perform
DMA accesses through the locally enumerated NT endpoint. Other aspects of
the Switchtec NTB functionality, such as interrupts for doorbells and
messages are independent of this quirk, and will work whether the IOMMU is
on or off.
When a requestor on one NT endpoint accesses memory on another NT endpoint,
it does this via a devfn proxy ID. Proxy IDs are statically assigned to
each NT endpoint by the NTB hardware as part of the release-from-reset
sequence prior to PCI enumeration. These proxy IDs cannot be modified
dynamically, and are not visible to the host during enumeration.
When the Switchtec NTB driver loads it will map local requestor IDs, such
as the root complex and transparent bridge DMA engines, to proxy IDs by
populating those requestor IDs in hardware mapping table table entries.
This establishes a fixed relationship between a requestor ID and a proxy
ID.
When a peer on a remote NT endpoint performs an access within a particular
translation window in it's NT endpoint BAR address space, that access is
translated to a DMA request on the local endpoint's bus. As part of the
translation process, the original requestor ID has its devfn replaced with
the proxy ID, and the bus portion of the BDF is replaced with the bus of
the local NT endpoint. Thus, the DMA access from a remote NT endpoint will
appear on the local bus to have come from the unknown devfn which the IOMMU
will reject.
Interrogate NTB hardware registers for each remote NT endpoint to obtain
the proxy IDs that have been assigned to it and alias them to the local
(enumerated) NT endpoint's device. The IOMMU then accepts the remote proxy
IDs as if they were requests coming directly from the enumerated endpoint,
giving remote requestors access to memory resources which the local host
has made available.
Note that the aliasing of the proxy IDs cannot be performed at the driver
level given the current IOMMU architecture. Superficially this is because
pci_add_dma_alias() symbol is not exported. Functionally, the current
IOMMU design requires the aliasing to be performed prior to the creation of
IOMMU groups. If a driver were to attempt to use pci_add_dma_alias() in
its probe routine it would fail since the IOMMU groups have been set up by
that time. If the Switchtec hardware supported dynamic proxy ID
(re-)assignment this would be an issue, but it does not.
To further clarify static proxy ID assignment: While the requester ID to
proxy ID mapping can be dynamically changed, the number and value of proxy
IDs given to an NT EP cannot, even for dynamic reconfiguration such as
hot-add. Therefore, the chip configuration must account a priori for the
proxy IDs needs, considering both static and dynamic system configurations.
For example, a port on the chip may not having anything plugged into it at
start of day; but it must have a sufficient number of proxy IDs assigned to
accommodate the supported devices which may be hot-added.
Switchtec NTB functionality with the IOMMU off is unchanged by this quirk.
Signed-off-by: Doug Meyer <dmeyer@gigaio.com>
[bhelgaas: use hard-coded Device IDs instead of adding #defines for each]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Move the Microsemi Switchtec PCI Vendor ID (same as
PCI_VENDOR_ID_PMC_Sierra) to pci_ids.h. Also, replace Microsemi class
constants with the standard PCI definitions.
Signed-off-by: Doug Meyer <dmeyer@gigaio.com>
[bhelgaas: restore SPDX (I assume it was removed by mistake), remove
device ID definitions]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Move early dump functionality into common code so that it is available for
all architectures. No need to carry arch-specific reads around as the read
hooks are already initialized by the time pci_setup_device() is getting
called during scan.
Tested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cleanup PCI_REBAR_CTRL_BAR_SHIFT handling. That was hard coded instead of
properly defined in the header for some reason.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Resize BARs after resume to the expected size again.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199959
Fixes: d6895ad39f ("drm/amdgpu: resize VRAM BAR for CPU access v6")
Fixes: 276b738deb ("PCI: Add resizable BAR infrastructure")
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # v4.15+
Enable CONFIG_MMC_SDHCI_OMAP so that TI's K2G SoC
can use sdhci-omap driver for MMC/SD controller.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Use sdhci-omap programming model based on the generic sdhci
library for programming the MMC/SD controller.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Add "vqmmc-supply" property for mmc0/mmc1 to indicate the supply connected
to the IO lines. Also add dt node for ldo1 regulator required for mmc1
vqmmc-supply.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
While debugging we may want to examine params passed to GuC.
v2: drop #ifdef DEBUG_GUC - Michal
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com> #1
Cc: Michal Winiarski <michal.winiarski@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180618111821.47088-1-michal.wajdeczko@intel.com
and fixes interrupt property for DA850 SoC GPIO as defined in
device-tree.
Both of these are not introduced with v4.18 merge but have
existed prior.
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Merge tag 'davinci-fixes-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
This fixes polarity of SD card write-protect pin on DA850 EVM
and fixes interrupt property for DA850 SoC GPIO as defined in
device-tree.
Both of these are not introduced with v4.18 merge but have
existed prior.
* tag 'davinci-fixes-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: dts: da850: Fix interrups property for gpio
ARM: davinci: board-da850-evm: fix WP pin polarity for MMC/SD
Signed-off-by: Olof Johansson <olof@lixom.net>
- Added power capabilities for the mmc host controller on the
hikey and hikey960 boards to avoid broken wifi.
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Merge tag 'hisi-fixes-for-4.18' of git://github.com/hisilicon/linux-hisi into fixes
ARM64: hisi fixes for 4.18
- Added power capabilities for the mmc host controller on the
hikey and hikey960 boards to avoid broken wifi.
* tag 'hisi-fixes-for-4.18' of git://github.com/hisilicon/linux-hisi:
arm64: dts: hikey960: Define wl1837 power capabilities
arm64: dts: hikey: Define wl1835 power capabilities
Signed-off-by: Olof Johansson <olof@lixom.net>
This allows panels or bridges that need to send DSI commands during
pre_enable() to successfully send them. We delay DISP0 (aka the
actual display) enabling until after pre_enable so that pixels aren't
streaming before then.
v2: Just clear out the encoder->bridge value to disable the midlayer
calls (idea by Andrzej Hajda).
Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180621231759.29604-1-eric@anholt.net
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Improve uverbs_cleanup_ucontext algorithm to work properly when the
topology graph of the objects cannot be determined at compile time. This
is the case with objects created via the devx interface in mlx5.
Typically uverbs objects must be created in a strict topologically sorted
order, so that LIFO ordering will generally cause them to be freed
properly. There are only a few cases (eg memory windows) where objects can
point to things out of the strict LIFO order.
Instead of using an explicit ordering scheme where the HW destroy is not
allowed to fail, go over the list multiple times and allow the destroy
function to fail. If progress halts then a final, desperate, cleanup is
done before leaking the memory. This indicates a driver bug.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Since there are adapters that have four ports, increase the size of
the srpt_device.port[] array. This patch avoids that the following
warning is hit with quad port Chelsio adapters:
WARN_ON(sdev->device->phys_port_cnt > ARRAY_SIZE(sdev->port));
Reported-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Steve Wise <swise@opengridcomputing.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: <stable@vger.kernel.org>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
