This function was never used upstream, and is a relic of the original
handhelds.org code the htc-egpio driver was based on.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190910141529.21030-1-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
No need to compare return value with 0. In case of non-zero
return value, the if condition will be true.
This makes intent a bit more clear to the reader.
"if (x) then", compared to "if (x is not zero) then".
Signed-off-by: Saiyam Doshi <saiyamdoshi.in@gmail.com>
Link: https://lore.kernel.org/r/20190907173910.GA9547@SD
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190906131032.22148-1-yuehaibing@huawei.com
Acked-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Change all exported symbols for managed GPIO functions from
EXPORT_SYMBOL() to EXPORT_SYMBOL_GPL(), like is used for their
non-managed counterparts.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190906084539.21838-5-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since commit 9a95e8d25a ("gpio: remove etraxfs driver"), there are
no more users of of_gpio_simple_xlate() outside gpiolib-of.c.
All GPIO drivers that need it now rely on of_gpiochip_add() setting it
up as the default translate function.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190906084539.21838-3-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since commit f626d6dfb7 ("gpio: of: Break out OF-only code"),
there are no more users of of_get_named_gpiod_flags() outside
gpiolib-of.c.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190906084539.21838-2-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The ast2600 is a new generation of SoC from ASPEED. Similarly to the
ast2400 and ast2500, it has a GPIO controller for it's 3.3V GPIO pins.
Additionally, it has a GPIO controller for 1.8V GPIO pins.
As the register names for both controllers are the same and the 36 1.8V
GPIOs and the first 36 of the 3.3V GPIOs are all bidirectional, we can
use the same configuration struct and use the ngpio property to
differentiate between the two sets of GPIOs.
Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Link: https://lore.kernel.org/r/20190906063737.15428-1-rashmica.g@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Use the ngpio property from the device tree if it exists. If it doesn't
then fallback to the hardcoded value in the config.
This is in preparation for adding ast2600 support. The ast2600 SoC has
two GPIO controllers and so requires two instances of the GPIO driver.
We use the ngpio property to different between them as they have
different numbers of GPIOs.
Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Link: https://lore.kernel.org/r/20190906062727.13521-1-rashmica.g@gmail.com
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This is in preparation for adding ast2600 support. The ast2600 SoC
requires two instances of the GPIO driver as it has two GPIO
controllers. Each instance needs it's own irqchip.
Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Link: https://lore.kernel.org/r/20190906062644.13445-1-rashmica.g@gmail.com
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The current calculation for the number of GPIO banks is only correct if
the number of GPIOs is a multiple of 32 (if there were 31 GPIOs we would
currently say there are 0 banks, which is incorrect).
Fixes: 361b79119a ('gpio: Add Aspeed driver')
Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20190906062623.13354-1-rashmica.g@gmail.com
Reviewed-by: Joel Stanley <joel@jms.d.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The ast2600 is a new generation of SoC from ASPEED. Similarly to the
ast2400 and ast2500, it has a GPIO controller for it's 3.3V GPIO pins.
Additionally, it has a GPIO controller for 36 1.8V GPIO pins. We use
the ngpio property to differentiate between these controllers.
Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Link: https://lore.kernel.org/r/20190906062547.13264-1-rashmica.g@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
After changing the valid_mask for the struct gpio_chip
to detect the need and presence of a valid mask with the
presence of a .init_valid_mask() callback to fill it in,
we augment the gpio_irq_chip to use the same logic.
Switch all driver using the gpio_irq_chio valid_mask
over to this new method.
This makes sure the valid_mask for the gpio_irq_chip gets
filled in when we add the gpio_chip, which makes it a
little easier to switch over drivers using the old
way of setting up gpio_irq_chip over to the new method
of passing the gpio_irq_chip along with the gpio_chip.
(See drivers/gpio/TODO for details.)
Cc: Joel Stanley <joel@jms.id.au>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Link: https://lore.kernel.org/r/20190904140104.32426-1-linus.walleij@linaro.org
It is not used outside gpiolib-acpi.c module, so there is no need to
export it.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20190904172624.GA76617@dtor-ws
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The clean up of IRQ chip initialization has been done in few drivers.
Stale record in MAINTAINERS database is removed.
