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Only CS7 and CS8 seem supported but CSIZE was not sanitized in termios
c_cflag. The driver sets 7 bits whenever data_bits is not 8 so default
to CS7 when CSIZE is not CS8.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220519081808.3776-10-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add CSIZE sanitization for unsupported CSIZE configurations. In
addition, if parity is asked for but CSx was unsupported, the sensible
result is CS8+parity which requires setting USART_CR1_M0 like with 9
bits.
Incorrect CSIZE results in miscalculation of the frame bits in
tty_get_char_size() or in its predecessor where the roughly the same
code is directly within uart_update_timeout().
Fixes: c8a9d043947b (serial: stm32: fix word length configuration)
Cc: Erwan Le Ray <erwan.leray@st.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220519081808.3776-9-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Only CS7 and CS8 seem supported but CSIZE is not sanitized from CS5 or
CS6 to CS8. In addition, ASC_CTL_MODE_7BIT_PAR suggests that CS7 has
to have parity, thus add PARENB.
Incorrect CSIZE results in miscalculation of the frame bits in
tty_get_char_size() or in its predecessor where the roughly the same
code is directly within uart_update_timeout().
Fixes: c4b058560762 (serial:st-asc: Add ST ASC driver.)
Cc: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220519081808.3776-8-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Only CS8 is supported but CSIZE was not sanitized to CS8.
Set CSIZE correctly so that userspace knows the effective value.
Incorrect CSIZE also results in miscalculation of the frame bits in
tty_get_char_size() or in its predecessor where the roughly the same
code is directly within uart_update_timeout().
Similarly, INPCK, PARMRK, and BRKINT are reported textually unsupported
but were not cleared in termios c_iflag which is the machine-readable
format.
Fixes: 45c054d0815b (tty: serial: add driver for the SiFive UART)
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220519081808.3776-7-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Only CS7 and CS8 seem supported but CSIZE is not sanitized from
CS5 or CS6 to CS8.
Set CSIZE correctly so that userspace knows the effective value.
Incorrect CSIZE also results in miscalculation of the frame bits in
tty_get_char_size() or in its predecessor where the roughly the same
code is directly within uart_update_timeout().
Fixes: 1da177e4c3f4 (Linux-2.6.12-rc2)
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220519081808.3776-6-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Only CS7 and CS8 are supported but CSIZE is not sanitized with
CS5 or CS6 to CS8.
Set CSIZE correctly so that userspace knows the effective value.
Incorrect CSIZE also results in miscalculation of the frame bits in
tty_get_char_size() or in its predecessor where the roughly the same
code is directly within uart_update_timeout().
Fixes: 1da177e4c3f4 (Linux-2.6.12-rc2)
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220519081808.3776-5-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Only CS7 and CS8 are supported but CSIZE is not sanitized after
fallthrough from CS5 or CS6 to CS7.
Set CSIZE correctly so that userspace knows the effective value.
Incorrect CSIZE also results in miscalculation of the frame bits in
tty_get_char_size() or in its predecessor where the roughly the same
code is directly within uart_update_timeout().
Fixes: c10b13325ced (tty: serial: Add RDA8810PL UART driver)
Cc: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220519081808.3776-4-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Only CS7 and CS8 seem supported but CSIZE is not sanitized to CS8 in
the default: block.
Set CSIZE correctly so that userspace knows the effective value.
Incorrect CSIZE also results in miscalculation of the frame bits in
tty_get_char_size() or in its predecessor where the roughly the same
code is directly within uart_update_timeout().
Fixes: 5930cb3511df (serial: driver for Conexant Digicolor USART)
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220519081808.3776-3-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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BRKINT is within c_iflag rather than c_cflag.
Fixes: ea017f5853e9 (tty: serial: uartlite: Prevent changing fixed parameters)
Reviewed-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220519081808.3776-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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drivers/tty/serial/cpm_uart/cpm_uart_core.c: In function ‘cpm_uart_init_port’:
drivers/tty/serial/cpm_uart/cpm_uart_core.c:1251:7: error: ‘udbg_port’ undeclared (first use in this function); did you mean ‘uart_port’?
if (!udbg_port)
^~~~~~~~~
uart_port
commit d142585bceb3 leave this corner, wrap it with #ifdef block
Fixes: d142585bceb3 ("serial: cpm_uart: Protect udbg definitions by CONFIG_SERIAL_CPM_CONSOLE")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20220518135452.39480-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For the case of console_suspend disabled, if back to back suspend/resume
test is executed, at the end of test, sometimes console would appear to
be frozen not responding to input. This would happen because, during
resume, rx transactions can come in before system is ready, malfunction
of rx happens in turn resulting in console appearing to be stuck.
