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When all the RIF MAC profiles are in use, test that it is possible to
change the MAC of a netdev (i.e., a RIF) when its MAC profile is not
shared with other RIFs. Test that replacement fails when the MAC profile
is shared.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Verify that MAC profile changes are indeed applied and that packets are
forwarded with the correct source MAC.
Output example:
$ ./rif_mac_profiles.sh
TEST: h1->h2: new mac profile [ OK ]
TEST: h2->h1: new mac profile [ OK ]
TEST: h1->h2: edit mac profile [ OK ]
TEST: h2->h1: edit mac profile [ OK ]
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Query the maximum number of supported RIF MAC profiles using
devlink-resource and verify that all available MAC profiles can be utilized
and that an error is generated when user space tries to exceed this number.
Output example in Spectrum-2:
$ TESTS='rif_mac_profile' ./resource_scale.sh
TEST: 'rif_mac_profile' 4 [ OK ]
TEST: 'rif_mac_profile' overflow 5 [ OK ]
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Expose via devlink-resource the maximum number of RIF MAC profiles and
their current occupancy, so it can be used for debug and writing generic
tests, like in the next patch.
Example for Spectrum-2 output:
$ devlink resource show pci/0000:06:00.0
...
name rif_mac_profiles size 4 occ 0 unit entry dpipe_tables none
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, mlxsw enforces that all the router interfaces (RIFs) have the
same MAC prefix.
Relax this limitation by using RIF MAC profiles. Each profile is
associated with a particular MAC prefix and multiple RIFs can use the
same profile. Therefore, the number of possible MAC prefixes is no
longer one, but the number of profiles supported by the device.
Store the profiles in an IDR and reference count them according to the
number of RIFs using them.
Associate a RIF with a profile when the RIF is created and remove the
association when the RIF is deleted.
Change the association following 'NETDEV_CHANGEADDR' events, except when
only one RIF is using the profile. In which case, change the MAC prefix
of the profile itself instead of associating the RIF with a new profile.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The next patch will set the MAC profile of a router interface (RIF) as
part of its configure() callback. The operation can fail in case the
maximum number of profiles was exceeded.
Add extack to mlxsw_sp_rif_ops::configure() in order to communicate such
failures to user space.
In addition, the MAC profile of a RIF can change following a
'NETDEV_CHANGEADDR' notification. Propagate extack to
mlxsw_sp_router_port_change_event() so that failures could be
communicated in this path as well.
No functional changes intended.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a resource identifier for maximum RIF MAC profiles so that it could
be later used to query the information from firmware.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add MAC profile ID field to RITR register so that it could be used for
associating a RIF with a MAC profile ID by a later patch.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2021-10-25
This series contains updates to ice driver only.
Dave adds event handler for LAG NETDEV_UNREGISTER to unlink device from
link aggregate.
Yongxin Liu adds a check for PTP support during release which would
cause a call trace on non-PTP supported devices.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Westphal says:
====================
vrf: rework interaction with netfilter/conntrack
V2:
- fix 'plain integer as null pointer' warning
- reword commit message in patch 2 to clarify loss of 'ct set untracked'
This patch series aims to solve the to-be-reverted change 09e856d54bda5f288e
("vrf: Reset skb conntrack connection on VRF rcv") in a different way.
Rather than have skbs pass through conntrack and nat hooks twice, suppress
conntrack invocation if the conntrack/nat hook is called from the vrf driver.
First patch deals with 'incoming connection' case:
1. suppress NAT transformations
2. skip conntrack confirmation
NAT and conntrack confirmation is done when ip/ipv6 stack calls
the postrouting hook.
Second patch deals with local packets:
in vrf driver, mark the skbs as 'untracked', so conntrack output
hook ignores them. This skips all nat hooks as well.
Afterwards, remove the untracked state again so the second
round will pick them up.
One alternative to the chosen implementation would be to add a 'caller
id' field to 'struct nf_hook_state' and then use that, these patches
use the more straightforward check of VRF flag on the state->out device.
The two patches apply to both net and net-next, i am targeting -next
because I think that since snat did not work correctly for so long that
we can take the longer route. If you disagree, apply to net at your
discretion.
The patches apply both with 09e856d54bda5f288e reverted or still
in-place, but only with the revert in place ingress conntrack settings
(zone, notrack etc) start working again.