The following is an automated git shortlog grouped by driver:
intel-mid:
- Pass irqchip when adding gpiochip
- MAINTAINERS: Remove stale record for gpio-intel-mid.c
lynxpoint:
- Pass irqchip when adding gpiochip
merrifield:
- Pass irqchip when adding gpiochip
pch:
- Use dev_get_drvdata
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Merge tag 'intel-gpio-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel into devel
intel-gpio for v5.4-1
The clean up of IRQ chip initialization has been done in few drivers.
Stale record in MAINTAINERS database is removed.
The following is an automated git shortlog grouped by driver:
intel-mid:
- Pass irqchip when adding gpiochip
- MAINTAINERS: Remove stale record for gpio-intel-mid.c
lynxpoint:
- Pass irqchip when adding gpiochip
merrifield:
- Pass irqchip when adding gpiochip
pch:
- Use dev_get_drvdata
The previous merge of v5.3-rc7 was struggle enough, now it
gave rise to new errors and now I fix those too.
Fixes: 151a41014b ("Merge tag 'v5.3-rc7' into devel")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The merge of two different patch sets cleaning around in the
main driver include file collided making the function
declarations for gpiochip_[un]lock_as_irq() be defined twice
when gpiolib was unselected. Fix it up.
Cc: YueHaibing <yuehaibing@huawei.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It is confusing to name return variables mixedly "status",
"err" or "ret". I just changed them all to "ret", by personal
preference, to lower cognitive stress.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20190716115854.12098-1-linus.walleij@linaro.org
It is confusing to name return variables mixedly "status",
"err" or "ret". I just changed them all to "ret", by personal
preference, to lower cognitive stress.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20190716091145.8235-1-linus.walleij@linaro.org
We need to convert all old gpio irqchips to pass the irqchip
setup along when adding the gpio_chip. For more info see
drivers/gpio/TODO.
For chained irqchips this is a pretty straight-forward
conversion.
Cc: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Thierry Reding <treding@nvidia.com>
Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20190812130000.22252-1-linus.walleij@linaro.org
- use a helper variable for &pdev->dev in gpio-em
- tweak the ifdefs in GPIO headers
- fix function links in HTML docs
- remove an unneeded error message from ixp4xx
- use the optional clk_get in gpio-mxc instead of checking the return value
- a couple improvements in pca953x
- allow to build gpio-lpc32xx on non-lpc32xx targets
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Merge tag 'gpio-v5.4-updates-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel
gpio: updates for v5.4
- use a helper variable for &pdev->dev in gpio-em
- tweak the ifdefs in GPIO headers
- fix function links in HTML docs
- remove an unneeded error message from ixp4xx
- use the optional clk_get in gpio-mxc instead of checking the return value
- a couple improvements in pca953x
- allow to build gpio-lpc32xx on non-lpc32xx targets
Here are some small char and misc driver fixes for reported issues for
5.3-rc7
Also included in here is the documentation for how we are handling
hardware issues under embargo that everyone has finally agreed on, as
well as a MAINTAINERS update for the suckers who agreed to handle the
LICENSES/ files.
All of these have been in linux-next last week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char and misc driver fixes for reported issues for
5.3-rc7
Also included in here is the documentation for how we are handling
hardware issues under embargo that everyone has finally agreed on, as
well as a MAINTAINERS update for the suckers who agreed to handle the
LICENSES/ files.
All of these have been in linux-next last week with no reported
issues"
* tag 'char-misc-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
fsi: scom: Don't abort operations for minor errors
vmw_balloon: Fix offline page marking with compaction
VMCI: Release resource if the work is already queued
Documentation/process: Embargoed hardware security issues
lkdtm/bugs: fix build error in lkdtm_EXHAUST_STACK
mei: me: add Tiger Lake point LP device ID
intel_th: pci: Add Tiger Lake support
intel_th: pci: Add support for another Lewisburg PCH
stm class: Fix a double free of stm_source_device
MAINTAINERS: add entry for LICENSES and SPDX stuff
fpga: altera-ps-spi: Fix getting of optional confd gpio
Here are some small USB fixes that have been in linux-next this past
week for 5.3-rc7
They fix the usual xhci, syzbot reports, and other small issues that
have come up last week.
