These properties need to be set during driver probe. Parse any DT
properties and replace the default register settings with the ones
parsed from DT.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Daniel Campello <campello@chromium.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: <devicetree@vger.kernel.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20201007011735.1346994-7-swboyd@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
We need to set various bits in the hardware registers for this device to
operate properly depending on how it is installed. Add a handful of DT
properties to configure these things.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Daniel Campello <campello@chromium.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: <devicetree@vger.kernel.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20201007011735.1346994-6-swboyd@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The rising and falling directions can be debounced in the hardware as
"close" and "far" debounce settings. Add support for these as rising and
falling debounce settings.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Daniel Campello <campello@chromium.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20201007011735.1346994-5-swboyd@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support for setting the hysteresis as a shifted value of a channel's
proximity threshold. Each channel can have a different threshold, but
the hysteresis applies to all channels as a right shift factor.
Therefore, duplicate the hysteresis value across all channels and make
it depend on the channel's proximity threshold. This is sort of odd but
seems to work in practice as most of the time only one channel is used.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Daniel Campello <campello@chromium.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20201007011735.1346994-4-swboyd@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support to set the proximity thresholds for each channel.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Daniel Campello <campello@chromium.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20201007011735.1346994-3-swboyd@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support to set the hardware gain of the channels as a multiplier of
2x, 4x, or 8x.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Daniel Campello <campello@chromium.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20201007011735.1346994-2-swboyd@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This change inverts/reworks the logic to use an external reference via a
provided regulator.
Now the driver tries to obtain a regulator. If one is found, then it is
used. The rest of the driver logic already checks if there is a non-NULL
reference to a regulator, so it should be fine.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20201002082723.184810-1-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The AT91 ADC driver no longer uses the 'at91_add_device_adc' platform data
type. This is no longer used (at least in mainline boards).
This change removes the platform-data initialization from the driver, since
it is mostly dead code now.
Some definitions [from the platform data at91_adc.h include] have been
moved in the driver, since they are needed in the driver.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200930135048.11530-5-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This tries to solve a warning reported by the lkp bot:
>> drivers/iio/adc/at91_adc.c:1439:34: warning: unused variable
>> 'at91_adc_dt_ids' [-Wunused-const-variable]
static const struct of_device_id at91_adc_dt_ids[] = {
^
1 warning generated.
This warning has appeared after the AT91_ADC driver compilation has been
enabled via the COMPILE_TEST symbol dependency.
The warning is caused by the 'of_match_ptr()' helper which returns NULL if
OF is undefined. This driver should build only for device-tree context, so
a dependency on the OF Kconfig symbol has been added.
Also, the usage of of_match_ptr() helper has been removed since it
shouldn't ever return NULL (because the driver should not be built for the
non-OF context).
Fixes: 4027860dcc ("iio: Kconfig: at91_adc: add COMPILE_TEST dependency to driver")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200930135048.11530-4-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The main intent is to get rid of the cast for the void-pointer returned by
of_device_get_match_data().
This requires const-ifying the 'caps' and 'registers' references on the
at91_adc_state struct.
The caps can be obtained also from the old platform_data (in the
at91_adc_probe_pdata() function), but that cast is not touched in this
patch, since the old platform_data should be removed/cleaned-away.
Also, that cast deals with converting a kernel_ulong_t type to a pointer.
So, updating that cast doesn't yield any benefit.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200930135048.11530-3-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This is a small tidy-up. The of_device_get_match_data() helper retrieves
the driver data from the OF table, without needed to explicitly know the
table variable (since it can retrieve it from the driver object).
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200930135048.11530-2-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add of_match_table to this driver, so devices can be probed based on
device tree contents.
Signed-off-by: Michael Auchter <michael.auchter@ni.com>
Link: https://lore.kernel.org/r/20200924195215.49443-2-michael.auchter@ni.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The AD5338R is a 10-bit DAC with 2 outputs and an internal 2.5V
reference (enabled by default). The register configuration is nearly
identical to the AD5696R DAC that's already supported by this driver,
with the channel selection bits being the only thing different.
