Pointer alg points to sub field of tmpl, it
is dereferenced after tmpl is freed. Fix
this by accessing alg before free tmpl.
Fixes: 9363efb4 ("crypto: qce - Add support for AEAD algorithms")
Signed-off-by: Chengfeng Ye <cyeaa@connect.ust.hk>
Acked-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Use the macro 'swap()' defined in 'include/linux/minmax.h' to avoid
opencoding it.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Commit c9f608c380 ("crypto: keembay-ocs-ecc - Add Keem Bay OCS ECC
Driver") only adds drivers/crypto/keembay/keembay-ocs-ecc.c, but adds a
file entry drivers/crypto/keembay/ocs-ecc-curve-defs.h in MAINTAINERS.
Hence, ./scripts/get_maintainer.pl --self-test=patterns warns:
warning: no file matches F: drivers/crypto/keembay/ocs-ecc-curve-defs.h
Assuming that this header is obsolete and will not be included in the
repository, remove the unneeded file entry from MAINTAINERS.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Reviewed-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Fix to return negative error code -ENOMEM from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: c9f608c380 ("crypto: keembay-ocs-ecc - Add Keem Bay OCS ECC Driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When enable the kernel debug config, there is below calltrace detected:
BUG: using smp_processor_id() in preemptible [00000000] code: cryptomgr_test/339
caller is debug_smp_processor_id+0x20/0x30
CPU: 9 PID: 339 Comm: cryptomgr_test Not tainted 5.10.63-yocto-standard #1
Hardware name: NXP Layerscape LX2160ARDB (DT)
Call trace:
dump_backtrace+0x0/0x1a0
show_stack+0x24/0x30
dump_stack+0xf0/0x13c
check_preemption_disabled+0x100/0x110
debug_smp_processor_id+0x20/0x30
dpaa2_caam_enqueue+0x10c/0x25c
......
cryptomgr_test+0x38/0x60
kthread+0x158/0x164
ret_from_fork+0x10/0x38
According to the comment in commit ac5d15b4519f("crypto: caam/qi2
- use affine DPIOs "), because preemption is no longer disabled
while trying to enqueue an FQID, it might be possible to run the
enqueue on a different CPU(due to migration, when in process context),
however this wouldn't be a functionality issue. But there will be
above calltrace when enable kernel debug config. So, replace this_cpu_ptr
with raw_cpu_ptr to avoid above call trace.
Fixes: ac5d15b451 ("crypto: caam/qi2 - use affine DPIOs")
Cc: stable@vger.kernel.org
Signed-off-by: Meng Li <Meng.Li@windriver.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This RNG device is present on Marvell OcteonTx2 silicons as well and
also provides entropy health status.
HW continuously checks health condition of entropy and reports
faults. Fault is in terms of co-processor cycles since last fault
detected. This doesn't get cleared and only updated when new fault
is detected. Also there are chances of detecting false positives.
So to detect a entropy failure SW has to check if failures are
persistent ie cycles elapsed is frequently updated by HW.
This patch adds support to detect health failures using below algo.
1. Consider any fault detected before 10ms as a false positive and ignore.
10ms is chosen randomly, no significance.
2. Upon first failure detection make a note of cycles elapsed and when this
error happened in realtime (cntvct).
3. Upon subsequent failure, check if this is new or a old one by comparing
current cycles with the ones since last failure. cycles or time since
last failure is calculated using cycles and time info captured at (2).
HEALTH_CHECK status register is not available to VF, hence had to map
PF registers. Also since cycles are in terms of co-processor cycles,
had to retrieve co-processor clock rate from RST device.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
In case there were more requests from different tfms in the crypto
queue, only the context of the last initialized tfm was considered.
Fixes: ec2088b66f ("crypto: atmel-aes - Allocate aes dev at tfm init time")
Reported-by: Wolfgang Ocker <weo@reccoware.de>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Introduce new generic kasprintf_strarray() API
* Clean up and convert existing drivers to use the above
The API will be needed in the future for new comers, including Intel ones.