Do a stop_rx in suspend sequence to prevent this.
Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@quicinc.com>
Link: https://lore.kernel.org/r/1652692810-31148-1-git-send-email-quic_vnivarth@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace the UART frequency table 'root_freq[]' with logic around
clk_round_rate() so that SoC details like the available clk frequencies
can change and this driver still works. This reduces tight coupling
between this UART driver and the SoC clk driver because we no longer
have to update the 'root_freq[]' array for new SoCs. Instead the driver
determines the available frequencies at runtime.
Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@quicinc.com>
Link: https://lore.kernel.org/r/1652697510-30543-1-git-send-email-quic_vnivarth@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The RZ/V2M SoC has an additional clock to access the registers. The HW
manual says this clock should not be touched as it is used by the
"ISP Firmware".
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Link: https://lore.kernel.org/r/20220512072649.7879-1-phil.edworthy@renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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SER_RS485_RTS_ON_SEND and SER_RS485_RTS_AFTER_SEND relate to behavior
within RS485 operation. The driver checks if they have the same value
which is not possible to realize with the hardware. The check is taken
regardless of SER_RS485_ENABLED flag and -EINVAL is returned when the
check fails, which creates problems.
This check makes it unnecessarily complicated to turn RS485 mode off as
simple zeroed serial_rs485 struct will trigger that equal values check.
In addition, the driver itself memsets its rs485 structure to zero when
RS485 is disabled but if userspace would try to make an TIOCSRS485
ioctl() call with the very same struct, it would end up failing with
-EINVAL which doesn't make much sense.
Resolve the problem by moving the check inside SER_RS485_ENABLED block.
Fixes: 7ecc77011c6f ("serial: 8250_fintek: Return -EINVAL on invalid configuration")
Cc: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/035c738-8ea5-8b17-b1d7-84a7b3aeaa51@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It was found that some MediaTek SoCs are incompatible with this
change. Also, this register was mistakenly understood as it was
related to the 16550A register layout selection but, at least
on some IPs, if not all, it's related to something else unknown.
This reverts commit 6f81fdded0d024c7d4084d434764f30bca1cd6b1.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Fixes: 6f81fdded0d0 ("serial: 8250_mtk: Make sure to select the right FEATURE_SEL")
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Link: https://lore.kernel.org/r/20220510122620.150342-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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__msm_console_write() assumes that interrupts are disabled, but
with threaded console printers it is possible that the write()
callback of the console is called with interrupts enabled.
Explicitly disable interrupts using local_irq_save() to preserve
the assumed context.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Link: https://lore.kernel.org/r/20220506213324.470461-1-john.ogness@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The uart_ops startup() callback is called without interrupts
disabled and without port->lock locked, relatively late during the
boot process (from the call path of console_on_rootfs()). If the
device is a console, it was already previously registered and could
be actively printing messages.
Since the startup() callback is reading/writing registers used by
the console write() callback (AML_UART_CONTROL), its access must
be synchronized using the port->lock. Currently it is not.
The startup() callback is the only function that explicitly enables
interrupts. Without the synchronization, it is possible that
interrupts become accidentally permanently disabled.
CPU0 CPU1
meson_serial_console_write meson_uart_startup
-------------------------- ------------------
spin_lock(port->lock)
val = readl(AML_UART_CONTROL)
uart_console_write()
writel(INT_EN, AML_UART_CONTROL)
writel(val, AML_UART_CONTROL)
spin_unlock(port->lock)
Add port->lock synchronization to meson_uart_startup() to avoid
racing with meson_serial_console_write().
Also add detailed comments to meson_uart_reset() explaining why it
is *not* using port->lock synchronization.
