Enable administrators to require clients to use transport layer
security when accessing particular exports.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This patch adds opportunitistic RPC-with-TLS to the Linux in-kernel
NFS server. If the client requests RPC-with-TLS and the user space
handshake agent is running, the server will set up a TLS session.
There are no policy settings yet. For example, the server cannot
yet require the use of RPC-with-TLS to access its data.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tetsuo Handa points out:
> Since GFP_KERNEL is "GFP_NOFS | __GFP_FS", usage like
> "GFP_KERNEL | GFP_NOFS" does not make sense.
The original intent was to hold the inode lock while estimating
the buffer requirements for the requested information. Frank van
der Linden, the author of NFSD's xattr code, says:
> ... you need inode_lock to get an atomic view of an xattr. Since
> both nfsd_getxattr and nfsd_listxattr to the standard trick of
> querying the xattr length with a NULL buf argument (just getting
> the length back), allocating the right buffer size, and then
> querying again, they need to hold the inode lock to avoid having
> the xattr changed from under them while doing that.
>
> From that then flows the requirement that GFP_FS could cause
> problems while holding i_rwsem, so I added GFP_NOFS.
However, Dave Chinner states:
> You can do GFP_KERNEL allocations holding the i_rwsem just fine.
> All that it requires is the caller holds a reference to the
> inode ...
Since these code paths acquire a dentry, they do indeed hold a
reference. It is therefore safe to use GFP_KERNEL for these memory
allocations. In particular, that's what this code is already doing;
but now the C source code looks sane too.
At a later time we can revisit in order to remove the inode lock in
favor of simply retrying if the estimated buffer size is too small.
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
The following request sequence to the same file causes the NFS client and
server getting into an infinite loop with COMMIT and NFS4ERR_DELAY:
OPEN
REMOVE
WRITE
COMMIT
Problem reported by recall11, recall12, recall14, recall20, recall22,
recall40, recall42, recall48, recall50 of nfstest suite.
This patch restores the handling of race condition in nfsd_file_do_acquire
with unlink to that prior of the regression.
Fixes: ac3a2585f0 ("nfsd: rework refcounting in filecache")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This is an eye-catcher for tracepoints that record the XID: it means
svc_rqst() has not received a full RPC Call with an XID yet.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
To support kTLS, the server-side TCP socket receive path needs to
watch for CMSGs.
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
A single RPC transaction that touches only a couple of pages means
rq_pvec will not be even close to full in svc_xpt_release(). This is
a common case.
Instead, just leave the pages in rq_pvec until it is completely
full. This improves the efficiency of the batch release mechanism
on workloads that involve small RPC messages.
The rq_pvec is also fully emptied just before thread exit.
Reviewed-by: Calum Mackay <calum.mackay@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
If something was written to the buffer just before destruction,
it may be possible (maybe not in a real system, but it did
happen in ARCH=um with time-travel) to destroy the ringbuffer
before the IRQ work ran, leading this KASAN report (or a crash
without KASAN):
BUG: KASAN: slab-use-after-free in irq_work_run_list+0x11a/0x13a
Read of size 8 at addr 000000006d640a48 by task swapper/0
CPU: 0 PID: 0 Comm: swapper Tainted: G W O 6.3.0-rc1 #7
Stack:
60c4f20f 0c203d48 41b58ab3 60f224fc
600477fa 60f35687 60c4f20f 601273dd
00000008 6101eb00 6101eab0 615be548
Call Trace:
[<60047a58>] show_stack+0x25e/0x282
[<60c609e0>] dump_stack_lvl+0x96/0xfd
[<60c50d4c>] print_report+0x1a7/0x5a8
[<603078d3>] kasan_report+0xc1/0xe9
[<60308950>] __asan_report_load8_noabort+0x1b/0x1d
[<60232844>] irq_work_run_list+0x11a/0x13a
[<602328b4>] irq_work_tick+0x24/0x34
[<6017f9dc>] update_process_times+0x162/0x196
[<6019f335>] tick_sched_handle+0x1a4/0x1c3
[<6019fd9e>] tick_sched_timer+0x79/0x10c
[<601812b9>] __hrtimer_run_queues.constprop.0+0x425/0x695
[<60182913>] hrtimer_interrupt+0x16c/0x2c4
[<600486a3>] um_timer+0x164/0x183
[...]
Allocated by task 411:
save_stack_trace+0x99/0xb5
stack_trace_save+0x81/0x9b
kasan_save_stack+0x2d/0x54
kasan_set_track+0x34/0x3e
kasan_save_alloc_info+0x25/0x28
____kasan_kmalloc+0x8b/0x97
__kasan_kmalloc+0x10/0x12
__kmalloc+0xb2/0xe8
load_elf_phdrs+0xee/0x182
[...]
The buggy address belongs to the object at 000000006d640800
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 584 bytes inside of
freed 1024-byte region [000000006d640800, 000000006d640c00)
Add the appropriate irq_work_sync() so the work finishes before
the buffers are destroyed.
Prior to the commit in the Fixes tag below, there was only a
single global IRQ work, so this issue didn't exist.
Link: https://lore.kernel.org/linux-trace-kernel/20230427175920.a76159263122.I8295e405c44362a86c995e9c2c37e3e03810aa56@changeid
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 15693458c4 ("tracing/ring-buffer: Move poll wake ups into ring buffer code")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
In the clock setup path, we set the hardware DEV_CTRL_I2C_SLAVE_PRESENT
bit on a shared mode bus, then read-back this bit for the conditional
tCAS set.
Instead, just use the bus->mode setting for the conditional test.
While we're at it, add a little comment about why the conditional is
there.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://lore.kernel.org/r/92a933566f7846708a00ad7f5a16ee8e6ed32d0e.1680156630.git.jk@codeconstruct.com.au
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
We currently assume that the rx_len of a read command will be as
submitted, but we may have a shorter read than expected.
This change populates the output i3c xfer length from the actually-read
length.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://lore.kernel.org/r/f4fff7ab18dee1f662dc7a5a4111fcd921e6792b.1680156630.git.jk@codeconstruct.com.au
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Change the scanning /memreserve/ and /reserved-memory node order to fix
Kernel panic on Khadas Vim3 Board.
If /memreserve/ goes first, the memory is reserved, but nomap can't be
applied to the region. So the memory won't be used by Linux, but it is
still present in the linear map as normal memory, which allows
speculation. Legitimate access to adjacent pages will cause the CPU
to end up prefetching into them leading to Kernel panic.
So /reserved-memory node should go first, as it has a more updated
description of the memory regions and can apply flags, like nomap.