The following is an automated git shortlog grouped by driver:
armada-37xx:
- Switch to use devm_kasprintf_strarray()
- Convert to use dev_err_probe()
- Make use of the devm_platform_ioremap_resource()
- Use temporary variable for struct device
- Fix function name in the kernel doc
gpio:
- mockup: Switch to use kasprintf_strarray()
lib/string_helpers:
- Introduce managed variant of kasprintf_strarray()
- Introduce kasprintf_strarray()
pinctrl/rockchip:
- Switch to use devm_kasprintf_strarray()
- Convert to use dev_err_probe()
- Make use of the devm_platform_get_and_ioremap_resource()
- Use temporary variable for struct device
- Drop wrong kernel doc annotation
st:
- Switch to use devm_kasprintf_strarray()
- Convert to use dev_err_probe()
- Make use of the devm_platform_ioremap_resource_byname()
- Use temporary variable for struct device
- Drop wrong kernel doc annotations
zynqmp:
- Unify pin naming
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Merge tag 'intel-pinctrl-v5.17-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/pinctrl/intel into devel
intel-pinctrl for v5.17-2
* Introduce new generic kasprintf_strarray() API
* Clean up and convert existing drivers to use the above
The API will be needed in the future for new comers, including Intel ones.
The following is an automated git shortlog grouped by driver:
armada-37xx:
- Switch to use devm_kasprintf_strarray()
- Convert to use dev_err_probe()
- Make use of the devm_platform_ioremap_resource()
- Use temporary variable for struct device
- Fix function name in the kernel doc
gpio:
- mockup: Switch to use kasprintf_strarray()
lib/string_helpers:
- Introduce managed variant of kasprintf_strarray()
- Introduce kasprintf_strarray()
pinctrl/rockchip:
- Switch to use devm_kasprintf_strarray()
- Convert to use dev_err_probe()
- Make use of the devm_platform_get_and_ioremap_resource()
- Use temporary variable for struct device
- Drop wrong kernel doc annotation
st:
- Switch to use devm_kasprintf_strarray()
- Convert to use dev_err_probe()
- Make use of the devm_platform_ioremap_resource_byname()
- Use temporary variable for struct device
- Drop wrong kernel doc annotations
zynqmp:
- Unify pin naming
When a sock is added to a sock map we evaluate what proto op hooks need to
be used. However, when the program is removed from the sock map we have not
been evaluating if that changes the required program layout.
Before the patch listed in the 'fixes' tag this was not causing failures
because the base program set handles all cases. Specifically, the case with
a stream parser and the case with out a stream parser are both handled. With
the fix below we identified a race when running with a proto op that attempts
to read skbs off both the stream parser and the skb->receive_queue. Namely,
that a race existed where when the stream parser is empty checking the
skb->receive_queue from recvmsg at the precies moment when the parser is
paused and the receive_queue is not empty could result in skipping the stream
parser. This may break a RX policy depending on the parser to run.
The fix tag then loads a specific proto ops that resolved this race. But, we
missed removing that proto ops recv hook when the sock is removed from the
sockmap. The result is the stream parser is stopped so no more skbs will be
aggregated there, but the hook and BPF program continues to be attached on
the psock. User space will then get an EBUSY when trying to read the socket
because the recvmsg() handler is now waiting on a stopped stream parser.
To fix we rerun the proto ops init() function which will look at the new set
of progs attached to the psock and rest the proto ops hook to the correct
handlers. And in the above case where we remove the sock from the sock map
the RX prog will no longer be listed so the proto ops is removed.
Fixes: c5d2177a72 ("bpf, sockmap: Fix race in ingress receive verdict with redirect to self")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211119181418.353932-3-john.fastabend@gmail.com
When a TCP socket is added to a sock map we look at the programs attached
to the map to determine what proto op hooks need to be changed. Before
the patch in the 'fixes' tag there were only two categories -- the empty
set of programs or a TX policy. In any case the base set handled the
receive case.
