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And to do so we ensure the Unicode screen buffer is initialized when
double-width characters are encountered.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Link: https://lore.kernel.org/r/20250507141535.40655-3-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The in_range() helper accepts a start and a length, not a start and
an end.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250507141535.40655-2-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Refactor parity calculations to use the standard parity8() helper.
This change eliminates redundant implementations.
Co-developed-by: Yu-Chun Lin <eleanor15x@gmail.com>
Signed-off-by: Yu-Chun Lin <eleanor15x@gmail.com>
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Link: https://lore.kernel.org/r/20250515081311.775559-1-visitorckw@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The binding references in-kernel serial.yaml, so there is no need to
explicitly list its properties. Note that rts-gpio is also redundant
because DTS should be simply converted to -gpios variants.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250514125127.56149-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the Socionext Milbeaut UART binding to DT schema. It is a
straight-forward conversion.
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250507154924.1602842-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the Microchip PIC32 UART binding to DT schema. The binding was
unclear there are 3 interrupts. The functions were determined from the
driver. The 'cts-gpios' property is covered by serial.yaml schema.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250507154937.1603190-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the Arm SBSA UART binding to DT schema. It is a straight-forward
conversion.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20250506220016.2545637-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the Synopsys ARC UART binding to DT schema. Drop the "aliases"
portion which is not relevant to this schema.
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250507154909.1602497-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the Marvell Armada-3700 UART binding to DT schema. It is a
straight-forward conversion.
Drop the long deprecated single interrupt support.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250507154408.1595932-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the Lantiq SoC ASC UART binding to DT schema. There are no such
clock identifier defines nor a user with clocks, so drop the example
with clocks.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20250506220029.2546179-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the Cirrus EP7209 UART binding to DT schema. There is no user of
"cirrus,ep7312-uart" other than the example, so drop it. Drop the
"aliases" node part as it is not relevant to the schema. The modem
control GPIOs are covered by the serial.yaml schema and don't have to be
listed in the schema.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20250506220021.2545820-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the Arm MPS2 UART binding to DT schema. It is a straight-forward
conversion.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20250506220012.2545470-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the NXP LPC3220 HS UART binding to DT schema. It is a
straight-forward conversion.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Link: https://lore.kernel.org/r/20250506220048.2546915-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the Conexant Digicolor USART binding to DT schema. It is a
straight-forward conversion.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Link: https://lore.kernel.org/r/20250506220025.2545995-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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No device was set which caused serial_base_ctrl_add to crash.
BUG: kernel NULL pointer dereference, address: 0000000000000050
Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 16 UID: 0 PID: 368 Comm: (udev-worker) Not tainted 6.12.25-amd64 #1 Debian 6.12.25-1
RIP: 0010:serial_base_ctrl_add+0x96/0x120
Call Trace:
<TASK>
serial_core_register_port+0x1a0/0x580
? __setup_irq+0x39c/0x660
? __kmalloc_cache_noprof+0x111/0x310
jsm_uart_port_init+0xe8/0x180 [jsm]
jsm_probe_one+0x1f4/0x410 [jsm]
local_pci_probe+0x42/0x90
pci_device_probe+0x22f/0x270
really_probe+0xdb/0x340
? pm_runtime_barrier+0x54/0x90
? __pfx___driver_attach+0x10/0x10
__driver_probe_device+0x78/0x110
driver_probe_device+0x1f/0xa0
__driver_attach+0xba/0x1c0
bus_for_each_dev+0x8c/0xe0
bus_add_driver+0x112/0x1f0
driver_register+0x72/0xd0
jsm_init_module+0x36/0xff0 [jsm]
? __pfx_jsm_init_module+0x10/0x10 [jsm]
do_one_initcall+0x58/0x310
do_init_module+0x60/0x230
Tested with Digi Neo PCIe 8 port card.
