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ctrl->cntlid will already be initialized from id->cntlid for
non-NVME_F_FABRICS controllers few lines below. For NVME_F_FABRICS
controllers this field should already be initialized, otherwise the
check
if (ctrl->cntlid != le16_to_cpu(id->cntlid))
below will always be a no-op.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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If a device provides an NQN it is expected to be globally unique.
Unfortunately some firmware revisions for Intel 760p/Pro 7600p devices did
not satisfy this requirement. In these circumstances if a system has >1
affected device then only one device is enabled. If this quirk is enabled
then the device supplied subnqn is ignored and we fallback to generating
one as if the field was empty. In this case we also suppress the version
check so we don't print a warning when the quirk is enabled.
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: James Dingwall <james@dingwall.me.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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We need to preserve the leading zeros in the vid and ssvid when generating
a unique NQN. Truncating these may lead to naming collisions.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When nvme_init_identify() fails the ANA log buffer is deallocated
but _not_ set to NULL. This can cause double free oops when this
controller is deleted without ever being reconnected.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Even if user-space sent it to us, it got it wrong so lets
help by disallowing it.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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For sure we are a fabric driver.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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We should never touch the opal device from the transport driver.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There is an out of bounds array access in nvme_cqe_peding().
When enable irq_thread for nvme interrupt, there is racing between the
nvmeq->cq_head updating and reading.
nvmeq->cq_head is updated in nvme_update_cq_head(), if nvmeq->cq_head
equals nvmeq->q_depth and before its value set to zero, nvme_cqe_pending()
uses its value as an array index, the index will be out of bounds.
Signed-off-by: Hongbo Yao <yaohongbo@huawei.com>
[hch: slight coding style update]
Signed-off-by: Christoph Hellwig <hch@lst.de>
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If the driver is unable to create a subset of IO queues for any reason,
the read/write and polled queue sets will not match the actual allocated
hardware contexts. This leaves gaps in the CPU affinity mappings and
causes the following kernel panic after blk_mq_map_queue_type() returns
a NULL hctx.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000198
#PF error: [normal kernel read fault]
PGD 0 P4D 0
Oops: 0000 [#1] SMP
CPU: 64 PID: 1171 Comm: kworker/u259:1 Not tainted 4.20.0+ #241
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-2.fc27 04/01/2014
Workqueue: nvme-wq nvme_scan_work [nvme_core]
RIP: 0010:blk_mq_init_allocated_queue+0x2d9/0x440
RSP: 0018:ffffb1bf0abc3cd0 EFLAGS: 00010286
RAX: 000000000000001f RBX: ffff8ea744cf0718 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 000000000000007c RDI: ffffffff9109a820
RBP: ffff8ea7565f7008 R08: 000000000000001f R09: 000000000000003f
R10: ffffb1bf0abc3c00 R11: 0000000000000000 R12: 000000000001d008
R13: ffff8ea7565f7008 R14: 000000000000003f R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8ea757200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000198 CR3: 0000000013058000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
blk_mq_init_queue+0x35/0x60
nvme_validate_ns+0xc6/0x7c0 [nvme_core]
? nvme_identify_ctrl.isra.56+0x7e/0xc0 [nvme_core]
nvme_scan_work+0xc8/0x340 [nvme_core]
? __wake_up_common+0x6d/0x120
? try_to_wake_up+0x55/0x410
process_one_work+0x1e9/0x3d0
worker_thread+0x2d/0x3d0
? process_one_work+0x3d0/0x3d0
kthread+0x111/0x130
? kthread_park+0x90/0x90
ret_from_fork+0x1f/0x30
Modules linked in: nvme nvme_core serio_raw
CR2: 0000000000000198
Fix by re-running the interrupt vector setup from scratch using a reduced
count that may be successful until the created queues matches the irq
affinity plus polling queue sets.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When using HMB the PCIe host driver allocates host_mem_desc_bufs using
dma_alloc_attrs() but frees them using dma_free_coherent(). Use the
correct dma_free_attrs() function to free the buffers.
Signed-off-by: Liviu Dudau <liviu@dudau.co.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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We only set the nr_maps to 3 if poll queues are supported.
Signed-off-by: Jianchao Wang <jianchao.w.wang@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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If the kernel is built without CONFIG_BLK_DEV_ZONED, a modprobe
of the null_blk driver with zoned=1 fails with 'Invalid argument'.