Link: https://lore.kernel.org/all/CAJX_Q+1Tjc+-TjZ6JW9X0NxEdFe=82a9626yL63j7uVD4LpxEA@mail.gmail.com/
Signed-off-by: Lucas Tanure <tanure@linux.com>
Link: https://lore.kernel.org/r/20230424113846.46382-1-tanure@linux.com
Signed-off-by: Rob Herring <robh@kernel.org>
With W=1 on platforms that use the generic gcc library routines
(csky/loongarch/mips/riscv/sh/xtensa):
lib/ashldi3.c:9:19: warning: no previous prototype for '__ashldi3' [-Wmissing-prototypes]
9 | long long notrace __ashldi3(long long u, word_type b)
| ^~~~~~~~~
CC lib/ashrdi3.o
lib/ashrdi3.c:9:19: warning: no previous prototype for '__ashrdi3' [-Wmissing-prototypes]
9 | long long notrace __ashrdi3(long long u, word_type b)
| ^~~~~~~~~
CC lib/cmpdi2.o
lib/cmpdi2.c:9:19: warning: no previous prototype for '__cmpdi2' [-Wmissing-prototypes]
9 | word_type notrace __cmpdi2(long long a, long long b)
| ^~~~~~~~
CC lib/lshrdi3.o
lib/lshrdi3.c:9:19: warning: no previous prototype for '__lshrdi3' [-Wmissing-prototypes]
9 | long long notrace __lshrdi3(long long u, word_type b)
| ^~~~~~~~~
CC lib/muldi3.o
lib/muldi3.c:49:19: warning: no previous prototype for '__muldi3' [-Wmissing-prototypes]
49 | long long notrace __muldi3(long long u, long long v)
| ^~~~~~~~
CC lib/ucmpdi2.o
lib/ucmpdi2.c:8:19: warning: no previous prototype for '__ucmpdi2' [-Wmissing-prototypes]
8 | word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
| ^~~~~~~~~
Fix this by adding forward declarations to the common libgcc header
file.
Link: https://lkml.kernel.org/r/5cdbe08296693dd53849f199c3933e16e97b33c1.1682088593.git.geert+renesas@glider.be
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202303272214.RxzpA6bP-lkp@intel.com/
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
0Day/LKP reported a performance regression for commit 7e12beb8ca
("migrate_pages: batch flushing TLB"). In the commit, the TLB flushing
during page migration is batched. So, in try_to_migrate_one(),
ptep_clear_flush() is replaced with set_tlb_ubc_flush_pending(). In
further investigation, it is found that the TLB flushing can be avoided in
ptep_clear_flush() if the PTE is inaccessible. In fact, we can optimize
in similar way for the batched TLB flushing too to improve the
performance.
So in this patch, we check pte_accessible() before
set_tlb_ubc_flush_pending() in try_to_unmap/migrate_one(). Tests show
that the benchmark score of the anon-cow-rand-mt test case of
vm-scalability test suite can improve up to 2.1% with the patch on a Intel
server machine. The TLB flushing IPI can reduce up to 44.3%.
Link: https://lore.kernel.org/oe-lkp/202303192325.ecbaf968-yujie.liu@intel.com
Link: https://lore.kernel.org/oe-lkp/ab92aaddf1b52ede15e2c608696c36765a2602c1.camel@intel.com/
Link: https://lkml.kernel.org/r/20230424065408.188498-1-ying.huang@intel.com
Fixes: 7e12beb8ca ("migrate_pages: batch flushing TLB")
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Reported-by: kernel test robot <yujie.liu@intel.com>
Reviewed-by: Nadav Amit <namit@vmware.com>
Reviewed-by: Xin Hao <xhao@linux.alibaba.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Prevent tmpfs instances mounted in an unprivileged namespaces from evading
accounting of locked memory by using the "noswap" mount option.
Link: https://lkml.kernel.org/r/20230420-faxen-advokat-40abb4c1a152@brauner
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reported-by: Hugh Dickins <hughd@google.com>
Link: https://lore.kernel.org/lkml/79eae9fe-7818-a65c-89c6-138b55d609a@google.com
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Adam Manzanares <a.manzanares@samsung.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Kees Cook <keescook@chromium.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Pankaj Raghav <p.raghav@samsung.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Inserting Ivan Orlov's syzbot fix commit 2ce0bdfebc
("mm: khugepaged: fix kernel BUG in hpage_collapse_scan_file()")
ahead of Jiaqi Yan's and David Stevens's commits
12904d9533 ("mm/khugepaged: recover from poisoned file-backed memory")
cae106dd67 ("mm/khugepaged: refactor collapse_file control flow")
ac492b9c70 ("mm/khugepaged: skip shmem with userfaultfd")
(all of which restructure collapse_file()) did not work out well.
xfstests generic/086 on huge tmpfs (with accelerated khugepaged) freezes
(if not on the first attempt, then the 2nd or 3rd) in find_lock_entries()
while doing drop_caches: the file's xarray seems to have been corrupted,
with find_get_entry() returning nonsense which makes no progress.
Bisection led to ac492b9c70; and diff against earlier working linux-next
suggested that it's probably down to an errant xas_store(), which does not
belong with the later changes (and nor does the positioning of warnings).
The later changes look as if they fix the syzbot issue independently.
Remove most of what's left of 2ce0bdfebc: just leave one WARN_ON_ONCE
(xas_error) after the final xas_store() of the multi-index entry.
Link: https://lkml.kernel.org/r/b6c881-c352-bb91-85a8-febeb09dfd71@google.com
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: David Stevens <stevensd@chromium.org>
Cc: Ivan Orlov <ivan.orlov0322@gmail.com>
Cc: Jiaqi Yan <jiaqiyan@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Here is the "big" set of char/misc and other driver subsystems for
6.4-rc1.
It's pretty big, but due to the removal of pcmcia drivers, almost breaks
even for number of lines added vs. removed, a nice change.
Included in here are:
- removal of unused PCMCIA drivers (finally!)
- Interconnect driver updates and additions
- Lots of IIO driver updates and additions
- MHI driver updates
- Coresight driver updates
- NVMEM driver updates, which required some OF updates
- W1 driver updates and a new maintainer to manage the subsystem
- FPGA driver updates
- New driver subsystem, CDX, for AMD systems
- lots of other small driver updates and additions
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc drivers updates from Greg KH:
"Here is the "big" set of char/misc and other driver subsystems for
6.4-rc1.
It's pretty big, but due to the removal of pcmcia drivers, almost
breaks even for number of lines added vs. removed, a nice change.