Signed-off-by: Michael Auchter <michael.auchter@ni.com>
Link: https://lore.kernel.org/r/20200924195215.49443-1-michael.auchter@ni.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The device can be connected on SPI or on SDIO. The original file
described the two options separately. So, most of the file had to be
rewritten in order to match with the Yaml requirements.
Some device requirements are still written in the comments since they
cannot been expressed with the current scheme (e.g. reg must be set to 1
with SDIO, interrupt is mandatory with SPI, reset-gpio in SPI is
replaced by mmc-pwrseq in SDIO, etc...).
The examples provided have also been reworked in order to make
dt_binding_check happy.
Finally, also fix typo in the name of the file (siliabs instead of
silabs)
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20201007101943.749898-7-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The device is in charge of respecting the QoS constraints. The driver
have to ensure that all the queues contain data and the device choose
the right queue to send.
The things starts to be more difficult when the bandwidth of the bus is
lower than the bandwidth of the WiFi. The device quickly sends the
frames of the highest priority queue. Then, it starts to send frames
from a lower priority queue. Though, there are still some high priority
frames waiting in the driver.
To work around this problem, this patch add some priorities to each
queue. The weigh of the queue was (roughly) calculated experimentally by
checking the speed ratio of each queue when the bus does not limit the
traffic:
- Be/Bk -> 20Mbps/10Mbps
- Vi/Be -> 36Mbps/180Kbps
- Vo/Be -> 35Mbps/600Kbps
- Vi/Vo -> 24Mbps/12Mbps
So, if we fix the weigh of the Background to 1, the weight of Best
Effort should be 2. The weight of Video should be 116. However, since
there is only 32 queues, it make no sense to use a value greater than
64[1]. And finally, the weight of the Voice is set to 128.
[1] Because of this approximation, with very slow bus, we can still
observe frame starvation when we measure the speed ratio of Vi/Be. It is
around 35Mbps/1Mbps (instead of 36Mbps/180Kbps). However, it is still in
accepted error range.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20201007101943.749898-5-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Firmwares with API < 3.6 do not forward DELBA requests. Thus, when a
Block Ack session is restarted, the reordering buffer is not flushed and
the received sequence number is not contiguous. Therefore, mac80211
starts to wait some missing frames that it will never receive.
This patch disables the reordering buffer for old firmware. It is
harmless when the network is unencrypted. When the network is encrypted,
the non-contiguous frames will be thrown away by the TKIP/CCMP replay
protection. So, the user will observe some packet loss with UDP and
performance drop with TCP.
Fixes: e5da5fbd77 ("staging: wfx: fix CCMP/TKIP replay protection")
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20201007101943.749898-4-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit e8d607ce0c ("staging: wfx: drop 'secure link' feature") had
removed the 'secure link' feature. However, a few lines of codes were
yet here.
Fixes: e8d607ce0c ("staging: wfx: drop 'secure link' feature")
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20201007101943.749898-3-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As expected, when the device detect a MMIC error, it returns a specific
status. However, it also strip IV from the frame (don't ask me why).
So, with the current code, mac80211 detects a corrupted frame and it
drops it before it handle the MMIC error. The expected behavior would be
to detect MMIC error then to renegotiate the EAP session.
So, this patch correctly informs mac80211 that IV is not available. So,
mac80211 correctly takes into account the MMIC error.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20201007101943.749898-2-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After a list_for_each_entry() loop, the list iterator is always non-NULL
so these conditions don't work. If the "waiter" is not found then this
results in an out of bounds access.
I have fixed it by introducing a new "found" variable. In one case, I
used an else statement for readability.
Fixes: 46e4b9ec4f ("staging: vchiq_arm: use list_for_each_entry when accessing bulk_waiter_list")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20201006134748.GA2076872@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(struct gb_audio_ctl_elem_info*)->type has the type of __u8 so there is no
concern about the byte order. __force is safe to use.