Link: https://lore.kernel.org/lkml/2a82eae7-a256-f70c-fd82-4e510750906e@samsung.com
Fixes: ff7693d079e5 ("ARM: meson: serial: add MesonX SoC on-chip uart driver")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Link: https://lore.kernel.org/r/20220508103547.626355-1-john.ogness@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Simplify the error path in ->probe() a bit by using dev_err_probe().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220509172129.37770-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Slightly simplify ->probe() and drop a few goto labels by using
devm_add_action_or_reset() for clock and reset cleanup.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220509172129.37770-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The of_irq.h and of_platform.h are not used by the driver. On the
other hand, the mod_devicetable.h missed. Drop the former two and
add the latter one.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220509161911.37164-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use B0 to check zero baudrate rather than literal 0.
While at it, remove extra parenthesis around CBAUD.
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220513082906.11096-6-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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if (termios->c_cflag & CRTSCTS) guarantees that CRTSCTS is not ever set
in the else block so clearing it is unnecessary.
While at it, remove also one pair of extra parenthesis.
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220513082906.11096-5-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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IBSHIFT is defined by all architectures since commit d0ffb805b729
("arch/alpha, termios: implement BOTHER, IBSHIFT and termios2").
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220513082906.11096-4-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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BOTHER is defined by all architectures since commit d0ffb805b729
("arch/alpha, termios: implement BOTHER, IBSHIFT and termios2").
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220513082906.11096-3-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CMSPAR is defined by all architectures since commit 6bf08cb246b5
("[PATCH] Add CMSPAR to termbits.h for powerpc and alpha").
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220513082906.11096-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Nothing in termbits seems to require anything from linux/posix_types.h.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220509093446.6677-4-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- Align c_cc defines.
- Remove extra newlines.
- Realign & adjust number of leading zeros.
- Reorder c_cflag defines to ascending order
- Make comment ending shorted (=remove period and one extra space from
the comments in mips).
Co-developed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220509093446.6677-3-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some defines are the same across all archs. Move the most obvious
intersection to termbits-common.h.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220509093446.6677-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We were restoring the IRQ masks then clearing them again, because
ucon_mask wasn't set properly. Adding that makes suspend/resume
work as intended.
Signed-off-by: Hector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20220502092505.30934-1-marcan@marcan.st
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Wire Oxford Semiconductor PCIe (Tornado) 950 description as a chapter
into the misc-devices document.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2205131727070.10656@angie.orcam.me.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reformat Oxford Semiconductor PCIe (Tornado) 950 description in terms of
reStructuredText markup, fixing warnings with `make htmldocs'. While at
it remove typos: s/the the/the/ and s/the/then/ in lines changed anyway.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2205131721110.10656@angie.orcam.me.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Documentation/tty has been moved to driver-api, which is not suitable
for user documentation, so move the Oxford Semiconductor PCIe (Tornado)
950 description to misc-devices instead.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2205131823430.10656@angie.orcam.me.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Don't report about the driver when loaded. It's unneeded and frowned
upon nowadays.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220519075653.31356-4-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove debug printouts upon function enter/exit. This can be achieved
better by tracing.
Remove also the one protected by DEBUG_HARD which is not defined anyway.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220519075653.31356-3-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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struct uart_pmac_port contains termios_cache. It is only written and
never read. Remove it as it only occupies space.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220519075653.31356-2-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The support for DBDMA was never completed. Remove the the code that only
maps spaces without real work.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220519075653.31356-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no point keeping the header content separated. In this case, it
is only an enum. So move the enum to the appropriate source file.
Cc: Russell King <linux@armlinux.org.uk>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220519075720.31402-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The module param debug for n_gsm uses KERN_INFO level, but the hexdump
now uses KERN_DEBUG level. This started after commit 091cb0994edd
("lib/hexdump: make print_hex_dump_bytes() a nop on !DEBUG builds").
We now use dynamic_hex_dump() unless DEBUG is set.
This causes no packets to be seen with modprobe n_gsm debug=0x1f unlike
earlier. Let's fix this by adding gsm_hex_dump_bytes() that calls
print_hex_dump() with KERN_INFO to match what n_gsm is doing with the
other debug related output.
