| Commit message (Collapse) | Author | Age | Files | Lines |
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During the review of the iproute2 patches for txtime-assist mode, it was
pointed out that it does not make sense for the txtime-delay parameter to
be negative. So, change the type of the parameter from s32 to u32.
Fixes: 4cfd5779bd6e ("taprio: Add support for txtime-assist mode")
Reported-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Notable changes:
- Removal of the NPU DMA code, used by the out-of-tree Nvidia driver,
as well as some other functions only used by drivers that haven't
(yet?) made it upstream.
- A fix for a bug in our handling of hardware watchpoints (eg. perf
record -e mem: ...) which could lead to register corruption and
kernel crashes.
- Enable HAVE_ARCH_HUGE_VMAP, which allows us to use large pages for
vmalloc when using the Radix MMU.
- A large but incremental rewrite of our exception handling code to
use gas macros rather than multiple levels of nested CPP macros.
And the usual small fixes, cleanups and improvements.
Thanks to: Alastair D'Silva, Alexey Kardashevskiy, Andreas Schwab,
Aneesh Kumar K.V, Anju T Sudhakar, Anton Blanchard, Arnd Bergmann,
Athira Rajeev, Cédric Le Goater, Christian Lamparter, Christophe
Leroy, Christophe Lombard, Christoph Hellwig, Daniel Axtens, Denis
Efremov, Enrico Weigelt, Frederic Barrat, Gautham R. Shenoy, Geert
Uytterhoeven, Geliang Tang, Gen Zhang, Greg Kroah-Hartman, Greg Kurz,
Gustavo Romero, Krzysztof Kozlowski, Madhavan Srinivasan, Masahiro
Yamada, Mathieu Malaterre, Michael Neuling, Nathan Lynch, Naveen N.
Rao, Nicholas Piggin, Nishad Kamdar, Oliver O'Halloran, Qian Cai, Ravi
Bangoria, Sachin Sant, Sam Bobroff, Satheesh Rajendran, Segher
Boessenkool, Shaokun Zhang, Shawn Anastasio, Stewart Smith, Suraj
Jitindar Singh, Thiago Jung Bauermann, YueHaibing"
* tag 'powerpc-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (163 commits)
powerpc/powernv/idle: Fix restore of SPRN_LDBAR for POWER9 stop state.
powerpc/eeh: Handle hugepages in ioremap space
ocxl: Update for AFU descriptor template version 1.1
powerpc/boot: pass CONFIG options in a simpler and more robust way
powerpc/boot: add {get, put}_unaligned_be32 to xz_config.h
powerpc/irq: Don't WARN continuously in arch_local_irq_restore()
powerpc/module64: Use symbolic instructions names.
powerpc/module32: Use symbolic instructions names.
powerpc: Move PPC_HA() PPC_HI() and PPC_LO() to ppc-opcode.h
powerpc/module64: Fix comment in R_PPC64_ENTRY handling
powerpc/boot: Add lzo support for uImage
powerpc/boot: Add lzma support for uImage
powerpc/boot: don't force gzipped uImage
powerpc/8xx: Add microcode patch to move SMC parameter RAM.
powerpc/8xx: Use IO accessors in microcode programming.
powerpc/8xx: replace #ifdefs by IS_ENABLED() in microcode.c
powerpc/8xx: refactor programming of microcode CPM params.
powerpc/8xx: refactor printing of microcode patch name.
powerpc/8xx: Refactor microcode write
powerpc/8xx: refactor writing of CPM microcode arrays
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The OpenCAPI discovery and configuration specification has been
updated and introduces version 1.1 of the AFU descriptor template,
with new fields to better define the memory layout of an OpenCAPI
adapter.
The ocxl driver doesn't do much yet to support LPC memory but as we
start seeing (non-LPC) AFU images using the new template, this patch
updates the config space parsing code to avoid spitting a warning.
Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190605111545.19762-1-fbarrat@linux.ibm.com
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Linux kernel tolerates C++ style comments these days. Actually, the
SPDX License tags for .c files start with //.
On the other hand, uapi headers are written in more strict C, where
the C++ comment style is forbidden.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Pull networking fixes from David Miller:
1) Fix excessive stack usage in cxgb4, from Arnd Bergmann.
2) Missing skb queue lock init in tipc, from Chris Packham.
3) Fix some regressions in ipv6 flow label handling, from Eric Dumazet.
4) Elide flow dissection of local packets in FIB rules, from Petar
Penkov.