Included in here are:
- removal of unused PCMCIA drivers (finally!)
- Interconnect driver updates and additions
- Lots of IIO driver updates and additions
- MHI driver updates
- Coresight driver updates
- NVMEM driver updates, which required some OF updates
- W1 driver updates and a new maintainer to manage the subsystem
- FPGA driver updates
- New driver subsystem, CDX, for AMD systems
- lots of other small driver updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (196 commits)
mcb-lpc: Reallocate memory region to avoid memory overlapping
mcb-pci: Reallocate memory region to avoid memory overlapping
mcb: Return actual parsed size when reading chameleon table
kernel/configs: Drop Android config fragments
virt: acrn: Replace obsolete memalign() with posix_memalign()
spmi: Add a check for remove callback when removing a SPMI driver
spmi: fix W=1 kernel-doc warnings
spmi: mtk-pmif: Drop of_match_ptr for ID table
spmi: pmic-arb: Convert to platform remove callback returning void
spmi: mtk-pmif: Convert to platform remove callback returning void
spmi: hisi-spmi-controller: Convert to platform remove callback returning void
w1: gpio: remove unnecessary ENOMEM messages
w1: omap-hdq: remove unnecessary ENOMEM messages
w1: omap-hdq: add SPDX tag
w1: omap-hdq: allow compile testing
w1: matrox: remove unnecessary ENOMEM messages
w1: matrox: use inline over __inline__
w1: matrox: switch from asm to linux header
w1: ds2482: do not use assignment in if condition
w1: ds2482: drop unnecessary header
...
Here is the large set of driver core changes for 6.4-rc1.
Once again, a busy development cycle, with lots of changes happening in
the driver core in the quest to be able to move "struct bus" and "struct
class" into read-only memory, a task now complete with these changes.
This will make the future rust interactions with the driver core more
"provably correct" as well as providing more obvious lifetime rules for
all busses and classes in the kernel.
The changes required for this did touch many individual classes and
busses as many callbacks were changed to take const * parameters
instead. All of these changes have been submitted to the various
subsystem maintainers, giving them plenty of time to review, and most of
them actually did so.
Other than those changes, included in here are a small set of other
things:
- kobject logging improvements
- cacheinfo improvements and updates
- obligatory fw_devlink updates and fixes
- documentation updates
- device property cleanups and const * changes
- firwmare loader dependency fixes.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the large set of driver core changes for 6.4-rc1.
Once again, a busy development cycle, with lots of changes happening
in the driver core in the quest to be able to move "struct bus" and
"struct class" into read-only memory, a task now complete with these
changes.
This will make the future rust interactions with the driver core more
"provably correct" as well as providing more obvious lifetime rules
for all busses and classes in the kernel.
The changes required for this did touch many individual classes and
busses as many callbacks were changed to take const * parameters
instead. All of these changes have been submitted to the various
subsystem maintainers, giving them plenty of time to review, and most
of them actually did so.
Other than those changes, included in here are a small set of other
things:
- kobject logging improvements
- cacheinfo improvements and updates
- obligatory fw_devlink updates and fixes
- documentation updates
- device property cleanups and const * changes
- firwmare loader dependency fixes.
All of these have been in linux-next for a while with no reported
problems"
* tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (120 commits)
device property: make device_property functions take const device *
driver core: update comments in device_rename()
driver core: Don't require dynamic_debug for initcall_debug probe timing
firmware_loader: rework crypto dependencies
firmware_loader: Strip off \n from customized path
zram: fix up permission for the hot_add sysfs file
cacheinfo: Add use_arch[|_cache]_info field/function
arch_topology: Remove early cacheinfo error message if -ENOENT
cacheinfo: Check cache properties are present in DT
cacheinfo: Check sib_leaf in cache_leaves_are_shared()
cacheinfo: Allow early level detection when DT/ACPI info is missing/broken
cacheinfo: Add arm64 early level initializer implementation
cacheinfo: Add arch specific early level initializer
tty: make tty_class a static const structure
driver core: class: remove struct class_interface * from callbacks
driver core: class: mark the struct class in struct class_interface constant
driver core: class: make class_register() take a const *
driver core: class: mark class_release() as taking a const *
driver core: remove incorrect comment for device_create*
MIPS: vpe-cmp: remove module owner pointer from struct class usage.
...
Here is the large set of staging driver updates for 6.4-rc1. Once
again, we removed more code than was added, a nice trend.
It was a calm cycle, mostly all just small coding style cleanups,
included in here are:
- removal of the greybus loopback testing tools, userspace code that
didn't belong in a driver subdirectory and was causing problems for
some build systems
- platform remove callback cleanups
- rtl8192e huge cleanups
- other small staging driver cleanups.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the large set of staging driver updates for 6.4-rc1. Once
again, we removed more code than was added, a nice trend.
It was a calm cycle, mostly all just small coding style cleanups,
included in here are:
- removal of the greybus loopback testing tools, userspace code that
didn't belong in a driver subdirectory and was causing problems for
some build systems
- platform remove callback cleanups
- rtl8192e huge cleanups
- other small staging driver cleanups.
All of these have been in linux-next for a while with no reported
problems"
* tag 'staging-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (185 commits)
staging: rtl8192e: Fix W_DISABLE# does not work after stop/start
staging: rtl8192e: Remove unchanged variables bfsync_processing and more
staging: rtl8192e: Remove unchanged variable frame_sync_monitor
staging: rtl8192e: Remove unchanged variable chan_forced
staging: rtl8192e: Remove set to true while true of bfirst_after_down
staging: rtl8192e: Remove second initialization of bActuallySet
staging: rtl8192e: Remove unused macro RT_SET_PS_LEVEL
staging: rtl8192e: Remove unused function rtl92e_disable_nic
staging: rtl8192e: Remove unchanged variable RegRfPsLevel
staging: rtl8172: Add blank lines after declarations
staging: rtl8192e: Remove unused variable RF_Type
staging: rtl8192e: Remove one of two checks for hardware RTL8192SE
staging: rtl8192e: Remove unused function _rtl92e_dm_init_wa_broadcom_iot
staging: rtl8192e: Remove macro IS_HARDWARE_TYPE_8192SE
staging: greybus: drop loopback test files
staging: rtl8192e: Add blank lines after declarations
staging: rtl8192e: avoid CamelCase <dot11RSNAStatsCCMPDecryptErrors>
staging: rtl8192e: avoid CamelCase <dot11RSNAStatsCCMPReplays>
staging: rtl8192e: avoid CamelCase <dot11RSNAStatsCCMPFormatErrors>
staging: rtl8192e: fix alignment to match open parenthesis
...