This can be confusing to users, prompting a search as to why the
parameter is invalid. To assist in that search, add a bit more
information to the failure, additionally adding to the documentation
that CONFIG_BLK_DEV_ZONED is needed for zoned=1.
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: John Pittman <jpittman@redhat.com>
Added null_blk prefix to error message.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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vdc_blk_queue_start() may be called from irq context, so we can't run
queue via blk_mq_start_hw_queues() since we never allow to run queue
from irq context. Use blk_mq_start_stopped_hw_queues(q, true) to fix
this issue.
Fixes: fa182a1fa97dff56cd ("sunvdc: convert to blk-mq")
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Tested-by: Anatoly Pugachev <matorola@gmail.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: sparclinux@vger.kernel.org
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/shli/md into for-linus
Pull the pending 4.21 changes for md from Shaohua.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md: fix raid10 hang issue caused by barrier
raid10: refactor common wait code from regular read/write request
md: remvoe redundant condition check
lib/raid6: add option to skip algo benchmarking
lib/raid6: sort algos in rough performance order
lib/raid6: check for assembler SSSE3 support
lib/raid6: avoid __attribute_const__ redefinition
lib/raid6: add missing include for raid6test
md: remove set but not used variable 'bi_rdev'
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"A tiny pull request this merge window unfortunately, should get more
material in for the next release:
- new driver for Raspberry Pi's touchscreen (firmware interface)
- miscellaneous input driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G
Input: atmel_mxt_ts - don't try to free unallocated kernel memory
Input: drv2667 - fix indentation issues
Input: touchscreen - fix coding style issue
Input: add official Raspberry Pi's touchscreen driver
Input: nomadik-ske-keypad - fix a loop timeout test
Input: rotary-encoder - don't log EPROBE_DEFER to kernel log
Input: olpc_apsp - remove set but not used variable 'np'
Input: olpc_apsp - enable the SP clock
Input: olpc_apsp - check FIFO status on open(), not probe()
Input: olpc_apsp - drop CONFIG_OLPC dependency
clk: mmp2: add SP clock
dt-bindings: marvell,mmp2: Add clock id for the SP clock
Input: ad7879 - drop platform data support
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Pull virtio/vhost updates from Michael Tsirkin:
"Features, fixes, cleanups:
- discard in virtio blk
- misc fixes and cleanups"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost: correct the related warning message
vhost: split structs into a separate header file
virtio: remove deprecated VIRTIO_PCI_CONFIG()
vhost/vsock: switch to a mutex for vhost_vsock_hash
virtio_blk: add discard and write zeroes support
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Pull more block updates from Jens Axboe:
- Dead code removal for loop/sunvdc (Chengguang)
- Mark BIDI support for bsg as deprecated, logging a single dmesg
warning if anyone is actually using it (Christoph)
- blkcg cleanup, killing a dead function and making the tryget_closest
variant easier to read (Dennis)
- Floppy fixes, one fixing a regression in swim3 (Finn)
- lightnvm use-after-free fix (Gustavo)
- gdrom leak fix (Wenwen)
- a set of drbd updates (Lars, Luc, Nathan, Roland)
* tag 'for-4.21/block-20190102' of git://git.kernel.dk/linux-block: (28 commits)
block/swim3: Fix regression on PowerBook G3
block/swim3: Fix -EBUSY error when re-opening device after unmount
block/swim3: Remove dead return statement
block/amiflop: Don't log error message on invalid ioctl
gdrom: fix a memory leak bug
lightnvm: pblk: fix use-after-free bug
block: sunvdc: remove redundant code
block: loop: remove redundant code
bsg: deprecate BIDI support in bsg
blkcg: remove unused __blkg_release_rcu()
blkcg: clean up blkg_tryget_closest()
drbd: Change drbd_request_detach_interruptible's return type to int
drbd: Avoid Clang warning about pointless switch statment
drbd: introduce P_ZEROES (REQ_OP_WRITE_ZEROES on the "wire")
drbd: skip spurious timeout (ping-timeo) when failing promote
drbd: don't retry connection if peers do not agree on "authentication" settings
drbd: fix print_st_err()'s prototype to match the definition
drbd: avoid spurious self-outdating with concurrent disconnect / down
drbd: do not block when adjusting "disk-options" while IO is frozen
drbd: fix comment typos
...
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Pull libata fix from Jens Axboe:
"This libata change missed the original libata pull request.
Just a single fix in here, fixing a missed reference drop"
* tag 'for-4.21/libata-20190102' of git://git.kernel.dk/linux-block:
ata: pata_macio: add of_node_put()
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull more clk updates from Stephen Boyd:
"One more patch to generalize a set of DT binding defines now before
-rc1 comes out.