Found by sparse,
$ make C=2 drivers/staging/greybus/
drivers/staging/greybus/audio_topology.c:185:24: warning: cast to restricted snd_ctl_elem_type_t
Suggested-by: Alex Elder <elder@linaro.org>
Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
Link: https://lore.kernel.org/r/20201002233057.74462-3-coiby.xu@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
snd_soc_pcm_stream.formats should use the bitmask SNDRV_PCM_FMTBIT_*
instead of the sequential integers SNDRV_PCM_FORMAT_* as explained by
commit e712bfca1a
("ASoC: codecs: use SNDRV_PCM_FMTBIT_* for format bitmask").
Found by sparse,
$ make C=2 drivers/staging/greybus/
drivers/staging/greybus/audio_codec.c:691:36: warning: incorrect type in initializer (different base types)
drivers/staging/greybus/audio_codec.c:691:36: expected unsigned long long [usertype] formats
drivers/staging/greybus/audio_codec.c:691:36: got restricted snd_pcm_format_t [usertype]
drivers/staging/greybus/audio_codec.c:701:36: warning: incorrect type in initializer (different base types)
drivers/staging/greybus/audio_codec.c:701:36: expected unsigned long long [usertype] formats
drivers/staging/greybus/audio_codec.c:701:36: got restricted snd_pcm_format_t [usertype]
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
Link: https://lore.kernel.org/r/20201002233057.74462-2-coiby.xu@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fix the following warnings from sparse,
$ make C=2 drivers/staging/greybus/
drivers/staging/greybus/audio_module.c:222:25: warning: incorrect type in assignment (different base types)
drivers/staging/greybus/audio_module.c:222:25: expected restricted __le16 [usertype] data_cport
drivers/staging/greybus/audio_module.c:222:25: got unsigned short [usertype] intf_cport_id
drivers/staging/greybus/audio_topology.c:460:40: warning: restricted __le32 degrades to integer
drivers/staging/greybus/audio_topology.c:691:41: warning: incorrect type in assignment (different base types)
drivers/staging/greybus/audio_topology.c:691:41: expected unsigned int access
drivers/staging/greybus/audio_topology.c:691:41: got restricted __le32 [usertype] access
drivers/staging/greybus/audio_topology.c:746:44: warning: incorrect type in assignment (different base types)
drivers/staging/greybus/audio_topology.c:746:44: expected unsigned int
drivers/staging/greybus/audio_topology.c:746:44: got restricted __le32
drivers/staging/greybus/audio_topology.c:748:52: warning: incorrect type in assignment (different base types)
drivers/staging/greybus/audio_topology.c:748:52: expected unsigned int
drivers/staging/greybus/audio_topology.c:748:52: got restricted __le32
drivers/staging/greybus/audio_topology.c:802:42: warning: restricted __le32 degrades to integer
drivers/staging/greybus/audio_topology.c:805:50: warning: incorrect type in assignment (different base types)
drivers/staging/greybus/audio_topology.c:805:50: expected restricted __le32
drivers/staging/greybus/audio_topology.c:805:50: got unsigned int
drivers/staging/greybus/audio_topology.c:814:50: warning: restricted __le32 degrades to integer
drivers/staging/greybus/audio_topology.c:817:58: warning: incorrect type in assignment (different base types)
drivers/staging/greybus/audio_topology.c:817:58: expected restricted __le32
drivers/staging/greybus/audio_topology.c:817:58: got unsigned int
drivers/staging/greybus/audio_topology.c:889:25: warning: incorrect type in assignment (different base types)
drivers/staging/greybus/audio_topology.c:889:25: expected unsigned int access
drivers/staging/greybus/audio_topology.c:889:25: got restricted __le32 [usertype] access
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
Link: https://lore.kernel.org/r/20201002233057.74462-1-coiby.xu@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace _cancel_timer with API function del_timer_sync.
One instance of del_timer_sync is moved and an unnecessary pair of spin
locks are removed.
Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201004011743.10750-8-ross.schm.dev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This fixes commit 0107635e15
("staging: qlge: replace pr_err with netdev_err") which introduced an
build breakage of missing `struct ql_adapter *qdev` for some functions
and a warning of type mismatch with dumping enabled, i.e.,
$ make CFLAGS_MODULE="-DQL_ALL_DUMP -DQL_OB_DUMP -DQL_CB_DUMP \
-DQL_IB_DUMP -DQL_REG_DUMP -DQL_DEV_DUMP" M=drivers/staging/qlge
qlge_dbg.c: In function ‘ql_dump_ob_mac_rsp’:
qlge_dbg.c:2051:13: error: ‘qdev’ undeclared (first use in this function); did you mean ‘cdev’?
2051 | netdev_err(qdev->ndev, "%s\n", __func__);
| ^~~~
qlge_dbg.c: In function ‘ql_dump_routing_entries’:
qlge_dbg.c:1435:10: warning: format ‘%s’ expects argument of type ‘char *’, but argument 3 has type ‘int’ [-Wformat=]
1435 | "%s: Routing Mask %d = 0x%.08x\n",
| ~^
| |
| char *
| %d
1436 | i, value);
| ~
| |
| int
qlge_dbg.c:1435:37: warning: format ‘%x’ expects a matching ‘unsigned int’ argument [-Wformat=]
1435 | "%s: Routing Mask %d = 0x%.08x\n",
| ~~~~^
| |
| unsigned int
Note that now ql_dump_rx_ring/ql_dump_tx_ring won't check if the passed
parameter is a null pointer.
Fixes: 0107635e15 ("staging: qlge: replace pr_err with netdev_err")
Reported-by: Benjamin Poirier <benjamin.poirier@gmail.com>
Suggested-by: Benjamin Poirier <benjamin.poirier@gmail.com>
Reviewed-by: Benjamin Poirier <benjamin.poirier@gmail.com>
Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
Link: https://lore.kernel.org/r/20201002235941.77062-1-coiby.xu@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'for-linus-5.9b-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"Fix a regression introduced in 5.9-rc3 which caused a system running
as fully virtualized guest under Xen to crash when using legacy
devices like a floppy"
* tag 'for-linus-5.9b-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: don't use chip_data for legacy IRQs
Here are some small USB and PHY driver fixes for 5.9-rc8
The PHY driver fix resolves an issue found by Dan Carpenter for a memory
leak.
The USB fixes fall into two groups:
- usb gadget fix from Bryan that is a fix for a previous
security fix that showed up in in-the-wild testing
- usb core driver matching bugfixes. This fixes a bug that has
plagued the both the usbip driver and syzbot testing tools
this -rc release cycle. All is now working properly so usbip
connections will work, and syzbot can get back to fuzzing USB
drivers properly.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.9-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY fixes from Greg KH:
"Here are some small USB and PHY driver fixes for 5.9-rc8
The PHY driver fix resolves an issue found by Dan Carpenter for a
memory leak.
The USB fixes fall into two groups:
- usb gadget fix from Bryan that is a fix for a previous security fix
that showed up in in-the-wild testing
- usb core driver matching bugfixes. This fixes a bug that has
plagued the both the usbip driver and syzbot testing tools this -rc
release cycle. All is now working properly so usbip connections
will work, and syzbot can get back to fuzzing USB drivers properly.
All have been in linux-next for a while with no reported issues"
* tag 'usb-5.9-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usbcore/driver: Accommodate usbip
usbcore/driver: Fix incorrect downcast
usbcore/driver: Fix specific driver selection
Revert "usbip: Implement a match function to fix usbip"
USB: gadget: f_ncm: Fix NDP16 datagram validation
phy: ti: am654: Fix a leak in serdes_am654_probe()
Pull i2c fixes from Wolfram Sang:
"Some more driver fixes for i2c"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: npcm7xx: Clear LAST bit after a failed transaction.
i2c: cpm: Fix i2c_ram structure
i2c: i801: Exclude device from suspend direct complete optimization
Pull input fixes from Dmitry Torokhov:
"A couple more driver quirks, now enabling newer trackpoints from
Synaptics for real"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - add nopnp quirk for Acer Aspire 5 A515
Input: trackpoint - enable Synaptics trackpoints
One of the entries has three fields "mistake||correction||correction"
rather than the expected two fields "mistake||correction". Fix it.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20200930234359.255295-1-ebiggers@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
memalloc_nocma_{save/restore} APIs can be used to skip page allocation
on CMA area, but, there is a missing case and the page on CMA area could
be allocated even if APIs are used. This patch handles this case to fix
the potential issue.