Here is the big set of tty/serial driver updates for 6.4-rc1.
Nothing major, just lots of tiny, constant, forward development. This
includes:
- obligatory n_gsm updates and feature additions
- 8250_em driver updates
- sh-sci driver updates
- dts cleanups and updates
- general cleanups and improvements by Ilpo and Jiri
- other small serial driver core fixes and driver updates
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial updates from Greg KH:
"Here is the big set of tty/serial driver updates for 6.4-rc1.
Nothing major, just lots of tiny, constant, forward development. This
includes:
- obligatory n_gsm updates and feature additions
- 8250_em driver updates
- sh-sci driver updates
- dts cleanups and updates
- general cleanups and improvements by Ilpo and Jiri
- other small serial driver core fixes and driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (87 commits)
n_gsm: Use array_index_nospec() with index that comes from userspace
tty: vt: drop checks for undefined VT_SINGLE_DRIVER
tty: vt: distribute EXPORT_SYMBOL()
tty: vt: simplify some cases in tioclinux()
tty: vt: reformat tioclinux()
tty: serial: sh-sci: Fix end of transmission on SCI
tty: serial: sh-sci: Add support for tx end interrupt handling
tty: serial: sh-sci: Fix TE setting on SCI IP
tty: serial: sh-sci: Add RZ/G2L SCIFA DMA rx support
tty: serial: sh-sci: Add RZ/G2L SCIFA DMA tx support
serial: max310x: fix IO data corruption in batched operations
serial: core: Disable uart_start() on uart_remove_one_port()
serial: 8250: Reinit port->pm on port specific driver unbind
serial: 8250: Add missing wakeup event reporting
tty: serial: fsl_lpuart: use UARTMODIR register bits for lpuart32 platform
tty: serial: fsl_lpuart: adjust buffer length to the intended size
serial: fix TIOCSRS485 locking
serial: make SiFive serial drivers depend on ARCH_ symbols
tty: synclink_gt: don't allocate and pass dummy flags
tty: serial: simplify qcom_geni_serial_send_chunk_fifo()
...
Here is the large set of USB and Thunderbolt changes for 6.4-rc1.
"biggest" thing in here is the removal of two obsolete drivers, u132-hcd
and ftdi-elan, making this a net-removal of code overall.
Other than the driver removals, included in here are:
- Thunderbolt updates for new hardware and features
- xhci driver updates and fixes
- dwc3 driver updates and fixes
- gadget core and driver updates and features added
- mtu3 driver updates
- dwc2 driver fixes and updates
- usb-serial driver updates
- typec driver updates and fixes
- platform remove callback changes
- dts updates and conversions
- other small changes
All have been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the large set of USB and Thunderbolt changes for 6.4-rc1.
The "biggest" thing in here is the removal of two obsolete drivers,
u132-hcd and ftdi-elan, making this a net-removal of code overall.
Other than the driver removals, included in here are:
- Thunderbolt updates for new hardware and features
- xhci driver updates and fixes
- dwc3 driver updates and fixes
- gadget core and driver updates and features added
- mtu3 driver updates
- dwc2 driver fixes and updates
- usb-serial driver updates
- typec driver updates and fixes
- platform remove callback changes
- dts updates and conversions
- other small changes
All have been in linux-next for a while with no reported problems"
* tag 'usb-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (177 commits)
usb: dwc3: gadget: Refactor EP0 forced stall/restart into a separate API
usb: dwc3: gadget: Execute gadget stop after halting the controller
media: radio-shark: Add endpoint checks
USB: sisusbvga: Add endpoint checks
USB: core: Add routines for endpoint checks in old drivers
usb: dwc3: gadget: Stall and restart EP0 if host is unresponsive
dt-bindings: usb: snps,dwc3: Add 'snps,parkmode-disable-hs-quirk' quirk
usb: dwc3: core: add support for disabling High-speed park mode
dt-bindings: usb: ci-hdrc-usb2: allow multiple PHYs
usb: mtu3: add optional clock xhci_ck and frmcnt_ck
dt-bindings: usb: mtu3: add two optional clocks
usb: mtu3: expose role-switch control to userspace
usb: mtu3: unlock @mtu->lock just before giving back request
usb: mtu3: fix kernel panic at qmu transfer done irq handler
usb: mtu3: use boolean return value
usb: mtu3: give back request when rx error happens
usb: chipidea: fix missing goto in `ci_hdrc_probe`
usb: gadget: udc: core: Prevent redundant calls to pullup
usb: gadget: udc: core: Invoke usb_gadget_connect only when started
usb: typec: ucsi: don't print PPM init deferred errors
...
The pull request includes a few changes, Its main purpose is to prepare
for my future work by taking over maintainership from Stefan Richter. I
have plans to work on several items; e.g. packet processing in workqueue
context instead of tasklet.
As you may be aware, the IEEE 1394 technology is outdated. However, we
still have users. It is better to ensure a smooth transition for the users
to shift to other categories of devices. The first commit includes my
schedule to maintain the subsystem for the next six years. I would
appreciate your assistance throughout this period.
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Merge tag 'firewire-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Takashi Sakamoto:
"The pull request includes a few changes, Its main purpose is to
prepare for my future work by taking over maintainership from Stefan
Richter. I have plans to work on several items; e.g. packet processing
in workqueue context instead of tasklet.
As you may be aware, the IEEE 1394 technology is outdated. However, we
still have users. It is better to ensure a smooth transition for the
users to shift to other categories of devices"
* tag 'firewire-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: init_ohci1394_dma: use correct function names in comments
MAINTAINERS: replace maintainer of FireWire subsystem
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Merge tag 'for-linus-2023042601' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- import a bunch of HID selftests from out-of-tree hid-tools project
(Benjamin Tissoires)
- drastically reducing Bluetooth disconnects on hid-nintendo driven
devices (Daniel J. Ogorchock)
- lazy initialization of battery interfaces in wacom driver (Jason
Gerecke)
- generic support for all Kye tablets (David Yang)
- proper rumble queue overrun handling in hid-nintendo (Daniel J.
