WMI drivers can if they have specified an array of struct wmi_device_id
use the MODULE_DEVICE_TABLE() macro to automatically generate the
appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
Change driver to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
WMI drivers can if they have specified an array of struct wmi_device_id
use the MODULE_DEVICE_TABLE() macro to automatically generate the
appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
Change driver to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
WMI drivers can if they have specified an array of struct wmi_device_id
use the MODULE_DEVICE_TABLE() macro to automatically generate the
appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
Change driver to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
The kernel provides the macro MODULE_DEVICE_TABLE() where driver authors
can specify their device type and their array of device_ids and thereby
trigger the generation of the appropriate MODULE_ALIAS() output. This is
opposed to having to specify one MODULE_ALIAS() for each device. The WMI
device type is currently not supported.
While using MODULE_DEVICE_TABLE() does increase the complexity as well
as spreading out the implementation across the kernel, it does come with
some benefits too;
* It makes different drivers look more similar; if you can specify the
array of device_ids any device type specific input to MODULE_ALIAS()
will automatically be generated for you.
* It helps each driver avoid keeping multiple versions of the same
information in sync. That is, both the array of device_ids and the
potential multitude of MODULE_ALIAS()'s.
Add WMI support to MODULE_DEVICE_TABLE() by adding info about struct
wmi_device_id in devicetable-offsets.c and add a WMI entry point in
file2alias.c.
The type argument for MODULE_DEVICE_TABLE(type, name) is wmi.
Suggested-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
In preparation for adding WMI support to MODULE_DEVICE_TABLE() move the
definition of struct wmi_device_id to mod_devicetable.h and inline
guid_string in the struct.
Changing guid_string to an inline char array changes the loop conditions
when looping over an array of struct wmi_device_id. Therefore update
wmi_dev_match()'s loop to check for an empty guid_string instead of a
NULL pointer.
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
[dvhart: Move UUID_STRING_LEN define to this patch]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Merge tag 'dtype_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull dtype handling cleanups from Jan Kara:
"A reworked dtype cleanup patches based on your feedback to the
previous version of these.
Again the series includes only the generic code and ext2 cleanup as a
sample. The plan is to push cleanups for other filesystems separately
through respective trees once the generic code lands to reduce the
number of conflicts"
* tag 'dtype_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext2: use common file type conversion
fs: common implementation of file type
This patch refactors the code that is responsible to set the DMA mask for
the device.
Upon each change of the dma mask, the driver will save the new value that
was set. This is needed in order to make sure we don't try to increase the
mask a second time, in case we failed in the first time. This is
especially relevant for Power machines, as that may cause a change in
configuration of the TVT which will break the device.
Goya will first try to set the device's dma mask to 39 bits, so that the
memory that is allocated on the host machine for communication with the
device's cpu will be in a bus address which is lower then 39 bits. Later,
Goya will try to increase that mask to 48 bits, but only if setting the
mask to 39 bits was successful.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
When calculating the maximun I/O size allowed into the buffer, consider
the write size (ws_opt) used by the write thread in order to cover the
case in which, due to flushes, the mem and subm pointers are disaligned
by (ws_opt - 1). This case currently translates into a stall when
an I/O of the largest possible size is submitted.
Fixes: f9f9d1ae2c66 ("lightnvm: pblk: prevent stall due to wb threshold")
Signed-off-by: Javier González <javier@javigon.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The current code, since commit bb43d40d7c ("drm/sun4i: rgb: Validate the
clock rate"), perform some validation on the pixel clock to filter out the
EDID modes provided by monitors (through bridges) that we wouldn't be able
to reach. For the usual modes, we're able to generate a perfect clock rate,
so a strict check was enough.
However, this had the side effect of preventing displays that would work
otherwise to operate properly, since we would pretty much never be able to
generate an exact rate for those displays, even though we would fall within
that panel tolerance.
This was also shown to happen for unusual modes exposed through EDIDs, for
example on eDP panels.
We can work around this by simplifying a bit the problem: no panels we've
encountered so far actually needed that check. All of them are tied to a
particular board when it is produced, and made to work with the Allwinner
BSP. That pretty much guarantees that we never have a pixel clock out of
reach.
On the other hand, the EDIDs modes that needed to be validated have always
been exposed through bridges.
