Starting a BCM UART controller not defined as a platform device or
a serdev with "btattach -B /dev/ttyS1 -P bcm -S 3000000" works fine
but the serial port remains at the init_speed, i.e. 115200.
The oper_speed is only set if a device is declared in ACPI, device
tree or as a platform device.
This commit copies the serial port speed fixed by hciattach to the
oper_speed on line discipline opening.
Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Since kzalloc already zeroes the allocated memory, the subsequent
memset call is unnecessary. This patch removes the redundant memset to
clean up the code and enhance efficiency.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Describe the inputs from the PMU that the Bluetooth module on wcn6855
consumes and drop the ones from the host. This breaks the current
contract but the only two users of wcn6855 upstream - sc8280xp based
boards - will be updated in DTS patches sent separately while the
hci_qca driver will remain backwards compatible with older DT sources.
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This enables btnxpuart driver to handle ISO RX packet when DUT is
configured as audio sink.
Tested IW612 on iMX8MMini platform and BlueZ-5.77 as follows:
1) Configured DUT with bap_bcast_sink role in pipewire configuration file.
2) Started pipewire and DUT is able to sync with Broadcast source through
pipewire.
3) ISO data RX is seen in btmon.
4) Audio/Music is heard on audio jack.
Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com>
Tested-by: Sarveshwar Bajaj <sarveshwar.bajaj@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This adds ISO packet support in h4_recv.h, which was created before ISO
packet handling was added to hci_h4.c and hci_uart.c
Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This inverts the LE State flag so by default we assume the controllers
would report valid states rather than invalid so it is inline with the
respective quirk (HCI_QUIRK_BROKEN_LE_STATES).
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add Amlogic Bluetooth entry to MAINTAINERS to clarify the maintainers
Signed-off-by: Yang Li <yang.li@amlogic.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
The declaration of aiu_fifo_hw_free() has been removed since
commit e05cde84ea ("ASoC: meson: Use managed DMA buffer allocation").
Let's remove the unused declaration.
Fixes: e05cde84ea ("ASoC: meson: Use managed DMA buffer allocation")
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://patch.msgid.link/20240910122330.70684-1-zhangzekun11@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a new HCI protocol HCI_UART_AML for the Amlogic Bluetooth
controller. It works on the standard H4 protocol via a 4-wire UART
interface, with baud rates up to 4 Mbps.
The controller supports two types of commands: the TCI commands and the
vendor command. The former is for initial setup including setting baud
rates, downloading fw, starting chip and etc, while the latter is for
dumping firmware versions and setting public address after firmware
updates and normal startup.
It was verified on board of T602 (S905X4 + W265S2).
dmesg:
..
[ 5.313450] Bluetooth: HCI UART protocol AML registered
[ 6.506052] Bluetooth: hci0: fw_version: date = 42.28, number = 0xb2fd
...
Co-developed-by: Ye He <ye.he@amlogic.com>
Signed-off-by: Ye He <ye.he@amlogic.com>
Signed-off-by: Yang Li <yang.li@amlogic.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add binding document for Amlogic Bluetooth chipsets attached over UART.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Yang Li <yang.li@amlogic.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add support for handling ISO RX and TX packets.
Signed-off-by: Kiran <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add a helper function hci_iso_hdr() to extract iso header from skb.