Ogorchock)
- support for ADC measurement in logitech-hidpp driver (Bastien Nocera)
- reset GPIO support in i2c-hid (Hans de Goede)
- improved handling of generic "Digitizer" usage (Jason Gerecke)
- support for KEY_CAMERA_FOCUS (Feng Qi)
- quirks for Apple Geyser 3 and Apple Geyser 4 (Alex Henrie)
- assorted functional fixes and device ID additions
* tag 'for-linus-2023042601' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (54 commits)
HID: amd_sfh: Fix max supported HID devices
HID: wacom: generic: Set battery quirk only when we see battery data
HID: wacom: Lazy-init batteries
HID: Ignore battery for ELAN touchscreen on ROG Flow X13 GV301RA
HID: asus: explicitly include linux/leds.h
HID: lg-g15: explicitly include linux/leds.h
HID: steelseries: explicitly include linux/leds.h
HID: apple: Set the tilde quirk flag on the Geyser 3
HID: apple: explicitly include linux/leds.h
HID: mcp2221: fix get and get_direction for gpio
HID: mcp2221: fix report layout for gpio get
HID: wacom: Set a default resolution for older tablets
HID: i2c-hid-of: Add reset GPIO support to i2c-hid-of
HID: i2c-hid-of: Allow using i2c-hid-of on non OF platforms
HID: i2c-hid-of: Consistenly use dev local variable in probe()
HID: kye: Fix rdesc for kye tablets
HID: amd_sfh: Support for additional light sensor
HID: amd_sfh: Handle "no sensors" enabled for SFH1.1
HID: amd_sfh: Increase sensor command timeout for SFH1.1
HID: amd_sfh: Correct the stop all command
...
bugfixes.
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Merge tag 'i2c-for-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Mostly fixes for DTs or DT handling this time. And a few driver
bugfixes"
* tag 'i2c-for-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (28 commits)
i2c: xiic: xiic_xfer(): Fix runtime PM leak on error path
i2c: cadence: cdns_i2c_master_xfer(): Fix runtime PM leak on error path
i2c: omap: Improve error reporting for problems during .remove()
i2c: cadence: Add reset controller support
dt-bindings: i2c: cadence: Document `resets` property
i2c: mediatek: add support for MT7981 SoC
dt-bindings: i2c: i2c-mt65xx: add MediaTek MT7981 SoC
dt-bindings: i2c: Drop unneeded quotes
i2c: brcmstb: use devm_platform_ioremap_resource_byname()
i2c: cadence: Detect maximum transfer size
i2c: cadence: Allow to specify the FIFO depth
dt-bindings: i2c: cadence: Document `fifo-depth` property
i2c: xiic: Use devm_platform_get_and_ioremap_resource()
i2c: mpc: Use i2c-scl-clk-low-timeout-us i2c property
i2c: mpc: Use of_property_read_u32 instead of of_get_property
dt-bindings: i2c: mpc: Mark "fsl,timeout" as deprecated
i2c: xiic: hide OF related data for COMPILE_TEST
i2c: synquacer: mark OF related data as maybe unused
dt-bindings: i2c: i2c-mt65xx: Add compatible for MT6795 Helio X10
i2c: imx: Simplify using devm_clk_get_enabled()
...
There was a bug in the SSIF driver where in certain conditions it could
stop working.
Outside of that: spelling fixes, removing some dead code, re-adding a
missing statistic increment, and removal of register_sysctl_table().
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Merge tag 'for-linus-6.4-1' of https://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
"Minor bug fixes for the IPMI driver
There was a bug in the SSIF driver where in certain conditions it
could stop working.
Outside of that: spelling fixes, removing some dead code, re-adding a
missing statistic increment, and removal of register_sysctl_table()"
* tag 'for-linus-6.4-1' of https://github.com/cminyard/linux-ipmi:
ipmi:ssif: Drop if blocks with always false condition
ipmi: fix SSIF not responding under certain cond.
ipmi:ssif: Add send_retries increment
char:ipmi:Fix spelling mistake "asychronously" -> "asynchronously"
ipmi: simplify sysctl registration
ipmi: ASPEED_BT_IPMI_BMC: select REGMAP_MMIO instead of depending on it
A fairly standard release for SPI with the exception of a change to the
API for specifying chip selects done in preparation for supporting
devices with more than one chip select, this required some mechanical
changes throughout the tree which have been cooking in -next happily for
a while. There's also a new API to allow us to TPM chips on half duplex
controllers.
There's three commits in here that were mangled by a bad interaction
between the alsa-devel mailing list software and b4, I didn't notice
until there were merges on top with it being SPI not ALSA. It seemed
clear enough to not be worth going back and fixing.
- Refactoring in preparation for supporting multiple chip selects for a
single device, needed by some flash devices, which required a change
in the SPI device API visible throughout the tree.
- Support for hardware assisted interaction with SPI TPMs on half
duplex controllers, implemented on nVidia Tedra210 QuadSPI.
- Optimisation for large transfers on fsl-cpm devices.
- Cleanups around device property use which fix some sisues with
fwnode.
- Use of both void remove() and devm_platform_.*ioremap_resource().
- Support for AMD Pensando Elba, Amlogic A1, Cadence device mode,
Intel MetorLake-S and StarFive J7110 QuadSPI.
The final commit converting to DEV_PM_OPS() was applied late to fix a
warning that was introduced by some of the earlier work.
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Merge tag 'spi-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A fairly standard release for SPI with the exception of a change to
the API for specifying chip selects done in preparation for supporting
devices with more than one chip select, this required some mechanical
changes throughout the tree which have been cooking in -next happily
for a while.
There's also a new API to allow us to support TPM chips on half duplex
controllers.
Summary:
- Refactoring in preparation for supporting multiple chip selects for
a single device, needed by some flash devices, which required a
change in the SPI device API visible throughout the tree
- Support for hardware assisted interaction with SPI TPMs on half
duplex controllers, implemented on nVidia Tedra210 QuadSPI
- Optimisation for large transfers on fsl-cpm devices
- Cleanups around device property use which fix some sisues with
fwnode
- Use of both void remove() and devm_platform_.*ioremap_resource()
- Support for AMD Pensando Elba, Amlogic A1, Cadence device mode,
Intel MetorLake-S and StarFive J7110 QuadSPI"
* tag 'spi-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (185 commits)
spi: bcm63xx: use macro DEFINE_SIMPLE_DEV_PM_OPS
spi: tegra210-quad: Enable TPM wait polling
spi: Add TPM HW flow flag
spi: bcm63xx: remove PM_SLEEP based conditional compilation
spi: cadence-quadspi: use macro DEFINE_SIMPLE_DEV_PM_OPS
spi: spi-cadence: Add support for Slave mode
spi: spi-cadence: Switch to spi_controller structure
spi: cadence-quadspi: fix suspend-resume implementations
spi: dw: Add support for AMD Pensando Elba SoC
spi: dw: Add AMD Pensando Elba SoC SPI Controller
spi: cadence-quadspi: Disable the SPI before reconfiguring
spi: cadence-quadspi: Update the read timeout based on the length
spi: spi-loopback-test: Add module param for iteration length
spi: add support for Amlogic A1 SPI Flash Controller
dt-bindings: spi: add Amlogic A1 SPI controller
spi: fsl-spi: No need to check transfer length versus word size
spi: fsl-spi: Change mspi_apply_cpu_mode_quirks() to void
spi: fsl-cpm: Use 16 bit mode for large transfers with even size
spi: fsl-spi: Re-organise transfer bits_per_word adaptation
spi: fsl-spi: Fix CPM/QE mode Litte Endian
...