5) Fix TLS support build failure in mlx5, from Tariq Toukab.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (36 commits)
ppp: mppe: Revert "ppp: mppe: Add softdep to arc4"
net: dsa: qca8k: replace legacy gpio include
net: hisilicon: Use devm_platform_ioremap_resource
cxgb4: reduce kernel stack usage in cudbg_collect_mem_region()
tipc: ensure head->lock is initialised
tc-tests: updated skbedit tests
nfp: flower: ensure ip protocol is specified for L4 matches
nfp: flower: fix ethernet check on match fields
net/mlx5e: Provide cb_list pointer when setting up tc block on rep
net: phy: make exported variables non-static
net: sched: Fix NULL-pointer dereference in tc_indr_block_ing_cmd()
davinci_cpdma: don't cast dma_addr_t to pointer
net: openvswitch: do not update max_headroom if new headroom is equal to old headroom
net/mlx5e: Convert single case statement switch statements into if statements
net/mlx5: E-Switch, Reduce ingress acl modify metadata stack usage
net/mlx5e: Fix unused variable warning when CONFIG_MLX5_ESWITCH is off
net/mlx5e: Fix compilation error in TLS code
ipv6: fix static key imbalance in fl_create()
ipv6: fix potential crash in ip6_datagram_dst_update()
ipv6: tcp: fix flowlabels reflection for RST packets
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The variables phy_basic_ports_array, phy_fibre_port_array and
phy_all_ports_features_array are declared static and marked
EXPORT_SYMBOL_GPL(), which is at best an odd combination.
Because the variables were decided to be a part of API, this commit
removes the static attributes and adds the declarations to the header.
Fixes: 3c1bcc8614db ("net: ethernet: Convert phydev advertize and supported from u32 to link mode")
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After recent refactoring of block offlads infrastructure, indr_dev->block
pointer is dereferenced before it is verified to be non-NULL. Example stack
trace where this behavior leads to NULL-pointer dereference error when
creating vxlan dev on system with mlx5 NIC with offloads enabled:
[ 1157.852938] ==================================================================
[ 1157.866877] BUG: KASAN: null-ptr-deref in tc_indr_block_ing_cmd.isra.41+0x9c/0x160
[ 1157.880877] Read of size 4 at addr 0000000000000090 by task ip/3829
[ 1157.901637] CPU: 22 PID: 3829 Comm: ip Not tainted 5.2.0-rc6+ #488
[ 1157.914438] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017
[ 1157.929031] Call Trace:
[ 1157.938318] dump_stack+0x9a/0xeb
[ 1157.948362] ? tc_indr_block_ing_cmd.isra.41+0x9c/0x160
[ 1157.960262] ? tc_indr_block_ing_cmd.isra.41+0x9c/0x160
[ 1157.972082] __kasan_report+0x176/0x192
[ 1157.982513] ? tc_indr_block_ing_cmd.isra.41+0x9c/0x160
[ 1157.994348] kasan_report+0xe/0x20
[ 1158.004324] tc_indr_block_ing_cmd.isra.41+0x9c/0x160
[ 1158.015950] ? tcf_block_setup+0x430/0x430
[ 1158.026558] ? kasan_unpoison_shadow+0x30/0x40
[ 1158.037464] __tc_indr_block_cb_register+0x5f5/0xf20
[ 1158.049288] ? mlx5e_rep_indr_tc_block_unbind+0xa0/0xa0 [mlx5_core]
[ 1158.062344] ? tc_indr_block_dev_put.part.47+0x5c0/0x5c0
[ 1158.074498] ? rdma_roce_rescan_device+0x20/0x20 [ib_core]
[ 1158.086580] ? br_device_event+0x98/0x480 [bridge]
[ 1158.097870] ? strcmp+0x30/0x50
[ 1158.107578] mlx5e_nic_rep_netdevice_event+0xdd/0x180 [mlx5_core]
[ 1158.120212] notifier_call_chain+0x6d/0xa0
[ 1158.130753] register_netdevice+0x6fc/0x7e0
[ 1158.141322] ? netdev_change_features+0xa0/0xa0
[ 1158.152218] ? vxlan_config_apply+0x210/0x310 [vxlan]
[ 1158.163593] __vxlan_dev_create+0x2ad/0x520 [vxlan]
[ 1158.174770] ? vxlan_changelink+0x490/0x490 [vxlan]
[ 1158.185870] ? rcu_read_unlock+0x60/0x60 [vxlan]
[ 1158.196798] vxlan_newlink+0x99/0xf0 [vxlan]
[ 1158.207303] ? __vxlan_dev_create+0x520/0x520 [vxlan]