I've already submitted selftests for vrf+nfqueue and conntrack+vrf.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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packets
The VRF driver invokes netfilter for output+postrouting hooks so that users
can create rules that check for 'oif $vrf' rather than lower device name.
This is a problem when NAT rules are configured.
To avoid any conntrack involvement in round 1, tag skbs as 'untracked'
to prevent conntrack from picking them up.
This gets cleared before the packet gets handed to the ip stack so
conntrack will be active on the second iteration.
One remaining issue is that a rule like
output ... oif $vrfname notrack
won't propagate to the second round because we can't tell
'notrack set via ruleset' and 'notrack set by vrf driver' apart.
However, this isn't a regression: the 'notrack' removal happens
instead of unconditional nf_reset_ct().
I'd also like to avoid leaking more vrf specific conditionals into the
netfilter infra.
For ingress, conntrack has already been done before the packet makes it
to the vrf driver, with this patch egress does connection tracking with
lower/physical device as well.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VRF driver invokes netfilter for output+postrouting hooks so that users
can create rules that check for 'oif $vrf' rather than lower device name.
Afterwards, ip stack calls those hooks again.
This is a problem when conntrack is used with IP masquerading.
masquerading has an internal check that re-validates the output
interface to account for route changes.
This check will trigger in the vrf case.
If the -j MASQUERADE rule matched on the first iteration, then round 2
finds state->out->ifindex != nat->masq_index: the latter is the vrf
index, but out->ifindex is the lower device.
The packet gets dropped and the conntrack entry is invalidated.
This change makes conntrack postrouting skip the nat hooks.
Also skip confirmation. This allows the second round
(postrouting invocation from ipv4/ipv6) to create nat bindings.
This also prevents the second round from seeing packets that had their
source address changed by the nat hook.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2021-10-25
Misc updates for mlx5 driver:
1) Misc updates and cleanups:
- Don't write directly to netdev->dev_addr, From Jakub Kicinski
- Remove unnecessary checks for slow path flag in tc module
- Fix unused function warning of mlx5i_flow_type_mask
- Bridge, support replacing existing FDB entry
2) Sub Functions, Reduction in memory usage:
- Reduce flow counters bulk query buffer size
- Implement max_macs devlink parameter
- Add devlink vendor params to control Event Queue sizes
- Added SF life cycle trace points by Parav/
3) From Aya, Firmware health buffer reporting improvements
- Print health buffer by log level and more missing information
- Periodic update of host time to firmware
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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v1: Implement a more general statement as recommended by Eric Dumazet. The
sequence number will be advanced, so this check will fix the FIN case and
other cases.
A customer reported sockets stuck in the CLOSING state. A Vmcore revealed that
the write_queue was not empty as determined by tcp_write_queue_empty() but the
sk_buff containing the FIN flag had been freed and the socket was zombied in
that state. Corresponding pcaps show no FIN from the Linux kernel on the wire.
Some instrumentation was added to the kernel and it was found that there is a
timing window where tcp_sendmsg() can run after tcp_send_fin().
tcp_sendmsg() will hit an error, for example:
1269 ▹ if (sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN))↩
1270 ▹ ▹ goto do_error;↩
tcp_remove_empty_skb() will then free the FIN sk_buff as "skb->len == 0". The
TCP socket is now wedged in the FIN-WAIT-1 state because the FIN is never sent.
If the other side sends a FIN packet the socket will transition to CLOSING and
remain that way until the system is rebooted.
Fix this by checking for the FIN flag in the sk_buff and don't free it if that
is the case. Testing confirmed that fixed the issue.
Fixes: fdfc5c8594c2 ("tcp: remove empty skb from write queue in error cases")
Signed-off-by: Jon Maxwell <jmaxwell37@gmail.com>
Reported-by: Monir Zouaoui <Monir.Zouaoui@mail.schwarz>
Reported-by: Simon Stier <simon.stier@mail.schwarz>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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During a testing of an user-space application which transmits UDP
multicast datagrams and utilizes multicast routing to send the UDP
datagrams out of defined network interfaces, I've found a multicast
router does not fill-in UDP checksum into locally produced, looped-back
and forwarded UDP datagrams, if an original output NIC the datagrams
are sent to has UDP TX checksum offload enabled.
The datagrams are sent malformed out of the NIC the datagrams have been
forwarded to.
It is because:
1. If TX checksum offload is enabled on the output NIC, UDP checksum
is not calculated by kernel and is not filled into skb data.