After the fix we have an optimized program for receive that closes a small,
but possible, race on receive. This program is loaded only when the map the
psock is being added to includes a RX policy. Otherwise, the race is not
possible so we don't need to handle the race condition.
In order for the call to sk_psock_init() to correctly evaluate the above
conditions all progs need to be set in the psock before the call. However,
in the current code this is not the case. We end up evaluating the
requirements on the old prog state. If your psock is attached to multiple
maps -- for example a tx map and rx map -- then the second update would pull
in the correct maps. But, the other pattern with a single rx enabled map
the correct receive hooks are not used. The result is the race fixed by the
patch in the fixes tag below may still be seen in this case.
To fix we simply set all psock->progs before doing the call into
sock_map_init(). With this the init() call gets the full list of programs
and chooses the correct proto ops on the first iteration instead of
requiring the second update to pull them in. This fixes the race case when
only a single map is used.
Fixes: c5d2177a72 ("bpf, sockmap: Fix race in ingress receive verdict with redirect to self")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211119181418.353932-2-john.fastabend@gmail.com
The struct aspm_latency is now used only inside pcie_aspm_check_latency().
Replace struct aspm_latency variables with u32 variables and remove struct
aspm_latency.
Link: https://lore.kernel.org/r/20211119193732.12343-5-refactormyself@gmail.com
Signed-off-by: Saheed O. Bolarinwa <refactormyself@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Previously we calculated the device's acceptable L0s and L1 exit latencies
in pcie_aspm_cap_init() and cached them in struct pcie_link_state.
These values are only used in pcie_aspm_check_latency() where they are
compared with the actual exit latencies of the link. This path is used
when removing or changing the D state of the device, so it's relatively low
frequency.
To reduce the amount of per-link data we store, remove the acceptable[]
arrays from struct pcie_link_state and calculate them directly from the
already-cached Device Capabilities register when needed.
[bhelgaas: use endpoint->devcap instead of reading it again]
Link: https://lore.kernel.org/r/20211119193732.12343-4-refactormyself@gmail.com
Signed-off-by: Saheed O. Bolarinwa <refactormyself@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Previously we calculated the upstream and downstream L0s and L1 exit
latencies of the link in pcie_aspm_cap_init() and cached them in struct
pcie_link_state.latency_*.
These values are only used in pcie_aspm_check_latency() where they are
compared with the acceptable latencies on the link. This path is used when
removing or changing the D state of the device, so it's relatively low
frequency.
To reduce the amount of per-link data we store, remove the latency_*
entries from struct pcie_link_state and calculate the latencies directly
where they are needed.
Link: https://lore.kernel.org/r/20211119193732.12343-3-refactormyself@gmail.com
Signed-off-by: Saheed O. Bolarinwa <refactormyself@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
The prototype of mem_map_via_hcall() is missing in its header, so add
it.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: a43fb7da53 ("xen/pvh: Move Xen code for getting mem map via hcall out of common file")
Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20211119153913.21678-1-jgross@suse.com
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
bpf_program__set_extra_flags has just been introduced so we can still
change it without breaking users.
This new interface is a bit more flexible (for example if someone wants
to clear a flag).
Signed-off-by: Florent Revest <revest@chromium.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211119180035.1396139-1-revest@chromium.org
Move pci_function_0() earlier so we can use it from other functions.
Link: https://lore.kernel.org/r/20211119193732.12343-2-refactormyself@gmail.com
Signed-off-by: Bolarinwa O. Saheed <refactormyself@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
* Prevent accesses to unsupported log pages as that causes device scan
failures with LLDDs using libsas (from me).
* A couple of fixes for AMD AHCI adapters handling of low power modes
and resume (from Mario).
* Fix a compilation warning (from me).
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Merge tag 'libata-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull libata fixes from Damien Le Moal:
- Prevent accesses to unsupported log pages as that causes device scan
failures with LLDDs using libsas (from me).
