Disable dfs RDD mcu commands for mt7663 driver since they are not
currently supported by the 7663 firmware
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Make scs configurable per phy since most of the chipsets do not
support dbdc
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Enable Noise floor estimation for mt7663 driver
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Simplify mib macros and use proper type for related counters.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Add mt7610 PCI id found on D-Link DWR-960 to pci_device_id table.
Run-tested on D-Link DWR-960 with no-name half-size mPCIE card
with mt7610e.
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Introduce Mercury UD13 dual-band dongle support to mt76x2u driver
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
The current version has a new USB ID and reports as an 0x7632 device.
Adding the IDs results in it working out of the box.
Signed-off-by: Matthew Garrett <mjg59@google.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
If a MCU timeout occurs before a hw restart completes, another hw restart
is scheduled, and the station state gets corrupted.
To speed up dealing with that, do not issue any MCU commands after the first
timeout, and defer handling timeouts until the reset has completed.
Also ignore errors in MCU commands during start/config to avoid making user
space fail on this condition. If it happens, another restart is scheduled
quickly, and that usually recovers the hardware properly.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
In function rockchip_dt_node_to_map, a new_map variable is
allocated by:
new_map = devm_kcalloc(pctldev->dev, map_num, sizeof(*new_map),
GFP_KERNEL);
This uses devres and attaches new_map to the pinctrl driver.
This cause a leak since new_map is not released when the probed
driver is removed. Fix it by using kcalloc to allocate new_map
and free it in `rockchip_dt_free_map`
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20200506100903.15420-1-dafna.hirschfeld@collabora.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When setting PTE_MAYBE_GP we check system_supports_bti() but this is
true for systems where only CONFIG_BTI is set causing us to enable BTI
on some kernel text. Add an extra check for the kernel mode option,
using an ifdef due to line length.
Fixes: c8027285e3 ("arm64: Set GP bit in kernel page tables to enable BTI for the kernel")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200512113950.29996-1-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
- Fix pin configuration in the PCA953x driver.
- Ruggedize the watch/unwatch ioctl().
- Possible call to a sleeping function when holding a spinlock,
avoid this.
- Fix UML builds with DT overlays.
- Mask Tegra GPIO IRQs during shutdown().
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Merge tag 'gpio-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Some GPIO fixes for v5.7, slightly overdue. Been learning MMUs and
KASan that is why it's late. Bartosz helped me out, luckily!
- Fix pin configuration in the PCA953x driver
- Ruggedize the watch/unwatch ioctl()
- Possible call to a sleeping function when holding a spinlock, avoid
this
- Fix UML builds with DT overlays
- Mask Tegra GPIO IRQs during shutdown()"
* tag 'gpio-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: tegra: mask GPIO IRQs during IRQ shutdown
gpio: of: Build fails if CONFIG_OF_DYNAMIC enabled without CONFIG_OF_GPIO
gpiolib: don't call sleeping functions with a spinlock taken
gpiolib: improve the robustness of watch/unwatch ioctl()
gpio: pca953x: Fix pca953x_gpio_set_config
Several actions are not mitigations for a single erratum, but for
multiple errata. However, printing a line like
CPU features: detected: ARM errata 1165522, 1530923
may give the false impression that all three listed errata have been
detected. This can confuse the user, who may think his Cortex-A55 is
suddenly affected by a Cortex-A76 erratum.
Add "or" to all descriptions for mitigations for multiple errata, to
make it clear that only one or more of the errata printed are
applicable, and not necessarily all of them.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200512145255.5520-1-geert+renesas@glider.be
Signed-off-by: Will Deacon <will@kernel.org>
We can make some of the register access functions more readable by
factoring out the calculations a little bit.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200415095953.v3.1.Ic70288f256ff0be65cac6a600367212dfe39f6c9@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Cleanups:
- symbolic register names for x86,sparc64,sparc32,powerpc,parisc,m68k
- split of local/global variables for drive,fdc
- UBSAN warning suppress in setup_rw_floppy()
Changes were compile tested on arm, sparc64, powerpc, m68k. Many patches
introduce no binary changes by using defines instead of magic numbers.
The patches were also tested with syzkaller and simple write/read/format
tests on real hardware.
Signed-off-by: Denis Efremov <efremov@linux.com>
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Merge tag 'floppy-for-5.8' of https://github.com/evdenis/linux-floppy into for-5.8/drivers
Floppy patches for 5.8
Cleanups:
- symbolic register names for x86,sparc64,sparc32,powerpc,parisc,m68k
- split of local/global variables for drive,fdc
- UBSAN warning suppress in setup_rw_floppy()
Changes were compile tested on arm, sparc64, powerpc, m68k. Many patches
introduce no binary changes by using defines instead of magic numbers.
The patches were also tested with syzkaller and simple write/read/format
tests on real hardware.