2. dev_loopback_xmit(), which is called solely by
ip_mc_finish_output(), sets skb->ip_summed = CHECKSUM_UNNECESSARY
unconditionally.
3. Since 35fc92a9 ("[NET]: Allow forwarding of ip_summed except
CHECKSUM_COMPLETE"), the ip_summed value is preserved during
forwarding.
4. If ip_summed != CHECKSUM_PARTIAL, checksum is not calculated during
a packet egress.
The minimum fix in dev_loopback_xmit():
1. Preserves skb->ip_summed CHECKSUM_PARTIAL. This is the
case when the original output NIC has TX checksum offload enabled.
The effects are:
a) If the forwarding destination interface supports TX checksum
offloading, the NIC driver is responsible to fill-in the
checksum.
b) If the forwarding destination interface does NOT support TX
checksum offloading, checksums are filled-in by kernel before
skb is submitted to the NIC driver.
c) For local delivery, checksum validation is skipped as in the
case of CHECKSUM_UNNECESSARY, thanks to skb_csum_unnecessary().
2. Translates ip_summed CHECKSUM_NONE to CHECKSUM_UNNECESSARY. It
means, for CHECKSUM_NONE, the behavior is unmodified and is there
to skip a looped-back packet local delivery checksum validation.
Signed-off-by: Cyril Strejc <cyril.strejc@skoda.cz>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The newly added ffa_compatible_version_find() function causes a
build warning because of a variable that is never used:
drivers/firmware/arm_ffa/driver.c:180:6: error: unused variable 'compat_version' [-Werror,-Wunused-variable]
u32 compat_version;
Link: https://lore.kernel.org/r/20211026083400.3444946-1-arnd@kernel.org
Fixes: 8e3f9da608f1 ("firmware: arm_ffa: Handle compatibility with different firmware versions")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Change bulk clock frequency voting to optional bulk voting in va, rx and tx macros
to accommodate both ADSP and ADSP bypass based lpass architectures.
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Co-developed-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1635234188-7746-6-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Update mic control register default values to hardware reset values
lpass sc7280.
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Co-developed-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1635234188-7746-5-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Enable tx path soundwire mic0 and mic1 clock.
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Co-developed-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1635234188-7746-4-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Update compatible names in va, wsa, rx and tx macro codes for lpass sc7280
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Co-developed-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1635234188-7746-3-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add compatible names for sc7280 based targets in digital codec drivers
va,wsa,rx and tx.
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Co-developed-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1635234188-7746-2-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Adjust dapm widget to manage clock from power event for power saving.
Signed-off-by: David Lin <CTLIN0@nuvoton.com>
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Link: https://lore.kernel.org/r/20211025113857.3860951-3-CTLIN0@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use set_jack ops to set jack for new machine drivers. Meanwhile,
the old machine drivers can still call previous export function
"nau8825_enable_jack_detect".
Signed-off-by: David Lin <CTLIN0@nuvoton.com>
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Link: https://lore.kernel.org/r/20211025113857.3860951-2-CTLIN0@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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In case of error, the function devm_ioremap() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value
check should be replaced with NULL test.
Fixes: 2ff8a1eeb5aa ("phy: Add Sparx5 ethernet serdes PHY driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210909072149.2934047-1-yangyingliang@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The FSEL_MASK which selects the refclock is defined incorrectly.
It should be [4:6] not [5:7]. Due to this incorrect definition, the BIT(7)
in USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON0 is reset which keeps PHY analog
blocks ON during suspend.
Fix this issue by correctly defining the FSEL_MASK.
Fixes: 51e8114f80d0 ("phy: qcom-snps: Add SNPS USB PHY driver for QCOM based SOCs")
Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
Link: https://lore.kernel.org/r/1635135575-5668-1-git-send-email-quic_c_sanm@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Fix following coccicheck warning:
./drivers/phy/hisilicon/phy-hisi-inno-usb2.c:138:1-23: WARNING: Function
for_each_child_of_node should have of_node_put() before break
Early exits from for_each_child_of_node should decrement the
node reference counter.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20211015080154.16016-1-wanjiabing@vivo.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Commit f839f14e24f2 ("phy: qcom-qmp: Add sc8180x PCIe support") added
SC8180X PCIe tables, but used sm8250_qmp_pcie_serdes_tbl as a serdes
table because of the copy paste error. Commit bfccd9a71a08 ("phy:
qcom-qmp: Fix sc8180x PCIe definition") corrected part of this mistake
by pointing serdes_tbl to sc8180x_qmp_pcie_serdes_tbl, however the
serdes_tbl_num field was not updated to use sc8180x table. So let's now
fix the serdes_tbl_num field too.