[ 1158.218601] ? rtnl_create_link+0x3d0/0x450
[ 1158.228900] __rtnl_newlink+0x8a7/0xb00
[ 1158.238701] ? stack_access_ok+0x35/0x80
[ 1158.248450] ? rtnl_link_unregister+0x1a0/0x1a0
[ 1158.258735] ? find_held_lock+0x6d/0xd0
[ 1158.268379] ? is_bpf_text_address+0x67/0xf0
[ 1158.278330] ? lock_acquire+0xc1/0x1f0
[ 1158.287686] ? is_bpf_text_address+0x5/0xf0
[ 1158.297449] ? is_bpf_text_address+0x86/0xf0
[ 1158.307310] ? kernel_text_address+0xec/0x100
[ 1158.317155] ? arch_stack_walk+0x92/0xe0
[ 1158.326497] ? __kernel_text_address+0xe/0x30
[ 1158.336213] ? unwind_get_return_address+0x2f/0x50
[ 1158.346267] ? create_prof_cpu_mask+0x20/0x20
[ 1158.355936] ? arch_stack_walk+0x92/0xe0
[ 1158.365117] ? stack_trace_save+0x8a/0xb0
[ 1158.374272] ? stack_trace_consume_entry+0x80/0x80
[ 1158.384226] ? match_held_lock+0x33/0x210
[ 1158.393216] ? kasan_unpoison_shadow+0x30/0x40
[ 1158.402593] rtnl_newlink+0x53/0x80
[ 1158.410925] rtnetlink_rcv_msg+0x3a5/0x600
[ 1158.419777] ? validate_linkmsg+0x400/0x400
[ 1158.428620] ? find_held_lock+0x6d/0xd0
[ 1158.437117] ? match_held_lock+0x1b/0x210
[ 1158.445760] ? validate_linkmsg+0x400/0x400
[ 1158.454642] netlink_rcv_skb+0xc7/0x1f0
[ 1158.463150] ? netlink_ack+0x470/0x470
[ 1158.471538] ? netlink_deliver_tap+0x1f3/0x5a0
[ 1158.480607] netlink_unicast+0x2ae/0x350
[ 1158.489099] ? netlink_attachskb+0x340/0x340
[ 1158.497935] ? _copy_from_iter_full+0xde/0x3b0
[ 1158.506945] ? __virt_addr_valid+0xb6/0xf0
[ 1158.515578] ? __check_object_size+0x159/0x240
[ 1158.524515] netlink_sendmsg+0x4d3/0x630
[ 1158.532879] ? netlink_unicast+0x350/0x350
[ 1158.541400] ? netlink_unicast+0x350/0x350
[ 1158.549805] sock_sendmsg+0x94/0xa0
[ 1158.557561] ___sys_sendmsg+0x49d/0x570
[ 1158.565625] ? copy_msghdr_from_user+0x210/0x210
[ 1158.574457] ? __fput+0x1e2/0x330
[ 1158.581948] ? __kasan_slab_free+0x130/0x180
[ 1158.590407] ? kmem_cache_free+0xb6/0x2d0
[ 1158.598574] ? mark_lock+0xc7/0x790
[ 1158.606177] ? task_work_run+0xcf/0x100
[ 1158.614165] ? exit_to_usermode_loop+0x102/0x110
[ 1158.622954] ? __lock_acquire+0x963/0x1ee0
[ 1158.631199] ? lockdep_hardirqs_on+0x260/0x260
[ 1158.639777] ? match_held_lock+0x1b/0x210
[ 1158.647918] ? lockdep_hardirqs_on+0x260/0x260
[ 1158.656501] ? match_held_lock+0x1b/0x210
[ 1158.664643] ? __fget_light+0xa6/0xe0
[ 1158.672423] ? __sys_sendmsg+0xd2/0x150
[ 1158.680334] __sys_sendmsg+0xd2/0x150
[ 1158.688063] ? __ia32_sys_shutdown+0x30/0x30
[ 1158.696435] ? lock_downgrade+0x2e0/0x2e0
[ 1158.704541] ? mark_held_locks+0x1a/0x90
[ 1158.712611] ? mark_held_locks+0x1a/0x90
[ 1158.720619] ? do_syscall_64+0x1e/0x2c0
[ 1158.728530] do_syscall_64+0x78/0x2c0
[ 1158.736254] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 1158.745414] RIP: 0033:0x7f62d505cb87
[ 1158.753070] Code: 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 80 00 00 00 00 8b 05 6a 2b 2c 00 48 63 d2 48 63 ff 85 c0 75 18 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 59 f3 c3 0f 1f 80 00 00[87/1817]
48 89 f3 48
[ 1158.780924] RSP: 002b:00007fffd9832268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1158.793204] RAX: ffffffffffffffda RBX: 000000005d26048f RCX: 00007f62d505cb87
[ 1158.805111] RDX: 0000000000000000 RSI: 00007fffd98322d0 RDI: 0000000000000003
[ 1158.817055] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000006
[ 1158.828987] R10: 00007f62d50ce260 R11: 0000000000000246 R12: 0000000000000001
[ 1158.840909] R13: 000000000067e540 R14: 0000000000000000 R15: 000000000067ed20
[ 1158.852873] ==================================================================
Introduce new function tcf_block_non_null_shared() that verifies block
pointer before dereferencing it to obtain index. Use the function in
tc_indr_block_ing_cmd() to prevent NULL pointer dereference.