For now, these APIs are used to prevent long-term pinning on the CMA
page. When the long-term pinning is requested on the CMA page, it is
migrated to the non-CMA page before pinning. This non-CMA page is
allocated by using memalloc_nocma_{save/restore} APIs. If APIs doesn't
work as intended, the CMA page is allocated and it is pinned for a long
time. This long-term pin for the CMA page causes cma_alloc() failure
and it could result in wrong behaviour on the device driver who uses the
cma_alloc().
Missing case is an allocation from the pcplist. MIGRATE_MOVABLE pcplist
could have the pages on CMA area so we need to skip it if ALLOC_CMA
isn't specified.
Fixes: 8510e69c8e (mm/page_alloc: fix memalloc_nocma_{save/restore} APIs)
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Link: https://lkml.kernel.org/r/1601429472-12599-1-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The routine that applies debug flags to the kmem_cache slabs
inadvertantly prevents non-debug flags from being applied to those
same objects. That is, if slub_debug=<flag>,<slab> is specified,
non-debugged slabs will end up having flags of zero, and the slabs
may be unusable.
Fix this by including the input flags for non-matching slabs with the
contents of slub_debug, so that the caches are created as expected
alongside any debugging options that may be requested. With this, we
can remove the check for a NULL slub_debug_string, since it's covered
by the loop itself.
Fixes: e17f1dfba3 ("mm, slub: extend slub_debug syntax for multiple blocks")
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Kees Cook <keescook@chromium.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Link: https://lkml.kernel.org/r/20200930161931.28575-1-farman@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix synchronization of VTTBR update on TLB invalidation for nVHE systems
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Merge tag 'kvmarm-fixes-5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/arm64 fixes for 5.9, take #3
- Fix synchronization of VTTBR update on TLB invalidation for nVHE systems
The PFEC_MASK and PFEC_MATCH fields in the VMCS reverse the meaning of
the #PF intercept bit in the exception bitmap when they do not match.
This means that, if PFEC_MASK and/or PFEC_MATCH are set, the
hypervisor can get a vmexit for #PF exceptions even when the
corresponding bit is clear in the exception bitmap.
This is unexpected and is promptly detected by a WARN_ON_ONCE.
To fix it, reset PFEC_MASK and PFEC_MATCH when the #PF intercept
is disabled (as is common with enable_ept && !allow_smaller_maxphyaddr).
Reported-by: Qian Cai <cai@redhat.com>>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- Fix a mux problem for I2C in the MVEBU driver.
- Fix a really hairy inversion problem in the Intel Cherryview
driver.
- Fix the register for the sdc2_clk in the Qualcomm SM8250
driver.
- Check the virtual GPIO boot failur in the Mediatek driver.
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Merge tag 'pinctrl-v5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Some pin control fixes here. All of them are driver fixes, the Intel
Cherryview being the most interesting one.
- Fix a mux problem for I2C in the MVEBU driver.
- Fix a really hairy inversion problem in the Intel Cherryview
driver.
- Fix the register for the sdc2_clk in the Qualcomm SM8250 driver.
- Check the virtual GPIO boot failur in the Mediatek driver"
* tag 'pinctrl-v5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: mediatek: check mtk_is_virt_gpio input parameter
pinctrl: qcom: sm8250: correct sdc2_clk
pinctrl: cherryview: Preserve CHV_PADCTRL1_INVRXTX_TXDATA flag on GPIOs
pinctrl: mvebu: Fix i2c sda definition for 98DX3236