This way the SoC DTS files can use the proper defines from a stable
tag"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: imx8qxp: make the name of clock ID generic
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device properties framework fixes from Rafael Wysocki:
"Fix two potential NULL pointer dereferences found by Coverity in the
software nodes code introduced recently (Colin Ian King)"
* tag 'devprop-4.21-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
drivers: base: swnode: check if swnode is NULL before dereferencing it
drivers: base: swnode: check if pointer p is NULL before dereferencing it
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git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- Introduce device-managed registration
devm_mbox_controller_un/register and convert drivers to use it
- Introduce flush api to support clients that must busy-wait in atomic
context
- Support multiple controllers per device
- Hi3660: a bugfix and constify ops structure
- TI-MsgMgr: off by one bugfix.
- BCM: switch to spdx license
- Tegra-HSP: support for shared mailboxes and suspend/resume.
* tag 'mailbox-v4.21' of git://git.linaro.org/landing-teams/working/fujitsu/integration: (30 commits)
mailbox: tegra-hsp: Use device-managed registration API
mailbox: tegra-hsp: use devm_kstrdup_const()
mailbox: tegra-hsp: Add suspend/resume support
mailbox: tegra-hsp: Add support for shared mailboxes
dt-bindings: tegra186-hsp: Add shared mailboxes
mailbox: Allow multiple controllers per device
mailbox: Support blocking transfers in atomic context
mailbox: ti-msgmgr: Use device-managed registration API
mailbox: stm32-ipcc: Use device-managed registration API
mailbox: rockchip: Use device-managed registration API
mailbox: qcom-apcs: Use device-managed registration API
mailbox: platform-mhu: Use device-managed registration API
mailbox: omap: Use device-managed registration API
mailbox: mtk-cmdq: Remove needless devm_kfree() calls
mailbox: mtk-cmdq: Use device-managed registration API
mailbox: xgene-slimpro: Use device-managed registration API
mailbox: sti: Use device-managed registration API
mailbox: altera: Use device-managed registration API
mailbox: imx: Use device-managed registration API
mailbox: hi6220: Use device-managed registration API
...
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
- A larger update for the zcrypt / AP bus code:
+ Update two inline assemblies in the zcrypt driver to make gcc happy
+ Add a missing reply code for invalid special commands for zcrypt
+ Allow AP device reset to be triggered from user space
+ Split the AP scan function into smaller, more readable functions
- Updates for vfio-ccw and vfio-ap
+ Add maintainers and reviewer for vfio-ccw
+ Include facility.h in vfio_ap_drv.c to avoid fragile include chain
+ Simplicy vfio-ccw state machine
- Use the common code version of bust_spinlocks
- Make use of the DEFINE_SHOW_ATTRIBUTE
- Fix three incorrect file permissions in the DASD driver
- Remove bit spin-lock from the PCI interrupt handler
- Fix GFP_ATOMIC vs GFP_KERNEL in the PCI code
* tag 's390-4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/zcrypt: rework ap scan bus code
s390/zcrypt: make sysfs reset attribute trigger queue reset
s390/pci: fix sleeping in atomic during hotplug
s390/pci: remove bit_lock usage in interrupt handler
s390/drivers: fix proc/debugfs file permissions
s390: convert to DEFINE_SHOW_ATTRIBUTE
MAINTAINERS/vfio-ccw: add Farhan and Eric, make Halil Reviewer
vfio: ccw: Merge BUSY and BOXED states
s390: use common bust_spinlocks()
s390/zcrypt: improve special ap message cmd handling
s390/ap: rework assembler functions to use unions for in/out register variables
s390: vfio-ap: include <asm/facility> for test_facility()
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull TPM updates from James Morris:
- Support for partial reads of /dev/tpm0.
- Clean up for TPM 1.x code: move the commands to tpm1-cmd.c and make
everything to use the same data structure for building TPM commands
i.e. struct tpm_buf.