Fixes: 955bcb6ea0df ("drivers: net: use flow block API")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox, mlx5 fixes 2019-07-11
This series introduces some fixes to mlx5 driver.
Please pull and let me know if there is any problem.
For -stable v4.15
('net/mlx5e: IPoIB, Add error path in mlx5_rdma_setup_rn')
For -stable v5.1
('net/mlx5e: Fix port tunnel GRE entropy control')
('net/mlx5e: Rx, Fix checksum calculation for new hardware')
('net/mlx5e: Fix return value from timeout recover function')
('net/mlx5e: Fix error flow in tx reporter diagnose')
For -stable v5.2
('net/mlx5: E-Switch, Fix default encap mode')
Conflict note: This pull request will produce a small conflict when
merged with net-next.
In drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
Take the hunk from net and replace:
esw_offloads_steering_init(esw, vf_nvports, total_nvports);
with:
esw_offloads_steering_init(esw);
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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CQE checksum full mode in new HW, provides a full checksum of rx frame.
Covering bytes starting from eth protocol up to last byte in the received
frame (frame_size - ETH_HLEN), as expected by the stack.
Fixing up skb->csum by the driver is not required in such case. This fix
is to avoid wrong checksum calculation in drivers which already support
the new hardware with the new checksum mode.
Fixes: 85327a9c4150 ("net/mlx5: Update the list of the PCI supported devices")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Rules matching on loopback iif do not need early flow dissection as the
packet originates from the host. Stop counting such rules in
fib_rule_requires_fldissect
Signed-off-by: Petar Penkov <ppenkov@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull IDE update from David Miller:
"Small cleanup"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide:
ide: use BIT() macro for defining bit-flags
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The BIT() macro is available for defining the required bit-flags.
Since it operates on an unsigned value and expands to an unsigned result,
using it, instead of an expression like (1 << x), also fixes the problem
of shifting a signed 32-bit value by 31 bits (e.g. 1 << 31).
Signed-off-by: Amol Surati <suratiamol@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"This contains the following changes for MTD:
MTD core changes:
- New Hyperbus framework
- New _is_locked (concat) implementation
- Various cleanups
NAND core changes:
- use longest matching pattern in ->exec_op() default parser
- export NAND operation tracer
- add flag to indicate panic_write in MTD
- use kzalloc() instead of kmalloc() and memset()
Raw NAND controller drivers changes:
- brcmnand:
- fix BCH ECC layout for large page NAND parts
- fallback to detected ecc-strength, ecc-step-size
- when oops in progress use pio and interrupt polling
- code refactor code to introduce helper functions
- add support for v7.3 controller
- FSMC:
- use nand_op_trace for operation tracing
- GPMI:
- move all driver code into single file
- various cleanups (including dmaengine changes)
- use runtime PM to manage clocks
- implement exec_op
- MTK:
- correct low level time calculation of r/w cycle
- improve data sampling timing for read cycle
- add validity check for CE# pin setting
- fix wrongly assigned OOB buffer pointer issue
- re-license MTK NAND driver as Dual MIT/GPL
- STM32:
- manage the get_irq error case
- increase DMA completion timeouts
Raw NAND chips drivers changes:
- Macronix: add read-retry support
Onenand driver changes:
- add support for 8Gb datasize chips
- avoid fall-through warnings
SPI-NAND changes:
- define macros for page-read ops with three-byte addresses
- add support for two-byte device IDs and then for GigaDevice
GD5F1GQ4UFxxG
- add initial support for Paragon PN26G0xA
- handle the case where the last page read has bitflips
SPI-NOR core changes:
- add support for the mt25ql02g and w25q16jv flashes
- print error in case of jedec read id fails
- is25lp256: add post BFPT fix to correct the addr_width
SPI NOR controller drivers changes:
- intel-spi: Add support for Intel Elkhart Lake SPI serial flash
- smt32: remove the driver as the driver was replaced by spi-stm32-qspi.c
- cadence-quadspi: add reset control"
* tag 'mtd/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (60 commits)
mtd: concat: implement _is_locked mtd operation
mtd: concat: refactor concat_lock/concat_unlock
mtd: abi: do not use C++ style comments in uapi header
mtd: afs: remove unneeded NULL check
mtd: rawnand: stm32_fmc2: increase DMA completion timeouts
mtd: rawnand: Use kzalloc() instead of kmalloc() and memset()
mtd: hyperbus: Add driver for TI's HyperBus memory controller
mtd: spinand: read returns badly if the last page has bitflips
mtd: spinand: Add initial support for Paragon PN26G0xA
mtd: rawnand: mtk: Re-license MTK NAND driver as Dual MIT/GPL
mtd: rawnand: gpmi: remove double assignment to block_size
dt-bindings: mtd: brcmnand: Add brcmnand, brcmnand-v7.3 support
mtd: rawnand: brcmnand: Add support for v7.3 controller
mtd: rawnand: brcmnand: Refactored code to introduce helper functions
mtd: rawnand: brcmnand: When oops in progress use pio and interrupt polling
mtd: Add flag to indicate panic_write
mtd: rawnand: Add Macronix NAND read retry support
mtd: onenand: Avoid fall-through warnings
mtd: spinand: Add support for GigaDevice GD5F1GQ4UFxxG
mtd: spinand: Add support for two-byte device IDs
...