- A couple of fixes for AMD AHCI adapters handling of low power modes
and resume (from Mario).
- Fix a compilation warning (from me).
* tag 'libata-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: libata-sata: Declare ata_ncq_sdev_attrs static
ata: libahci: Adjust behavior when StorageD3Enable _DSD is set
ata: ahci: Add Green Sardine vendor ID as board_ahci_mobile
ata: libata: add missing ata_identify_page_supported() calls
ata: libata: improve ata_read_log_page() error message
- Fix double free in destroy_hist_field
- Harden memset() of trace_iterator structure
- Do not warn in trace printk check when test buffer fills up
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Merge tag 'trace-v5.16-6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix double free in destroy_hist_field
- Harden memset() of trace_iterator structure
- Do not warn in trace printk check when test buffer fills up
* tag 'trace-v5.16-6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Don't use out-of-sync va_list in event printing
tracing: Use memset_startat() to zero struct trace_iterator
tracing/histogram: Fix UAF in destroy_hist_field()
When the hash table slot array allocation fails in hashtab_init(),
h->size is left initialized with a non-zero value, but the h->htable
pointer is NULL. This may then cause a NULL pointer dereference, since
the policydb code relies on the assumption that even after a failed
hashtab_init(), hashtab_map() and hashtab_destroy() can be safely called
on it. Yet, these detect an empty hashtab only by looking at the size.
Fix this by making sure that hashtab_init() always leaves behind a valid
empty hashtab when the allocation fails.
Cc: stable@vger.kernel.org
Fixes: 03414a49ad ("selinux: do not allocate hashtabs dynamically")
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
I have two patches for 5.16:
* A fix that allows external modules to be built against read-only
source trees.
* A patch to turn KVM on in the defconfigs.
The second one isn't technically a fix, but it got tied up pending some
defconfig cleanups that ended up finding some larger issues. I figured
it'd be better to get the config changes some more testing, but didn't
want to hold up turning KVM on for that.
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Merge tag 'riscv-for-linus-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"I have two patches for 5.16:
- allow external modules to be built against read-only source trees
- turn KVM on in the defconfigs
The second one isn't technically a fix, but it got tied up pending
some defconfig cleanups that ended up finding some larger issues. I
figured it'd be better to get the config changes some more testing,
but didn't want to hold up turning KVM on for that"
* tag 'riscv-for-linus-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: fix building external modules
RISC-V: Enable KVM in RV64 and RV32 defconfigs as a module
Pull exit-vs-signal handling fixes from Eric Biederman:
"This is a small set of changes where debuggers were no longer able to
intercept synchronous SIGTRAP and SIGSEGV, introduced by the exit
cleanups.
This is essentially the change you suggested with all of i's dotted
and the t's crossed so that ptrace can intercept all of the cases it
has been able to intercept the past, and all of the cases that made it
to exit without giving ptrace a chance still don't give ptrace a
chance"
* 'SA_IMMUTABLE-fixes-for-v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
signal: Replace force_fatal_sig with force_exit_sig when in doubt
signal: Don't always set SA_IMMUTABLE for forced signals
Six fixes, five in drivers (ufs, qla2xxx, iscsi) and one core change
to fix a regression in user space device state setting, which is used
by the iscsi daemons to effect device recovery.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six fixes, five in drivers (ufs, qla2xxx, iscsi) and one core change
to fix a regression in user space device state setting, which is used
by the iscsi daemons to effect device recovery"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Fix mailbox direction flags in qla2xxx_get_adapter_id()
