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Diogo Ivo says
====================
Enable PTP timestamping/PPS for AM65x SR1.0 devices
This patch series enables support for PTP in AM65x SR1.0 devices.
This feature relies heavily on the Industrial Ethernet Peripheral
(IEP) hardware module, which implements a hardware counter through
which time is kept. This hardware block is the basis for exposing
a PTP hardware clock to userspace and for issuing timestamps for
incoming/outgoing packets, allowing for time synchronization.
The IEP also has compare registers that fire an interrupt when the
counter reaches the value stored in a compare register. This feature
allows us to support PPS events in the kernel.
The changes are separated into five patches:
- PATCH 01/05: Register SR1.0 devices with the IEP infrastructure to
expose a PHC clock to userspace, allowing time to be
adjusted using standard PTP tools. The code for issuing/
collecting packet timestamps is already present in the
current state of the driver, so only this needs to be
done.
- PATCH 02/05: Remove unnecessary spinlock synchronization.
- PATCH 03/05: Document IEP interrupt in DT binding.
- PATCH 04/05: Add support for IEP compare event/interrupt handling
to enable PPS events.
- PATCH 05/05: Add the interrupts to the IOT2050 device tree.
Currently every compare event generates two interrupts, the first
corresponding to the actual event and the second being a spurious
but otherwise harmless interrupt. The root cause of this has been
identified and has been solved in the platform's SDK. A forward port
of the SDK's patches also fixes the problem in upstream but is not
included here since it's upstreaming is out of the scope of this
series. If someone from TI would be willing to chime in and help
get the interrupt changes upstream that would be great!
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
---
Changes in v4:
- Remove unused 'flags' variables in patch 02/05
- Add patch 03/05 describing IEP interrupt in DT binding
- Link to v3: https://lore.kernel.org/r/20240607-iep-v3-0-4824224105bc@siemens.com
Changes in v3:
- Collect Reviewed-by tags
- Add patch 02/04 removing spinlocks from IEP driver
- Use mutex-based synchronization when accessing HW registers
- Link to v2: https://lore.kernel.org/r/20240604-iep-v2-0-ea8e1c0a5686@siemens.com
Changes in v2:
- Collect Reviewed-by tags
- PATCH 01/03: Limit line length to 80 characters
- PATCH 02/03: Proceed with limited functionality if getting IRQ fails,
limit line length to 80 characters
- Link to v1: https://lore.kernel.org/r/20240529-iep-v1-0-7273c07592d3@siemens.com
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the interrupts needed for PTP Hardware Clock support via IEP
in SR1.0 devices.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The IEP module supports compare events, in which a value is written to a
hardware register and when the IEP counter reaches the written value an
interrupt is generated. Add handling for this interrupt in order to
support PPS events.
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The IEP interrupt is used in order to support both capture events, where
an incoming external signal gets timestamped on arrival, and compare
events, where an interrupt is generated internally when the IEP counter
reaches a programmed value.
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As all sources of concurrency in hardware register access occur in
non-interrupt context eliminate spinlock-based synchronization and
rely on the mutex-based synchronization that is already present.
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enable PTP support for AM65x SR1.0 devices by registering with the IEP
infrastructure in order to expose a PTP clock to userspace.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Heng Qi says:
====================
virtio_net: fixes for checksum offloading and XDP handling
This series of patches aim to address two specific issues identified
in the virtio_net driver related to checksum offloading and XDP
processing of fully checksummed packets.
The first patch corrects the handling of checksum offloading in the
driver. The second patch addresses an issue where the XDP program had
no trouble with fully checksummed packets.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The XDP program can't correctly handle partially checksummed
packets, but works fine with fully checksummed packets. If the
device has already validated fully checksummed packets, then
the driver doesn't need to re-validate them, saving CPU resources.
Additionally, the driver does not drop all partially checksummed
packets when VIRTIO_NET_F_GUEST_CSUM is not negotiated. This is
not a bug, as the driver has always done this.
Fixes: 436c9453a1ac ("virtio-net: keep vnet header zeroed after processing XDP")
Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In virtio spec 0.95, VIRTIO_NET_F_GUEST_CSUM was designed to handle
partially checksummed packets, and the validation of fully checksummed
packets by the device is independent of VIRTIO_NET_F_GUEST_CSUM
negotiation. However, the specification erroneously stated:
"If VIRTIO_NET_F_GUEST_CSUM is not negotiated, the device MUST set flags
to zero and SHOULD supply a fully checksummed packet to the driver."
This statement is inaccurate because even without VIRTIO_NET_F_GUEST_CSUM
negotiation, the device can still set the VIRTIO_NET_HDR_F_DATA_VALID flag.
Essentially, the device can facilitate the validation of these packets'
checksums - a process known as RX checksum offloading - removing the need
for the driver to do so.