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gitolite.kernel.org:pub/scm/linux/kernel/git/mtd/linux into mtd/next
SPI-NOR core changes:
- add support for the mt25ql02g and w25q16jv flashes
- print error in case of jedec read id fails
- is25lp256: add post BFPT fix to correct the addr_width
SPI NOR controller drivers changes:
- intel-spi: Add support for Intel Elkhart Lake SPI serial flash
- smt32: remove the driver as the driver was replaced by spi-stm32-qspi.c
- cadence-quadspi: add reset control
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This gets rid of the license boilerplate duplicated in each file.
No functional changes intended.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
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Linux kernel tolerates C++ style comments these days. Actually, the
SPDX License tags for .c files start with //.
On the other hand, uapi headers are written in more strict C, where
the C++ comment style is forbidden.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
NAND core changes:
- use longest matching pattern in ->exec_op() default parser
- export NAND operation tracer
- add flag to indicate panic_write in MTD
- use kzalloc() instead of kmalloc() and memset()
Raw NAND controller drivers changes:
- brcmnand:
* fix BCH ECC layout for large page NAND parts
* fallback to detected ecc-strength, ecc-step-size
* when oops in progress use pio and interrupt polling
* code refactor code to introduce helper functions
* add support for v7.3 controller
- FSMC:
* use nand_op_trace for operation tracing
- GPMI:
* move all driver code into single file
* various cleanups (including dmaengine changes)
* use runtime PM to manage clocks
* implement exec_op
- MTK:
* correct low level time calculation of r/w cycle
* improve data sampling timing for read cycle
* add validity check for CE# pin setting
* fix wrongly assigned OOB buffer pointer issue
* re-license MTK NAND driver as Dual MIT/GPL
- STM32:
* manage the get_irq error case
* increase DMA completion timeouts
Raw NAND chips drivers changes:
- Macronix: add read-retry support
Onenand driver changes:
- add support for 8Gb datasize chips
- avoid fall-through warnings
SPI-NAND changes:
- define macros for page-read ops with three-byte addresses
- add support for two-byte device IDs and then for GigaDevice
GD5F1GQ4UFxxG
- add initial support for Paragon PN26G0xA
- handle the case where the last page read has bitflips
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Add initial support for Paragon Technology
PN26G01Axxxxx and PN26G02Axxxxx SPI NAND
Datasheets available at
http://www.xtxtech.com/upfile/2016082517274590.pdf
http://www.xtxtech.com/upfile/2016082517282329.pdf
Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Added a flag to indicate a panic_write so that low level drivers can
use it to take required action where applicable, to ensure oops data
gets written to assigned mtd device.
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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The GigaDevice GD5F1GQ4UFxxG SPI NAND utilizes two-byte device IDs.
http://www.gigadevice.com/datasheet/gd5f1gq4xfxxg/
Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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The GigaDevice GD5F1GQ4UFxxG SPI NAND utilizes three-byte addresses
for its page-read ops.
http://www.gigadevice.com/datasheet/gd5f1gq4xfxxg/
Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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The gpmi driver performance suffers from NAND operations being split
in multiple small DMA transfers. This has been forced by the NAND layer
in the former days, but now with exec_op we can use the controller as
intended.
With this patch gpmi_nfc_exec_op becomes the main entry point to NAND
operations. Here all instructions are collected and chained as separate
DMA transfers. In the end whole chain is fired and waited to be
finished. gpmi_nfc_exec_op only does the hardware operations, bad block
marker swapping and buffer scrambling is done by the callers. It's worth
noting that the nand_*_op functions always take the buffer lengths for
the data that the NAND chip actually transfers. When doing BCH we have
to calculate the net data size from the raw data size in some places.
This patch has been tested with 2048/64 and 2048/128 byte NAND on
i.MX6q. mtd_oobtest, mtd_subpagetest and mtd_speedtest run without
errors. nandbiterrs, nandpagetest and nandsubpagetest userspace tests
from mtdutils run without errors and UBIFS can successfully be mounted.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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The mxs dma driver uses the flags parameter in dmaengine_prep_slave_sg() for
custom flags, but still uses the dmaengine specific names of the flags.