All 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-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes that have been in linux-next this past
week for 5.3-rc7
They fix the usual xhci, syzbot reports, and other small issues that
have come up last week.
All have been in linux-next with no reported issues"
* tag 'usb-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: cdc-wdm: fix race between write and disconnect due to flag abuse
usb: host: xhci: rcar: Fix typo in compatible string matching
usb: host: xhci-tegra: Set DMA mask correctly
USB: storage: ums-realtek: Whitelist auto-delink support
USB: storage: ums-realtek: Update module parameter description for auto_delink_en
usb: host: ohci: fix a race condition between shutdown and irq
usb: hcd: use managed device resources
typec: tcpm: fix a typo in the comparison of pdo_max_voltage
usb-storage: Add new JMS567 revision to unusual_devs
usb: chipidea: udc: don't do hardware access if gadget has stopped
usbtmc: more sanity checking for packet size
usb: udc: lpc32xx: silence fall-through warning
Pull networking fixes from David Miller:
1) Fix some length checks during OGM processing in batman-adv, from
Sven Eckelmann.
2) Fix regression that caused netfilter conntrack sysctls to not be
per-netns any more. From Florian Westphal.
3) Use after free in netpoll, from Feng Sun.
4) Guard destruction of pfifo_fast per-cpu qdisc stats with
qdisc_is_percpu_stats(), from Davide Caratti. Similar bug is fixed
in pfifo_fast_enqueue().
5) Fix memory leak in mld_del_delrec(), from Eric Dumazet.
6) Handle neigh events on internal ports correctly in nfp, from John
Hurley.
7) Clear SKB timestamp in NF flow table code so that it does not
confuse fq scheduler. From Florian Westphal.
8) taprio destroy can crash if it is invoked in a failure path of
taprio_init(), because the list head isn't setup properly yet and
the list del is unconditional. Perform the list add earlier to
address this. From Vladimir Oltean.
9) Make sure to reapply vlan filters on device up, in aquantia driver.
From Dmitry Bogdanov.
10) sgiseeq driver releases DMA memory using free_page() instead of
dma_free_attrs(). From Christophe JAILLET.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (58 commits)
net: seeq: Fix the function used to release some memory in an error handling path
enetc: Add missing call to 'pci_free_irq_vectors()' in probe and remove functions
net: bcmgenet: use ethtool_op_get_ts_info()
tc-testing: don't hardcode 'ip' in nsPlugin.py
net: dsa: microchip: add KSZ8563 compatibility string
dt-bindings: net: dsa: document additional Microchip KSZ8563 switch
net: aquantia: fix out of memory condition on rx side
net: aquantia: linkstate irq should be oneshot
net: aquantia: reapply vlan filters on up
net: aquantia: fix limit of vlan filters
net: aquantia: fix removal of vlan 0
net/sched: cbs: Set default link speed to 10 Mbps in cbs_set_port_rate
taprio: Set default link speed to 10 Mbps in taprio_set_picos_per_byte
taprio: Fix kernel panic in taprio_destroy
net: dsa: microchip: fill regmap_config name
rxrpc: Fix lack of conn cleanup when local endpoint is cleaned up [ver #2]
net: stmmac: dwmac-rk: Don't fail if phy regulator is absent
amd-xgbe: Fix error path in xgbe_mod_init()
netfilter: nft_meta_bridge: Fix get NFT_META_BRI_IIFVPROTO in network byteorder
mac80211: Correctly set noencrypt for PAE frames
...
In commit 99cd149efe ("sgiseeq: replace use of dma_cache_wback_inv"),
a call to 'get_zeroed_page()' has been turned into a call to
'dma_alloc_coherent()'. Only the remove function has been updated to turn
the corresponding 'free_page()' into 'dma_free_attrs()'.
The error hndling path of the probe function has not been updated.
Fix it now.
Rename the corresponding label to something more in line.
Fixes: 99cd149efe ("sgiseeq: replace use of dma_cache_wback_inv")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull x86 fixes from Thomas Gleixner:
"A set of fixes for x86:
- Fix the bogus detection of 32bit user mode for uretprobes which
caused corruption of the user return address resulting in
application crashes. In the uprobes handler in_ia32_syscall() is
obviously always returning false on a 64bit kernel. Use
user_64bit_mode() instead which works correctly.