This scenario is currently not implemented in the driver and requires
correction. The necessary specification correction[1] has been made and
approved in the virtio TC vote.
[1] https://lists.oasis-open.org/archives/virtio-comment/202401/msg00011.html
Fixes: 4f49129be6fa ("virtio-net: Set RXCSUM feature if GUEST_CSUM is available")
Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After ecf848eb934b ("net: usb: ax88179_178a: fix link status when link is
set to down/up") to not reset from usbnet_open after the reset from
usbnet_probe at initialization stage to speed up this, some issues have
been reported.
It seems to happen that if the initialization is slower, and some time
passes between the probe operation and the open operation, the second reset
from open is necessary too to have the device working. The reason is that
if there is no activity with the phy, this is "disconnected".
In order to improve this, the solution is to detect when the phy is
"disconnected", and we can use the phy status register for this. So we will
only reset the device from reset operation in this situation, that is, only
if necessary.
The same bahavior is happening when the device is stopped (link set to
down) and later is restarted (link set to up), so if the phy keeps working
we only need to enable the mac again, but if enough time passes between the
device stop and restart, reset is necessary, and we can detect the
situation checking the phy status register too.
cc: stable@vger.kernel.org # 6.6+
Fixes: ecf848eb934b ("net: usb: ax88179_178a: fix link status when link is set to down/up")
Reported-by: Yongqin Liu <yongqin.liu@linaro.org>
Reported-by: Antje Miederhöfer <a.miederhoefer@gmx.de>
Reported-by: Arne Fitzenreiter <arne_f@ipfire.org>
Tested-by: Yongqin Liu <yongqin.liu@linaro.org>
Tested-by: Antje Miederhöfer <a.miederhoefer@gmx.de>
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit
6791e0ea3071 ("x86/resctrl: Access per-rmid structures by index")
adds logic to map individual monitoring groups into a global index space used
for tracking allocated RMIDs.
Attempts to free the default RMID are ignored in free_rmid(), and this works
fine on x86.
With arm64 MPAM, there is a latent bug here however: on platforms with no
monitors exposed through resctrl, each control group still gets a different
monitoring group ID as seen by the hardware, since the CLOSID always forms part
of the monitoring group ID.
This means that when removing a control group, the code may try to free this
group's default monitoring group RMID for real. If there are no monitors
however, the RMID tracking table rmid_ptrs[] would be a waste of memory and is
never allocated, leading to a splat when free_rmid() tries to dereference the
table.
One option would be to treat RMID 0 as special for every CLOSID, but this would
be ugly since bookkeeping still needs to be done for these monitoring group IDs
when there are monitors present in the hardware.
Instead, add a gating check of resctrl_arch_mon_capable() in free_rmid(), and
just do nothing if the hardware doesn't have monitors.
This fix mirrors the gating checks already present in
mkdir_rdt_prepare_rmid_alloc() and elsewhere.
No functional change on x86.
[ bp: Massage commit message. ]
Fixes: 6791e0ea3071 ("x86/resctrl: Access per-rmid structures by index")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Tested-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lore.kernel.org/r/20240618140152.83154-1-Dave.Martin@arm.com
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Since commit 2282679fb20b ("mm: submit multipage write for SWP_FS_OPS
swap-space"), we can plug multiple pages then unplug them all together.
That means iov_iter_count(iter) could be way bigger than PAGE_SIZE, it
actually equals the size of iov_iter_npages(iter, INT_MAX).
Note this issue has nothing to do with large folios as we don't support
THP_SWPOUT to non-block devices.
Fixes: 2282679fb20b ("mm: submit multipage write for SWP_FS_OPS swap-space")
Reported-by: Christoph Hellwig <hch@lst.de>
Closes: https://lore.kernel.org/linux-mm/20240614100329.1203579-1-hch@lst.de/
Cc: NeilBrown <neilb@suse.de>
Cc: Anna Schumaker <anna@kernel.org>
Cc: Steve French <sfrench@samba.org>
Cc: Trond Myklebust <trondmy@kernel.org>
Cc: Chuanhua Han <hanchuanhua@oppo.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Paulo Alcantara <pc@manguebit.com>
Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Cc: Shyam Prasad N <sprasad@microsoft.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Bharath SM <bharathsm@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Barry Song <v-songbaohua@oppo.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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As defined by the MANA Hardware spec, the queue size for DMA is 4KB
minimal, and power of 2. And, the HWC queue size has to be exactly
4KB.
To support page sizes other than 4KB on ARM64, define the minimal
queue size as a macro separately from the PAGE_SIZE, which we always
assumed it to be 4KB before supporting ARM64.
Also, add MANA specific macros and update code related to size
alignment, DMA region calculations, etc.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/1718655446-6576-1-git-send-email-haiyangz@microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Kamal Heib says:
====================
net/mlx4_en: Use ethtool_puts/sprintf
This patchset updates the mlx4_en driver to use the ethtool_puts and
ethtool_sprintf helper functions.