Fixes: 091cb0994edd ("lib/hexdump: make print_hex_dump_bytes() a nop on !DEBUG builds")
Cc: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220512131506.1216-1-tony@atomide.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the tty fixes in here as well, as we need to revert one of them :(
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull driver core fixes from Greg KH:
"Here is one fix, and three documentation updates for 5.18-rc7.
The fix is for the firmware loader which resolves a long-reported
problem where the credentials of the firmware loader could be set to a
userspace process without enough permissions to actually load the
firmware image. Many Android vendors have been reporting this for
quite some time.
The documentation updates are for the embargoed-hardware-issues.rst
file to add a new entry, change an existing one, and sort the list to
make changes easier in the future.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Documentation/process: Update ARM contact for embargoed hardware issues
Documentation/process: Add embargoed HW contact for Ampere Computing
Documentation/process: Make groups alphabetical and use tabs consistently
firmware_loader: use kernel credentials when reading firmware
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Pull char/misc driver fixes from Greg KH:
"Here are two small driver fixes for 5.18-rc7 that resolve reported
problems:
- slimbus driver irq bugfix
- interconnect sync state bugfix
Both of these have been in linux-next with no reported problems"
* tag 'char-misc-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
slimbus: qcom: Fix IRQ check in qcom_slim_probe
interconnect: Restore sync state by ignoring ipa-virt in provider count
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Pull tty/serial driver fixes from Greg KH:
"Here are some small tty n_gsm and serial driver fixes for 5.18-rc7
that resolve reported problems. They include:
- n_gsm fixes for reported issues
- 8250_mtk driver fixes for some platforms
- fsl_lpuart driver fix for reported problem.
- digicolor driver fix for reported problem.
All have been in linux-next for a while with no reported problems"
* tag 'tty-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
fsl_lpuart: Don't enable interrupts too early
tty: n_gsm: fix invalid gsmtty_write_room() result
tty: n_gsm: fix mux activation issues in gsm_config()
tty: n_gsm: fix buffer over-read in gsm_dlci_data()
serial: 8250_mtk: Fix register address for XON/XOFF character
serial: 8250_mtk: Make sure to select the right FEATURE_SEL
serial: 8250_mtk: Fix UART_EFR register address
tty/serial: digicolor: fix possible null-ptr-deref in digicolor_uart_probe()
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Pull USB fixes from Greg KH:
"Here are some small fixes for reported issues with some USB drivers.
They include:
- xhci fixes for xhci-mtk platform driver
- typec driver fixes for reported problems.
- cdc-wdm read-stuck fix
- gadget driver fix for reported race condition
- new usb-serial driver ids
All of these have been in linux-next with no reported problems"
* tag 'usb-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: xhci-mtk: remove bandwidth budget table
usb: xhci-mtk: fix fs isoc's transfer error
usb: gadget: fix race when gadget driver register via ioctl
usb: typec: tcpci_mt6360: Update for BMC PHY setting
usb: gadget: uvc: allow for application to cleanly shutdown
usb: typec: tcpci: Don't skip cleanup in .remove() on error
usb: cdc-wdm: fix reading stuck on device close
USB: serial: qcserial: add support for Sierra Wireless EM7590
USB: serial: option: add Fibocom MA510 modem
USB: serial: option: add Fibocom L610 modem
USB: serial: pl2303: add device id for HP LM930 Display
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Pull powerpc fix from Michael Ellerman:
- Fix KVM PR on 32-bit, which was broken by some MMU code refactoring.
Thanks to: Alexander Graf, and Matt Evans.
* tag 'powerpc-5.18-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
KVM: PPC: Book3S PR: Enable MSR_DR for switch_mmu_context()
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Pull x86 fix from Thomas Gleixner:
"A single fix for the handling of unpopulated sub-pmd spaces.
The copy & pasta from the corresponding s390 code screwed up the
address calculation for marking the sub-pmd ranges via memset by
omitting the ALIGN_DOWN() to calculate the proper start address.
It's a mystery why this code is not generic and shared because there
is nothing architecture specific in there, but that's too intrusive
for a backportable fix"
* tag 'x86-urgent-2022-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Fix marking of unused sub-pmd ranges
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Pull scheduler fix from Thomas Gleixner:
"The recent expansion of the sched switch tracepoint inserted a new
argument in the middle of the arguments. This reordering broke BPF
programs which relied on the old argument list.