At this time, it's an interesting mixture of changes for both old and
new stuff. Majority of changes are about ASoC (lots of systematic
changes for converting remove callbacks to void, and cleanups), while
we got the fixes and the enhancements of very old PCI cards, too.
Here are some highlights:
ALSA/ASoC Core:
- Continued effort of more ASoC core cleanups
- Minor improvements for XRUN handling in indirect PCM helpers
- Code refactoring of PCM core code
ASoC:
- Continued feature and simplification work on SOF, including addition
of a no-DSP mode for bringup, HDA MLink and extensions to the IPC4
protocol
- Hibernation support for CS35L45
- More DT binding conversions
- Support for Cirrus Logic CS35L56, Freescale QMC, Maxim MAX98363,
nVidia systems with MAX9809x and RT5631, Realtek RT712, Renesas R-Car
Gen4, Rockchip RK3588 and TI TAS5733
ALSA:
- Lots of works for legacy emu10k1 and ymfpci PCI drivers
- PCM kselftest fixes and enhancements
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Merge tag 'sound-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"At this time, it's an interesting mixture of changes for both old and
new stuff. Majority of changes are about ASoC (lots of systematic
changes for converting remove callbacks to void, and cleanups), while
we got the fixes and the enhancements of very old PCI cards, too.
Here are some highlights:
ALSA/ASoC Core:
- Continued effort of more ASoC core cleanups
- Minor improvements for XRUN handling in indirect PCM helpers
- Code refactoring of PCM core code
ASoC:
- Continued feature and simplification work on SOF, including
addition of a no-DSP mode for bringup, HDA MLink and extensions to
the IPC4 protocol
- Hibernation support for CS35L45
- More DT binding conversions
- Support for Cirrus Logic CS35L56, Freescale QMC, Maxim MAX98363,
nVidia systems with MAX9809x and RT5631, Realtek RT712, Renesas
R-Car Gen4, Rockchip RK3588 and TI TAS5733
ALSA:
- Lots of works for legacy emu10k1 and ymfpci PCI drivers
- PCM kselftest fixes and enhancements"
* tag 'sound-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (586 commits)
ALSA: emu10k1: use high-level I/O in set_filterQ()
ALSA: emu10k1: use high-level I/O functions also during init
ALSA: emu10k1: fix error handling in snd_audigy_i2c_volume_put()
ALSA: emu10k1: don't stop DSP in _snd_emu10k1_{,audigy_}init_efx()
ALSA: emu10k1: fix SNDRV_EMU10K1_IOCTL_SINGLE_STEP
ALSA: emu10k1: skip Sound Blaster-specific hacks for E-MU cards
ALSA: emu10k1: fixup DSP defines
ALSA: emu10k1: pull in some register definitions from kX-project
ALSA: emu10k1: remove some bogus defines
ALSA: emu10k1: eliminate some unused defines
ALSA: emu10k1: fix lineup of EMU_HANA_* defines
ALSA: emu10k1: comment updates
ALSA: emu10k1: fix snd_emu1010_fpga_read() input masking for rev2 cards
ALSA: emu10k1: remove unused emu->pcm_playback_efx_substream field
ALSA: emu10k1: remove unused `resume` parameter from snd_emu10k1_init()
ALSA: emu10k1: minor optimizations
ALSA: emu10k1: remove remaining cruft from snd_emu10k1_emu1010_init()
ALSA: emu10k1: remove apparently pointless EMU_HANA_OPTION_CARDS reads
ALSA: emu10k1: remove apparently pointless FPGA reads
ALSA: emu10k1: stop doing weird things with HCFG in snd_emu10k1_emu1010_init()
...
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Merge tag 'pci-v6.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Resource management:
- Add pci_dev_for_each_resource() and pci_bus_for_each_resource()
iterators
PCIe native device hotplug:
- Fix AB-BA deadlock between reset_lock and device_lock
Power management:
- Wait longer for devices to become ready after resume (as we do for
reset) to accommodate Intel Titan Ridge xHCI devices
- Extend D3hot delay for NVIDIA HDA controllers to avoid
unrecoverable devices after a bus reset
Error handling:
- Clear PCIe Device Status after EDR since generic error recovery now
only clears it when AER is native
ASPM:
- Work around Chromebook firmware defect that clobbers Capability
list (including ASPM L1 PM Substates Cap) when returning from
D3cold to D0
Freescale i.MX6 PCIe controller driver:
- Install imprecise external abort handler only when DT indicates
PCIe support
Freescale Layerscape PCIe controller driver:
- Add ls1028a endpoint mode support
Qualcomm PCIe controller driver:
- Add SM8550 DT binding and driver support
- Add SDX55 DT binding and driver support
- Use bulk APIs for clocks of IP 1.0.0, 2.3.2, 2.3.3
- Use bulk APIs for reset of IP 2.1.0, 2.3.3, 2.4.0
- Add DT "mhi" register region for supported SoCs
- Expose link transition counts via debugfs to help debug low power
issues
- Support system suspend and resume; reduce interconnect bandwidth
and turn off clock and PHY if there are no active devices
- Enable async probe by default to reduce boot time
Miscellaneous:
- Sort controller Kconfig entries by vendor"
* tag 'pci-v6.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (56 commits)
PCI: xilinx: Drop obsolete dependency on COMPILE_TEST
PCI: mobiveil: Sort Kconfig entries by vendor
PCI: dwc: Sort Kconfig entries by vendor
PCI: Sort controller Kconfig entries by vendor
PCI: Use consistent controller Kconfig menu entry language
PCI: xilinx-nwl: Add 'Xilinx' to Kconfig prompt
PCI: hv: Add 'Microsoft' to Kconfig prompt
PCI: meson: Add 'Amlogic' to Kconfig prompt
PCI: Use of_property_present() for testing DT property presence
PCI/PM: Extend D3hot delay for NVIDIA HDA controllers
dt-bindings: PCI: qcom: Document msi-map and msi-map-mask properties
PCI: qcom: Add SM8550 PCIe support
dt-bindings: PCI: qcom: Add SM8550 compatible
PCI: qcom: Add support for SDX55 SoC
dt-bindings: PCI: qcom-ep: Fix the unit address used in example
dt-bindings: PCI: qcom: Add SDX55 SoC
dt-bindings: PCI: qcom: Update maintainers entry
PCI: qcom: Enable async probe by default
PCI: qcom: Add support for system suspend and resume
PCI/PM: Drop pci_bridge_wait_for_secondary_bus() timeout parameter
...