Signed-off-by: Kamal Heib <kheib@redhat.com>
====================
Link: https://lore.kernel.org/r/20240617172329.239819-1-kheib@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use the ethtool_puts/ethtool_sprintf helper to print the stats strings
into the ethtool strings interface.
Signed-off-by: Kamal Heib <kheib@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240617172329.239819-4-kheib@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use the ethtool_puts helper to print the selftest strings into the
ethtool strings interface.
Signed-off-by: Kamal Heib <kheib@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240617172329.239819-3-kheib@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use the ethtool_puts helper to print the priv flags strings into the
ethtool strings interface.
Signed-off-by: Kamal Heib <kheib@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240617172329.239819-2-kheib@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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commit be27b8965297 ("net: stmmac: replace priv->speed with
the portTransmitRate from the tc-cbs parameters") introduced
a problem. When deleting, it prompts "Invalid portTransmitRate
0 (idleSlope - sendSlope)" and exits. Add judgment on cbs.enable.
Only when offload is enabled, speed divider needs to be calculated.
Fixes: be27b8965297 ("net: stmmac: replace priv->speed with the portTransmitRate from the tc-cbs parameters")
Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240617013922.1035854-1-xiaolei.wang@windriver.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Get master/slave configuration for initial system start with the link in
down state. This ensures ethtool shows current configuration. Also
fixes link reconfiguration with ethtool while in down state, preventing
ethtool from displaying outdated configuration.
Even though dp83tg720_config_init() is executed periodically as long as
the link is in admin up state but no carrier is detected, this is not
sufficient for the link in admin down state where
dp83tg720_read_status() is not periodically executed. To cover this
case, we need an extra read role configuration in
dp83tg720_config_aneg().
Fixes: cb80ee2f9bee1 ("net: phy: Add support for the DP83TG720S Ethernet PHY")
Cc: stable@vger.kernel.org
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20240614094516.1481231-2-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In case this PHY is bootstrapped for managed mode, we need to manually
wake it. Otherwise no link will be detected.
Cc: stable@vger.kernel.org
Fixes: cb80ee2f9bee1 ("net: phy: Add support for the DP83TG720S Ethernet PHY")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20240614094516.1481231-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Milkv Duo does not have a write-protect pin, so disable write protect
to prevent SDcards misdetected as read-only.
Fixes: 89a7056ed4f7 ("riscv: dts: sophgo: add sdcard support for milkv duo")
Signed-off-by: Haylen Chu <heylenay@outlook.com>
Link: https://lore.kernel.org/r/SEYPR01MB4221943C7B101DD2318DA0D3D7CE2@SEYPR01MB4221.apcprd01.prod.exchangelabs.com
Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
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When CXL subsystem is auto-assembling a pmem region during cxl
endpoint port probing, always hit below calltrace.
BUG: kernel NULL pointer dereference, address: 0000000000000078
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
RIP: 0010:cxl_pmem_region_probe+0x22e/0x360 [cxl_pmem]
Call Trace:
<TASK>
? __die+0x24/0x70
? page_fault_oops+0x82/0x160
? do_user_addr_fault+0x65/0x6b0
? exc_page_fault+0x7d/0x170
? asm_exc_page_fault+0x26/0x30
? cxl_pmem_region_probe+0x22e/0x360 [cxl_pmem]
? cxl_pmem_region_probe+0x1ac/0x360 [cxl_pmem]
cxl_bus_probe+0x1b/0x60 [cxl_core]
really_probe+0x173/0x410
? __pfx___device_attach_driver+0x10/0x10
__driver_probe_device+0x80/0x170
driver_probe_device+0x1e/0x90
__device_attach_driver+0x90/0x120
bus_for_each_drv+0x84/0xe0
__device_attach+0xbc/0x1f0
bus_probe_device+0x90/0xa0
device_add+0x51c/0x710
devm_cxl_add_pmem_region+0x1b5/0x380 [cxl_core]
cxl_bus_probe+0x1b/0x60 [cxl_core]
The cxl_nvd of the memdev needs to be available during the pmem region
probe. Currently the cxl_nvd is registered after the endpoint port probe.
The endpoint probe, in the case of autoassembly of regions, can cause a
pmem region probe requiring the not yet available cxl_nvd. Adjust the
sequence so this dependency is met.
This requires adding a port parameter to cxl_find_nvdimm_bridge() that
can be used to query the ancestor root port. The endpoint port is not
yet available, but will share a common ancestor with its parent, so
start the query from there instead.
