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Replace the irq_gc_lock/unlock() pairs with guards. There is no point to
implement a guard wrapper for them as they just wrap around raw_spin_lock*().
Switch the other lock instances in the core code to guards as well.
Conversion was done with Coccinelle plus manual fixups.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/all/20250313142524.073826193@linutronix.de
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The SMP conditional wrappers around raw_spin_[un]lock() have no real
value. On !SMP kernels the lock operations are NOOPs except for a
preempt_disable/enable() pair on PREEMPT enabled kernels, which are not
really worth to optimize for. Aside of that this evades lockdep on !SMP
kernels.
Remove the !SMP stubs and make it unconditional.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250313142524.011345765@linutronix.de
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gpiolib: of: Add polarity quirk for s5m8767
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Add a driver for the interrupt controller in the EcoNet EN751221 MIPS SoC.
Signed-off-by: Caleb James DeLisle <cjd@cjdns.fr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250330170306.2584136-4-cjd@cjdns.fr
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Document the device tree binding for the interrupt controller in the
EcoNet EN751221 MIPS SoC.
Signed-off-by: Caleb James DeLisle <cjd@cjdns.fr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/all/20250330170306.2584136-3-cjd@cjdns.fr
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Christian Brauner <brauner@kernel.org> says:
We currently report EINVAL whenever a struct pid has no tasked attached
anymore thereby conflating two concepts:
(1) The task has already been reaped.
(2) The caller requested a pidfd for a thread-group leader but the pid
actually references a struct pid that isn't used as a thread-group
leader.
This is causing issues for non-threaded workloads as in [1] where they
expect ESRCH to be reported, not EINVAL. I think that's a very resonable
assumption.
This patch tries to allow userspace to distinguish between (1) and (2).
This is racy of course but that shouldn't matter.
* patches from https://lore.kernel.org/r/20250403-work-pidfd-fixes-v1-0-a123b6ed6716@kernel.org:
selftest/pidfd: add test for thread-group leader pidfd open for thread
pidfd: improve uapi when task isn't found
pidfd: remove unneeded NULL check from pidfd_prepare()
selftests/pidfd: adapt to recent changes
Link: https://lore.kernel.org/r/20250403-work-pidfd-fixes-v1-0-a123b6ed6716@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Verify that we report ENOENT when userspace tries to create a
thread-group leader pidfd for a thread pidfd that isn't a thread-group
leader.
Link: https://lore.kernel.org/r/20250403-work-pidfd-fixes-v1-4-a123b6ed6716@kernel.org
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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We currently report EINVAL whenever a struct pid has no tasked attached
anymore thereby conflating two concepts:
(1) The task has already been reaped.
(2) The caller requested a pidfd for a thread-group leader but the pid
actually references a struct pid that isn't used as a thread-group
leader.
This is causing issues for non-threaded workloads as in [1].
This patch tries to allow userspace to distinguish between (1) and (2).
This is racy of course but that shouldn't matter.
Link: https://github.com/systemd/systemd/pull/36982 [1]
Link: https://lore.kernel.org/r/20250403-work-pidfd-fixes-v1-3-a123b6ed6716@kernel.org
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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None of the caller actually pass a NULL pid in there.
Link: https://lore.kernel.org/r/20250403-work-pidfd-fixes-v1-2-a123b6ed6716@kernel.org
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Adapt to changes in commit 9133607de37a ("exit: fix the usage of
delay_group_leader->exit_code in do_notify_parent() and pidfs_exit()").
Even if the thread-group leader exited early and succesfully it's exit
status will only be reported once the whole thread-group has exited and
it will share the exit code of the thread-group. So if the thread-group
was SIGKILLed the thread-group leader will also be reported as having
been SIGKILLed.
Link: https://lore.kernel.org/r/20250403-work-pidfd-fixes-v1-1-a123b6ed6716@kernel.org
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Update the document to reflect that initramfs didn't replace initrd
following kernel 2.5.x.