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
pull the following:
- Florian enables the ARM GICv3 driver since newer STB chips make use of
a GIC-600 controller
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Merge tag 'arm-soc/for-6.12/soc' of https://github.com/Broadcom/stblinux into soc/arm
This pull request contains Broadcom 32-bit SoC changes for 6.12, please
pull the following:
- Florian enables the ARM GICv3 driver since newer STB chips make use of
a GIC-600 controller
* tag 'arm-soc/for-6.12/soc' of https://github.com/Broadcom/stblinux:
ARM: bcm: Select ARM_GIC_V3 for ARCH_BRCMSTB
Fix a few warning error with W=1
Switch orion5x to new sys-off handler API
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Merge tag 'mvebu-arm-6.12-1' of https://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu into soc/arm
mvebu arm for 6.12 (part 1)
Fix a few warning error with W=1
Switch orion5x to new sys-off handler API
* tag 'mvebu-arm-6.12-1' of https://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu:
ARM: dove: Drop a write-only variable
ARM: orion5x: Switch to new sys-off handler API
ARM: mvebu: Warn about memory chunks too small for DDR training
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Move declaration of interface_lock outside of CONFIG_TIMERLAT_TRACER
The fix to some locking races moved the declaration of the
interface_lock up in the file, but also moved it into the
CONFIG_TIMERLAT_TRACER #ifdef block, breaking the build when
that wasn't set. Move it further up and out of that #ifdef block.
- Remove unused function run_tracer_selftest() stub
When CONFIG_FTRACE_STARTUP_TEST is not set the stub function
run_tracer_selftest() is not used and clang is warning about it.
Remove the function stub as it is not needed.
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Merge tag 'trace-v6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Move declaration of interface_lock outside of CONFIG_TIMERLAT_TRACER
The fix to some locking races moved the declaration of the
interface_lock up in the file, but also moved it into the
CONFIG_TIMERLAT_TRACER #ifdef block, breaking the build when that
wasn't set. Move it further up and out of that #ifdef block.
- Remove unused function run_tracer_selftest() stub
When CONFIG_FTRACE_STARTUP_TEST is not set the stub function
run_tracer_selftest() is not used and clang is warning about it.
Remove the function stub as it is not needed.
* tag 'trace-v6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Drop unused helper function to fix the build
tracing/osnoise: Fix build when timerlat is not enabled
This reverts commit defd28aa5a.
Recover the code to disable premapped mode.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Takero Funaki <flintglass@gmail.com>
Link: https://patch.msgid.link/20240906123137.108741-2-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
[Why]
drm_normalize_zpos will set the crtc_state->zpos_changed to 1 if any of
it's assigned planes changes zpos, or is removed/added from it.
To have amdgpu_dm request a plane reset on this is too broad. For
example, if only the cursor plane was moved from one crtc to another,
the crtc's zpos_changed will be set to true. But that does not mean that
the underlying primary plane requires a reset.
[How]
Narrow it down so that only the plane that has a change in zpos will
require a reset.
As a future TODO, we can further optimize this by only requiring a reset
on z-order change. Z-order is different from z-pos, since a zpos change
doesn't necessarily mean the z-ordering changed, and DC should only
require a reset if the z-ordering changed.
For example, the following zpos update does not change z-ordering:
Plane A: zpos 2 -> 3
Plane B: zpos 1 -> 2
=> Plane A is still on top of plane B: no reset needed
Whereas this one does change z-ordering:
Plane A: zpos 2 -> 1
Plane B: zpos 1 -> 2
=> Plane A changed from on top, to below plane B: reset needed
Fixes: 38e0c3df6d ("drm/amd/display: Move PRIMARY plane zpos higher")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3569
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
A recent change ensured that the necessary -EOPNOTSUPP -> -EAGAIN
transformation happens inline on both the reader and writer side,
and hence there's no need to check for both of these anymore on
the completion handler side.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Some file systems, ocfs2 in this case, will return -EOPNOTSUPP for
an IOCB_NOWAIT read/write attempt. While this can be argued to be
correct, the usual return value for something that requires blocking
issue is -EAGAIN.
A refactoring io_uring commit dropped calling kiocb_done() for
negative return values, which is otherwise where we already do that
transformation. To ensure we catch it in both spots, check it in
__io_read() itself as well.
Reported-by: Robert Sander <r.sander@heinlein-support.de>
Link: https://fosstodon.org/@gurubert@mastodon.gurubert.de/113112431889638440
Cc: stable@vger.kernel.org
Fixes: a08d195b58 ("io_uring/rw: split io_read() into a helper")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
A syncobj reference is taken in drm_syncobj_find, but not released if
eventfd_ctx_fdget or kzalloc fails. Put the reference in these error
paths.