Fixes: f17b558d6663 ("cxl/pmem: Refactor nvdimm device registration, delete the workqueue")
Co-developed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Li Ming <ming4.li@intel.com>
Tested-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://patch.msgid.link/20240612064423.2567625-1-ming4.li@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
- filesystems: warn_unused_result warnings
- seccomp: format-zero-length warnings
- fchmodat2: clang build warnings due to-static-libasan
- openat2: clang build warnings due to static-libasan, LOCAL_HDRS
* tag 'linux_kselftest-fixes-6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/fchmodat2: fix clang build failure due to -static-libasan
selftests/openat2: fix clang build failures: -static-libasan, LOCAL_HDRS
selftests: seccomp: fix format-zero-length warnings
selftests: filesystems: fix warn_unused_result build warnings
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openvswitch.sh makes use of substitutions of the form ${ns:0:1}, to
obtain the first character of $ns. Empirically, this is works with bash
but not dash. When run with dash these evaluate to an empty string and
printing an error to stdout.
# dash -c 'ns=client; echo "${ns:0:1}"' 2>error
# cat error
dash: 1: Bad substitution
# bash -c 'ns=client; echo "${ns:0:1}"' 2>error
c
# cat error
This leads to tests that neither pass nor fail.
F.e.
TEST: arp_ping [START]
adding sandbox 'test_arp_ping'
Adding DP/Bridge IF: sbx:test_arp_ping dp:arpping {, , }
create namespaces
./openvswitch.sh: 282: eval: Bad substitution
TEST: ct_connect_v4 [START]
adding sandbox 'test_ct_connect_v4'
Adding DP/Bridge IF: sbx:test_ct_connect_v4 dp:ct4 {, , }
./openvswitch.sh: 322: eval: Bad substitution
create namespaces
Resolve this by making openvswitch.sh a bash script.
Fixes: 918423fda910 ("selftests: openvswitch: add an initial flow programming case")
Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Link: https://lore.kernel.org/r/20240617-ovs-selftest-bash-v1-1-7ae6ccd3617b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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On 32bit systems, the "4 * max" multiply can overflow. Use kcalloc()
to do the allocation to prevent this.
Fixes: 44c494c8e30e ("ptp: track available ptp vclocks information")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Heng Qi <hengqi@linux.alibaba.com>
Link: https://lore.kernel.org/r/ee8110ed-6619-4bd7-9024-28c1f2ac24f4@moroto.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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While adding a SPI device, the SPI core ensures that multiple logical CS
doesn't map to the same physical CS. For example, spi->chip_select[0] !=
spi->chip_select[1] and so forth. However, unlike the SPI master, the SPI
slave doesn't have the list of chip selects, this leads to probe failure
when the SPI controller is configured as slave. Update the
__spi_add_device() function to perform this check only if the SPI
controller is configured as master.
Fixes: 4d8ff6b0991d ("spi: Add multi-cs memories support in SPI core")
Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@amd.com>
Link: https://msgid.link/r/20240617153052.26636-1-amit.kumar-mahapatra@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Dell SKU 0C64 has a single rt1318 amplifier.
The prefix name of control still needs to be set rt1318-1 corresponding to UCM config.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://msgid.link/r/20240612075740.1678082-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Hardcoding the number of CPUs at compile time does improve code
generation, but if you get it wrong the result will be confusion.
We already limited this earlier to only "experts" (see commit
fe5759d5bfda "cpumask: limit visibility of FORCE_NR_CPUS"), but with
distro kernel configs often having EXPERT enabled, that turns out to not
be much of a limit.
To quote the philosophers at Disney: "Everyone can be an expert. And
when everyone's an expert, no one will be".
There's a runtime warning if you then set nr_cpus to anything but the
forced number, but apparently that can be ignored too [1] and by then
it's pretty much too late anyway.
If we had some real way to limit this to "embedded only", maybe it would
be worth it, but let's see if anybody even notices that the option is
gone. We need to simplify kernel configuration anyway.
Link: https://lore.kernel.org/all/20240618105036.208a8860@rorschach.local.home/ [1]
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Paul McKenney <paulmck@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
Bail from outer address space loop, not just the inner memslot loop, when
a "null" handler is encountered by __kvm_handle_hva_range(), which is the
intended behavior. On x86, which has multiple address spaces thanks to
SMM emulation, breaking from just the memslot loop results in undefined
behavior due to assigning the non-existent return value from kvm_null_fn()
to a bool.
In practice, the bug is benign as kvm_mmu_notifier_invalidate_range_end()
is the only caller that passes handler=kvm_null_fn, and it doesn't set
flush_on_ret, i.e. assigning garbage to r.ret is ultimately ignored. And
for most configuration the compiler elides the entire sequence, i.e. there
is no undefined behavior at runtime.