The initramfs buffer format now supports many compression types in
addition to gzip, so include them in the grammar section.
c_mtime use is dependent on CONFIG_INITRAMFS_PRESERVE_MTIME.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Link: https://lore.kernel.org/r/20250402033949.852-2-ddiss@suse.de
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The filesystem's freeze/thaw functions can be called from contexts where
the holder isn't userspace but the kernel, e.g., during systemd
suspend/hibernate. So pass through the freeze/thaw flags from the VFS
instead of hard-coding them.
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Use a common iterator for all callbacks. We could go for something even
more elaborate (advance step-by-step similar to iov_iter) but I really
don't think this is warranted.
Link: https://lore.kernel.org/r/20250329-work-freeze-v2-5-a47af37ecc3d@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Use a common iterator for all callbacks.
Link: https://lore.kernel.org/r/20250329-work-freeze-v2-4-a47af37ecc3d@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Make all iterators uniform by performing an early check whether the
superblock is dying.
Link: https://lore.kernel.org/r/20250329-work-freeze-v2-3-a47af37ecc3d@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Make it easier to read and remove one level of identation.
Link: https://lore.kernel.org/r/20250329-work-freeze-v2-2-a47af37ecc3d@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The locking guarantees that the superblock is alive and sb->s_root is
still set. Remove the pointless check.
Link: https://lore.kernel.org/r/20250329-work-freeze-v2-1-a47af37ecc3d@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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During freeze/thaw we need to be able to freeze all writers during
suspend/hibernate. Otherwise tasks such as systemd-journald that mmap a
file and write to it will not be frozen after we've already frozen the
filesystem.
This has some risk of not being able to freeze processes in case a
process has acquired SB_FREEZE_PAGEFAULT under mmap_sem or
SB_FREEZE_INTERNAL under some other filesytem specific lock. If the
filesystem is frozen, a task can block on the frozen filesystem with
e.g., mmap_sem held. If some other task then blocks on grabbing that
mmap_sem, hibernation ill fail because it is unable to hibernate a task
holding mmap_sem. This could be fixed by making a range of filesystem
related locks use freezable sleeping. That's impractical and not
warranted just for suspend/hibernate. Assume that this is an infrequent
problem and we've given userspace a way to skip filesystem freezing
through a sysfs file.
Link: https://lore.kernel.org/r/20250402-work-freeze-v2-2-6719a97b52ac@kernel.org
Link: https://lore.kernel.org/r/20250327140613.25178-3-James.Bottomley@HansenPartnership.com
[brauner: make all freeze levels set TASK_FREEZABLE and rewrite commit message]
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Percpu-rwsems are used for superblock locking. However, we know the
read percpu-rwsem we take for sb_start_write() on a frozen filesystem
needs not to inhibit system from suspending or hibernating. That
means it needs to wait with TASK_UNINTERRUPTIBLE | TASK_FREEZABLE.
Introduce a new percpu_down_read_freezable() that allows us to control
whether TASK_FREEZABLE is added to the wait flags.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Link: https://lore.kernel.org/r/20250327140613.25178-2-James.Bottomley@HansenPartnership.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Matthew Wilcox (Oracle) <willy@infradead.org> says:
We have just one filesystm (vboxsf) left which implements ->writepage.
This patchset converts it to writepages then removes all the callers
of ->writepage.
* patches from https://lore.kernel.org/r/20250402150005.2309458-1-willy@infradead.org:
fs: Remove aops->writepage
mm: Remove swap_writepage() and shmem_writepage()
ttm: Call shmem_writeout() from ttm_backup_backup_page()
i915: Use writeback_iter()
shmem: Add shmem_writeout()
writeback: Remove writeback_use_writepage()
migrate: Remove call to ->writepage
vboxsf: Convert to writepages
9p: Add a migrate_folio method
Link: https://lore.kernel.org/r/20250402150005.2309458-1-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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All callers and implementations are now removed, so remove the operation
and update the documentation to match.
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Link: https://lore.kernel.org/r/20250402150005.2309458-10-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Call swap_writeout() and shmem_writeout() from pageout() instead.
