acrn_irqfds_mutex is not used, never was.
Remove acrn_irqfds_mutex.
Fixes: aa3b483ff1 ("virt: acrn: Introduce irqfd")
Cc: Fei Li <fei1.li@intel.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/YidLo57Kw/u/cpA5@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Usage of the iterator outside of the list_for_each_entry
is considered harmful. https://lkml.org/lkml/2022/2/17/1032
Do not reference the loop variable outside of the loop,
by rearranging the orders of execution.
Instead of performing search loop and checking outside the loop
if the end of the list was hit and no matching element was found,
the execution is performed inside the loop upon a successful match
followed by a goto statement to the next step,
therefore no condition has to be performed after the loop has ended.
Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20220308095926.300412-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
notification_bitmap may not be released when VMCI_CAPS_DMA_DATAGRAM
capability is missing from the device. Add missing
'err_free_notification_bitmap' label and use it instead of
'err_free_data_buffers' to avoid this.
Fixes: eed2298d93 ("VMCI: dma dg: detect DMA datagram capability")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Bryan Tan <bryantan@vmware.com>
Reviewed-by: Rajesh Jalisatgi <rjalisatgi@vmware.com>
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220318060040.31621-1-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
free_irq() may be called to free an interrupt that was not
allocated. Add missing 'if' statement to check for
exclusive_vectors when freeing interrupt 1.
Fixes: cc68f2177f ("VMCI: dma dg: register dummy IRQ handlers for DMA datagrams")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Bryan Tan <bryantan@vmware.com>
Reviewed-by: Rajesh Jalisatgi <rjalisatgi@vmware.com>
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220318055843.30606-1-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Eliminate anonymous module_init() and module_exit(), which can lead to
confusion or ambiguity when reading System.map, crashes/oops/bugs,
or an initcall_debug log.
Give each of these init and exit functions unique driver-specific
names to eliminate the anonymous names.
Example 1: (System.map)
ffffffff832fc78c t init
ffffffff832fc79e t init
ffffffff832fc8f8 t init
Example 2: (initcall_debug log)
calling init+0x0/0x12 @ 1
initcall init+0x0/0x12 returned 0 after 15 usecs
calling init+0x0/0x60 @ 1
initcall init+0x0/0x60 returned 0 after 2 usecs
calling init+0x0/0x9a @ 1
initcall init+0x0/0x9a returned 0 after 74 usecs
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Amit Shah <amit@kernel.org>
Cc: virtualization@lists.linux-foundation.org
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20220316192010.19001-3-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
psetauthparm and precvpriv->pallocated_recv_buf are allocated by kzalloc().
It is unnecessary to call memset again.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20220318092459.519225-1-wanjiabing@vivo.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce newer .apply function in pwm_ops to replace legacy operations
including enable, disable, config and set_polarity.
This guarantees atomic changes of the pwm controller configuration.
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Song Chen <chensong_2000@189.cn>
Link: https://lore.kernel.org/r/1647597432-27586-1-git-send-email-chensong_2000@189.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes unwanted use of dev_info for ftrace-like functionality
as suggested by checkpatch.pl.
Signed-off-by: Charlie Sands <sandsch@northvilleschools.net>
Link: https://lore.kernel.org/r/YjKimAdiRfRVfGl8@sckzor-linux.localdomain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix CamelCase names defined in ddk750_dvi.c and ddk750_dvi.h, as
reported by checkpatch.pl. Remove name suffixes such as pfn_ and g_.
Signed-off-by: Nam Cao <cvn249@gmail.com>
Link: https://lore.kernel.org/r/20220316224940.70107-1-cvn249@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the fbtft_init_display() the init sequence is printed for
the debug purposes. Unfortunately the current code doesn't take
into account that values in the buffer are of the s16 type.
Consider that and replace the printing code with fbtft_par_dbg_hex()
call.
Fixes: b888897014 ("staging/fbtft: Remove all strcpy() uses")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220316165351.58107-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It's obvious that we don't and shouldn't modify buffer that
is about to be dumped. Constify parameter in fbtft_dbg_hex()
to make it clear.
Fixes: c296d5f995 ("staging: fbtft: core support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220316165351.58107-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
bulk_scratch is not used anywhere and the original allocation of it
does not have proper check.