Let's just use that metric to instead of validating all modes, only
validate modes when we have a bridge attached. It should be good enough for
now, while we still have room for improvements or refinements using the
display_timings structure for example for panels.
We also add a tolerance for EDID-based modes instead of doing a strict
check. This tolerance is of 0.5% which is the one advertised in the VESA
DVT and CVT specs. If that needed to be extended in the future, we can add
a custom module parameter to relax it a bit.
Fixes: bb43d40d7c ("drm/sun4i: rgb: Validate the clock rate")
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com> # tested on pinebook
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ec2dc2a7b3d4bd44f7a2a6e1c1813f92449a7310.1551191081.git-series.maxime.ripard@bootlin.com
Our clock rate variables are getting pretty close to the LONG_MAX / ULONG_MAX
limit, especially since we will start doing arithmetic on it. Move those
types to unsigned long long to be sure we don't overflow their type.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com> # tested on pinebook
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/022c3b850413edd6afbca20062f100971de2f5af.1551191081.git-series.maxime.ripard@bootlin.com
The TCON driver used to need the panel pointer in order to configure the
tcon according to the various parameters of the panel. However, this has
evolved over time (especially to support bridges), and therefore the panel
pointer isn't needed anymore by the TCON driver.
Move that pointer to the LVDS and RGB encoders drivers.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com> # tested on pinebook
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/13288b6b8f27b614a6c9aef348923c34b2803ad4.1551191081.git-series.maxime.ripard@bootlin.com
Remove duplicated entry in mt76x2u_device_table since Alfa AWUS036ACM
and Aukey USB-AC1200 have the same ids
Fixes: 62a25dc569 ("mt76x2u: Add support for Alfa AWUS036ACM")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().
Fixes: c8846e1015 ("mt76: add driver for MT7603E and MT7628/7688")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This feature has been reported to cause stability issues on several systems.
Disable it until it has been fixed and verified. It can still be enabled
through debugfs
Signed-off-by: Felix Fietkau <nbd@nbd.name>
These packets have no txwi entry in the ring, so tracking via tx status does
not work. To prevent PS poll requests from being unanswered, end the service
period right away
Signed-off-by: Felix Fietkau <nbd@nbd.name>
AGC register 35, 37 override for the low gain setting should only be done
on 5 GHz. Also, 2.4 GHz needs a different value for register 35
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Use the correct variable in the check. Fixes an uninitialized variable warning
Reported-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Fixes: c8846e1015 ("mt76: add driver for MT7603E and MT7628/7688")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Full tx blocking (as opposed to CCA blocking) should only happen if there
is a continuous non-802.11 signal above the energy detect threshold.
Unfortunately the ED/CCA counter can't detect that, as it also counts 802.11
signals as busy.
Similar to the vendor code, implement a learning mode that waits until the AGC
gain has already been adjusted to the lowest value (due to false CCA events),
and the number of false CCA events still remains high, and the blocking
threshold is exceeded for more than 5 seconds.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Also update the mask first before calculating the vif index.
Fixes an issue where adding back the same interfaces in a different order
fails because of duplicate vif index use
Fixes: 06662264ce ("mt76x02: use mask for vifs")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Since we add txwi at the begining of skb->data, it no longer point
to ieee80211_hdr. This breaks settings TS bit for probe response and
beacons.
Acked-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Introduce mt76_queue stopped parameter in order to run
ieee80211_wake_queue only when mac80211 queues have been
previously stopped and avoid to disable interrupts when
it is not necessary
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
The preferred bpp for the fbdev emulation buffer has been 32 so far, which
means that by default we will allocate an 8MB buffer with a 1920x1080
resolution.
Worse this memory will be allocated from the CMA pool, and will never be
freed even if we don't use the fbdev emulation. Therefore, reducing it is a
big deal, and switching to 16bpp by default will gain us around 4MB at
1920x1080, while keeping decent color depth. And users still have the
option to switch to 32bpp using the kernel command line.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190306140245.21973-1-maxime.ripard@bootlin.com
The file:
Documentation/acpi/aml-debugger.txt
reports an obsolete path for the acpidbg tool, so fix it.
Signed-off-by: Flavio Suligoi <f.suligoi@asem.it>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Avoid the open-coding of the accounted time acquisition in
runtime_active|suspend_time_show() and make them call
pm_runtime_active|suspended_time() instead.