While tracepoints are not considered stable ABI, it's not trivial to
make BPF cope with such a change, but it's being worked on. For now
restore the original argument order and move the new argument to the
end of the argument list"
* tag 'sched-urgent-2022-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/tracing: Append prev_state to tp args instead
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Pull irq fix from Thomas Gleixner:
"A single fix for a recent (introduced in 5.16) regression in the core
interrupt code.
The consolidation of the interrupt handler invocation code added an
unconditional warning when generic_handle_domain_irq() is invoked from
outside hard interrupt context. That's overbroad as the requirement
for invoking these handlers in hard interrupt context is only required
for certain interrupt types. The subsequently called code already
contains a warning which triggers conditionally for interrupt chips
which indicate this requirement in their properties.
Remove the overbroad one"
* tag 'irq-urgent-2022-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Remove WARN_ON_ONCE() in generic_handle_domain_irq()
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Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix two NDEBUG warnings in 'perf bench numa'
- Fix ARM coresight `perf test` failure
- Sync linux/kvm.h with the kernel sources
- Add James and Mike as Arm64 performance events reviewers
* tag 'perf-tools-fixes-for-v5.18-2022-05-14' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
MAINTAINERS: Add James and Mike as Arm64 performance events reviewers
tools headers UAPI: Sync linux/kvm.h with the kernel sources
perf tests: Fix coresight `perf test` failure.
perf bench: Fix two numa NDEBUG warnings
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Pull more drm fixes from Dave Airlie:
"Turns out I was right, some fixes hadn't made it to me yet. The vmwgfx
ones also popped up later, but all seem like bad enough things to fix.
The dma-buf, vc4 and nouveau ones are all pretty small.
The fbdev fixes are a bit more complicated: a fix to cleanup fbdev
devices properly, uncovered some use-after-free bugs in existing
drivers. Then the fix for those bugs wasn't correct. This reverts that
fix, and puts the proper fixes in place in the drivers to avoid the
use-after-frees.
This has had a fair number of eyes on it at this stage, and I'm
confident enough that it puts things in the right place, and is less
dangerous than reverting our way out of the initial change at this
stage.
fbdev:
- revert NULL deref fix that turned into a use-after-free
- prevent use-after-free in fbdev
- efifb/simplefb/vesafb: fix cleanup paths to avoid use-after-frees
dma-buf:
- fix panic in stats setup
vc4:
- fix hdmi build
nouveau:
- tegra iommu present fix
- fix leak in backlight name
vmwgfx:
- Black screen due to fences using FIFO checks on SVGA3
- Random black screens on boot due to uninitialized drm_mode_fb_cmd2
- Hangs on SVGA3 due to command buffers being used with gbobjects"
* tag 'drm-fixes-2022-05-14' of git://anongit.freedesktop.org/drm/drm:
drm/vmwgfx: Disable command buffers on svga3 without gbobjects
drm/vmwgfx: Initialize drm_mode_fb_cmd2
drm/vmwgfx: Fix fencing on SVGAv3
drm/vc4: hdmi: Fix build error for implicit function declaration
dma-buf: call dma_buf_stats_setup after dmabuf is in valid list
fbdev: efifb: Fix a use-after-free due early fb_info cleanup
drm/nouveau: Fix a potential theorical leak in nouveau_get_backlight_name()
drm/nouveau/tegra: Stop using iommu_present()
fbdev: vesafb: Cleanup fb_info in .fb_destroy rather than .remove
fbdev: efifb: Cleanup fb_info in .fb_destroy rather than .remove
fbdev: simplefb: Cleanup fb_info in .fb_destroy rather than .remove
fbdev: Prevent possible use-after-free in fb_release()
Revert "fbdev: Make fb_release() return -ENODEV if fbdev was unregistered"
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Ilpo Järvinen
YueHaibing
Vijaya Krishna Nivarthi
Phil Edworthy
AngeloGioacchino Del Regno
John Ogness
Andy Shevchenko
Hector Martin
Maciej W. Rozycki
Jiri Slaby
Tony Lindgren
Greg Kroah-Hartman
Linus Torvalds