Fixes: bfccd9a71a08 ("phy: qcom-qmp: Fix sc8180x PCIe definition")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211020155604.1374530-1-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add support to output received reference clock. Model the received
reference clock as an alternate parent of reference clock driver
clock. When received refclk is selected to output on cmn_refclk_p/m,
this is the internal reference clock driven on the pma_cmn_refclk_int.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Link: https://lore.kernel.org/r/20210922123735.21927-5-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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derived refclk
When reference clock driver is enabled, either derived or received refclk
is output on cmn_refclk_p/m. Update the reference clock driver
implementation by modelling reference clock driver as a "clock" with
derived reference clock set as its default parent. The support for
received reference clock will be added in a separate patch.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Link: https://lore.kernel.org/r/20210922123735.21927-4-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add clock IDs for derived and received reference clock output.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210922123735.21927-3-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Use clk_hw based provider APIs to register clks to remove the usage of
deprecated APIs.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Link: https://lore.kernel.org/r/20210922123735.21927-2-sjakhade@cadence.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Smatch complains that if of_get_address() returns NULL, then "size"
isn't initialized. Also it would lead to an Oops.
Fixes: 7f78322cdd67 ("phy: ti: gmii-sel: retrieve ports number and base offset from dt")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20210914110038.GB11657@kili
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The qmp-phy driver suggests that 'vdda-phy-supply' and 'vdda-pll-supply'
are not required for IPQ6018 and IPQ8074 QMP PCIe PHY. Update the
bindings to reflect it.
While at it, also correct the clock properties for IPQ8074 QMP PCIe PHY.
And as the result, 'qcom,ipq8074-qmp-pcie-phy' and
'qcom,ipq6018-qmp-pcie-phy' share the same clock, reset and supply
bindings.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211020130634.26194-1-shawn.guo@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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It can be necessary to adjust the phys settings to compensate parasitics.
This patch adds support of new optional properties to configure the tune
interface of the phys of stm32-usbphyc.
Properties are optional, that's why each property is skipped if not
found (-EINVAL).
Phy tuning is restored on resume because if deep low power state is
achieved, phy tuning configuration is reset.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20211015161427.220784-4-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This patch adds the description of new optional phy tuning properties
for usbphyc phy sub nodes.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211015161427.220784-3-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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UTMI switch value can be lost during suspend/resume, depending on the power
state reached.
This patch adds resume function to usbphyc, to reconfigure utmi switch
after suspend.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20211015161427.220784-2-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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With the conversion of rockchip-usb-phy.yaml a long time used fallback
string for rk3066a/rk3188 was added. The linux driver doesn't do much with
the GRF phy address range, however the u-boot driver rockchip_usb2_phy.c
does. The bits in GRF_UOC0_CON2 for rk3066a/rk3188 and rk3288 for example
don't match. Remove the usb-phy fallback string for rk3066a/rk3188
to prevent possible strange side effects.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210828111218.10026-1-jbx6244@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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On success nvmem_cell_read() returns a pointer to a dynamically allocated
buffer, and therefore it shall be freed after usage.
The issue is reported by kmemleak:
# cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff3b3803e4b280 (size 128):
comm "kworker/u16:1", pid 107, jiffies 4294892861 (age 94.120s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000007739afdc>] __kmalloc+0x27c/0x41c
[<0000000071c0fbf8>] nvmem_cell_read+0x40/0xe0
[<00000000e803ef1f>] qusb2_phy_init+0x258/0x5bc
[<00000000fc81fcfa>] phy_init+0x70/0x110
[<00000000e3d48a57>] dwc3_core_soft_reset+0x4c/0x234
[<0000000027d1dbd4>] dwc3_core_init+0x68/0x990
[<000000001965faf9>] dwc3_probe+0x4f4/0x730
[<000000002f7617ca>] platform_probe+0x74/0xf0
[<00000000a2576cac>] really_probe+0xc4/0x470
[<00000000bc77f2c5>] __driver_probe_device+0x11c/0x190
[<00000000130db71f>] driver_probe_device+0x48/0x110
[<0000000019f36c2b>] __device_attach_driver+0xa4/0x140
[<00000000e5812ff7>] bus_for_each_drv+0x84/0xe0
[<00000000f4bac574>] __device_attach+0xe4/0x1c0
[<00000000d3beb631>] device_initial_probe+0x20/0x30
[<000000008019b9db>] bus_probe_device+0xa4/0xb0
Fixes: ca04d9d3e1b1 ("phy: qcom-qusb2: New driver for QUSB2 PHY on Qcom chips")
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210922233548.2150244-1-vladimir.zapolskiy@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Enable QCM2290 USB3 PHY support by adding the qmp_phy_cfg data which are
taken from downstream kernel.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210927064829.5752-3-shawn.guo@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add support for USB3 PHY found on Qualcomm QCM2290 SoC.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210927064829.5752-2-shawn.guo@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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There are missing braces in the function that verify controller parameters,
then an error is always returned when the parameter to select Microwire
frames operation is used on devices allowing it.