- Prevent large page splitting when ftrace flips RW/RO on the kernel
text which caused iTLB performance issues. Ftrace wants to be
converted to text_poke() which avoids the problem, but for now
allow large page preservation in the static protections check when
the change request spawns a full large page.
- Prevent arch_dynirq_lower_bound() from returning 0 when the IOAPIC
is configured via device tree. In the device tree case the GSI 1:1
mapping is meaningless therefore the lower bound which protects the
GSI range on ACPI machines is irrelevant. Return the lower bound
which the core hands to the function instead of blindly returning 0
which causes the core to allocate the invalid virtual interupt
number 0 which in turn prevents all drivers from allocating and
requesting an interrupt.
- Remove the bogus initialization of LDR and DFR in the 32bit bigsmp
APIC driver. That uses physical destination mode where LDR/DFR are
ignored, but the initialization and the missing clear of LDR caused
the APIC to be left in a inconsistent state on kexec/reboot.
- Clear LDR when clearing the APIC registers so the APIC is in a well
defined state.
- Initialize variables proper in the find_trampoline_placement()
code.
- Silence GCC( build warning for the real mode part of the build"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/cpa: Prevent large page split when ftrace flips RW on kernel text
x86/build: Add -Wnoaddress-of-packed-member to REALMODE_CFLAGS, to silence GCC9 build warning
x86/boot/compressed/64: Fix missing initialization in find_trampoline_placement()
x86/apic: Include the LDR when clearing out APIC registers
x86/apic: Do not initialize LDR and DFR for bigsmp
uprobes/x86: Fix detection of 32-bit user mode
x86/apic: Fix arch_dynirq_lower_bound() bug for DT enabled machines
Pull perf fixes from Thomas Gleixner:
"Two fixes for perf x86 hardware implementations:
- Restrict the period on Nehalem machines to prevent perf from
hogging the CPU
- Prevent the AMD IBS driver from overwriting the hardwre controlled
and pre-seeded reserved bits (0-6) in the count register which
caused a sample bias for dispatched micro-ops"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/amd/ibs: Fix sample bias for dispatched micro-ops
perf/x86/intel: Restrict period on Nehalem
Pull turbostat updates from Len Brown:
"User-space turbostat (and x86_energy_perf_policy) patches.
They are primarily bug fixes from users"
* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: update version number
tools/power turbostat: Add support for Hygon Fam 18h (Dhyana) RAPL
tools/power turbostat: Fix caller parameter of get_tdp_amd()
tools/power turbostat: Fix CPU%C1 display value
tools/power turbostat: do not enforce 1ms
tools/power turbostat: read from pipes too
tools/power turbostat: Add Ice Lake NNPI support
tools/power turbostat: rename has_hsw_msrs()
tools/power turbostat: Fix Haswell Core systems
tools/power turbostat: add Jacobsville support
tools/power turbostat: fix buffer overrun
tools/power turbostat: fix file descriptor leaks
tools/power turbostat: fix leak of file descriptor on error return path
tools/power turbostat: Make interval calculation per thread to reduce jitter
tools/power turbostat: remove duplicate pc10 column
tools/power x86_energy_perf_policy: Fix argument parsing
tools/power: Fix typo in man page
tools/power/x86: Enable compiler optimisations and Fortify by default
tools/power x86_energy_perf_policy: Fix "uninitialized variable" warnings at -O2
Call to 'pci_free_irq_vectors()' are missing both in the error handling
path of the probe function, and in the remove function.
Add them.
Fixes: 19971f5ea0 ("enetc: add PTP clock driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
This change enables the use of SW timestamping on the Raspberry Pi 4.
bcmgenet's transmit function bcmgenet_xmit() implements software
timestamping. However the SOF_TIMESTAMPING_TX_SOFTWARE capability was
missing and only SOF_TIMESTAMPING_RX_SOFTWARE was announced. By using
ethtool_ops bcmgenet_ethtool_ops() as get_ts_info(), the
SOF_TIMESTAMPING_TX_SOFTWARE capability is announced.