* 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (25 commits)
tpm: add support for partial reads
tpm: tpm_ibmvtpm: fix kdoc warnings
tpm: fix kdoc for tpm2_flush_context_cmd()
tpm: tpm_try_transmit() refactor error flow.
tpm: use u32 instead of int for PCR index
tpm1: reimplement tpm1_continue_selftest() using tpm_buf
tpm1: reimplement SAVESTATE using tpm_buf
tpm1: rename tpm1_pcr_read_dev to tpm1_pcr_read()
tpm1: implement tpm1_pcr_read_dev() using tpm_buf structure
tpm: tpm1: rewrite tpm1_get_random() using tpm_buf structure
tpm: tpm-space.c remove unneeded semicolon
tpm: tpm-interface.c drop unused macros
tpm: add tpm_auto_startup() into tpm-interface.c
tpm: factor out tpm_startup function
tpm: factor out tpm 1.x pm suspend flow into tpm1-cmd.c
tpm: move tpm 1.x selftest code from tpm-interface.c tpm1-cmd.c
tpm: factor out tpm1_get_random into tpm1-cmd.c
tpm: move tpm_getcap to tpm1-cmd.c
tpm: move tpm1_pcr_extend to tpm1-cmd.c
tpm: factor out tpm_get_timeouts()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
- Page table code for AMD IOMMU now supports large pages where smaller
page-sizes were mapped before. VFIO had to work around that in the
past and I included a patch to remove it (acked by Alex Williamson)
- Patches to unmodularize a couple of IOMMU drivers that would never
work as modules anyway.
- Work to unify the the iommu-related pointers in 'struct device' into
one pointer. This work is not finished yet, but will probably be in
the next cycle.
- NUMA aware allocation in iommu-dma code
- Support for r8a774a1 and r8a774c0 in the Renesas IOMMU driver
- Scalable mode support for the Intel VT-d driver
- PM runtime improvements for the ARM-SMMU driver
- Support for the QCOM-SMMUv2 IOMMU hardware from Qualcom
- Various smaller fixes and improvements
* tag 'iommu-updates-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (78 commits)
iommu: Check for iommu_ops == NULL in iommu_probe_device()
ACPI/IORT: Don't call iommu_ops->add_device directly
iommu/of: Don't call iommu_ops->add_device directly
iommu: Consolitate ->add/remove_device() calls
iommu/sysfs: Rename iommu_release_device()
dmaengine: sh: rcar-dmac: Use device_iommu_mapped()
xhci: Use device_iommu_mapped()
powerpc/iommu: Use device_iommu_mapped()
ACPI/IORT: Use device_iommu_mapped()
iommu/of: Use device_iommu_mapped()
driver core: Introduce device_iommu_mapped() function
iommu/tegra: Use helper functions to access dev->iommu_fwspec
iommu/qcom: Use helper functions to access dev->iommu_fwspec
iommu/of: Use helper functions to access dev->iommu_fwspec
iommu/mediatek: Use helper functions to access dev->iommu_fwspec
iommu/ipmmu-vmsa: Use helper functions to access dev->iommu_fwspec
iommu/dma: Use helper functions to access dev->iommu_fwspec
iommu/arm-smmu: Use helper functions to access dev->iommu_fwspec
ACPI/IORT: Use helper functions to access dev->iommu_fwspec
iommu: Introduce wrappers around dev->iommu_fwspec
...
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Pull dmaengine updates from Vinod Koul:
"This includes a new driver, removes R-Mobile APE6 as it is no longer
used, sprd cyclic dma support, last batch of dma_slave_config
direction removal and random updates to bunch of drivers.
