Instead use devm_regulator_get_optional since the regulator
is optional and check for errors.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The driver currently reports successful initialization on every failure
as long as it's able to power off the regulator. Don't check the return
value of regulator_disable to avoid that.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
This gives a way better idea what is going on.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Use devm_led_classdev_register_ext() to pass the fwnode to the LED core.
The fwnode can then be used by the firmware core to create meaningful
names.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Use the managed API of the LED class (devm_led_classdev_register()
instead of led_classdev_register()).
This allows us to remove the code used to track-and-destroy the LED devices.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Simplify this function implementation by using a known wrapper function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Simplify this function implementation by using a known wrapper function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The driver currently ignores errors from register writes at probe time.
It will hence register an LED class device no matter whether the
pyhsical device is present or not.
To fix this, make the device probe fail in case regmap operations
return an error.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
This patch adds a LED class driver for the LEDs found on
the Crane Merchandising System EL15203000 LEDs board
(aka RED LEDs board).
Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Add documentation and example for dt-bindings EL15203000.
LED board (aka RED LED board) from Crane Merchandising Systems.
Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The USB sub-maintainers woke up this past week and sent a bunch of tiny
fixes. Here are a lot of small patches that that resolve a bunch of
reported issues in the USB core, drivers, serial drivers, gadget
drivers, and of course, xhci :)
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"The USB sub-maintainers woke up this past week and sent a bunch of
tiny fixes. Here are a lot of small patches that that resolve a bunch
of reported issues in the USB core, drivers, serial drivers, gadget
drivers, and of course, xhci :)
All of these have been in linux-next with no reported issues"
* tag 'usb-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (31 commits)
usb: dwc3: gadget: fix race when disabling ep with cancelled xfers
usb: cdns3: gadget: Fix g_audio use case when connected to Super-Speed host
usb: cdns3: gadget: reset EP_CLAIMED flag while unloading
USB: serial: whiteheat: fix line-speed endianness
USB: serial: whiteheat: fix potential slab corruption
USB: gadget: Reject endpoints with 0 maxpacket value
UAS: Revert commit 3ae62a4209 ("UAS: fix alignment of scatter/gather segments")
usb-storage: Revert commit 747668dbc0 ("usb-storage: Set virt_boundary_mask to avoid SG overflows")
usbip: Fix free of unallocated memory in vhci tx
usbip: tools: Fix read_usb_vudc_device() error path handling
usb: xhci: fix __le32/__le64 accessors in debugfs code
usb: xhci: fix Immediate Data Transfer endianness
xhci: Fix use-after-free regression in xhci clear hub TT implementation
USB: ldusb: fix control-message timeout
USB: ldusb: use unsigned size format specifiers
USB: ldusb: fix ring-buffer locking
USB: Skip endpoints with 0 maxpacket length
usb: cdns3: gadget: Don't manage pullups
usb: dwc3: remove the call trace of USBx_GFLADJ
usb: gadget: configfs: fix concurrent issue between composite APIs
...
Currently, block device size in not updated on second and further open
for block devices where partition scan is disabled. This is particularly
annoying for example for DVD drives as that means block device size does
not get updated once the media is inserted into a drive if the device is
already open when inserting the media. This is actually always the case
for example when pktcdvd is in use.
Fix the problem by revalidating block device size on every open even for
devices with partition scan disabled.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Factor out code handling revalidation of bdev on disk change into a
common helper.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
No one checks the return value of debugfs_create_atomic_t(), as it's not
needed, so make the return value void, so that no one tries to do so in
the future.
Link: https://lore.kernel.org/r/20191016130332.GA28240@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The current code is a no-op, because all it can do is 'dev_kfree_skb(NULL)'
Remove the test before 'dev_kfree_skb()'
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20191102155945.20205-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Operators inside a multiline logical expression should be at the end
of the line not at the beginning. This patch fixes two of those cases
and remove an unnecessary parenthesis too, to comply in that way with
the preferred coding style for the linux kernel.
Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Link: https://lore.kernel.org/r/ace2cbd5e4c03751fb522e7bbd60149e7ed969ae.1572666556.git.frank@generalsoftwareinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix alignment to match open parenthesis to comply in that way with
the preferred coding style for the linux kernel. Issue found by
checkpatch.
Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Link: https://lore.kernel.org/r/fe316e694ea9c4aa370d3a8166a3680feb342682.1572666556.git.frank@generalsoftwareinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some properties were parsed from the device tree and then ignored by the
driver. Some would return an error if absent from the device tree, then
return an error if they were found because they are unsupported by the
driver.
Avoid parsing unused properties and clearly explain in the documentation
the ignored / unsupported properties.