Note that this change also indirectly avoids holding dev->power.lock
around the do_div() computation and the sprintf() call which is an
additional improvement.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In a step to consolidate the code for fetching the PM-runtime
active/suspended time for a device, add a common function for that
and make the existing pm_runtime_suspended_time() call it.
Also add a corresponding pm_runtime_active_time() calling the new
common function.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
[ rjw: Changelog, function rename ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Prefix all printk/pr_<level> messages with "PM: " to make the
logging a bit more consistent.
Miscellanea:
o Convert a few printks to pr_<level>
o Whitespace to align to open parentheses
o Remove embedded "PM: " from pr_debugs as pr_fmt adds it
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fix the formatting of the cpufreq_cpu_get() and cpufreq_cpu_put()
kerneldoc comments and rework them to be somewhat easier to follow.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The variance computation in get_typical_interval() may overflow if
the square of the value of diff exceeds the maximum for the int64_t
data type value which basically is the case when it is of the order
of UINT_MAX.
However, data points so far in the future don't matter for idle
state selection anyway, so change the initial threshold value in
get_typical_interval() to INT_MAX which will cause more "outlying"
data points to be discarded without affecting the selection result.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
CHECK macro implicitly uses duration. We call CHECK() a couple of times
before duration is initialized from bpf_prog_test_run().
Explicitly set duration to 0 to avoid compiler warnings.
Fixes: 740f8a6572 ("selftests/bpf: make sure signal interrupts BPF_PROG_TEST_RUN")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
libbpf targets don't explicitly depend on fixdep target, so when
we do 'make -j$(nproc)', there is a high probability, that some
objects will be built before fixdep binary is available.
Fix this by running sub-make; this makes sure that fixdep dependency
is properly accounted for.
For the same issue in perf, see commit abb26210a3 ("perf tools: Force
fixdep compilation at the start of the build").
Before:
$ rm -rf /tmp/bld; mkdir /tmp/bld; make -j$(nproc) O=/tmp/bld -C tools/lib/bpf/
Auto-detecting system features:
... libelf: [ on ]
... bpf: [ on ]
HOSTCC /tmp/bld/fixdep.o
CC /tmp/bld/libbpf.o
CC /tmp/bld/bpf.o
CC /tmp/bld/btf.o
CC /tmp/bld/nlattr.o
CC /tmp/bld/libbpf_errno.o
CC /tmp/bld/str_error.o
CC /tmp/bld/netlink.o
CC /tmp/bld/bpf_prog_linfo.o
CC /tmp/bld/libbpf_probes.o
CC /tmp/bld/xsk.o
HOSTLD /tmp/bld/fixdep-in.o
LINK /tmp/bld/fixdep
LD /tmp/bld/libbpf-in.o
LINK /tmp/bld/libbpf.a
LINK /tmp/bld/libbpf.so
LINK /tmp/bld/test_libbpf
$ head /tmp/bld/.libbpf.o.cmd
# cannot find fixdep (/usr/local/google/home/sdf/src/linux/xxx//fixdep)
# using basic dep data
/tmp/bld/libbpf.o: libbpf.c /usr/include/stdc-predef.h \
/usr/include/stdlib.h /usr/include/features.h \
/usr/include/x86_64-linux-gnu/sys/cdefs.h \
/usr/include/x86_64-linux-gnu/bits/wordsize.h \
/usr/include/x86_64-linux-gnu/gnu/stubs.h \
/usr/include/x86_64-linux-gnu/gnu/stubs-64.h \
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h \
After:
$ rm -rf /tmp/bld; mkdir /tmp/bld; make -j$(nproc) O=/tmp/bld -C tools/lib/bpf/
Auto-detecting system features:
... libelf: [ on ]
... bpf: [ on ]
HOSTCC /tmp/bld/fixdep.o
HOSTLD /tmp/bld/fixdep-in.o
LINK /tmp/bld/fixdep
CC /tmp/bld/libbpf.o
CC /tmp/bld/bpf.o
CC /tmp/bld/nlattr.o
CC /tmp/bld/btf.o
CC /tmp/bld/libbpf_errno.o
CC /tmp/bld/str_error.o
CC /tmp/bld/netlink.o
CC /tmp/bld/bpf_prog_linfo.o
CC /tmp/bld/libbpf_probes.o