Summary:
- New driver for UniPhier MIO DMA controller
- Remove R-Mobile APE6 support
- Sprd driver updates and support for cyclic link-list
- Remove dma_slave_config direction usage from rest of drivers
- Minor updates to dmatest, dw-dmac, zynqmp and bcm dma drivers"
* tag 'dmaengine-4.21-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (48 commits)
dmaengine: qcom_hidma: convert to DEFINE_SHOW_ATTRIBUTE
dmaengine: pxa: remove DBGFS_FUNC_DECL()
dmaengine: mic_x100_dma: convert to DEFINE_SHOW_ATTRIBUTE
dmaengine: amba-pl08x: convert to DEFINE_SHOW_ATTRIBUTE
dmaengine: Documentation: Add documentation for multi chan testing
dmaengine: dmatest: Add transfer_size parameter
dmaengine: dmatest: Add alignment parameter
dmaengine: dmatest: Use fixed point div to calculate iops
dmaengine: dmatest: Add support for multi channel testing
dmaengine: rcar-dmac: Document R8A774C0 bindings
dt-bindings: dmaengine: usb-dmac: Add binding for r8a774c0
dmaengine: zynqmp_dma: replace spin_lock_bh with spin_lock_irqsave
dmaengine: sprd: Add me as one of the module authors
dmaengine: sprd: Support DMA 2-stage transfer mode
dmaengine: sprd: Support DMA link-list cyclic callback
dmaengine: sprd: Set cur_desc as NULL when free or terminate one dma channel
dmaengine: sprd: Fix the last link-list configuration
dmaengine: sprd: Get transfer residue depending on the transfer direction
dmaengine: sprd: Remove direction usage from struct dma_slave_config
dmaengine: dmatest: fix a small memory leak in dmatest_func()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- new %ptR printk format
- rename core files
- allow registration of multiple nvmem devices
New driver:
- i.MX system controller RTC
Driver updates:
- abx80x: handle voltage ioctls, correct binding doc
- m41t80: correct month in alarm reads
- pcf85363: add pcf85263 support
- pcf8523: properly handle battery low flag
- s3c: limit alarm to one year in the future as ALMYEAR is broken
- sun6i: rework clock output binding"
* tag 'rtc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (54 commits)
rtc: rename core files
rtc: nvmem: fix possible use after free
rtc: add i.MX system controller RTC support
dt-bindings: fsl: scu: add rtc binding
rtc: pcf2123: Add Microcrystal rv2123
rtc: class: reimplement devm_rtc_device_register
rtc: enforce rtc_timer_init private_data type
rtc: abx80x: Implement RTC_VL_READ,CLR ioctls
rtc: pcf85363: Add support for NXP pcf85263 rtc
dt-bindings: rtc: pcf85363: Document pcf85263 real-time clock
rtc: pcf8523: don't return invalid date when battery is low
dt-bindings: rtc: use a generic node name for ds1307
PM: Switch to use %ptR
m68k/mac: Switch to use %ptR
Input: hp_sdc_rtc - Switch to use %ptR
rtc: tegra: Switch to use %ptR
rtc: s5m: Switch to use %ptR
rtc: s3c: Switch to use %ptR
rtc: rx8025: Switch to use %ptR
rtc: rx6110: Switch to use %ptR
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"We have no core changes but lots of incremental development in drivers
all over the place: Renesas, NXP, Mediatek and Actions Semiconductor
keep churning out new SoCs.
I have some subtree maintainers for Renesas and Intel helping out to
keep down the load, it's been working smoothly (Samsung also have a
subtree but it was not used this cycle.)
New drivers:
- NXP (ex Freescale) i.MX 8 QXP SoC driver.
- Mediatek MT6797 SoC driver.
- Mediatek MT7629 SoC driver.
- Actions Semiconductor S700 SoC driver.
- Renesas RZ/A2 SoC driver.
- Allwinner sunxi suniv F1C100 SoC driver.
- Qualcomm PMS405 PMIC driver.
- Microsemi Ocelot Jaguar2 SoC driver.
Improvements:
- Some RT improvements (using raw spinlocks where appropriate).
- A lot of new pin sets on the Renesas PFC pin controllers.
- GPIO hogs now work on the Qualcomm SPMI/SSBI pin controller GPIO
chips, and Xway.
- Major modernization of the Intel pin control drivers.
- STM32 pin control driver will now synchronize usage of pins with
another CPU using a hardware spinlock"
* tag 'pinctrl-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (145 commits)
dt-bindings: arm: fsl-scu: add imx8qm pinctrl support
pinctrl: freescale: Break dependency on SOC_IMX8MQ for i.MX8MQ
pinctrl: imx-scu: Depend on IMX_SCU