Do a little bit better and at least give the flag a custom name.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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The mxs dma driver can do PIO transfers. A pointer to the PIO words
to transfer is passed in the struct scatterlist * argument of
dmaengine_prep_slave_sg(). It's quite ugly and non obvious to cast
u32 * to struct scatterlist * each time when calling
dmaengine_prep_slave_sg(), so add a static inline wrapper function
to be called by the user along with a description what is going on.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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The NAND core has a NAND operation tracing function, but it can only
be used by drivers using the generic option parser from the NAND core.
Export the tracing function as a static inline function in rawnand.h
so that drivers implementing exec_op directly do not have to write their
own operation tracing.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Used in several S5PV210-based Galaxy S devices, among them SGH-T959V,
SGH-T959P, SGH-T839, and SPH-D700.
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Cypress' HyperBus is Low Signal Count, High Performance Double Data Rate
Bus interface between a host system master and one or more slave
interfaces. HyperBus is used to connect microprocessor, microcontroller,
or ASIC devices with random access NOR flash memory (called HyperFlash)
or self refresh DRAM (called HyperRAM).
Its a 8-bit data bus (DQ[7:0]) with Read-Write Data Strobe (RWDS)
signal and either Single-ended clock(3.0V parts) or Differential clock
(1.8V parts). It uses ChipSelect lines to select b/w multiple slaves.
At bus level, it follows a separate protocol described in HyperBus
specification[1].
HyperFlash follows CFI AMD/Fujitsu Extended Command Set (0x0002) similar
to that of existing parallel NORs. Since HyperBus is x8 DDR bus,
its equivalent to x16 parallel NOR flash with respect to bits per clock
cycle. But HyperBus operates at >166MHz frequencies.
HyperRAM provides direct random read/write access to flash memory
array.
But, HyperBus memory controllers seem to abstract implementation details
and expose a simple MMIO interface to access connected flash.
Add support for registering HyperFlash devices with MTD framework. MTD
maps framework along with CFI chip support framework are used to support
communicating with flash.
Framework is modelled along the lines of spi-nor framework. HyperBus
memory controller (HBMC) drivers calls hyperbus_register_device() to
register a single HyperFlash device. HyperFlash core parses MMIO access
information from DT, sets up the map_info struct, probes CFI flash and
registers it with MTD framework.
Some HBMC masters need calibration/training sequence[3] to be carried
out, in order for DLL inside the controller to lock, by reading a known
string/pattern. This is done by repeatedly reading CFI Query
Identification String. Calibration needs to be done before trying to detect
flash as part of CFI flash probe.
HyperRAM is not supported at the moment.
HyperBus specification can be found at[1]
HyperFlash datasheet can be found at[2]
[1] https://www.cypress.com/file/213356/download
[2] https://www.cypress.com/file/213346/download
[3] http://www.ti.com/lit/ug/spruid7b/spruid7b.pdf
Table 12-5741. HyperFlash Access Sequence
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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HyperFlash devices are compliant with CFI AMD/Fujitsu Extended Command
Set (0x0002) for flash operations, therefore
drivers/mtd/chips/cfi_cmdset_0002.c can be used as is. But these devices
do not support DQ polling method of determining chip ready/good status.
These flashes provide Status Register whose bits can be polled to know
status of flash operation.
Cypress HyperFlash datasheet here[1], talks about CFI Amd/Fujitsu
Extended Query version 1.5. Bit 0 of "Software Features supported" field
of CFI Primary Vendor-Specific Extended Query table indicates
presence/absence of status register and Bit 1 indicates whether or not
DQ polling is supported. Using these bits, its possible to determine
whether flash supports DQ polling or need to use Status Register.
Add support for polling Status Register to know device ready/status of
erase/write operations when DQ polling is not supported.
Print error messages on erase/program failure by looking at related
Status Register bits.
[1] https://www.cypress.com/file/213346/download
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Tokunori Ikegami <ikegami.t@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v5.3 kernel cycle:
Core changes:
- Device links can optionally be added between a pin control producer
and its consumers. This will affect how the system power management
is handled: a pin controller will not suspend before all of its
consumers have been suspended.
This was necessary for the ST Microelectronics STMFX expander and
need to be tested on other systems as well: it makes sense to make
this default in the long run.
Right now it is opt-in per driver.
- Drive strength can be specified in microamps. With decreases in
silicon technology, milliamps isn't granular enough, let's make it
possible to select drive strengths in microamps.
Right now the Meson (AMlogic) driver needs this.
New drivers:
- New subdriver for the Tegra 194 SoC.
- New subdriver for the Qualcomm SDM845.
- New subdriver for the Qualcomm SM8150.
- New subdriver for the Freescale i.MX8MN (Freescale is now a product
line of NXP).
- New subdriver for Marvell MV98DX1135.
Driver improvements:
- The Bitmain BM1880 driver now supports pin config in addition to
muxing.