Deleting it directly seems to be a good choice.
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Link: https://lore.kernel.org/r/tencent_F721901366AB5C720E008AF7F02DA5D3FF07@qq.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When 8250 UART is using DMA, x_char (XON/XOFF) is never sent
to the wire. After this change, x_char is injected correctly.
Create uart_xchar_out() helper for sending the x_char out and
accounting related to it. It seems that almost every driver
does these same steps with x_char. Except for 8250, however,
almost all currently lack .serial_out so they cannot immediately
take advantage of this new helper.
The downside of this patch is that it might reintroduce
the problems some devices faced with mixed DMA/non-DMA transfer
which caused revert f967fc8f16 (Revert "serial: 8250_dma:
don't bother DMA with small transfers"). However, the impact
should be limited to cases with XON/XOFF (that didn't work
with DMA capable devices to begin with so this problem is not
very likely to cause a major issue, if any at all).
Fixes: 9ee4b83e51 ("serial: 8250: Add support for dmaengine")
Reported-by: Gilles Buloz <gilles.buloz@kontron.com>
Tested-by: Gilles Buloz <gilles.buloz@kontron.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220314091432.4288-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for the UART block on the ARTPEC-8 SoC. This is closely
related to the variants used on the Exynos chips. The register layout
is identical to Exynos850 et al but the fifo size is different (64 bytes
in each direction for all instances).
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Link: https://lore.kernel.org/r/20220311094515.3223023-3-vincent.whitchurch@axis.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a compatible for the UART on the ARTPEC-8 SoC. This hardware block
is closely related to the variants used on the Exynos chips. The
register layout is identical to Exynos850 et al but the fifo size is
different (64 bytes in each direction for all instances).
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Link: https://lore.kernel.org/r/20220311094515.3223023-2-vincent.whitchurch@axis.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We tested RS485 function on an EVB which has SC16IS752, after
finishing the test, we started the RS232 function test, but found the
RTS is still working in the RS485 mode.
That is because both startup and shutdown call port_update() to set
the EFCR_REG, this will not clear the RS485 bits once the bits are set
in the reconf_rs485(). To fix it, clear the RS485 bits in shutdown.
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Link: https://lore.kernel.org/r/20220308110042.108451-1-hui.wang@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Simplify the code with of_device_get_match_data() and use dev_of_node()
to remove ifdef-erry.
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308080919.152715-9-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Constify variables, data pointed by several pointers and
"udivslot_table" static array. This makes code a bit safer.
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308080919.152715-8-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver data (struct s3c24xx_serial_drv_data) is never modified, so
also its members can be made const. Except code style this has no
impact because the structure itself is always a const.
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308080919.152715-7-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The UART name from driver data holds only string literals.
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308080919.152715-6-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver data (struct s3c24xx_serial_drv_data) is only used to
initialize the driver properly and is not modified. Make it const.
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308080919.152715-5-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The pointers to instances of "struct s3c24xx_serial_drv_data" are first
cast to kernel_ulong_t and then either used directly
(in "platform_device_id.driver_data") or cast again to void * (in
"of_device_id.data").
One cast can be dropped, so at least for "of_device_id.data" case there
will be no casts at all. This makes the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308080919.152715-4-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Embed "struct s3c2410_uartcfg" directly as a member of "struct
s3c24xx_serial_drv_data" instead of keeping it as a pointer. This makes
the code clearer (obvious ownership of "s3c2410_uartcfg
s3c24xx_serial_drv_data") and saves one pointer.
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308080919.152715-3-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Embed "struct s3c24xx_uart_info" directly as a member of "struct
s3c24xx_serial_drv_data" instead of keeping it as a pointer. This makes
the code clearer (obvious ownership of "struct s3c24xx_serial_drv_data")
and saves one pointer.
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308080919.152715-2-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver's acpi_device_id table is referenced via ACPI_PTR() so it
will be unused for !CONFIG_ACPI builds:
drivers/tty/serial/8250/8250_tegra.c:178:36:
warning: ‘tegra_uart_acpi_match’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220308074157.113568-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sunplus serial ports are only present on Sunplus SoCs. Hence add a
dependency on ARCH_SUNPLUS, to prevent asking the user about this driver
when configuring a kernel without Sunplus SoC support.