pinctrl: ocelot: Add dependency on HAS_IOMEM
pinctrl: ocelot: add MSCC Jaguar2 support
pinctrl: bcm: ns: support updated DT binding as syscon subnode
dt-bindings: pinctrl: bcm4708-pinmux: rework binding to use syscon
MAINTAINERS: merge at91 pinctrl entries
pinctrl: imx8qxp: break the dependency on SOC_IMX8QXP
pinctrl: uniphier: constify uniphier_pinctrl_socdata
pinctrl: mediatek: improve Kconfig dependencies
pinctrl: msm: mark PM functions as __maybe_unused
dt-bindings: pinctrl: sunxi: Add supply properties
pinctrl: meson: meson8b: add the missing GPIO_GROUPs for BOOT and CARD
pinctrl: meson: meson8: add the missing GPIO_GROUPs for BOOT and CARD
pinctrl: meson: meson8: rename the "gpio" function to "gpio_periphs"
pinctrl: meson: meson8: rename the "gpio" function to "gpio_periphs"
pinctrl: meson: meson8b: fix the GPIO function for the GPIOAO pins
pinctrl: meson: meson8: fix the GPIO function for the GPIOAO pins
pinctrl: sh-pfc: Make pinmux_cfg_reg.var_field_width[] variable-length
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add TQ-Systems TQMX86 watchdog driver
- add Qualcomm PM8916 watchdog driver
- w83627hf_wdt: add quirk for Inves system
- renesas_wdt: several improvements and document r8a774c0 support
- mena21_wdt, mtx-1: Convert to use GPIO descriptor
- bcm281xx, ie6xx_wdt: convert to DEFINE_SHOW_ATTRIBUTE
- documentation: add PM usage and kernel-api: don't reference removed functions
- update bindings for MT7629 SoC
- several small fixes
* tag 'linux-watchdog-4.21-rc1' of git://www.linux-watchdog.org/linux-watchdog: (22 commits)
watchdog: tqmx86: Add watchdog driver for the IO controller
dt-bindings: watchdog: renesas-wdt: Document r8a774c0 support
watchdog: docs: kernel-api: don't reference removed functions
watchdog: add documentation for PM usage
watchdog: mtx-1: Convert to use GPIO descriptor
watchdog: mena21_wdt: Convert to GPIO descriptors
dt-bindings: watchdog: Add Qualcomm PM8916 watchdog
watchdog: Add pm8916 watchdog driver
dt-bindings: watchdog: update bindings for MT7629 SoC
watchdog: renesas_wdt: don't keep timer value during suspend/resume
watchdog: ie6xx_wdt: convert to DEFINE_SHOW_ATTRIBUTE
watchdog: bcm281xx: convert to DEFINE_SHOW_ATTRIBUTE
watchdog: asm9260_wdt: make array mode_name static, shrinks object size
watchdog/hpwdt: Update driver version.
watchdog/hpwdt: Do not claim unsupported hardware
watchdog/hpwdt: Exclude via blacklist
Watchdog: remove outdated comment
watchdog: w83627hf_wdt: Add quirk for Inves system
watchdog: cpwd: add of_node_put()
watchdog: renesas_wdt: don't set divider while watchdog is running
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Misc driver updates for platforms, many of them power related.
- Rockchip adds power domain support for rk3066 and rk3188
- Amlogic adds a power measurement driver
- Allwinner adds SRAM support for three platforms (F1C100, H5, A64
C1)
- Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7
- Broadcom fixes suspend/resume with Thumb2 kernels, and improves
stability of a handful of firmware/platform interfaces
- PXA completes their conversion to dmaengine framework
- Renesas does a bunch of PM cleanups across many platforms
- Tegra adds support for suspend/resume on T186/T194, which includes
some driver cleanups and addition of wake events
- Tegra also adds a driver for memory controller (EMC) on Tegra2
- i.MX tweaks power domain bindings, and adds support for i.MX8MQ in
GPC
- Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60
and misc cleanups across several platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
ARM: at91: add support in soc driver for new SAM9X60
ARM: at91: add support in soc driver for LPDDR2 SiP
memory: omap-gpmc: Use of_node_name_eq for node name comparisons
bus: ti-sysc: Check for no-reset and no-idle flags at the child level
ARM: OMAP2+: Check also the first dts child for hwmod flags
soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
soc: imx: gpc: Increase GPC_CLK_MAX to 7
soc: renesas: rcar-sysc: Fix power domain control after system resume
soc: renesas: rcar-sysc: Merge PM Domain registration and linking
soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
dt-bindings: sram: Add Allwinner suniv F1C100s