Similar to commit a8f5cb9e79 ("smsc95xx: use ethtool_op_get_ts_info()")
Signed-off-by: Ryan M. Collins <rmc032@bucknell.edu>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
the following tdc test fails on Fedora:
# ./tdc.py -e 2638
-- ns/SubPlugin.__init__
Test 2638: Add matchall and try to get it
-----> prepare stage *** Could not execute: "$TC qdisc add dev $DEV1 clsact"
-----> prepare stage *** Error message: "/bin/sh: ip: command not found"
returncode 127; expected [0]
-----> prepare stage *** Aborting test run.
Let nsPlugin.py use the 'IP' variable introduced with commit 92c1a19e2f
("tc-tests: added path to ip command in tdc"), so that the path to 'ip' is
correctly resolved to the value we have in tdc_config.py.
# ./tdc.py -e 2638
-- ns/SubPlugin.__init__
Test 2638: Add matchall and try to get it
All test results:
1..1
ok 1 2638 - Add matchall and try to get it
Fixes: 489ce2f425 ("tc-testing: Restore original behaviour for namespaces in tdc")
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Razvan Stefanescu says:
====================
net: dsa: microchip: add KSZ8563 support
This patchset adds compatibility string for the KSZ8563 switch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
It is a 3-Port 10/100 Ethernet Switch with 1588v2 PTP.
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It is a 3-Port 10/100 Ethernet Switch with 1588v2 PTP.
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Igor Russkikh says:
====================
net: aquantia: fixes on vlan filters and other conditions
Here is a set of various bug fixes related to vlan filter offload and
two other rare cases.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
On embedded environments with hard memory limits it is a normal although
rare case when skb can't be allocated on rx part under high traffic.
In such OOM cases napi_complete_done() was not called.
So the napi object became in an invalid state like it is "scheduled".
Kernel do not re-schedules the poll of that napi object.
Consequently, kernel can not remove that object the system hangs on
`ifconfig down` waiting for a poll.
We are fixing this by gracefully closing napi poll routine with correct
invocation of napi_complete_done.
This was reproduced with artificially failing the allocation of skb to
simulate an "out of memory" error case and check that traffic does
not get stuck.
Fixes: 970a2e9864 ("net: ethernet: aquantia: Vector operations")
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Declaring threaded irq handler should also indicate the irq is
oneshot. It is oneshot indeed, because HW implements irq automasking
on trigger.
Not declaring this causes some kernel configurations to fail
on interface up, because request_threaded_irq returned an err code.
The issue was originally hidden on normal x86_64 configuration with
latest kernel, because depending on interrupt controller, irq driver
added ONESHOT flag on its own.
Issue was observed on older kernels (4.14) where no such logic exists.
Fixes: 4c83f170b3 ("net: aquantia: link status irq handling")
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Reported-by: Michael Symolkin <Michael.Symolkin@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case of device reconfiguration the driver may reset the device invisible
for other modules, vlan module in particular. So vlans will not be
removed&created and vlan filters will not be configured in the device.
The patch reapplies the vlan filters at device start.
Fixes: 7975d2aff5 ("net: aquantia: add support of rx-vlan-filter offload")
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a limit condition of vlans on the interface before setting vlan
promiscuous mode
Fixes: 48dd73d08d ("net: aquantia: fix vlans not working over bridged network")
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Due to absence of checking against the rx flow rule when vlan 0 is being
removed, the other rule could be removed instead of the rule with vlan 0
Fixes: 7975d2aff5 ("net: aquantia: add support of rx-vlan-filter offload")
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vladimir Oltean says:
====================
Fix issues in tc-taprio and tc-cbs
This series fixes one panic and one WARN_ON found in the tc-taprio
qdisc, while trying to apply it:
- On an interface which is not multi-queue
- On an interface which has no carrier
The tc-cbs was also visually found to suffer of the same issue as
tc-taprio, and the fix was only compile-tested in that case.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The discussion to be made is absolutely the same as in the case of
previous patch ("taprio: Set default link speed to 10 Mbps in
taprio_set_picos_per_byte"). Nothing is lost when setting a default.