Signed-off-by: Quentin Deslandes <quentin.deslandes@itdev.co.uk>
Link: https://lore.kernel.org/r/20191101214232.16960-2-quentin.deslandes@itdev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Lines longer than 80 characters should be avoided because they are ugly
and harder to read. Fix a few of long lines to comply with the preferred
coding style for the linux kernel. Issues found by checkpatch.
Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Link: https://lore.kernel.org/r/588c73f275b22f55323797706e5ceae44d7aa160.1572649242.git.frank@generalsoftwareinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit arrange function declaration in one line to avoid lines
ending with '(' and comply in that way with the preferred coding
style for the linux kernel.
Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Link: https://lore.kernel.org/r/bdbc1d472a8d90487d691e82ab8154a5733e6a0f.1572649242.git.frank@generalsoftwareinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix alignment to match open parenthesis and comply in that way with the
preferred coding style for the linux kernel. Issue found by checkpatch.
Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Link: https://lore.kernel.org/r/df2a5f511870bd96abb9b111de83f3a1f1d82d70.1572649242.git.frank@generalsoftwareinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Attempting to allocate an entry at 0xffffffff when one is already
present would succeed in allocating one at 2^32, which would confuse
everything. Return -ENOSPC in this case, as expected.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
If there is an entry at INT_MAX then idr_for_each_entry() will increment
id after handling it. This is undefined behaviour, and is caught by
UBSAN. Adding 1U to id forces the operation to be carried out as an
unsigned addition which (when assigned to id) will result in INT_MIN.
Since there is never an entry stored at INT_MIN, idr_get_next() will
return NULL, ending the loop as expected.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
The inline read functions in the ADIS library don't check the return value
of the `adis_read_reg()` function and assign the value of `tmp` regardless.
Fix this by checking if return value is zero and only then assigning the
value of `tmp`.
No known case of the callers of this function incorrectly using the
value, but best to stop any potential risk here.
Not suitable for stable due to no known actual bugs caused by this
issue.
Fixes: 57a1228a06 ("iio:imu:adis: Add support for 32bit registers")
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This was also caught by the `-Wmaybe-uninitialized` warning, which
(ironically as-is) it makes quite a lot of sense to do for this.
The code that actually calls this function will fail to copy on
the uninitialized value. Hence, patch does not need to go into stable.
Fixes: 78026a6fde ("iio:imu:adis: Add debugfs register access support")
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This was found only after the whole thing with the inline functions, but
the compiler actually found something. The value of the `bias` (in
adis16480_get_calibbias()) should only be set if the read operation was
successful.
No actual known problem occurs as users of this function all
ultimately check the return value. Hence probably not stable material.
Fixes: 2f3abe6cbb ("iio:imu: Add support for the ADIS16480 and similar IMUs")
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This is a typical checkpatch warning. The change just renames the type of
the `freq` var to `unsigned int`.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This is just a minor indentation/alignment fix for the default case of a
switch statement.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADIS library functions return zero on success, and negative values for
error. Positive values aren't returned, but we only care about the success
value (which is zero).
This change is mostly needed so that the compiler won't make any inferences
about some about values being potentially un-initialized. This only
triggers after making some functions inline, because the compiler can
better follow return paths.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADIS library functions return zero on success, and negative values for
error. Positive values aren't returned, but we only care about the success
value (which is zero).
This change is mostly needed so that the compiler won't make any inferences
about some about values being potentially un-initialized. This only
triggers after making some functions inline, because the compiler can
better follow return paths.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADIS library functions return zero on success, and negative values for
error. Positive values aren't returned, but we only care about the success
value (which is zero).
This change is mostly needed so that the compiler won't make any inferences
about some about values being potentially un-initialized. This only
triggers after making some functions inline, because the compiler can
better follow return paths.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADIS library functions return zero on success, and negative values for
error. Positive values aren't returned, but we only care about the success
value (which is zero).
This change is mostly needed so that the compiler won't make any inferences
about some about values being potentially un-initialized. This only
triggers after making some functions inline, because the compiler can
better follow return paths.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADIS library functions return zero on success, and negative values for
error. Positive values aren't returned, but we only care about the success
value (which is zero).
This change is mostly needed so that the compiler won't make any inferences
about some about values being potentially un-initialized. This only
triggers after making some functions inline, because the compiler can
better follow return paths.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The commit ab92d68fc2 ("net: core: add generic lockdep keys") removed
all lockdep functionality from soft-interface.c but didn't remove the
include for this functionality.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
The usage of the '/* fall through */' comments in switches are no longer
marked as non-deprecated variant of implicit fall throughs for switch
statements. The commit 294f69e662 ("compiler_attributes.h: Add
'fallthrough' pseudo keyword for switch/case use") introduced a replacement
keyword which should be used instead.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
'aggr_list.lock' can safely be used in place of another explicit spinlock
when access to 'aggr_list' has to be guarded.