soc: sunxi: sram: Add support for the H5 SoC system control
soc: sunxi: sram: Enable EMAC clock access for H3 variant
soc: imx: gpcv2: add support for i.MX8MQ SoC
soc: imx: gpcv2: move register access table to domain data
soc: imx: gpcv2: prefix i.MX7 specific defines
dmaengine: pxa: make the filter function internal
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm SoC platform updates from Olof Johansson:
"SoC updates, mostly refactorings and cleanups of old legacy platforms,
but also a few more things:
New SoC support this release:
- NXP/Freescale i.MX7ULP (1x Cortex-A7, Cortex-M4, graphics, etc)
- Allwinner F1C100, older platform with an ARM926-EJS (ARMv5) core
Cleanups of various platforms:
- OMAP1 ams-delta does some GPIO cleanups
- Davinci removes of at24 platform data
- Samsung cleans up old wakeup, PM debug and secondary core boot code
- Renesas moves around config options and PM code to drivers/soc for
sharing with 64-bit and more consistency
- i.MX, Broadcom and SoCFPGA all have tweaks to lowlevel debug
console setups
- SoCFPGA adds explicit selection of ARM errata and removes some
unused code
This also contains a few patches that I had queued up as fixes for
4.20 but didn't send in before the release"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (68 commits)
arm64: dts: renesas: draak: Fix CVBS input
ARM: omap2: avoid section mismatch warning
ARM: tegra: avoid section mismatch warning
ARM: ks8695: fix section mismatch warning
ARM: pxa: avoid section mismatch warning
ARM: mmp: fix pxa168_device_usb_phy use on aspenite
ARM: mmp: fix timer_init calls
ARM: OMAP1: fix USB configuration for device-only setups
ARM: OMAP1: add MMC configuration for Palm Tungsten E
ARM: imx: fix dependencies on imx7ulp
ARM: meson: select HAVE_ARM_TWD and ARM_GLOBAL_TIMER
MAINTAINERS: add drivers/soc/amlogic/ to amlogic list
ARM: imx: add initial support for imx7ulp
ARM: debug-imx: only define DEBUG_IMX_UART_PORT if needed
ARM: dts: Fix OMAP4430 SDP Ethernet startup
ARM: dts: am335x-pdu001: Fix polarity of card detection input
ARM: OMAP1: ams-delta: Fix audio permanently muted
ARM: dts: omap5: Fix dual-role mode on Super-Speed port
arm64: dts: rockchip: fix rk3399-rockpro64 regulator gpios
ARM: davinci: da850-evm: remove unnecessary include
...
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Merge in fixes here, since the last batch didn't make it in before the
release of 4.20, and we might as well group them with this set of
patches.
* fixes: (822 commits)
arm64: dts: renesas: draak: Fix CVBS input
ARM: dts: Fix OMAP4430 SDP Ethernet startup
ARM: dts: am335x-pdu001: Fix polarity of card detection input
ARM: OMAP1: ams-delta: Fix audio permanently muted
ARM: dts: omap5: Fix dual-role mode on Super-Speed port
arm64: dts: rockchip: fix rk3399-rockpro64 regulator gpios
ARM: dts: imx7d-nitrogen7: Fix the description of the Wifi clock
ARM: imx: update the cpu power up timing setting on i.mx6sx
Revert "arm64: dts: marvell: add CPU Idle power state support on Armada 7K/8K"
ARM: dts: imx7d-pico: Describe the Wifi clock
ARM: dts: realview: Fix some more duplicate regulator nodes
MAINTAINERS: update entry for MMP platform
ARM: mmp/mmp2: fix cpu_is_mmp2() on mmp2-dt
MAINTAINERS: mediatek: Update SoC entry
ARM: dts: bcm2837: Fix polarity of wifi reset GPIOs
+ Linux 4.20-rc5
Signed-off-by: Olof Johansson <olof@lixom.net>
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As of v4.20, the swim3 driver crashes when loaded on a PowerBook G3
(Wallstreet).
MacIO PCI driver attached to Gatwick chipset
MacIO PCI driver attached to Heathrow chipset
swim3 0.00015000:floppy: [fd0] SWIM3 floppy controller in media bay
0.00013020:ch-a: ttyS0 at MMIO 0xf3013020 (irq = 16, base_baud = 230400) is a Z85c30 ESCC - Serial port
0.00013000:ch-b: ttyS1 at MMIO 0xf3013000 (irq = 17, base_baud = 230400) is a Z85c30 ESCC - Infrared port
macio: fixed media-bay irq on gatwick
macio: fixed left floppy irqs
swim3 1.00015000:floppy: [fd1] Couldn't request interrupt
Unable to handle kernel paging request for data at address 0x00000024
Faulting instruction address: 0xc02652f8
Oops: Kernel access of bad area, sig: 11 [#1]
BE SMP NR_CPUS=2 PowerMac