Fixes: 84a9582fd203 ("serial: core: Start managing serial controllers to enable runtime PM")
Cc: stable <stable@kernel.org>
Signed-off-by: Dustin Lundquist <dustin@null-ptr.net>
Link: https://lore.kernel.org/r/3f31d4f75863614655c4673027a208be78d022ec.camel@null-ptr.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add SAMA7D65 USART compatible to DT bindings documentation.
Signed-off-by: Dharma Balasubiramani <dharma.b@microchip.com>
Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/ba19dff5c20bd022cf5391ac909a85ab5e1797b4.1746201835.git.Ryan.Wanner@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add new dynamically generated headers to the local .gitignore.
Fixes: c2d2c5c0d631 ("vt: move UCS tables to the "shipped" form")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Nicolas Pitre <npitre@baylibre.com>
Link: https://lore.kernel.org/r/20250430122917.72105-1-brgl@bgdev.pl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Refine several dev_err() and dev_dbg() messages to solve:
// hardcoded device name
dev_dbg(dev, "...dev_name_str...")
// repeated device name since dev_dbg() also prints it as prefix
dev_err(dev, "...%s...", dev_name(dev))
// not concise as dev_err(dev, "...%d...", err)
dev_err(dev, "...%pe...", ERR_PTR(err))
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250425-fix_serdev-v3-1-2e4ea8261640@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Systems that issue PCIe hot reset requests during a suspend/resume
cycle cause PCI1XXXX device revisions prior to C0 to get its UART
configuration registers reset to hardware default values. This results
in device inaccessibility and data transfer failures. Starting with
Revision C0, support was added in the device hardware (via the Hot
Reset Disable Bit) to allow resetting only the PCIe interface and its
associated logic, but preserving the UART configuration during a hot
reset. This patch enables the hot reset disable feature during suspend/
resume for C0 and later revisions of the device.
Signed-off-by: Rengarajan S <rengarajan.s@microchip.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250425145500.29036-1-rengarajan.s@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ExynosAutov920 SoC supports 18 UART ports, update
the value of UART_NR to accommodate the same.
Signed-off-by: Faraz Ata <faraz.ata@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250429102941.4138463-1-faraz.ata@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Ondrej reports that certain SELinux tests are failing after commit
fc2a169c56de ("sunrpc: clean cache_detail immediately when flush is
written frequently"), merged during the v6.15 merge window.
Reported-by: Ondrej Mosnacek <omosnace@redhat.com>
Fixes: fc2a169c56de ("sunrpc: clean cache_detail immediately when flush is written frequently")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Use the "shipped" mechanism to copy pre-generated tables to the build
tree by default. If GENERATE_UCS_TABLES=1 then they are generated at
build time instead. If GENERATE_UCS_TABLES=2 then
gen_ucs_recompose_table.py is invoked with --full.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Suggested-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-15-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Width tables are now split into BMP (16-bit) and non-BMP (above 16-bit).
This reduces the corresponding text size by 20-25%.
Note: scripts/checkpatch.pl complains about "... exceeds 100 columns".
Please ignore.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-14-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Split table ranges into BMP (16-bit) and non-BMP (above 16-bit).
This reduces the corresponding text size by 20-25%.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-13-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is now taken care of by ucs_is_zero_width().
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-12-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In the Unicode screen buffer, we follow double-width code points with a
space to maintain proper column alignment. This, however, creates
semantic problems when e.g. using cut and paste.
Let's use a better code point for the column padding's purpose i.e. a
zero-width space rather than a full space. This way the combination
retains a width of 2.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-11-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Try replacing any decomposed Unicode sequence by the corresponding
recomposed code point. Code point to glyph correspondance works best
after recomposition, and this apply mostly to single-width code points
therefore we can't preserve them in their decomposed form anyway.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-10-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Nicolas Pitre
Kuan-Wei Chiu
Krzysztof Kozlowski
Rob Herring (Arm)
Dustin Lundquist
Dharma Balasubiramani
Bartosz Golaszewski
Zijun Hu
Rengarajan S
Faraz Ata
Linus Torvalds
Chuck Lever