This avoids to take 2 locks, knowing that the 2nd one is always successful.
Now that the 'aggr_list.lock' is handled explicitly, the lock-free
__sbk_something() variants should be used when dealing with 'aggr_list'.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Use 'skb_queue_purge()' instead of re-implementing it.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Alexei Starovoitov says:
====================
pull-request: bpf-next 2019-11-02
The following pull-request contains BPF updates for your *net-next* tree.
We've added 30 non-merge commits during the last 7 day(s) which contain
a total of 41 files changed, 1864 insertions(+), 474 deletions(-).
The main changes are:
1) Fix long standing user vs kernel access issue by introducing
bpf_probe_read_user() and bpf_probe_read_kernel() helpers, from Daniel.
2) Accelerated xskmap lookup, from Björn and Maciej.
3) Support for automatic map pinning in libbpf, from Toke.
4) Cleanup of BTF-enabled raw tracepoints, from Alexei.
5) Various fixes to libbpf and selftests.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag '5.4-rc6-smb3-fix' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fix from Steve French:
"A small smb3 memleak fix"
* tag '5.4-rc6-smb3-fix' of git://git.samba.org/sfrench/cifs-2.6:
fix memory leak in large read decrypt offload
The only slightly tricky merge conflict was the netdevsim because the
mutex locking fix overlapped a lot of driver reload reorganization.
The rest were (relatively) trivial in nature.
Signed-off-by: David S. Miller <davem@davemloft.net>
- Add SPI_CADENCE_QUADSPI to support the Cadence QSPI driver
- Add INTEL_STRATIX10_RSU as a module to support the Remote Service
Update driver on Stratix10 and Agilex platforms
- Add GPIO_ALTERA as a module to support the Altera GPIO driver
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Merge tag 'arm64_defconfig_for_v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/defconfig
arm64 defconfig for v5.5
- Add SPI_CADENCE_QUADSPI to support the Cadence QSPI driver
- Add INTEL_STRATIX10_RSU as a module to support the Remote Service
Update driver on Stratix10 and Agilex platforms
- Add GPIO_ALTERA as a module to support the Altera GPIO driver
* tag 'arm64_defconfig_for_v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
arm64: defconfig: enable Altera GPIO controller
arm64: defconfig: enable rsu driver
arm64: defconfig: enable the Cadence QSPI controller
Link: https://lore.kernel.org/r/20191029143737.24850-2-dinguyen@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
- Get SNVS power key back to work for imx6-logicpd board. It was
accidentally disabled by commit 770856f0da ("ARM: dts: imx6qdl:
Enable SNVS power key according to board design").
- Fix sparse warnings in IMX GPC driver by making the initializers
in imx_gpc_domains C99 format.
- Fix an interrupt storm coming from accelerometer on imx6qdl-sabreauto
board. This is seen with upstream version U-Boot where pinctrl is not
configured for the device.
- Fix sdma device compatible string for i.MX8MM and i.MX8MN SoC.
- Fix compatible of PCA9547 i2c-mux on LS1028A QDS board to get the
device probed correctly.
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Merge tag 'imx-fixes-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.4, 2nd round:
- Get SNVS power key back to work for imx6-logicpd board. It was
accidentally disabled by commit 770856f0da ("ARM: dts: imx6qdl:
Enable SNVS power key according to board design").
- Fix sparse warnings in IMX GPC driver by making the initializers
in imx_gpc_domains C99 format.
- Fix an interrupt storm coming from accelerometer on imx6qdl-sabreauto
board. This is seen with upstream version U-Boot where pinctrl is not
configured for the device.
- Fix sdma device compatible string for i.MX8MM and i.MX8MN SoC.
- Fix compatible of PCA9547 i2c-mux on LS1028A QDS board to get the
device probed correctly.
* tag 'imx-fixes-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: imx8mn: fix compatible string for sdma
arm64: dts: imx8mm: fix compatible string for sdma
ARM: dts: imx6-logicpd: Re-enable SNVS power key
soc: imx: gpc: fix initialiser format
ARM: dts: imx6qdl-sabreauto: Fix storm of accelerometer interrupts
arm64: dts: ls1028a: fix a compatible issue
Link: https://lore.kernel.org/r/20191029110334.GA20928@dragon
Signed-off-by: Olof Johansson <olof@lixom.net>