Fixes: 9e8d547032 ("serial: sunplus-uart: Add Sunplus SoC UART Driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/59f46272ab5b16853acac4d585c3333cfd394223.1647352195.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Variable linestatus is being assigned values that are never read, the
assignments are redundant and can be removed.
Cleans up clang scan warnings:
drivers/tty/serial/jsm/jsm_cls.c:369:2: warning: Value stored to
'linestatus' is never read [deadcode.DeadStores]
drivers/tty/serial/jsm/jsm_cls.c:400:4: warning: Value stored to
'linestatus' is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20220307153047.139639-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Don't populate the read-only arrays fraction_L_mapping and
fraction_M_mapping on the stack but instead make them static
const. Also makes the object code a little smaller.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20220307230055.168241-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The commit c15c3747ee (serial: samsung: fix potential soft lockup
during uart write) added an unlock of port->lock before
uart_write_wakeup() and a lock after it. It was always problematic to
write data from tty_ldisc_ops::write_wakeup and it was even documented
that way. We fixed the line disciplines to conform to this recently.
So if there is still a missed one, we should fix them instead of this
workaround.
On the top of that, s3c24xx_serial_tx_dma_complete() in this driver
still holds the port->lock while calling uart_write_wakeup().
So revert the wrap added by the commit above.
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Hyeonkook Kim <hk619.kim@samsung.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220308115153.4225-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It's only a wrapper to struct uart_port, so unwrap the whole code.
No change in functionality is intended.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220307054348.31748-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
__setup() handlers should return 1 to obsolete_checksetup() in
init/main.c to indicate that the boot option has been handled.
A return of 0 causes the boot option/value to be listed as an Unknown
kernel parameter and added to init's (limited) environment strings.
So return 1 from kgdboc_option_setup().
Unknown kernel command line parameters "BOOT_IMAGE=/boot/bzImage-517rc7
kgdboc=kbd kgdbts=", will be passed to user space.
Run /sbin/init as init process
with arguments:
/sbin/init
with environment:
HOME=/
TERM=linux
BOOT_IMAGE=/boot/bzImage-517rc7
kgdboc=kbd
kgdbts=
Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru
Fixes: 1bd54d851f ("kgdboc: Passing ekgdboc to command line causes panic")
Fixes: f2d937f3bf ("consoles: polling support, kgdboc")
Cc: He Zhe <zhe.he@windriver.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: kgdb-bugreport@lists.sourceforge.net
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: linux-serial@vger.kernel.org
Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20220309033018.17936-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
__setup() handlers should return 1 to indicate that the boot option
has been handled or 0 to indicate that it was not handled.
Add a pr_warn() message if the option value is invalid and then
always return 1.
Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru
Fixes: 86b40567b9 ("tty: replace strict_strtoul() with kstrtoul()")
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Julian Wiedmann <jwi@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20220308024228.20477-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It is recommended by the Synopsis databook to issue a DCTL.CSftReset
when reconnecting from a device-initiated disconnect routine. This
resolves issues with enumeration during fast composition switching
cases, which result in an unknown device on the host.
Reviewed-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20220316011358.3057-1-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The kernel test robot found a problem with the ene_ub6250 subdriver in
usb-storage: It uses structures containing bitfields to represent
hardware bits in its SD_STATUS, MS_STATUS, and SM_STATUS bytes. This
is not safe; it presumes a particular bit ordering and it assumes the
compiler will not insert padding, neither of which is guaranteed.
This patch fixes the problem by changing the structures to simple u8
values, with the bitfields replaced by bitmask constants.
CC: <stable@vger.kernel.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/YjOcbuU106UpJ/V8@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Eliminate anonymous module_init() and module_exit(), which can lead to
confusion or ambiguity when reading System.map, crashes/oops/bugs,
or an initcall_debug log.
Give each of these init and exit functions unique driver-specific
names to eliminate the anonymous names.