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
* tag 'floppy-for-5.8' of https://github.com/evdenis/linux-floppy: (31 commits)
floppy: suppress UBSAN warning in setup_rw_floppy()
floppy: add defines for sizes of cmd & reply buffers of floppy_raw_cmd
floppy: add FD_AUTODETECT_SIZE define for struct floppy_drive_params
floppy: use print_hex_dump() in setup_DMA()
floppy: cleanup: make set_fdc() always set current_drive and current_fd
floppy: cleanup: get rid of current_reqD in favor of current_drive
floppy: make sure to reset all FDCs upon resume()
floppy: cleanup: do not iterate on current_fdc in do_floppy_init()
floppy: cleanup: add a few comments about expectations in certain functions
floppy: cleanup: do not iterate on current_fdc in DMA grab/release functions
floppy: cleanup: make get_fdc_version() not rely on current_fdc anymore
floppy: cleanup: make next_valid_format() not rely on current_drive anymore
floppy: cleanup: make check_wp() not rely on current_{fdc,drive} anymore
floppy: cleanup: make fdc_specify() not rely on current_{fdc,drive} anymore
floppy: cleanup: make fdc_configure() not rely on current_fdc anymore
floppy: cleanup: make perpendicular_mode() not rely on current_fdc anymore
floppy: cleanup: make need_more_output() not rely on current_fdc anymore
floppy: cleanup: make result() not rely on current_fdc anymore
floppy: cleanup: make output_byte() not rely on current_fdc anymore
floppy: cleanup: make wait_til_ready() not rely on current_fdc anymore
...
Fixes for bugs prior to v5.7-rc1:
- Fix random block reads when reading fragmented journals (v5.2).
- Fix a possible random memory access in gfs2_walk_metadata (v5.3).
Fixes for v5.7-rc1:
- Fix several overlooked gfs2_qa_get / gfs2_qa_put imbalances.
- Fix several bugs in the new filesystem withdraw logic.
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Merge tag 'gfs2-v5.7-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fixes from Andreas Gruenbacher:
"Various gfs2 fixes.
Fixes for bugs prior to v5.7:
- Fix random block reads when reading fragmented journals (v5.2)
- Fix a possible random memory access in gfs2_walk_metadata (v5.3)
Fixes for v5.7:
- Fix several overlooked gfs2_qa_get / gfs2_qa_put imbalances
- Fix several bugs in the new filesystem withdraw logic"
* tag 'gfs2-v5.7-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
Revert "gfs2: Don't demote a glock until its revokes are written"
gfs2: If go_sync returns error, withdraw but skip invalidate
gfs2: Grab glock reference sooner in gfs2_add_revoke
gfs2: don't call quota_unhold if quotas are not locked
gfs2: move privileged user check to gfs2_quota_lock_check
gfs2: remove check for quotas on in gfs2_quota_check
gfs2: Change BUG_ON to an assert_withdraw in gfs2_quota_change
gfs2: Fix problems regarding gfs2_qa_get and _put
gfs2: More gfs2_find_jhead fixes
gfs2: Another gfs2_walk_metadata fix
gfs2: Fix use-after-free in gfs2_logd after withdraw
gfs2: Fix BUG during unmount after file system withdraw
gfs2: Fix error exit in do_xmote
gfs2: fix withdraw sequence deadlock
Move away from the deprecated API in this comment.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
UBSAN: array-index-out-of-bounds in drivers/block/floppy.c:1521:45
index 16 is out of range for type 'unsigned char [16]'
Call Trace:
...
setup_rw_floppy+0x5c3/0x7f0
floppy_ready+0x2be/0x13b0
process_one_work+0x2c1/0x5d0
worker_thread+0x56/0x5e0
kthread+0x122/0x170
ret_from_fork+0x35/0x40
From include/uapi/linux/fd.h:
struct floppy_raw_cmd {
...
unsigned char cmd_count;
unsigned char cmd[16];
unsigned char reply_count;
unsigned char reply[16];
...
}
This out-of-bounds access is intentional. The command in struct
floppy_raw_cmd may take up the space initially intended for the reply
and the reply count. It is needed for long 82078 commands such as
RESTORE, which takes 17 command bytes. Initial cmd size is not enough
and since struct setup_rw_floppy is a part of uapi we check that
cmd_count is in [0:16+1+16] in raw_cmd_copyin().
The patch adds union with original cmd,reply_count,reply fields and
fullcmd field of equivalent size. The cmd accesses are turned to
fullcmd where appropriate to suppress UBSAN warning.
Link: https://lore.kernel.org/r/20200501134416.72248-5-efremov@linux.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Denis Efremov <efremov@linux.com>
Use FD_RAW_CMD_SIZE, FD_RAW_REPLY_SIZE defines instead of magic numbers
for cmd & reply buffers of struct floppy_raw_cmd. Remove local to
floppy.c MAX_REPLIES define, as it is now FD_RAW_REPLY_SIZE.
FD_RAW_CMD_FULLSIZE added as we allow command to also fill reply_count
and reply fields.