Reported-by: Xingyu Jin <xingyuj@google.com>
Fixes: c7a4722971 ("drm/syncobj: add IOCTL to register an eventfd")
Signed-off-by: T.J. Mercier <tjmercier@google.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by. Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org # 6.6+
Link: https://patchwork.freedesktop.org/patch/msgid/20240909205400.3498337-1-tjmercier@google.com
Signed-off-by: Christian König <christian.koenig@amd.com>
The stop command doesn't use any address on the target:
w_packet->data[0] = 0;
and indeed the targed_addr parameter was unused. Remove it.
Cc: Wentong Wu <wentong.wu@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
[SUBPAGE COMPRESSION LIMITS]
Currently inside writepage_delalloc(), if a delalloc range is going to
be submitted asynchronously (inline or compression, the page
dirty/writeback/unlock are all handled in at different time, not at the
submission time), then we return 1 and extent_writepage() will skip the
submission.
This is fine if every sector matches page size, but if a sector is
smaller than page size (aka, subpage case), then it can be very
problematic, for example for the following 64K page:
0 16K 32K 48K 64K
|/| |///////| |/|
| |
4K 52K
Where |/| is the dirty range we need to submit.
In the above case, we need the following different handling for the 3
ranges:
- [0, 4K) needs to be submitted for regular write
A single sector cannot be compressed.
- [16K, 32K) needs to be submitted for compressed write
- [48K, 52K) needs to be submitted for regular write.
Above, if we try to submit [16K, 32K) for compressed write, we will
return 1 and immediately, and without submitting the remaining
[48K, 52K) range.
Furthermore, since extent_writepage() will exit without unlocking any
sectors, the submitted range [0, 4K) will not have sector unlocked.
That's the reason why for now subpage is only allowed for full page
range.
[ENHANCEMENT]
- Introduce a submission bitmap at btrfs_bio_ctrl::submit_bitmap
This records which sectors will be submitted by extent_writepage_io().
This allows us to track which sectors needs to be submitted thus later
to be properly unlocked.
For asynchronously submitted range (inline/compression), the
corresponding bits will be cleared from that bitmap.
- Only return 1 if no sector needs to be submitted in
writepage_delalloc()
- Only submit sectors marked by submission bitmap inside
extent_writepage_io()
So we won't touch the asynchronously submitted part.
- Introduce btrfs_folio_end_writer_lock_bitmap() helper
This will only unlock the involved sectors specified by @bitmap
parameter, to avoid touching the range asynchronously submitted.
Please note that, since subpage compression is still limited to page
aligned range, this change is only a preparation for future sector
perfect compression support for subpage.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The function btrfs_folio_unlock_writer() is already calling
btrfs_folio_end_writer_lock() to do the heavy lifting work, the only
missing 0 writer check.
Thus there is no need to keep two different functions, move the 0 writer
check into btrfs_folio_end_writer_lock(), and remove
btrfs_folio_unlock_writer().
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
All cleanup paths lead to btrfs_path_free so path can be defined with
the automatic freeing callback in the following functions:
- btrfs_insert_orphan_item()
- btrfs_del_orphan_item()
Signed-off-by: Leo Martins <loemra.dev@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
All cleanup paths lead to btrfs_path_free so path can be defined with
the automatic freeing callback in the following functions:
- calculate_emulated_zone_size()
- calculate_alloc_pointer()
Signed-off-by: Leo Martins <loemra.dev@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Add a DEFINE_FREE for struct btrfs_path. This defines a function that
can be called using the __free attribute. Define a macro
BTRFS_PATH_AUTO_FREE to make the declaration of an auto freeing path
very clear.