- The Qualcomm drivers can now reserve some GPIOs as taken aside and
not usable for users. This is used in ACPI systems to take out some
GPIO lines used by the BIOS so that noone else (neither kernel nor
userspace) will play with them by mistake and crash the machine.
- A slew of refurbishing around the Aspeed drivers (board management
controllers for servers) in preparation for the new Aspeed AST2600
SoC.
- A slew of improvements over the SH PFC drivers as usual.
- Misc cleanups and fixes"
* tag 'pinctrl-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (106 commits)
pinctrl: aspeed: Strip moved macros and structs from private header
pinctrl: aspeed: Fix missed include
pinctrl: baytrail: Use GENMASK() consistently
pinctrl: baytrail: Re-use data structures from pinctrl-intel.h
pinctrl: baytrail: Use defined macro instead of magic in byt_get_gpio_mux()
pinctrl: qcom: Add SM8150 pinctrl driver
dt-bindings: pinctrl: qcom: Add SM8150 pinctrl binding
dt-bindings: pinctrl: qcom: Document missing gpio nodes
pinctrl: aspeed: Add implementation-related documentation
pinctrl: aspeed: Split out pinmux from general pinctrl
pinctrl: aspeed: Clarify comment about strapping W1C
pinctrl: aspeed: Correct comment that is no longer true
MAINTAINERS: Add entry for ASPEED pinctrl drivers
dt-bindings: pinctrl: aspeed: Convert AST2500 bindings to json-schema
dt-bindings: pinctrl: aspeed: Convert AST2400 bindings to json-schema
dt-bindings: pinctrl: aspeed: Split bindings document in two
pinctrl: qcom: Add irq_enable callback for msm gpio
pinctrl: madera: Fixup SPDX headers
pinctrl: qcom: sdm845: Fix CONFIG preprocessor guard
pinctrl: tegra: Add bitmask support for parked bits
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What is the point in surrounding the whole of declarations with
ifdef like this?
#ifdef CONFIG_FOO
int foo(void);
#endif
If CONFIG_FOO is not defined, all callers of foo() will fail
with implicit declaration errors since the top Makefile adds
-Werror-implicit-function-declaration to KBUILD_CFLAGS.
This breaks the build earlier when you are doing something wrong.
That's it.
Anyway, it will fail to link since the definition of foo() is not
compiled.
In summary, these ifdef are unneeded.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This header uses 'bool', but it does not include any header by itself.
So, it could cause unknown type name error, depending on the header
include order, although probably <linux/types.h> has been included by
someone else.
Include <linux/types.h> to make it self-contained.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This fixes the warnings:
* include/linux/gpio.h:254:11: warning: 'struct pinctrl_dev' declared
inside parameter list will not be visible outside of this definition
or declaration
* include/linux/gpio/driver.h:602:11: warning: 'struct pinctrl_dev'
declared inside parameter list will not be visible outside of this
definition or declaration
Fixes: 78b99577b393 ("pinctrl: remove unused pin_is_valid()")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Enrico Weigelt <info@metux.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This function was used by pin_request() to pointlessly double-check
the pin validity, and it was the only user ever.
Since commit d2f6a1c6fb0e ("pinctrl: remove double pin validity
check."), no one has ever used it.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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A pin controller may want to create a link between itself
and its clients to be sure of suspend/resume call ordering.
Introduce link_consumers field in pinctrl_desc structure to let
pinctrl core knows that controller expect to create a link.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
[Renamed create_link to link_consumers]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add drive-strength-microamp property support to allow drive strength in uA
Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- an update to Elan touchpad SMBus driver to fetch device parameters
(size, resolution) while it is still in PS/2 mode, before switching
over to SMBus, as in that mode some devices return garbage dimensions
- update to iforce joystick driver
- miscellaneous driver fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (48 commits)
Input: gpio_keys_polled - allow specifying name of input device
Input: edt-ft5x06 - simplify event reporting code
Input: max77650-onkey - add MODULE_ALIAS()
Input: atmel_mxt_ts - fix leak in mxt_update_cfg()
Input: synaptics - enable SMBUS on T480 thinkpad trackpad
Input: atmel_mxt_ts - fix -Wunused-const-variable
Input: joydev - extend absolute mouse detection
HID: quirks: Refactor ELAN 400 and 401 handling
Input: elan_i2c - export the device id whitelist
Input: edt-ft5x06 - use get_unaligned_be16()
Input: iforce - add the Saitek R440 Force Wheel
Input: iforce - use unaligned accessors, where appropriate
Input: iforce - drop couple of temps from transport code
Input: iforce - drop bus type from iforce structure
Input: iforce - use DMA-safe buffores for USB transfers
Input: iforce - allow callers supply data buffer when fetching device IDs
Input: iforce - only call iforce_process_packet() if initialized
Input: iforce - signal command completion from transport code
Input: iforce - do not combine arguments for iforce_process_packet()
Input: iforce - factor out hat handling when parsing packets
...