The intention is to clean up the code and make it look a bit more
consistent.
Mark all unitialized module parameter variables as __read_mostly,
not just one of them. The other parameters are read-mostly too.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This is a cleanup which improves code consistency. Move the force_irq_on
module parameter variable and definition to the same place where we have
variables and definitions for other module parameters.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
By default, all non-POLL C-states are entered with interrupts disabled.
There are 2 ways to make 'intel_idle' enter C-states with interrupts
enabled:
1. Mark the C-state with the CPUIDLE_FLAG_IRQ_ENABLE flag.
2. Use the force_irq_on module parameter.
The former is the "proper" way of doing it, it is per-C-state and
per-platform. The latter is for debugging purposes only.
The problem is that intel_idle prints the "forced intel_idle_irq"
message in both cases, even though the former case does not needed
this message, because nothing is forced there. This patch addresses the
problem.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The following C-state flags are currently mutually-exclusive and should not
be combined:
* IRQ_ENABLE
* IBRS
* XSTATE
There is a warning for the situation when the IRQ_ENABLE flag
is combined with the IBRS flag, but no warnings for other combinations.
This is inconsistent and prone to errors.
Improve the situation by adding warnings for all the unexpected
combinations. Add a couple of helpful commentaries too.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Introduce a temporary 'state' variable for referencing the currently
processed C-state in the intel_idle_init_cstates_icpu() function.
This makes code lines shorter and easier to read.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The intel_idle_init_cstates_icpu() function includes a loop that iterates
over every C-state. Inside the loop, the same C-state data is referenced 2
ways:
1. as cpuidle_state_table[cstate]
2. as drv->states[drv->state_count] (but it is a copy of #1, not the same
object).
Make the code be more consistent and easier to read by using only the 2nd
way. So the code structure would be as follows:
1. Use cpuidle_state_table[cstate]
2. Copy cpuidle_state_table[cstate] to drv->states[drv->state_count]
3. Use only drv->states[drv->state_count] from this point.
Note, this change introduces a checkpatch.pl warning (too long line), but it
will be addressed in the next patch.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Substitute 'printk()' with 'pr_info()', because 'intel_idle' already uses
'pr_debug()', so using 'pr_info()' will be more consistent.
In addition to this, this patch addresses the following checkpatch.pl
warning:
WARNING: printk() should include KERN_<LEVEL> facility level
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
According to my information, there are no active users of this driver in
the field.
Moreover, it does some really questionable things and gets in the way of
thermal core improvements, so drop it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The ACPI thermal driver creates extra sysfs attributes in its own
directory pointing to the thermal zone it is related to and add a
pointer to the sysfs ACPI thermal device from the thermal zone sysfs
entry.
This is very specific to this ACPI thermal driver, let's encapsulate
the related creation/deletion code to group it inside a function we
can identify later for removal if needed.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
[ rjw: Subject adjustment, removal of trailing white space ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In order to get the device associated with the thermal zone, let's use
the wrapper thermal_zone_device() instead of accessing directly the
content of the thermal zone device structure.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
[ rjw: Subject adjustment, removal of trailing white space ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The pch_critical() callback accesses the thermal zone device structure
internals, it dereferences the thermal zone struct device and the 'type'.
Use the available accessors instead of accessing the structure directly.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are still some drivers needing to play with the thermal zone
device internals. That is not the best but until we can figure out if
the information is really needed, let's encapsulate the field used in
the thermal zone device structure, so we can move forward relocating
the thermal zone device structure definition in the thermal framework
private headers.
Some drivers are accessing tz->device, that implies they need to have
the knowledge of the thermal_zone_device structure but we want to
self-encapsulate this structure and reduce the scope of the structure
to the thermal core only.
By adding this wrapper, these drivers won't need the thermal zone
device structure definition and are no longer an obstacle to its
relocation to the private thermal core headers.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
For the algorithm of choosing the next target state in step_wise
governor, the code does the right thing but is implemented in a
way different from what the comment describes. And this hurts the code
readability.
As the logic in the comment is simpler, adjust the code logic to align
with the comment.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
[ rjw: Subject edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 4102c4042a ("thermal/core: Remove DROP_FULL and RAISE_FULL")
removes support for THERMAL_TREND_RAISE_FULL/DROP_FULL but leaves the
comment unchanged.
Delete the obsolte comment about THERMAL_TREND_RAISE_FULL/DROP_FULL.
Fixes: 4102c4042a ("thermal/core: Remove DROP_FULL and RAISE_FULL")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- First part of DT header detangling dropping cpu.h from of_device.h
and replacing some includes with forward declarations. A handful of
drivers needed some adjustment to their includes as a result.
- Refactor of_device.h to be used by bus drivers rather than various
device drivers. This moves non-bus related functions out of
of_device.h. The end goal is for of_platform.h and of_device.h to stop
including each other.
- Refactor open coded parsing of "ranges" in some bus drivers to use DT
address parsing functions
- Add some new address parsing functions of_property_read_reg(),
of_range_count(), and of_range_to_resource() in preparation to convert
more open coded parsing of DT addresses to use them.
- Treewide clean-ups to use of_property_read_bool() and
of_property_present() as appropriate. The ones here are the ones
that didn't get picked up elsewhere.
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Merge tag 'devicetree-for-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull more devicetree updates from Rob Herring:
- First part of DT header detangling dropping cpu.h from of_device.h
and replacing some includes with forward declarations. A handful of
drivers needed some adjustment to their includes as a result.
- Refactor of_device.h to be used by bus drivers rather than various
device drivers. This moves non-bus related functions out of
of_device.h. The end goal is for of_platform.h and of_device.h to
stop including each other.
- Refactor open coded parsing of "ranges" in some bus drivers to use DT
address parsing functions
- Add some new address parsing functions of_property_read_reg(),
of_range_count(), and of_range_to_resource() in preparation to
convert more open coded parsing of DT addresses to use them.