The intended use is to define the auto free of path in cases where the
path is allocated somewhere at the beginning and freed either on all
error paths or at the end of the function.
int func() {
BTRFS_PATH_AUTO_FREE(path);
if (...)
return -ERROR;
path = alloc_path();
...
if (...)
return -ERROR;
...
return 0;
}
Signed-off-by: Leo Martins <loemra.dev@gmail.com>
[ update changelog ]
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The function btrfs_folio_end_all_writers() is only utilized in
extent_writepage() as a way to unlock all subpage range (for both
successful submission and error handling).
Meanwhile we have a similar function, btrfs_folio_end_writer_lock().
The difference is, btrfs_folio_end_writer_lock() expects a range that is
a subset of the already locked range.
This limit on btrfs_folio_end_writer_lock() is a little overkilled,
preventing it from being utilized for error paths.
So here we enhance btrfs_folio_end_writer_lock() to accept a superset of
the locked range, and only end the locked subset.
This means we can replace btrfs_folio_end_all_writers() with
btrfs_folio_end_writer_lock() instead.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Continue adding const to parameters. This is for clarity and minor
addition to safety. There are some minor effects, in the assembly code
and .ko measured on release config.
Signed-off-by: David Sterba <dsterba@suse.com>
Currently BTRFS_I is a static inline function that takes a const inode
and returns btrfs inode, dropping the 'const' qualifier. This can break
assumptions of compiler though it seems there's no real case.
To make the parameter and return type consistent regardint const we can
use the container_of_const() that preserves it. However this would not
check the parameter type. To fix that use the same _Generic construct
but implement only the two expected types.
Signed-off-by: David Sterba <dsterba@suse.com>
We have a few places that check if we have the inode locked by doing:
ASSERT(inode_is_locked(vfs_inode));
This actually proved to be useful several times as if assertions are
enabled (and by default they are in many distros) it immediately triggers
a crash which is impossible for users to miss.
However that doesn't check if the lock is held by the calling task, so
the check passes if some other task locked the inode.
Using one of the lockdep functions to check the lock is held, like
lockdep_assert_held() for example, does check that the calling task
holds the lock, and if that's not the case it produces a warning and
stack trace in dmesg. However, despite the misleading "assert" in the
name of the lockdep helpers, it does not trigger a crash/BUG_ON(), just
a warning and splat in dmesg, which is easy to get unnoticed by users
who may have lockdep enabled.
So add a helper that does the ASSERT() and calls lockdep_assert_held()
immediately after and use it every where we check the inode is locked.
Like this if the lock is held by some other task we get the warning
in dmesg which is caught by fstests, very helpful during development,
and may also be occassionaly noticed by users with lockdep enabled.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Even in case of failure we could've discarded some data and userspace
should be made aware of it, so copy fstrim_range to userspace
regardless.
Also make sure to update the trimmed bytes amount even if
btrfs_trim_free_extents fails.
CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Luca Stefani <luca.stefani.ge1@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. Moreover find_or_create_page() is compatible API, and it can
replaced with __filemap_get_folio(). Some interfaces have been converted
to use folio before, so the conversion operation from page can be
eliminated here.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. Based on the previous patch, the compression path can be
directly used in folio without converting to page.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. And memcpy_to_page() can be replaced with memcpy_to_folio().
But there is no memzero_folio(), but it can be replaced equivalently by
folio_zero_range().
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. And memcpy_to_page() can be replaced with memcpy_to_folio().
But there is no memzero_folio(), but it can be replaced equivalently by
folio_zero_range().
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. And memcpy_to_page() can be replaced with memcpy_to_folio().
But there is no memzero_folio(), but it can be replaced equivalently by
folio_zero_range().
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. And page_to_inode() can be replaced with folio_to_inode() now.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. Moreover, use folio_pos() instead of page_offset(),
which is more consistent with folio usage.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. Moreover, use folio_pos() instead of page_offset(),
which is more consistent with folio usage.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. Moreover, use kmap_local_folio() instead of kmap_local_page(),
which is more consistent with folio usage.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. And use folio_pos instead of page_offset, which is more
consistent with folio usage. At the same time, folio_test_private() can
handle folio directly without converting from page to folio first.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