Link: https://lore.kernel.org/r/20200501134416.72248-4-efremov@linux.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Denis Efremov <efremov@linux.com>
Use FD_AUTODETECT_SIZE for autodetect buffer size in struct
floppy_drive_params instead of a magic number.
Link: https://lore.kernel.org/r/20200501134416.72248-3-efremov@linux.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Denis Efremov <efremov@linux.com>
Remove pr_cont() and use print_hex_dump() in setup_DMA() to print the
contents of the cmd buffer.
Link: https://lore.kernel.org/r/20200501134416.72248-2-efremov@linux.com
Suggested-by: Joe Perches <joe@perches.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Denis Efremov <efremov@linux.com>
When called with a negative drive value, set_fdc() would stick to the
current fdc (which was assumed to reflect the current_drive's FDC). We
do not need this anymore as the last call place with a negative value
was just addressed. Let's make this function always set both current_fdc
and current_drive so that there's no more ambiguity. A few comments
stating this were added to a few non-obvious places.
Link: https://lore.kernel.org/r/20200410101904.14652-3-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
This macro equals -1 and is used as an alternative for current_drive when
calling reschedule_timeout(), which in turn needs to remap it. This only
adds obfuscation, let's simply use current_drive.
Link: https://lore.kernel.org/r/20200410101904.14652-2-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
In floppy_resume() we don't properly reinitialize all FDCs, instead
we reinitialize the current FDC once per available FDC because value
-1 is passed to user_reset_fdc(). Let's simply save the current drive
and properly reinitialize each FDC.
Link: https://lore.kernel.org/r/20200410101904.14652-1-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
There's no need to iterate on current_fdc in do_floppy_init() anymore,
in the first case it's only used as an array index to access fdc_state[],
so let's get rid of this confusing assignment. The second case is a bit
trickier because user_reset_fdc() needs to already know current_fdc when
called with drive==-1 due to this call chain:
user_reset_fdc()
lock_fdc()
set_fdc()
drive<0 ==> new_fdc = current_fdc
Note that current_drive is not used in this code part and may even not
match a unit belonging to current_fdc. Instead of passing -1 we can
simply pass the first drive of the FDC being initialized, which is even
cleaner as it will allow the function chain above to consistently assign
both variables.
Link: https://lore.kernel.org/r/20200410093023.14499-1-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
The locking in the driver is far from being obvious, with unlocking
automatically happening at end of operations scheduled by interrupt,
especially for the error paths where one does not necessarily expect
that such an interrupt may be triggered. Let's add a few comments
about what to expect at certain places to avoid misdetecting bugs
which are not.
Link: https://lore.kernel.org/r/20200331094054.24441-24-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Both floppy_grab_irq_and_dma() and floppy_release_irq_and_dma() used to
iterate on the global variable while setting up or freeing resources.
Now that they exclusively rely on functions which take the fdc as an
argument, so let's not touch the global one anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-23-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc is passed in argument so that the function does not
use current_fdc anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-22-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the drive is passed in argument so that the function does not
use current_drive anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-21-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc and drive are passed in argument so that the function does
not use current_fdc nor current_drive anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-20-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc and drive are passed in argument so that the function does
not use current_fdc nor current_drive anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-19-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc is passed in argument so that the function does not
use current_fdc anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-18-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc is passed in argument so that the function does not
use current_fdc anymore.
It's worth noting that there's still a single raw_cmd pointer
specific to the current fdc. It may make sense to have one per
fdc in the future. In addition, cont->done() still relies on the
current drive and current raw_cmd.
Link: https://lore.kernel.org/r/20200331094054.24441-17-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc is passed in argument so that the function does not
use current_fdc anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-16-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc is passed in argument so that the function does not
use current_fdc anymore.
It's worth noting that there's still a single reply_buffer[] which
will store the result for the current fdc. It may or may not make
sense to implement one buffer per fdc in the future.
Link: https://lore.kernel.org/r/20200331094054.24441-15-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc is passed in argument so that the function does not
use current_fdc anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-14-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc is passed in argument so that the function does not
use current_fdc anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-13-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc is passed in argument so that the function does not
use current_fdc anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-12-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc is passed in argument so that the function does not
use current_fdc anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-11-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now the fdc and drive are passed in argument so that the function does
not use current_fdc nor current_drive anymore.
Link: https://lore.kernel.org/r/20200331094054.24441-10-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now we can use FD_STATUS and FD_DATA instead of 4 or 5, let's do
this, and also use STATUS_DMA and STATUS_READY for the status bits.
Link: https://lore.kernel.org/r/20200331094054.24441-9-w@1wt.eu
Cc: x86@kernel.org
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Now by splitting the base address from the register index we can
use the symbolic register names instead of the hard-coded numeric
values.
Link: https://lore.kernel.org/r/20200331094054.24441-8-w@1wt.eu
Cc: "David S. Miller" <davem@davemloft.net>
[willy: fix printk warnings s/%lx/%x/g in sun_82077_fd_{inb,outb}()]
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