Example 1: (System.map)
ffffffff832fc78c t init
ffffffff832fc79e t init
ffffffff832fc8f8 t init
Example 2: (initcall_debug log)
calling init+0x0/0x12 @ 1
initcall init+0x0/0x12 returned 0 after 15 usecs
calling init+0x0/0x60 @ 1
initcall init+0x0/0x60 returned 0 after 2 usecs
calling init+0x0/0x9a @ 1
initcall init+0x0/0x9a returned 0 after 74 usecs
Fixes: bd25a14edb ("usb: gadget: legacy/serial: allow dynamic removal")
Fixes: 7bb5ea54be ("usb gadget serial: use composite gadget framework")
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-usb@vger.kernel.org
Link: https://lore.kernel.org/r/20220316192010.19001-7-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Eliminate anonymous module_init() and module_exit(), which can lead to
confusion or ambiguity when reading System.map, crashes/oops/bugs,
or an initcall_debug log.
Give each of these init and exit functions unique driver-specific
names to eliminate the anonymous names.
Example 1: (System.map)
ffffffff832fc78c t init
ffffffff832fc79e t init
ffffffff832fc8f8 t init
Example 2: (initcall_debug log)
calling init+0x0/0x12 @ 1
initcall init+0x0/0x12 returned 0 after 15 usecs
calling init+0x0/0x60 @ 1
initcall init+0x0/0x60 returned 0 after 2 usecs
calling init+0x0/0x9a @ 1
initcall init+0x0/0x9a returned 0 after 74 usecs
Fixes: 80fd9cd52d ("usbip: vudc: Add VUDC main file")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Krzysztof Opasiak <k.opasiak@samsung.com>
Cc: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Cc: Valentina Manea <valentina.manea.m@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Link: https://lore.kernel.org/r/20220316192010.19001-8-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The coresight update for v5.18 includes
- TRBE erratum workarounds for Arm Cortex-A510
- Fixes for leaking root namespace PIDs into non-root namespace
trace sessions
- Miscellaneous fixes and cleanups
Updated tag to reflect missing committer s-o-b tags.
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes:
coresight: changes for v5.18
The coresight update for v5.18 includes
- TRBE erratum workarounds for Arm Cortex-A510
- Fixes for leaking root namespace PIDs into non-root namespace
trace sessions
- Miscellaneous fixes and cleanups
Updated tag to reflect missing committer s-o-b tags.
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
* tag 'coresight-next-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux:
coresight: Drop unused 'none' enum value for each component
coresight: etm3x: Don't trace PID for non-root PID namespace
coresight: etm4x: Don't trace PID for non-root PID namespace
coresight: etm4x: Don't use virtual contextID for non-root PID namespace
coresight: etm4x: Add lock for reading virtual context ID comparator
coresight: trbe: Move check for kernel page table isolation from EL0 to probe
coresight: no-op refactor to make INSTP0 check more idiomatic
hwtracing: coresight: Replace acpi_bus_get_device()
coresight: syscfg: Fix memleak on registration failure in cscfg_create_device
coresight: Fix TRCCONFIGR.QE sysfs interface
coresight: trbe: Work around the trace data corruption
coresight: trbe: Work around the invalid prohibited states
coresight: trbe: Work around the ignored system register writes
This cycle we had quite a few series that applied similar changes
to lots of drivers. To keep this description manageable I have
called those out in their own section rather than per driver.
Particularly pleased to see the long running AFE precision series
going in this cycle.
Series includes some late breaking fixes.
New device support
* adi,ada4250 amplifier
- New driver and dt bindings for this programmable gain amplifier.
* adi,admv1014 microwave down-converter
- New driver, dt bindings and some device specific ABI that
may be generalized as more drivers for devices similar to this
are added.
* adi,admv4420 K Band down-converter.
- New driver and dt bindings.
* adi,adxl367 accelerometer driver.
- New driver, dt-bindings + some new IIO ABI definitions to support
reference magnitude events where an estimate of the acceleration
due to gravity has been removed.
- A few fixes as follow up patches.
* adi,ltc2688 DAC with toggle and dither modes.
- New driver and bindings. Includes some new driver specific (for now)
ABI for handling toggle mode and the addition of a dither waveform to
the DAC output.
* AFE (analog front end) add support for additional types of analog device
in front of an ADC.
- RTD temperature sensors with dt bindings.
- Temperature transducers wit dt bindings.
- Related cleanup and features listed in other sections below.
* maxim,ds3502 potentiometer.