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.20.0 #2
NIP: c02652f8 LR: c026915c CTR: c0276d1c
REGS: df43ba10 TRAP: 0300 Not tainted (4.20.0)
MSR: 00009032 <EE,ME,IR,DR,RI> CR: 28228288 XER: 00000100
DAR: 00000024 DSISR: 40000000
GPR00: c026915c df43bac0 df439060 c0731524 df494700 00000000 c06e1c08 00000001
GPR08: 00000001 00000000 df5ff220 00001032 28228282 00000000 c0004ca4 00000000
GPR16: 00000000 00000000 00000000 c073144c dfffe064 c0731524 00000120 c0586108
GPR24: c073132c c073143c c073143c 00000000 c0731524 df67cd70 df494700 00000001
NIP [c02652f8] blk_mq_free_rqs+0x28/0xf8
LR [c026915c] blk_mq_sched_tags_teardown+0x58/0x84
Call Trace:
[df43bac0] [c0045f50] flush_workqueue_prep_pwqs+0x178/0x1c4 (unreliable)
[df43bae0] [c026915c] blk_mq_sched_tags_teardown+0x58/0x84
[df43bb00] [c02697f0] blk_mq_exit_sched+0x9c/0xb8
[df43bb20] [c0252794] elevator_exit+0x84/0xa4
[df43bb40] [c0256538] blk_exit_queue+0x30/0x50
[df43bb50] [c0256640] blk_cleanup_queue+0xe8/0x184
[df43bb70] [c034732c] swim3_attach+0x330/0x5f0
[df43bbb0] [c034fb24] macio_device_probe+0x58/0xec
[df43bbd0] [c032ba88] really_probe+0x1e4/0x2f4
[df43bc00] [c032bd28] driver_probe_device+0x64/0x204
[df43bc20] [c0329ac4] bus_for_each_drv+0x60/0xac
[df43bc50] [c032b824] __device_attach+0xe8/0x160
[df43bc80] [c032ab38] bus_probe_device+0xa0/0xbc
[df43bca0] [c0327338] device_add+0x3d8/0x630
[df43bcf0] [c0350848] macio_add_one_device+0x444/0x48c
[df43bd50] [c03509f8] macio_pci_add_devices+0x168/0x1bc
[df43bd90] [c03500ec] macio_pci_probe+0xc0/0x10c
[df43bda0] [c02ad884] pci_device_probe+0xd4/0x184
[df43bdd0] [c032ba88] really_probe+0x1e4/0x2f4
[df43be00] [c032bd28] driver_probe_device+0x64/0x204
[df43be20] [c032bfcc] __driver_attach+0x104/0x108
[df43be40] [c0329a00] bus_for_each_dev+0x64/0xb4
[df43be70] [c032add8] bus_add_driver+0x154/0x238
[df43be90] [c032ca24] driver_register+0x84/0x148
[df43bea0] [c0004aa0] do_one_initcall+0x40/0x188
[df43bf00] [c0690100] kernel_init_freeable+0x138/0x1d4
[df43bf30] [c0004cbc] kernel_init+0x18/0x10c
[df43bf40] [c00121e4] ret_from_kernel_thread+0x14/0x1c
Instruction dump:
5484d97e 4bfff4f4 9421ffe0 7c0802a6 bf410008 7c9e2378 90010024 8124005c
2f890000 419e0078 81230004 7c7c1b78 <81290024> 2f890000 419e0064 81440000
---[ end trace 12025ab921a9784c ]---
Reverting commit 8ccb8cb1892b ("swim3: convert to blk-mq") resolves the
problem.
That commit added a struct blk_mq_tag_set to struct floppy_state and
initialized it with a blk_mq_init_sq_queue() call. Unfortunately, there
is a memset() in swim3_add_device() that subsequently clears the
floppy_state struct. That means fs->tag_set->ops is a NULL pointer, and
it gets dereferenced by blk_mq_free_rqs() which gets called in the
request_irq() error path. Move the memset() to fix this bug.
BTW, the request_irq() failure for the left mediabay floppy (fd1) is not
a regression. I don't know why it happens. The right media bay floppy
(fd0) works fine however.
Reported-and-tested-by: Stan Johnson <userm57@yahoo.com>
Fixes: 8ccb8cb1892b ("swim3: convert to blk-mq")
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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When the block device is opened with FMODE_EXCL, ref_count is set to -1.
This value doesn't get reset when the device is closed which means the
device cannot be opened again. Fix this by checking for refcount <= 0
in the release method.
Reported-and-tested-by: Stan Johnson <userm57@yahoo.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Cc: linux-m68k@lists.linux-m68k.org
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Rename core files so there is a clearer separation between the RTC core and
the RTC drivers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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In cas of probe failure, devres may free the memory allocated for
rtc->nvram before devm_rtc_release_device() is called. This leads to
rtc_nvram_unregister using it after being freed which may lead to a crash.
This has been shown to happen after commit 461e557b9727 ("rtc: nvmem: use
devm_nvmem_register()")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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