Signed-off-by: Thomas Perrot <thomas.perrot@bootlin.com>
Link: https://lore.kernel.org/r/20211022142104.1386379-1-thomas.perrot@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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irq_cpu_{on,off}line() are now only used by the Octeon platform.
Make their use conditional on this plaform being enabled, and
otherwise hidden away.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20211021170414.3341522-4-maz@kernel.org
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The MIPS GIC driver uses irq_cpu_online() to go and program the
per-CPU interrupts. However, this method iterates over all IRQs
in the system, despite only 3 per-CPU interrupts being of interest.
Let's be terribly bold and do the iteration ourselves. To ensure
mutual exclusion, hold the gic_lock spinlock that is otherwise
taken while dealing with these interrupts.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20211021170414.3341522-3-maz@kernel.org
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Also loongson64 calls irq_cpu_offline(), none of its interrupt
controllers implement the .irq_cpu_offline callback.
It is thus obvious that this call only serves the dubious purpose
of wasting precious CPU cycles by iterating over all interrupts.
Get rid of the call altogether.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20211021170414.3341522-2-maz@kernel.org
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In configurations where SVE is disabled we define but never reference the
functions for retrieving the default vector length, causing warnings. Fix
this by move the ifdef up, marking get_default_vl() inline since it is
referenced from code guarded by an IS_ENABLED() check, and do the same for
the other accessors for consistency.
Reported-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211022141635.2360415-3-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
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Fixes build problems for configurations with KVM enabled but SVE disabled.
Reported-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211022141635.2360415-2-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
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Now that entry code handles IRQ entry (including setting the IRQ regs)
before calling irqchip code, irqchip code can safely call
generic_handle_domain_irq(), and there's no functional reason for it to
call handle_domain_irq().
Let's cement this split of responsibility and remove handle_domain_irq()
entirely, updating irqchip drivers to call generic_handle_domain_irq().
For consistency, handle_domain_nmi() is similarly removed and replaced
with a generic_handle_domain_nmi() function which also does not perform
any entry logic.
Previously handle_domain_{irq,nmi}() had a WARN_ON() which would fire
when they were called in an inappropriate context. So that we can
identify similar issues going forward, similar WARN_ON_ONCE() logic is
added to the generic_handle_*() functions, and comments are updated for
clarity and consistency.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
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Now that all users of CONFIG_HANDLE_DOMAIN_IRQ perform the irq entry
work themselves, we can remove the legacy
CONFIG_HANDLE_DOMAIN_IRQ_IRQENTRY behaviour.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
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In preparation for removing HANDLE_DOMAIN_IRQ_IRQENTRY, have arch/riscv
perform all the irqentry accounting in its entry code. As arch/riscv
uses GENERIC_IRQ_MULTI_HANDLER, we can use generic_handle_arch_irq() to
do so.
Since generic_handle_arch_irq() handles the irq entry and setting the
irq regs, and happens before the irqchip code calls handle_IPI(), we can
remove the redundant irq entry and irq regs manipulation from
handle_IPI().
There should be no functional change as a result of this patch.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
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In preparation for removing HANDLE_DOMAIN_IRQ_IRQENTRY, have
arch/openrisc perform all the irqentry accounting in its entry code. As
arch/openrisc uses GENERIC_IRQ_MULTI_HANDLER, we can use
generic_handle_arch_irq() to do so.
There should be no functional change as a result of this patch.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Stafford Horne <shorne@gmail.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Thomas Gleixner <tglx@linutronix.de>
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