------------[ cut here ]------------
UBSAN: invalid-load in arch/x86/kvm/../../../virt/kvm/kvm_main.c:655:10
load of value 160 is not a valid value for type '_Bool'
CPU: 370 PID: 8246 Comm: CPU 0/KVM Not tainted 6.8.2-amdsos-build58-ubuntu-22.04+ #1
Hardware name: AMD Corporation Sh54p/Sh54p, BIOS WPC4429N 04/25/2024
Call Trace:
<TASK>
dump_stack_lvl+0x48/0x60
ubsan_epilogue+0x5/0x30
__ubsan_handle_load_invalid_value+0x79/0x80
kvm_mmu_notifier_invalidate_range_end.cold+0x18/0x4f [kvm]
__mmu_notifier_invalidate_range_end+0x63/0xe0
__split_huge_pmd+0x367/0xfc0
do_huge_pmd_wp_page+0x1cc/0x380
__handle_mm_fault+0x8ee/0xe50
handle_mm_fault+0xe4/0x4a0
__get_user_pages+0x190/0x840
get_user_pages_unlocked+0xe0/0x590
hva_to_pfn+0x114/0x550 [kvm]
kvm_faultin_pfn+0xed/0x5b0 [kvm]
kvm_tdp_page_fault+0x123/0x170 [kvm]
kvm_mmu_page_fault+0x244/0xaa0 [kvm]
vcpu_enter_guest+0x592/0x1070 [kvm]
kvm_arch_vcpu_ioctl_run+0x145/0x8a0 [kvm]
kvm_vcpu_ioctl+0x288/0x6d0 [kvm]
__x64_sys_ioctl+0x8f/0xd0
do_syscall_64+0x77/0x120
entry_SYSCALL_64_after_hwframe+0x6e/0x76
</TASK>
---[ end trace ]---
Fixes: 071064f14d87 ("KVM: Don't take mmu_lock for range invalidation unless necessary")
Signed-off-by: Babu Moger <babu.moger@amd.com>
Link: https://lore.kernel.org/r/b8723d39903b64c241c50f5513f804390c7b5eec.1718203311.git.babu.moger@amd.com
[sean: massage changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
|
|
After catching up with KP recently, we discussed that I will be now be
responsible for co-maintaining the BPF LSM. Adding myself as
designated maintainer of the BPF LSM, and specifying more files in
which the BPF LSM maintenance responsibilities should now extend out
to. This is at the back of all the BPF kfuncs that have been added
recently, which are fundamentally restricted to being used only from
BPF LSM program types.
Signed-off-by: Matt Bobrowski <mattbobrowski@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/ZnA-1qdtXS1TayD7@google.com
|
|
The bpf arena logic didn't account for mremap operation. Add a refcnt for
multiple mmap events to prevent use-after-free in arena_vm_close.
Fixes: 317460317a02 ("bpf: Introduce bpf_arena.")
Reported-by: Pengfei Xu <pengfei.xu@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Barret Rhoden <brho@google.com>
Tested-by: Pengfei Xu <pengfei.xu@intel.com>
Closes: https://lore.kernel.org/bpf/Zmuw29IhgyPNKnIM@xpf.sh.intel.com
Link: https://lore.kernel.org/bpf/20240617171812.76634-1-alexei.starovoitov@gmail.com
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"Another small set of EFI fixes. Only the x86 one is likely to affect
any actual users (and has a cc:stable), but the issue it fixes was
only observed in an unusual context (kexec in a confidential VM).
- Ensure that EFI runtime services are not unmapped by PAN on ARM
- Avoid freeing the memory holding the EFI memory map inadvertently
on x86
- Avoid a false positive kmemleak warning on arm64"
* tag 'efi-fixes-for-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/arm64: Fix kmemleak false positive in arm64_efi_rt_init()
efi/x86: Free EFI memory map only when installing a new one.
efi/arm: Disable LPAE PAN when calling EFI runtime services
|
|
When a file is opened and created with open(..., O_CREAT) we get
both the CREATE and OPEN fsnotify events and would expect them in that
order. For most filesystems we get them in that order because
open_last_lookups() calls fsnofify_create() and then do_open() (from
path_openat()) calls vfs_open()->do_dentry_open() which calls
fsnotify_open().
However when ->atomic_open is used, the
do_dentry_open() -> fsnotify_open()
call happens from finish_open() which is called from the ->atomic_open
handler in lookup_open() which is called *before* open_last_lookups()
calls fsnotify_create. So we get the "open" notification before
"create" - which is backwards. ltp testcase inotify02 tests this and
reports the inconsistency.
This patch lifts the fsnotify_open() call out of do_dentry_open() and
places it higher up the call stack. There are three callers of
do_dentry_open().
For vfs_open() and kernel_file_open() the fsnotify_open() is placed
directly in that caller so there should be no behavioural change.
For finish_open() there are two cases:
- finish_open is used in ->atomic_open handlers. For these we add a
call to fsnotify_open() at open_last_lookups() if FMODE_OPENED is
set - which means do_dentry_open() has been called.