- Add support to ds1803 driver which required significant rework.
* mediatek,mt2701-auxadc driver
- Add mediatek,mt8186-auxadc - id table and chip specific info only.
* semtech,sx9324, semtech,ax9360
- Substantial refactoring of sx9310 to extract core logic for reuse
into a separate module
- New driver using this supporting sx9324 proximity sensors.
- New driver using this supporting sx9360 proximity sensors.
* silan,sc7a20
- Compatible with the st,lis2dh (or nearly anyway) so add ID and
chip specific info to enable support. Also silan vendor ID added
for dt-bindings.
Staging graduation
* adi,ad7280a monitoring ADC for stacked lithium-ion batteries in
electric cars and similar.
- Substantial rework of driver required to bring inline with current
IIO best practice. An unusual device in IIO so some interesting features
we may see more of in future.
Multiple driver/core cleanup
- Use sysfs_emit() in simple locations where there is no path to change
to various core created attributes.
- Trivial white space fixes around inconsistency between space after { and
before } in id tables.
- Introduce new handling for fractional types to avoid repeated similar
implementations. Use this in 3 drivers. Note this is also targeted
at future use in the AFE driver and was motivated by discussions
around the precision related work on that driver.
- of related header cleanups - drop of*.h and add mod_devicetable.h as
appropriate.
- Move a number of symbol exports into IIO_* namespaces. Two categories,
1) Library used by multiple drivers e.g. st_sensors
2) Core driver module exporting functions used by bus specific modules.
A few related cleanups in this set.
- Switch from CONFIG_PM_* guards to new DEFINE_SIMPLE_DEV_PM_OPS() and
similar to simplify drivers and take advantage of these new macros
allowing the compiler to do the job or removing unused code without
the need for __maybe_unused markings. Conversion of other drivers to
these new macros ongoing.
Features
* adi,adf4350
- Switch from of specific to generic device properties enabling use with
other firmware types.
* adi,adx345
- Switch from of specific to generic device properties.
- Add ACPI ID ADS0345
- Related driver cleanup.
* adi,hmc425a
- Switch from of specific to generic device properties.
* afe analog rescaler driver
- Wider range of types supported for scale.
- Support offset.
- Kunit tests.
* atlas,ezo-sensor
- Convert from of to device properties.
* fsl,mma8452
- Support mount matrix.
* infineon,dps310:
- Add ACPI ID IFX3100.
* invensense,mpu6050
- Convert to generic device properties.
* maxim,ds1803
- Add out_raw_available before supporting more devices.
- Convert from of specific to device properties.
* samsung,ssp_sensors
- Convert from of specific to device properties.
* st,stm32-timer trigger
- Convert from of specific to device properties.
* ti,hdc101x
- Add ACPI ID TXNW1010.
* ti,tsc2046:
- Add read_raw support to enable use of iio_hwmon and similar.
Fixes / cleanup.
* mailmap
- Update for Cai Huoqing
* MAINTAINERS
- Fix Analog Devices related links.
- Add entry for ADRF6780
- Add entry for ADMV1013
- Add entry for AD7293
- Add entry for ADMV8818
- Update files listed for adis-lib
* iio core:
- Fix wrong comment about current_mode being something a driver should
ever access.
- Use struct_size() rather than open coding in industrialio-hw-consumer
* adi,axl355
- Use units.h definitions instead of local versions.
* adi,adis-lib
- Simplify *updated_bits() macro
- Whitespace cleanup.
* afe - Note many of these fixes only apply to particular configurations
so the problems have probably not been seen in the wild, but will be
visible with new usecases enabled this cycle.
- Fix application of consumer scale for IIO_VAL_INT.
- Apply a scale of 1 when no scale is provided.
- Make best effort to establish a valid offset value for fractional
cases.
- Use s64 for scale calculations where parameters may be signed.
- Tidy up include order.
- Improve accuracy for small fractional sales
- Reduce risk of integer overflow.
* ams,as3935
- Use devm_delayed_work_autocancel() to replace open coded equivalent.
* aspeed,adc
- Fix wrong use of divider flag.
* atmel,sama5d2-adc
- Relax atmel,trigger-edge-type to optional.
- Drop Ludovic Desroches from listed maintainers of the dt-binding
inline with previous MAINTAINERS entry update.