scsi: ufs: core: Fix another task management completion race
scsi: ufs: core: Fix task management completion timeout race
scsi: core: sysfs: Fix hang when device state is set via sysfs
scsi: iscsi: Unblock session then wake up error handler
scsi: ufs: core: Improve SCSI abort handling
There are a few big regressions items from the merge window suggesting
that people are testing rc1's but not testing the for-next branches:
- Warnings fixes
- Crash in hf1 when creating QPs and setting counters
- Some old mlx4 cards fail to probe due to missing counters
- Syzkaller crash in the new counters code
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"There are a few big regression items from the merge window suggesting
that people are testing rc1's but not testing the for-next branches:
- Warnings fixes
- Crash in hf1 when creating QPs and setting counters
- Some old mlx4 cards fail to probe due to missing counters
- Syzkaller crash in the new counters code"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
MAINTAINERS: Update for VMware PVRDMA driver
RDMA/nldev: Check stat attribute before accessing it
RDMA/mlx4: Do not fail the registration on port stats
IB/hfi1: Properly allocate rdma counter desc memory
RDMA/core: Set send and receive CQ before forwarding to the driver
RDMA/netlink: Add __maybe_unused to static inline in C file
scheduler:
- two refcounting fixes
cma-helper:
- use correct free path for noncoherent
efifb:
- probing fix
amdgpu:
- Better debugging info for SMU msgs
- Better error reporting when adding IP blocks
- Fix UVD powergating regression on CZ
- Clock reporting fix for navi1x
- OLED panel backlight fix
- Fix scaling on VGA/DVI for non-DC display code
- Fix GLFCLK handling for RGP on some APUs
- fix potential memory leak
amdkfd:
- GPU reset fix
i915:
- return error handling fix
- ADL-P display fix
- TGL DSI display clocks fix
nouveau:
- infoframe corruption fix
sun4i:
- Kconfig fix
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Merge tag 'drm-fixes-2021-11-19' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"This week's fixes, pretty quiet, about right for rc2. amdgpu is the
bulk of them but the scheduler ones have been reported in a few places
I think.
Otherwise just some minor i915 fixes and a few other scattered around:
scheduler:
- two refcounting fixes
cma-helper:
- use correct free path for noncoherent
efifb:
- probing fix
amdgpu:
- Better debugging info for SMU msgs
- Better error reporting when adding IP blocks
- Fix UVD powergating regression on CZ
- Clock reporting fix for navi1x
- OLED panel backlight fix
- Fix scaling on VGA/DVI for non-DC display code
- Fix GLFCLK handling for RGP on some APUs
- fix potential memory leak
amdkfd:
- GPU reset fix
i915:
- return error handling fix
- ADL-P display fix
- TGL DSI display clocks fix
nouveau:
- infoframe corruption fix
sun4i:
- Kconfig fix"
* tag 'drm-fixes-2021-11-19' of git://anongit.freedesktop.org/drm/drm:
drm/amd/amdgpu: fix potential memleak
drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again
drm/amd/pm: add GFXCLK/SCLK clocks level print support for APUs
drm/amdgpu: fix set scaling mode Full/Full aspect/Center not works on vga and dvi connectors
drm/amd/display: Fix OLED brightness control on eDP
drm/amd/pm: Remove artificial freq level on Navi1x
drm/amd/pm: avoid duplicate powergate/ungate setting
drm/amdgpu: add error print when failing to add IP block(v2)
drm/amd/pm: Enhanced reporting also for a stuck command
drm/i915/guc: fix NULL vs IS_ERR() checking
drm/i915/dsi/xelpd: Fix the bit mask for wakeup GB
Revert "drm/i915/tgl/dsi: Gate the ddi clocks after pll mapping"
fbdev: Prevent probing generic drivers if a FB is already registered
drm/scheduler: fix drm_sched_job_add_implicit_dependencies harder
drm/scheduler: fix drm_sched_job_add_implicit_dependencies
drm/sun4i: fix unmet dependency on RESET_CONTROLLER for PHY_SUN6I_MIPI_DPHY
drm/cma-helper: Release non-coherent memory with dma_free_noncoherent()
drm/nouveau: hdmigv100.c: fix corrupted HDMI Vendor InfoFrame
gpmi_io clock needs to be gated off when changing the parent/dividers of
enfc_clk_root (i.MX6Q/i.MX6UL) respectively qspi2_clk_root (i.MX6SX).