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Link: https://lore.kernel.org/r/20250402150005.2309458-9-willy@infradead.org
Tested-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The ->writepage operation is being removed. Since this function
exclusively deals with shmem folios, we can call shmem_writeout()
to write it.
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Link: https://lore.kernel.org/r/20250402150005.2309458-8-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Convert from an inefficient loop to the standard writeback iterator.
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Link: https://lore.kernel.org/r/20250402150005.2309458-7-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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This will be the replacement for shmem_writepage().
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Link: https://lore.kernel.org/r/20250402150005.2309458-6-willy@infradead.org
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The ->writepage operation has been removed from all filesystems but
shmem and swap, neither of which call in here. Remove this alternative
to calling ->writepages.
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Link: https://lore.kernel.org/r/20250402150005.2309458-5-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The writepage callback is going away; filesystems must implement
migrate_folio or else dirty folios will not be migratable.
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Link: https://lore.kernel.org/r/20250402150005.2309458-4-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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If we add a migrate_folio operation, we can convert the writepage
operation to writepages. Further, this lets us optimise by using
the same write handle for multiple folios. The large folio support here
is illusory; we would need to kmap each page in turn for proper support.
But we do remove a few hidden calls to compound_head().
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Link: https://lore.kernel.org/r/20250402150005.2309458-3-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The migration code used to be able to migrate dirty 9p folios by writing
them back using writepage. When the writepage method was removed,
we neglected to add a migrate_folio method, which means that dirty 9p
folios have been unmovable ever since. This reduced our success at
defragmenting memory on machines which use 9p heavily.
Fixes: 80105ed2fd27 (9p: Use netfslib read/write_iter)
Cc: stable@vger.kernel.org
Cc: David Howells <dhowells@redhat.com>
Cc: v9fs@lists.linux.dev
Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Link: https://lore.kernel.org/r/20250402150005.2309458-2-willy@infradead.org
Acked-by: Dominique Martinet <asmadeus@codewreck.org>
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Convert the bfs filesystem to use the new mount API.
Tested using mount and simple writes & reads on ro/rw bfs devices.
Signed-off-by: Pavel Reichl <preichl@redhat.com>
Link: https://lore.kernel.org/r/20250320204224.181403-1-preichl@redhat.com
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Add new function *_twothreecell() to extend support to parse three-cell
interrupts which encoded as <instance hwirq irqflag>, the translate
function will retrieve irq number and flag from last two cells.
This API will be used in gpio irq driver which need to work with
two or three cells cases.
Signed-off-by: Yixun Lan <dlan@gentoo.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250326-04-gpio-irq-threecell-v3-1-aab006ab0e00@gentoo.org
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This is prepare patch for switching s5m8767 regulator driver to
use GPIO descriptor. DTS for exynos5250 spring incorrectly specifies
"active low" polarity for the DVS and DS line. But per datasheet,
they are actually active high. So add polarity quirk for it.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250327004945.563765-1-peng.fan@oss.nxp.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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cachefiles uses some VFS interfaces (such as vfs_mkdir) which take an
explicit mnt_idmap, and it passes &nop_mnt_idmap as cachefiles doesn't
yet support idmapped mounts.
It also uses the lookup_one_len() family of functions which implicitly
use &nop_mnt_idmap. This mixture of implicit and explicit could be
confusing. When we eventually update cachefiles to support idmap mounts it
would be best if all places which need an idmap determined from the
mount point were similar and easily found.
So this patch changes cachefiles to use lookup_one(), lookup_one_unlocked(),
and lookup_one_positive_unlocked(), passing &nop_mnt_idmap.
This has the benefit of removing the remaining user of the
lookup_one_len functions where permission checking is actually needed.
Other callers don't care about permission checking and using these
function only where permission checking is needed is a valuable
simplification.
This requires passing the name in a qstr. This is easily done with
QSTR() as the name is always nul terminated, and often strlen is used
anyway. ->d_name_len is removed as no longer useful.