* fsl,mma8452
- Fix probing when i2c_device_id used.
- dev_get_drvdata() on the iio_dev->dev, no longer returns iio_dev.
Use dev_to_iio_dev() instead. Note the original path in here
worked more by luck than design.
* invensense,mpu6050
- Drop ACPI_PTR() protection to avoid an unused warning.
- Use fact ACPI_COMPANION() returns null when ACPI_HANDLE() does to
simplify handling.
* motorola,cpcap-adc
- Drop unused assignment.
* qcom,spmi-adc
- Fix wrong example of 'reg' in binding document.
* renesas,rzg2l-adc
- Trivial typo fix.
* semtech,sx9360
- Fix wrong register handling for event generation.
* st_sensors
- Allow manual disabling of I2C or SPI module if not needed for a particular
board. Default is still to enable the bus specific module if
appropriate bus is supported.
* st,lsm6dsx
- dev_get_drvdata() on the iio_dev->dev, no longer returns iio_dev.
Use dev_to_iio_dev() instead.
* ti,palmas-gpadc
- Split the interrupt fields in the dt-binding example
* ti,tsc2046
- Rework state machine to improve readability after recent debugging of
an issue fixed elsewhere.
- Add a sanity check to avoid very large memory allocations if a crazy
delay is specified.
* ti,twl6030
- Add error handling if devm_request_threaded_irq() fails.
* xilinx,ams
- Use devm_delayed_work_autocancel() instead of open coding equivalent.
- Fix missing required clock entry in dt-binding.
- Fix miss counting of channels resulting in ps channels not
being enabled.
- Fix incorrect values written to sequencer registers.
- Fix sequence for single channel reading.
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Merge tag 'iio-for-5.18a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
First set of new device support, fixes, cleanups and features for IIO in 5.18
This cycle we had quite a few series that applied similar changes
to lots of drivers. To keep this description manageable I have
called those out in their own section rather than per driver.
Particularly pleased to see the long running AFE precision series
going in this cycle.
Series includes some late breaking fixes.
New device support
* adi,ada4250 amplifier
- New driver and dt bindings for this programmable gain amplifier.
* adi,admv1014 microwave down-converter
- New driver, dt bindings and some device specific ABI that
may be generalized as more drivers for devices similar to this
are added.
* adi,admv4420 K Band down-converter.
- New driver and dt bindings.
* adi,adxl367 accelerometer driver.
- New driver, dt-bindings + some new IIO ABI definitions to support
reference magnitude events where an estimate of the acceleration
due to gravity has been removed.
- A few fixes as follow up patches.
* adi,ltc2688 DAC with toggle and dither modes.
- New driver and bindings. Includes some new driver specific (for now)
ABI for handling toggle mode and the addition of a dither waveform to
the DAC output.
* AFE (analog front end) add support for additional types of analog device
in front of an ADC.
- RTD temperature sensors with dt bindings.
- Temperature transducers wit dt bindings.
- Related cleanup and features listed in other sections below.
* maxim,ds3502 potentiometer.
- Add support to ds1803 driver which required significant rework.
* mediatek,mt2701-auxadc driver
- Add mediatek,mt8186-auxadc - id table and chip specific info only.
* semtech,sx9324, semtech,ax9360
- Substantial refactoring of sx9310 to extract core logic for reuse
into a separate module
- New driver using this supporting sx9324 proximity sensors.
- New driver using this supporting sx9360 proximity sensors.
* silan,sc7a20
- Compatible with the st,lis2dh (or nearly anyway) so add ID and
chip specific info to enable support. Also silan vendor ID added
for dt-bindings.
Staging graduation
* adi,ad7280a monitoring ADC for stacked lithium-ion batteries in
electric cars and similar.
- Substantial rework of driver required to bring inline with current
IIO best practice. An unusual device in IIO so some interesting features
we may see more of in future.
Multiple driver/core cleanup
- Use sysfs_emit() in simple locations where there is no path to change
to various core created attributes.
- Trivial white space fixes around inconsistency between space after { and
before } in id tables.
- Introduce new handling for fractional types to avoid repeated similar
implementations. Use this in 3 drivers. Note this is also targeted
at future use in the AFE driver and was motivated by discussions
around the precision related work on that driver.