- finish_open is used in ->tmpfile() handlers. For these a similar
call to fsnotify_open() is added to vfs_tmpfile()
With this patch NFSv3 is restored to its previous behaviour (before
->atomic_open support was added) of generating CREATE notifications
before OPEN, and NFSv4 now has that same correct ordering that is has
not had before. I haven't tested other filesystems.
Fixes: 7c6c5249f061 ("NFS: add atomic_open for NFSv3 to handle O_TRUNC correctly.")
Reported-by: James Clark <james.clark@arm.com>
Closes: https://lore.kernel.org/all/01c3bf2e-eb1f-4b7f-a54f-d2a05dd3d8c8@arm.com
Signed-off-by: NeilBrown <neilb@suse.de>
Link: https://lore.kernel.org/r/171817619547.14261.975798725161704336@noble.neil.brown.name
Fixes: 7b8c9d7bb457 ("fsnotify: move fsnotify_open() hook into do_dentry_open()")
Tested-by: James Clark <james.clark@arm.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240617162303.1596-2-jack@suse.cz
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
|
|
Currently we will not generate FS_OPEN events for O_PATH file
descriptors but we will generate FS_CLOSE events for them. This is
asymmetry is confusing. Arguably no fsnotify events should be generated
for O_PATH file descriptors as they cannot be used to access or modify
file content, they are just convenient handles to file objects like
paths. So fix the asymmetry by stopping to generate FS_CLOSE for O_PATH
file descriptors.
Cc: <stable@vger.kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240617162303.1596-1-jack@suse.cz
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
|
|
The block device may have been frozen before it was claimed by a
filesystem. Concurrently another process might try to mount that
frozen block device and has temporarily claimed the block device for
that purpose causing a concurrent fs_bdev_thaw() to end up here. The
mounter is already about to abort mounting because they still saw an
elevanted bdev->bd_fsfreeze_count so get_bdev_super() will return
NULL in that case.
For example, P1 calls dm_suspend() which calls into bdev_freeze() before
the block device has been claimed by the filesystem. This brings
bdev->bd_fsfreeze_count to 1 and no call into fs_bdev_freeze() is
required.
Now P2 tries to mount that frozen block device. It claims it and checks
bdev->bd_fsfreeze_count. As it's elevated it aborts mounting.
In the meantime P3 called dm_resume(). P3 sees that the block device is
already claimed by a filesystem and calls into fs_bdev_thaw().
P3 takes a passive reference and realizes that the filesystem isn't
ready yet. P3 puts itself to sleep to wait for the filesystem to become
ready.
P2 now puts the last active reference to the filesystem and marks it as
dying. P3 gets woken, sees that the filesystem is dying and
get_bdev_super() fails.
Fixes: 49ef8832fb1a ("bdev: implement freeze and thaw holder operations")
Cc: <stable@vger.kernel.org>
Reported-by: Theodore Ts'o <tytso@mit.edu>
Link: https://lore.kernel.org/r/20240611085210.GA1838544@mit.edu
Link: https://lore.kernel.org/r/20240613-lackmantel-einsehen-90f0d727358d@brauner
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
|
|
Add OCTAL mode support.
Issue detected using "--octal" spidev_test's option.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://msgid.link/r/20240618132951.2743935-4-patrice.chotard@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
In case usage of OCTAL mode, buswidth parameter can take the value 8.
As return value of stm32_qspi_get_mode() is used to configure fields
of CCR registers that are 2 bits only (fields IMODE, ADMODE, ADSIZE,
DMODE), clamp return value of stm32_qspi_get_mode() to 4.
Fixes: a557fca630cc ("spi: stm32_qspi: Add transfer_one_message() spi callback")
Cc: stable@vger.kernel.org
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://msgid.link/r/20240618132951.2743935-3-patrice.chotard@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Misplaced parenthesis make test of mode wrong in case mode is equal to
SPI_TX_OCTAL or SPI_RX_OCTAL.
Simplify this sanity test, if one of this bit is set, property
cs-gpio must be present in DT.
Fixes: a557fca630cc ("spi: stm32_qspi: Add transfer_one_message() spi callback")
Cc: stable@vger.kernel.org
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://msgid.link/r/20240618132951.2743935-2-patrice.chotard@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
"struct vcap_operations" are not modified in these drivers.
Constifying this structure moves some data to a read-only section, so
increase overall security.
In order to do it, "struct vcap_control" also needs to be adjusted to this
new const qualifier.
As an example, on a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
15176 1094 16 16286 3f9e drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.o
After:
=====
text data bss dec hex filename
15268 998 16 16282 3f9a drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://lore.kernel.org/r/d8e76094d2e98ebb5bfc8205799b3a9db0b46220.1718524644.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
zones_ht is a global hashtable for flow_table with zone as key. However,
it does not consider netns when getting a flow_table from zones_ht in
tcf_ct_init(), and it means an act_ct action in netns A may get a
flow_table that belongs to netns B if it has the same zone value.