Signed-off-by: NeilBrown <neilb@suse.de>
Link: https://lore.kernel.org/r/20250319031545.2999807-4-neil@brown.name
Signed-off-by: Christian Brauner <brauner@kernel.org>
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nfsd uses some VFS interfaces (such as vfs_mkdir) which take an explicit
mnt_idmap, and it passes &nop_mnt_idmap as nfsd doesn't yet support
idmapped mounts.
It also uses the lookup_one_len() family of functions which implicitly
use &nop_mnt_idmap. This mixture of implicit and explicit could be
confusing. When we eventually update nfsd to support idmap mounts it
would be best if all places which need an idmap determined from the
mount point were similar and easily found.
So this patch changes nfsd to use lookup_one(), lookup_one_unlocked(),
and lookup_one_positive_unlocked(), passing &nop_mnt_idmap.
This has the benefit of removing some uses of the lookup_one_len
functions where permission checking is actually needed. Many callers
don't care about permission checking and using these function only where
permission checking is needed is a valuable simplification.
This change requires passing the name in a qstr. Currently this is a
little clumsy, but if nfsd is changed to use qstr more broadly it will
result in a net improvement.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/r/20250319031545.2999807-3-neil@brown.name
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The family of functions:
lookup_one()
lookup_one_unlocked()
lookup_one_positive_unlocked()
appear designed to be used by external clients of the filesystem rather
than by filesystems acting on themselves as the lookup_one_len family
are used.
They are used by:
btrfs/ioctl - which is a user-space interface rather than an internal
activity
exportfs - i.e. from nfsd or the open_by_handle_at interface
overlayfs - at access the underlying filesystems
smb/server - for file service
They should be used by nfsd (more than just the exportfs path) and
cachefs but aren't.
It would help if the documentation didn't claim they should "not be
called by generic code".
Also the path component name is passed as "name" and "len" which are
(confusingly?) separate by the "base". In some cases the len in simply
"strlen" and so passing a qstr using QSTR() would make the calling
clearer.
Other callers do pass separate name and len which are stored in a
struct. Sometimes these are already stored in a qstr, other times it
easily could be.
So this patch changes these three functions to receive a 'struct qstr *',
and improves the documentation.
QSTR_LEN() is added to make it easy to pass a QSTR containing a known
len.
[brauner@kernel.org: take a struct qstr pointer]
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/r/20250319031545.2999807-2-neil@brown.name
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The sg2042-msi driver uses the fallback callbacks set by
msi_lib_init_dev_msi_info(). commit 1c000dcaad2b ("irqchip/irq-msi-lib:
Optionally set default irq_eoi()/irq_ack()") changed the behavior of the
fallback mechanism by making it opt-in.
The sg2042-msi was not fixed up for this, which causes a NULL pointer
dereference due to the missing irq_ack() callback.
Add the missing chip flag to msi_parent_ops.
Fixes: c66741549424 ("irqchip: Add the Sophgo SG2042 MSI interrupt controller")
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250217085657.789309-3-apatel@ventanamicro.com
Link: https://lore.kernel.org/all/20250405055625.1530180-1-inochiama@gmail.com
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Commit fa8dede4d0a0 ("irqchip: remove davinci aintc driver") removed the
davinci aintc driver but left behind the associated header. Remove it
now.
Fixes: fa8dede4d0a0 ("irqchip: remove davinci aintc driver")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/all/20250306084552.15894-1-brgl@bgdev.pl
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-13-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-12-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-11-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-10-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-9-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-8-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-7-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-6-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Additionally, the "name" parameter of pcim_iomap_region() should reflect
the driver's, not the hardware's, name. Pass the correct parameter.
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-5-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-4-phasta@kernel.org
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pcim_iomap_table() and pcim_iomap_regions() have been deprecated.
Replace them with pcim_iomap_region().
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250404121911.85277-3-phasta@kernel.org
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release_firmware() checks for NULL pointers internally.
Remove unneeded NULL check for fmw here.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250407061939.2771803-1-nichen@iscas.ac.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add aliases for the MMC devices so that after the system starts up,
they will all have fixed device numbers.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Link: https://lore.kernel.org/r/20250324125215.160616-1-andyshrk@163.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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