- of related header cleanups - drop of*.h and add mod_devicetable.h as
appropriate.
- Move a number of symbol exports into IIO_* namespaces. Two categories,
1) Library used by multiple drivers e.g. st_sensors
2) Core driver module exporting functions used by bus specific modules.
A few related cleanups in this set.
- Switch from CONFIG_PM_* guards to new DEFINE_SIMPLE_DEV_PM_OPS() and
similar to simplify drivers and take advantage of these new macros
allowing the compiler to do the job or removing unused code without
the need for __maybe_unused markings. Conversion of other drivers to
these new macros ongoing.
Features
* adi,adf4350
- Switch from of specific to generic device properties enabling use with
other firmware types.
* adi,adx345
- Switch from of specific to generic device properties.
- Add ACPI ID ADS0345
- Related driver cleanup.
* adi,hmc425a
- Switch from of specific to generic device properties.
* afe analog rescaler driver
- Wider range of types supported for scale.
- Support offset.
- Kunit tests.
* atlas,ezo-sensor
- Convert from of to device properties.
* fsl,mma8452
- Support mount matrix.
* infineon,dps310:
- Add ACPI ID IFX3100.
* invensense,mpu6050
- Convert to generic device properties.
* maxim,ds1803
- Add out_raw_available before supporting more devices.
- Convert from of specific to device properties.
* samsung,ssp_sensors
- Convert from of specific to device properties.
* st,stm32-timer trigger
- Convert from of specific to device properties.
* ti,hdc101x
- Add ACPI ID TXNW1010.
* ti,tsc2046:
- Add read_raw support to enable use of iio_hwmon and similar.
Fixes / cleanup.
* mailmap
- Update for Cai Huoqing
* MAINTAINERS
- Fix Analog Devices related links.
- Add entry for ADRF6780
- Add entry for ADMV1013
- Add entry for AD7293
- Add entry for ADMV8818
- Update files listed for adis-lib
* iio core:
- Fix wrong comment about current_mode being something a driver should
ever access.
- Use struct_size() rather than open coding in industrialio-hw-consumer
* adi,axl355
- Use units.h definitions instead of local versions.
* adi,adis-lib
- Simplify *updated_bits() macro
- Whitespace cleanup.
* afe - Note many of these fixes only apply to particular configurations
so the problems have probably not been seen in the wild, but will be
visible with new usecases enabled this cycle.
- Fix application of consumer scale for IIO_VAL_INT.
- Apply a scale of 1 when no scale is provided.
- Make best effort to establish a valid offset value for fractional
cases.
- Use s64 for scale calculations where parameters may be signed.
- Tidy up include order.
- Improve accuracy for small fractional sales
- Reduce risk of integer overflow.
* ams,as3935
- Use devm_delayed_work_autocancel() to replace open coded equivalent.
* aspeed,adc
- Fix wrong use of divider flag.
* atmel,sama5d2-adc
- Relax atmel,trigger-edge-type to optional.
- Drop Ludovic Desroches from listed maintainers of the dt-binding
inline with previous MAINTAINERS entry update.
* fsl,mma8452
- Fix probing when i2c_device_id used.
- dev_get_drvdata() on the iio_dev->dev, no longer returns iio_dev.
Use dev_to_iio_dev() instead. Note the original path in here
worked more by luck than design.
* invensense,mpu6050
- Drop ACPI_PTR() protection to avoid an unused warning.
- Use fact ACPI_COMPANION() returns null when ACPI_HANDLE() does to
simplify handling.
* motorola,cpcap-adc
- Drop unused assignment.
* qcom,spmi-adc
- Fix wrong example of 'reg' in binding document.
* renesas,rzg2l-adc
- Trivial typo fix.
* semtech,sx9360
- Fix wrong register handling for event generation.
* st_sensors
- Allow manual disabling of I2C or SPI module if not needed for a particular
board. Default is still to enable the bus specific module if
appropriate bus is supported.
* st,lsm6dsx
- dev_get_drvdata() on the iio_dev->dev, no longer returns iio_dev.
Use dev_to_iio_dev() instead.
* ti,palmas-gpadc
- Split the interrupt fields in the dt-binding example
* ti,tsc2046
- Rework state machine to improve readability after recent debugging of
an issue fixed elsewhere.