In Shuang's test with the TOPO:
tcf2_c <---> tcf2_sw1 <---> tcf2_sw2 <---> tcf2_s
tcf2_sw1 and tcf2_sw2 saw the same flow and used the same flow table,
which caused their ct entries entering unexpected states and the
TCP connection not able to end normally.
This patch fixes the issue simply by adding netns into the key of
tcf_ct_flow_table so that an act_ct action gets a flow_table that
belongs to its own netns in tcf_ct_init().
Note that for easy coding we don't use tcf_ct_flow_table.nf_ft.net,
as the ct_ft is initialized after inserting it to the hashtable in
tcf_ct_flow_table_get() and also it requires to implement several
functions in rhashtable_params including hashfn, obj_hashfn and
obj_cmpfn.
Fixes: 64ff70b80fd4 ("net/sched: act_ct: Offload established connections to flow table")
Reported-by: Shuang Li <shuali@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/1db5b6cc6902c5fc6f8c6cbd85494a2008087be5.1718488050.git.lucien.xin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
As it says in commit 3bc07321ccc2 ("xfrm: Force a dst refcount before
entering the xfrm type handlers"):
"Crypto requests might return asynchronous. In this case we leave the
rcu protected region, so force a refcount on the skb's destination
entry before we enter the xfrm type input/output handlers."
On TIPC decryption path it has the same problem, and skb_dst_force()
should be called before doing decryption to avoid a possible crash.
Shuang reported this issue when this warning is triggered:
[] WARNING: include/net/dst.h:337 tipc_sk_rcv+0x1055/0x1ea0 [tipc]
[] Kdump: loaded Tainted: G W --------- - - 4.18.0-496.el8.x86_64+debug
[] Workqueue: crypto cryptd_queue_worker
[] RIP: 0010:tipc_sk_rcv+0x1055/0x1ea0 [tipc]
[] Call Trace:
[] tipc_sk_mcast_rcv+0x548/0xea0 [tipc]
[] tipc_rcv+0xcf5/0x1060 [tipc]
[] tipc_aead_decrypt_done+0x215/0x2e0 [tipc]
[] cryptd_aead_crypt+0xdb/0x190
[] cryptd_queue_worker+0xed/0x190
[] process_one_work+0x93d/0x17e0
Fixes: fc1b6d6de220 ("tipc: introduce TIPC encryption & authentication")
Reported-by: Shuang Li <shuali@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Link: https://lore.kernel.org/r/fbe3195fad6997a4eec62d9bf076b2ad03ac336b.1718476040.git.lucien.xin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
Luo Jie says:
====================
Introduce PHY mode 10G-QXGMII
This patch series adds 10G-QXGMII mode for PHY driver. The patch
series is split from the QCA8084 PHY driver patch series below.
https://lore.kernel.org/all/20231215074005.26976-1-quic_luoj@quicinc.com/
Per Andrew Lunn’s advice, submitting this patch series for acceptance
as they already include the necessary 'Reviewed-by:' tags. This way,
they need not wait for QCA8084 series patches to conclude review.
Changes in v2:
* remove PHY_INTERFACE_MODE_10G_QXGMII from workaround of
validation in the phylink_validate_phy. 10G_QXGMII will
be set into phy->possible_interfaces in its .config_init
method of PHY driver that supports it.
====================
Link: https://lore.kernel.org/r/20240615120028.2384732-1-quic_luoj@quicinc.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
Add the new interface mode 10g-qxgmii, which is similar to
usxgmii but extend to 4 channels to support maximum of 4
ports with the link speed 10M/100M/1G/2.5G.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
10G-QXGMII is a MAC-to-PHY interface defined by the USXGMII multiport
specification. It uses the same signaling as USXGMII, but it multiplexes
4 ports over the link, resulting in a maximum speed of 2.5G per port.
Some in-tree SoCs like the NXP LS1028A use "usxgmii" when they mean
either the single-port USXGMII or the quad-port 10G-QXGMII variant, and
they could get away just fine with that thus far. But there is a need to
distinguish between the 2 as far as SerDes drivers are concerned.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
The TSO engine works well when the frames are not VLAN Tagged.
But it will produce broken segments when frames are VLAN Tagged.
The first segment is all good, while the second segment to the
last segment are broken, they lack of required VLAN tag.
An example here:
========
// 1st segment of a VLAN Tagged TSO frame, nothing wrong.
MacSrc > MacDst, ethertype 802.1Q (0x8100), length 1518: vlan 100, p 1, ethertype IPv4 (0x0800), HostA:42643 > HostB:5201: Flags [.], seq 1:1449
// 2nd to last segments of a VLAN Tagged TSO frame, VLAN tag is missing.