Otherwise this rate change can lead to an unresponsive GPMI core which
results in DMA timeouts and failed driver probe:
[ 4.072318] gpmi-nand 112000.gpmi-nand: DMA timeout, last DMA
...
[ 4.370355] gpmi-nand 112000.gpmi-nand: Chip: 0, Error -110
...
[ 4.375988] gpmi-nand 112000.gpmi-nand: Chip: 0, Error -22
[ 4.381524] gpmi-nand 112000.gpmi-nand: Error in ECC-based read: -22
[ 4.387988] gpmi-nand 112000.gpmi-nand: Chip: 0, Error -22
[ 4.393535] gpmi-nand 112000.gpmi-nand: Chip: 0, Error -22
...
Other than stated in i.MX 6 erratum ERR007117, it should be sufficient
to gate only gpmi_io because all other bch/nand clocks are derived from
different clock roots.
The i.MX6 reference manuals state that changing clock muxers can cause
glitches but are silent about changing dividers. But tests showed that
these glitches can definitely happen on i.MX6ULL. For i.MX7D/8MM in turn,
the manual guarantees that no glitches can happen when changing
dividers.
Co-developed-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Christian Eggers <ceggers@arri.de>
Cc: stable@vger.kernel.org
Acked-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211102202022.15551-2-ceggers@arri.de
There is no need to explicitly set the default gpmi clock rate during
boot for the i.MX 6 since this is done during nand_detect anyway.
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Cc: stable@vger.kernel.org
Acked-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211102202022.15551-1-ceggers@arri.de
The ECC engine on the JZ4740 SoC requires the ECC data to be read before
the page; using the default page reading function does not work. Indeed,
the old JZ4740 NAND driver (removed in 5.4) did use the 'OOB first' flag
that existed back then.
Use the newly created nand_read_page_hwecc_oob_first() to address this
issue.
This issue was not found when the new ingenic-nand driver was developed,
most likely because the Device Tree used had the nand-ecc-mode set to
"hw_oob_first", which seems to not be supported anymore.
Cc: <stable@vger.kernel.org> # v5.2
Fixes: a0ac778eb8 ("mtd: rawnand: ingenic: Add support for the JZ4740")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211016132228.40254-5-paul@crapouillou.net
Move the function nand_read_page_hwecc_oob_first() (previously
nand_davinci_read_page_hwecc_oob_first()) to nand_base.c, and export it
as a GPL symbol, so that it can be used by more modules.
Cc: <stable@vger.kernel.org> # v5.2
Fixes: a0ac778eb8 ("mtd: rawnand: ingenic: Add support for the JZ4740")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211016132228.40254-4-paul@crapouillou.net
The original comment that describes the function
nand_davinci_read_page_hwecc_oob_first() is very obscure and it is hard
to understand what it is for.
Cc: <stable@vger.kernel.org> # v5.2
Fixes: a0ac778eb8 ("mtd: rawnand: ingenic: Add support for the JZ4740")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211016132228.40254-3-paul@crapouillou.net
The function nand_davinci_read_page_hwecc_oob_first() first reads the
OOB data, extracts the ECC information, programs the ECC hardware before
reading the actual data in a loop.
Right after the OOB data was read, it called nand_read_page_op() to
reset the read cursor to the beginning of the page. This caused the
first page to be read twice: in that call, and later in the loop.
Address that issue by changing the call to nand_read_page_op() to
nand_change_read_column_op(), which will only reset the read cursor.
Cc: <stable@vger.kernel.org> # v5.2
Fixes: a0ac778eb8 ("mtd: rawnand: ingenic: Add support for the JZ4740")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211016132228.40254-2-paul@crapouillou.net
The function nand_davinci_read_page_hwecc_oob_first() does read the ECC
data from the OOB area. Therefore it does not need to calculate the ECC
as it is already available.