- Treewide clean-ups to use of_property_read_bool() and
of_property_present() as appropriate. The ones here are the ones that
didn't get picked up elsewhere.
* tag 'devicetree-for-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (34 commits)
bus: tegra-gmi: Replace of_platform.h with explicit includes
hte: Use of_property_present() for testing DT property presence
w1: w1-gpio: Use of_property_read_bool() for boolean properties
virt: fsl: Use of_property_present() for testing DT property presence
soc: fsl: Use of_property_present() for testing DT property presence
sbus: display7seg: Use of_property_read_bool() for boolean properties
sparc: Use of_property_read_bool() for boolean properties
sparc: Use of_property_present() for testing DT property presence
bus: mvebu-mbus: Remove open coded "ranges" parsing
of/address: Add of_property_read_reg() helper
of/address: Add of_range_count() helper
of/address: Add support for 3 address cell bus
of/address: Add of_range_to_resource() helper
of: unittest: Add bus address range parsing tests
of: Drop cpu.h include from of_device.h
OPP: Adjust includes to remove of_device.h
irqchip: loongson-eiointc: Add explicit include for cpuhotplug.h
cpuidle: Adjust includes to remove of_device.h
cpufreq: sun50i: Add explicit include for cpu.h
cpufreq: Adjust includes to remove of_device.h
...
The system refused to do a test_resume because it found that the
swap device has already been taken by someone else. Specifically,
the swsusp_check()->blkdev_get_by_dev(FMODE_EXCL) is supposed to
do this check.
Steps to reproduce:
dd if=/dev/zero of=/swapfile bs=$(cat /proc/meminfo |
awk '/MemTotal/ {print $2}') count=1024 conv=notrunc
mkswap /swapfile
swapon /swapfile
swap-offset /swapfile
echo 34816 > /sys/power/resume_offset
echo test_resume > /sys/power/disk
echo disk > /sys/power/state
PM: Using 3 thread(s) for compression
PM: Compressing and saving image data (293150 pages)...
PM: Image saving progress: 0%
PM: Image saving progress: 10%
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: configured for UDMA/100
ata2: SATA link down (SStatus 0 SControl 300)
ata5: SATA link down (SStatus 0 SControl 300)
ata6: SATA link down (SStatus 0 SControl 300)
ata3: SATA link down (SStatus 0 SControl 300)
ata4: SATA link down (SStatus 0 SControl 300)
PM: Image saving progress: 20%
PM: Image saving progress: 30%
PM: Image saving progress: 40%
PM: Image saving progress: 50%
pcieport 0000:00:02.5: pciehp: Slot(0-5): No device found
PM: Image saving progress: 60%
PM: Image saving progress: 70%
PM: Image saving progress: 80%
PM: Image saving progress: 90%
PM: Image saving done
PM: hibernation: Wrote 1172600 kbytes in 2.70 seconds (434.29 MB/s)
PM: S|
PM: hibernation: Basic memory bitmaps freed
PM: Image not found (code -16)
This is because when using the swapfile as the hibernation storage,
the block device where the swapfile is located has already been mounted
by the OS distribution(usually mounted as the rootfs). This is not
an issue for normal hibernation, because software_resume()->swsusp_check()
happens before the block device(rootfs) mount. But it is a problem for the
test_resume mode. Because when test_resume happens, the block device has
been mounted already.
Thus remove the FMODE_EXCL for test_resume mode. This would not be a
problem because in test_resume stage, the processes have already been
frozen, and the race condition described in
Commit 39fbef4b0f ("PM: hibernate: Get block device exclusively in swsusp_check()")
is unlikely to happen.
Fixes: 39fbef4b0f ("PM: hibernate: Get block device exclusively in swsusp_check()")
Reported-by: Yifan Li <yifan2.li@intel.com>
Suggested-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com>
Tested-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com>
Tested-by: Wendy Wang <wendy.wang@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There is need to check snapshot_test and open block device
in different mode, so as to avoid the race condition.
No functional changes intended.
Suggested-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
dtbs check warning (Stefan Wahren)
- Update the example in the DT bindings to reflect changes with the
ADC node name for QCom TM and TM5 (Marijn Suijten)
- Fix the comments for the cpuidle_cooling_register() function to
match the function prototype (Chenggang Wang)
- Fix inconsistent temperature read and some Mediatek variant board
reboot by reverting a change and handling the temperature
differently (AngeloGioacchino Del Regno)
- Fix a memory leak in the initialization error path for the Mediatek
driver (Kang Chen)
- Use of_address_to_resource() in the Mediatek driver (Rob Herring)
- Fix unit address in the QCom tsens driver DT bindings (Krzysztof
Kozlowski)
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Merge tag 'thermal-v6.4-rc1-3' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull more thermal control changes for 6.4-rc1 from Daniel Lezcano:
"- Add compatible strings DT bindings for imx6sll and imx6ul to fix
dtbs check warning (Stefan Wahren)
- Update the example in the DT bindings to reflect changes with the
ADC node name for QCom TM and TM5 (Marijn Suijten)
- Fix the comments for the cpuidle_cooling_register() function to
match the function prototype (Chenggang Wang)
- Fix inconsistent temperature read and some Mediatek variant board
reboot by reverting a change and handling the temperature
differently (AngeloGioacchino Del Regno)
- Fix a memory leak in the initialization error path for the Mediatek
driver (Kang Chen)
- Use of_address_to_resource() in the Mediatek driver (Rob Herring)
- Fix unit address in the QCom tsens driver DT bindings (Krzysztof
Kozlowski)"
* tag 'thermal-v6.4-rc1-3' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
dt-bindings: thermal: qcom-tsens: Correct unit address
thermal/drivers/mediatek: Use of_address_to_resource()
thermal/drivers/mediatek: Change clk_prepare_enable to devm_clk_get_enabled in mtk_thermal_probe
thermal/drivers/mediatek: Use devm_of_iomap to avoid resource leak in mtk_thermal_probe
thermal/drivers/mediatek: Add temperature constraints to validate read
Revert "thermal/drivers/mediatek: Add delay after thermal banks initialization"
thermal/drivers/cpuidle_cooling: Delete unmatched comments
dt-bindings: thermal: Use generic ADC node name in examples
dt-bindings: imx-thermal: Add imx6sll and imx6ul compatible
The Wi-Fi module in x86 Apple machines has a "module-instance" device
property that specifies the platform type and is used for firmware
selection. Its value is a string, so add support for string values in
acpi_extract_apple_properties().
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