MacSrc > MacDst, ethertype IPv4 (0x0800), length 1514: HostA:42643 > HostB:5201: Flags [.], seq 1449:2897
MacSrc > MacDst, ethertype IPv4 (0x0800), length 1514: HostA:42643 > HostB:5201: Flags [.], seq 2897:4345
MacSrc > MacDst, ethertype IPv4 (0x0800), length 1514: HostA:42643 > HostB:5201: Flags [.], seq 4345:5793
MacSrc > MacDst, ethertype IPv4 (0x0800), length 1514: HostA:42643 > HostB:5201: Flags [P.], seq 5793:7241
// normal VLAN Tagged non-TSO frame, nothing wrong.
MacSrc > MacDst, ethertype 802.1Q (0x8100), length 1022: vlan 100, p 1, ethertype IPv4 (0x0800), HostA:42643 > HostB:5201: Flags [P.], seq 7241:8193
MacSrc > MacDst, ethertype 802.1Q (0x8100), length 70: vlan 100, p 1, ethertype IPv4 (0x0800), HostA:42643 > HostB:5201: Flags [F.], seq 8193
========
When transmitting VLAN Tagged TSO frames, never insert VLAN tag by HW,
always insert VLAN tag to SKB payload, then TSO works well on VLANs for
all MAC cores.
Tested on DWMAC CORE 5.10a, DWMAC CORE 5.20a and DWXGMAC CORE 3.20a
Signed-off-by: Furong Xu <0x1207@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240615095611.517323-1-0x1207@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
syzbot found hanging tasks waiting on rtnl_lock [1]
A reproducer is available in the syzbot bug.
When a request to add multiple actions with the same index is sent, the
second request will block forever on the first request. This holds
rtnl_lock, and causes tasks to hang.
Return -EAGAIN to prevent infinite looping, while keeping documented
behavior.
[1]
INFO: task kworker/1:0:5088 blocked for more than 143 seconds.
Not tainted 6.9.0-rc4-syzkaller-00173-g3cdb45594619 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:23744 pid:5088 tgid:5088 ppid:2 flags:0x00004000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
wiphy_lock include/net/cfg80211.h:5953 [inline]
reg_leave_invalid_chans net/wireless/reg.c:2466 [inline]
reg_check_chans_work+0x10a/0x10e0 net/wireless/reg.c:2481
Fixes: 0190c1d452a9 ("net: sched: atomically check-allocate action")
Reported-by: syzbot+b87c222546179f4513a7@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=b87c222546179f4513a7
Signed-off-by: David Ruth <druth@chromium.org>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20240614190326.1349786-1-druth@chromium.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
Issuing a system suspend command raises the following warning:
WARNING: CPU: 0 PID: 15 at drivers/mmc/core/sdio.c:1042 mmc_sdio_suspend+0xd4/0x19c
CPU: 0 PID: 15 Comm: kworker/u2:1 Not tainted 6.7.0-rc1-wt+ #710
Hardware name: Atmel SAMA5
Workqueue: events_unbound async_run_entry_fn
unwind_backtrace from show_stack+0x18/0x1c
show_stack from dump_stack_lvl+0x34/0x48
dump_stack_lvl from __warn+0x98/0x160
__warn from warn_slowpath_fmt+0xcc/0x140
warn_slowpath_fmt from mmc_sdio_suspend+0xd4/0x19c
mmc_sdio_suspend from mmc_bus_suspend+0x50/0x70
mmc_bus_suspend from dpm_run_callback+0xe4/0x248
dpm_run_callback from __device_suspend+0x234/0x91c
__device_suspend from async_suspend+0x24/0x9c
async_suspend from async_run_entry_fn+0x6c/0x210
async_run_entry_fn from process_one_work+0x3a0/0x870
[...]
This warning is due to a check in SDIO core ensuring that interrupts do not
remain enabled for cards being powered down during suspend. WILC driver
currently does not set the MMC_PM_KEEP_POWER flag, so disable interrupt
when entering resume.
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240613-wilc_suspend-v1-6-c2f766d0988c@bootlin.com
|
|
WILC1000 suspend/resume implementation is currently composed of two parts:
suspend/resume ops implemented in cfg80211 ops, which merely sets a
flag, and suspend/resume ops in sdio/spi driver which, based on this flag,
execute or not the suspend/resume mechanism. This dual set of ops is not
really needed , so keep only the sdio part to implement suspend/resume.
While doing so, remove the now unused suspend_event flag.
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240613-wilc_suspend-v1-5-c2f766d0988c@bootlin.com
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Just move the suspend method next to the resume method in the sdio part
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240613-wilc_suspend-v1-4-c2f766d0988c@bootlin.com
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