Cc: <stable@vger.kernel.org> # v5.2
Fixes: a0ac778eb8 ("mtd: rawnand: ingenic: Add support for the JZ4740")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211016132228.40254-1-paul@crapouillou.net
The Power Fault Detected bit in the Slot Status register differs from
all other hotplug events in that it is sticky: It can only be cleared
after turning off slot power. Per PCIe r5.0, sec. 6.7.1.8:
If a power controller detects a main power fault on the hot-plug slot,
it must automatically set its internal main power fault latch [...].
The main power fault latch is cleared when software turns off power to
the hot-plug slot.
The stickiness used to cause interrupt storms and infinite loops which
were fixed in 2009 by commits 5651c48cfa ("PCI pciehp: fix power fault
interrupt storm problem") and 99f0169c17 ("PCI: pciehp: enable
software notification on empty slots").
Unfortunately in 2020 the infinite loop issue was inadvertently
reintroduced by commit 8edf5332c3 ("PCI: pciehp: Fix MSI interrupt
race"): The hardirq handler pciehp_isr() clears the PFD bit until
pciehp's power_fault_detected flag is set. That happens in the IRQ
thread pciehp_ist(), which never learns of the event because the hardirq
handler is stuck in an infinite loop. Fix by setting the
power_fault_detected flag already in the hardirq handler.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=214989
Link: https://lore.kernel.org/linux-pci/DM8PR11MB5702255A6A92F735D90A4446868B9@DM8PR11MB5702.namprd11.prod.outlook.com
Fixes: 8edf5332c3 ("PCI: pciehp: Fix MSI interrupt race")
Link: https://lore.kernel.org/r/66eaeef31d4997ceea357ad93259f290ededecfd.1637187226.git.lukas@wunner.de
Reported-by: Joseph Bao <joseph.bao@intel.com>
Tested-by: Joseph Bao <joseph.bao@intel.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # v4.19+
Cc: Stuart Hayes <stuart.w.hayes@gmail.com>
Remove useless __init atrribute and unneeded extern qualifier in function
declarations in header files.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20211015151425.29743-1-s.nawrocki@samsung.com
__clk_lookup() interface is obsolete, so remove it from the Samsung clock
drivers. This has been achieved by getting rid of custom _get_rate()
helper and replacing it with clk_hw_get_rate().
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Link: https://lore.kernel.org/r/20211018125456.8292-2-m.szyprowski@samsung.com
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Advertise support of the Gen4 automotive variants in module's device ID
table and add the same IDs to the list of switchtec quirks.
Link: https://lore.kernel.org/r/20211119003803.2333-2-kelvin.cao@microchip.com
Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Each member of Array[][] should be initialized on a separate line.
Link: https://lore.kernel.org/r/20211119140208.40416-7-liangwenpeng@huawei.com
Signed-off-by: Xinhao Liu <liuxinhao@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The type of the variable participating in the shift operation should be an
unsigned type instead of a signed type.
Link: https://lore.kernel.org/r/20211119140208.40416-5-liangwenpeng@huawei.com
Signed-off-by: Xinhao Liu <liuxinhao5@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
There should be a space between the code and the comment on the right.
Link: https://lore.kernel.org/r/20211119140208.40416-4-liangwenpeng@huawei.com
Signed-off-by: Xinhao Liu <liuxinhao5@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The print format should be consistent with the variable type.
Link: https://lore.kernel.org/r/20211119140208.40416-3-liangwenpeng@huawei.com
Signed-off-by: Xinhao Liu <liuxinhao5@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The hex printf format should be "0xff" instead of "ff".
Link: https://lore.kernel.org/r/20211119140208.40416-2-liangwenpeng@huawei.com
Signed-off-by: Xinhao Liu <liuxinhao5@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
RXE_POOL_ALIGN is only used in rxe_pool.c so move RXE_POOL_ALIGN to
rxe_pool.c from rxe_pool.h. RXE_POOL_CACHE_FLAGS is never used so it is
deleted from rxe_pool.h
Link: https://lore.kernel.org/r/20211103050241.61293-8-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