- Add a sanity check to avoid very large memory allocations if a crazy
delay is specified.
* ti,twl6030
- Add error handling if devm_request_threaded_irq() fails.
* xilinx,ams
- Use devm_delayed_work_autocancel() instead of open coding equivalent.
- Fix missing required clock entry in dt-binding.
- Fix miss counting of channels resulting in ps channels not
being enabled.
- Fix incorrect values written to sequencer registers.
- Fix sequence for single channel reading.
* tag 'iio-for-5.18a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (245 commits)
iio: adc: xilinx-ams: Fix single channel switching sequence
iio: adc: xilinx-ams: Fixed wrong sequencer register settings
iio: adc: xilinx-ams: Fixed missing PS channels
dt-bindings: iio: adc: zynqmp_ams: Add clock entry
iio: accel: mma8452: use the correct logic to get mma8452_data
iio: adc: aspeed: Add divider flag to fix incorrect voltage reading.
iio: imu: st_lsm6dsx: use dev_to_iio_dev() to get iio_dev struct
dt-bindings: iio: Add ltc2688 documentation
iio: ABI: add ABI file for the LTC2688 DAC
iio: dac: add support for ltc2688
dt-bindings: iio: afe: add bindings for temperature transducers
dt-bindings: iio: afe: add bindings for temperature-sense-rtd
iio: afe: rescale: add temperature transducers
iio: afe: rescale: add RTD temperature sensor support
iio: test: add basic tests for the iio-rescale driver
iio: afe: rescale: reduce risk of integer overflow
iio: afe: rescale: fix accuracy for small fractional scales
iio: afe: rescale: add offset support
iio: afe: rescale: add INT_PLUS_{MICRO,NANO} support
iio: afe: rescale: expose scale processing function
...
Implementation of certificate authentication feature for Lenovo
platforms. This allows for signed updates of BIOS settings.
Functionality supported:
- Cert support available check. At initialisation check if BIOS
supports certification authentication and if a certificate is
installed. Enable the sysfs nodes appropriately
- certificate and signature authentication attributes to enable
a user to install, update and delete a certificate using signed
signatures
- certificate_thumbprint to confirm installed certificate details
- support to go from certificate to password based authentication
- signature and save_signature attributes needed for setting BIOS
attributes using certificate authentication.
Tested on X1 Carbon G10 and X1 Yoga G7. This feature is not
generally available yet but will be released later this year.
Note, I also cleaned up the formating of the GUIDs when I was adding
the new defines. Hope that's OK to combine in this commit.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20220317214008.3459-2-markpearson@lenovo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Again new complaints surfaced that we had broken the ABI here,
although previously all the userspace tools had agreed that it
was their mistake and fixed it. Yet now there are cases (e.g.
RHEL) that want to run old userspace with newer kernels, and
thus are broken.
Since this is a bit of a whack-a-mole thing, change the whole
extensibility scheme of rfkill to no longer just rely on the
message lengths, but instead require userspace to opt in via a
new ioctl to a given maximum event size that it is willing to
understand.
By default, set that to RFKILL_EVENT_SIZE_V1 (8), so that the
behaviour for userspace not calling the ioctl will look as if
it's just running on an older kernel.
Fixes: 14486c8261 ("rfkill: add a reason to the HW rfkill state")
Cc: stable@vger.kernel.org # 5.11+
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220316212749.16491491b270.Ifcb1950998330a596f29a2a162e00b7546a1d6d0@changeid
Certificate based authentication is available as an alternative to
password based authentication.
The WMI commands are cryptographically signed using a separate
signing server and will be verified by the BIOS before being
accepted.
This commit details the fields that are needed to support that
implementation. At present the changes are intended for Lenovo
platforms, but have been designed to keep them as flexible as possible
for future implementations from other vendors.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20220317214008.3459-1-markpearson@lenovo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Currently if STB is disabled but an earlier function reported an
error an incorrect error will be emitted about failing to write to
STB.
Correct this logic error by only showing errors when STB is enabled.
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20220317190301.6818-1-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Simplify code by moving common part to one function.
Signed-off-by: Jan Dabros <jsd@semihalf.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