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Elan_i2c and hid-quirks work in conjunction to decide which devices each
driver will handle. Elan_i2c has a whitelist of devices that should be
consumed by hid-quirks so that there is one master list of devices to
handoff between the drivers. Put the ids in a header file so that
hid-quirks can consume it instead of duplicating the list.
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next
Sync up with MFD tree to bring in MAX77650 PMIC driver.
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Sync up with mainline to bring in the latest APIs.
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Pull io_uring updates from Jens Axboe:
"This contains:
- Support for recvmsg/sendmsg as first class opcodes.
I don't envision going much further down this path, as there are
plans in progress to support potentially any system call in an
async fashion through io_uring. But I think it does make sense to
have certain core ops available directly, especially those that can
support a "try this non-blocking" flag/mode. (me)
- Handle generic short reads automatically.
This can happen fairly easily if parts of the buffered read is
cached. Since the application needs to issue another request for
the remainder, just do this internally and save kernel/user
roundtrip while providing a nicer more robust API. (me)
- Support for linked SQEs.
This allows SQEs to depend on each other, enabling an application
to eg queue a read-from-this-file,write-to-that-file pair. (me)
- Fix race in stopping SQ thread (Jackie)"
* tag 'for-5.3/io_uring-20190711' of git://git.kernel.dk/linux-block:
io_uring: fix io_sq_thread_stop running in front of io_sq_thread
io_uring: add support for recvmsg()
io_uring: add support for sendmsg()
io_uring: add support for sqe links
io_uring: punt short reads to async context
uio: make import_iovec()/compat_import_iovec() return bytes on success
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This is done through IORING_OP_RECVMSG. This opcode uses the same
sqe->msg_flags that IORING_OP_SENDMSG added, and we pass in the
msghdr struct in the sqe->addr field as well.
We use MSG_DONTWAIT to force an inline fast path if recvmsg() doesn't
block, and punt to async execution if it would have.
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This is done through IORING_OP_SENDMSG. There's a new sqe->msg_flags
for the flags argument, and the msghdr struct is passed in the
sqe->addr field.
We use MSG_DONTWAIT to force an inline fast path if sendmsg() doesn't
block, and punt to async execution if it would have.
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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With SQE links, we can create chains of dependent SQEs. One example
would be queueing an SQE that's a read from one file descriptor, with
the linked SQE being a write to another with the same set of buffers.
An SQE link will not stall the pipeline, it'll just ensure that
dependent SQEs aren't issued before the previous link has completed.
Any error at submission or completion time will break the chain of SQEs.
For completions, this also includes short reads or writes, as the next
SQE could depend on the previous one being fully completed.
Any SQE in a chain that gets canceled due to any of the above errors,
will get an CQE fill with -ECANCELED as the error value.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Currently these functions return < 0 on error, and 0 for success.
Change that so that we return < 0 on error, but number of bytes
for success.
Some callers already treat the return value that way, others need a
slight tweak.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we've introduced native swap file support which can
exploit DIO, enhanced existing checkpoint=disable feature with
additional mount option to tune the triggering condition, and allowed
user to preallocate physical blocks in a pinned file which will be
useful to avoid f2fs fragmentation in append-only workloads. In
addition, we've fixed subtle quota corruption issue.
Enhancements:
- add swap file support which uses DIO
- allocate blocks for pinned file
- allow SSR and mount option to enhance checkpoint=disable
- enhance IPU IOs
- add more sanity checks such as memory boundary access
Bug fixes:
- quota corruption in very corner case of error-injected SPO case
- fix root_reserved on remount and some wrong counts
- add missing fsck flag
Some patches were also introduced to clean up ambiguous i_flags and
debugging messages codes"
* tag 'f2fs-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (33 commits)
f2fs: improve print log in f2fs_sanity_check_ckpt()
f2fs: avoid out-of-range memory access
f2fs: fix to avoid long latency during umount
f2fs: allow all the users to pin a file
f2fs: support swap file w/ DIO
f2fs: allocate blocks for pinned file
f2fs: fix is_idle() check for discard type
f2fs: add a rw_sem to cover quota flag changes
f2fs: set SBI_NEED_FSCK for xattr corruption case
f2fs: use generic EFSBADCRC/EFSCORRUPTED
f2fs: Use DIV_ROUND_UP() instead of open-coding
f2fs: print kernel message if filesystem is inconsistent
f2fs: introduce f2fs_<level> macros to wrap f2fs_printk()
f2fs: avoid get_valid_blocks() for cleanup
f2fs: ioctl for removing a range from F2FS
f2fs: only set project inherit bit for directory
f2fs: separate f2fs i_flags from fs_flags and ext4 i_flags
f2fs: replace ktype default_attrs with default_groups
f2fs: Add option to limit required GC for checkpoint=disable
f2fs: Fix accounting for unusable blocks
...
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