CC /tmp/bld/xsk.o
LD /tmp/bld/libbpf-in.o
LINK /tmp/bld/libbpf.a
LINK /tmp/bld/libbpf.so
LINK /tmp/bld/test_libbpf
$ head /tmp/bld/.libbpf.o.cmd
cmd_/tmp/bld/libbpf.o := gcc -Wp,-MD,/tmp/bld/.libbpf.o.d -Wp,-MT,/tmp/bld/libbpf.o -g -Wall -DHAVE_LIBELF_MMAP_SUPPORT -DCOMPAT_NEED_REALLOCARRAY -Wbad-function-cast -Wdeclaration-after-statement -Wformat-security -Wformat-y2k -Winit-self -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wno-system-headers -Wold-style-definition -Wpacked -Wredundant-decls -Wshadow -Wstrict-prototypes -Wswitch-default -Wswitch-enum -Wundef -Wwrite-strings -Wformat -Wstrict-aliasing=3 -Werror -Wall -fPIC -I. -I/usr/local/google/home/sdf/src/linux/tools/include -I/usr/local/google/home/sdf/src/linux/tools/arch/x86/include/uapi -I/usr/local/google/home/sdf/src/linux/tools/include/uapi -fvisibility=hidden -D"BUILD_STR(s)=$(pound)s" -c -o /tmp/bld/libbpf.o libbpf.c
source_/tmp/bld/libbpf.o := libbpf.c
deps_/tmp/bld/libbpf.o := \
/usr/include/stdc-predef.h \
/usr/include/stdlib.h \
/usr/include/features.h \
/usr/include/x86_64-linux-gnu/sys/cdefs.h \
/usr/include/x86_64-linux-gnu/bits/wordsize.h \
Fixes: 7c422f5572 ("tools build: Build fixdep helper from perf and basic libs")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
A bunch of related changes lumped together:
* Create prog_tests and verifier output directories; these don't exist with
out-of-tree $(OUTPUT)
* Add missing -I (via separate TEST_{PROGS,VERIFIER}_CFLAGS) for the main tree
($(PWD) != $(OUTPUT) for out-of-tree)
* Add libbpf.a dependency for test_progs_32 (parallel make fails otherwise)
* Add missing "; \" after "cd" when generating test.h headers
Tested by:
$ alias m="make -s -j$(nproc)"
$ m -C tools/testing/selftests/bpf/ clean
$ m -C tools/lib/bpf/ clean
$ rm -rf xxx; mkdir xxx; m -C tools/testing/selftests/bpf/ OUTPUT=$PWD/xxx
$ m -C tools/testing/selftests/bpf/
Fixes: 3f30658830 ("selftests: bpf: break up test_progs - preparations")
Fixes: 2dfb40121e ("selftests: bpf: prepare for break up of verifier tests")
Fixes: 3ef84346c5 ("selftests: bpf: makefile support sub-register code-gen test mode")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Add a test on egress that a large TCP packet successfully goes through
the lwt+bpf encap tunnel.
Although there is no direct evidence that GSO worked, as opposed to
e.g. TCP segmentation or IP fragmentation (maybe a kernel stats counter
should be added to track the number of failed GSO attempts?), without
the previous patch in the patchset this test fails, and printk-debugging
showed that software-based GSO succeeded here (veth is not compatible with
SKB_GSO_DODGY, so GSO happens in the software stack).
Also removed an unnecessary nodad and added a missed failed flag.
Signed-off-by: Peter Oskolkov <posk@google.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
GSO needs inner headers and inner protocol set properly to work.
skb->inner_mac_header: skb_reset_inner_headers() assigns the current
mac header value to inner_mac_header; but it is not set at the point,
so we need to call skb_reset_inner_mac_header, otherwise gre_gso_segment
fails: it does
int tnl_hlen = skb_inner_mac_header(skb) - skb_transport_header(skb);
...
if (unlikely(!pskb_may_pull(skb, tnl_hlen)))
...
skb->inner_protocol should also be correctly set.
Fixes: ca78801a81 ("bpf: handle GSO in bpf_lwt_push_encap")
Signed-off-by: Peter Oskolkov <posk@google.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
There are a couple of typos, fix these.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
BPF can adjust gso only for tcp bytestreams. Fail on other gso types.
But only on gso packets. It does not touch this field if !gso_size.
Fixes: b90efd2258 ("bpf: only adjust gso_size on bytestream protocols")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