Cc: Leandro Dorileo <leandro.maciel.dorileo@intel.com>
Fixes: e0a7683d30 ("net/sched: cbs: fix port_rate miscalculation")
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The taprio budget needs to be adapted at runtime according to interface
link speed. But that handling is problematic.
For one thing, installing a qdisc on an interface that doesn't have
carrier is not illegal. But taprio prints the following stack trace:
[ 31.851373] ------------[ cut here ]------------
[ 31.856024] WARNING: CPU: 1 PID: 207 at net/sched/sch_taprio.c:481 taprio_dequeue+0x1a8/0x2d4
[ 31.864566] taprio: dequeue() called with unknown picos per byte.
[ 31.864570] Modules linked in:
[ 31.873701] CPU: 1 PID: 207 Comm: tc Not tainted 5.3.0-rc5-01199-g8838fe023cd6 #1689
[ 31.881398] Hardware name: Freescale LS1021A
[ 31.885661] [<c03133a4>] (unwind_backtrace) from [<c030d8cc>] (show_stack+0x10/0x14)
[ 31.893368] [<c030d8cc>] (show_stack) from [<c10ac958>] (dump_stack+0xb4/0xc8)
[ 31.900555] [<c10ac958>] (dump_stack) from [<c0349d04>] (__warn+0xe0/0xf8)
[ 31.907395] [<c0349d04>] (__warn) from [<c0349d64>] (warn_slowpath_fmt+0x48/0x6c)
[ 31.914841] [<c0349d64>] (warn_slowpath_fmt) from [<c0f38db4>] (taprio_dequeue+0x1a8/0x2d4)
[ 31.923150] [<c0f38db4>] (taprio_dequeue) from [<c0f227b0>] (__qdisc_run+0x90/0x61c)
[ 31.930856] [<c0f227b0>] (__qdisc_run) from [<c0ec82ac>] (net_tx_action+0x12c/0x2bc)
[ 31.938560] [<c0ec82ac>] (net_tx_action) from [<c0302298>] (__do_softirq+0x130/0x3c8)
[ 31.946350] [<c0302298>] (__do_softirq) from [<c03502a0>] (irq_exit+0xbc/0xd8)
[ 31.953536] [<c03502a0>] (irq_exit) from [<c03a4808>] (__handle_domain_irq+0x60/0xb4)
[ 31.961328] [<c03a4808>] (__handle_domain_irq) from [<c0754478>] (gic_handle_irq+0x58/0x9c)
[ 31.969638] [<c0754478>] (gic_handle_irq) from [<c0301a8c>] (__irq_svc+0x6c/0x90)
[ 31.977076] Exception stack(0xe8167b20 to 0xe8167b68)
[ 31.982100] 7b20: e9d4bd80 00000cc0 000000cf 00000000 e9d4bd80 c1f38958 00000cc0 c1f38960
[ 31.990234] 7b40: 00000001 000000cf 00000004 e9dc0800 00000000 e8167b70 c0f478ec c0f46d94
[ 31.998363] 7b60: 60070013 ffffffff
[ 32.001833] [<c0301a8c>] (__irq_svc) from [<c0f46d94>] (netlink_trim+0x18/0xd8)
[ 32.009104] [<c0f46d94>] (netlink_trim) from [<c0f478ec>] (netlink_broadcast_filtered+0x34/0x414)
[ 32.017930] [<c0f478ec>] (netlink_broadcast_filtered) from [<c0f47cec>] (netlink_broadcast+0x20/0x28)
[ 32.027102] [<c0f47cec>] (netlink_broadcast) from [<c0eea378>] (rtnetlink_send+0x34/0x88)
[ 32.035238] [<c0eea378>] (rtnetlink_send) from [<c0f25890>] (notify_and_destroy+0x2c/0x44)
[ 32.043461] [<c0f25890>] (notify_and_destroy) from [<c0f25e08>] (qdisc_graft+0x398/0x470)
[ 32.051595] [<c0f25e08>] (qdisc_graft) from [<c0f27a00>] (tc_modify_qdisc+0x3a4/0x724)
[ 32.059470] [<c0f27a00>] (tc_modify_qdisc) from [<c0ee4c84>] (rtnetlink_rcv_msg+0x260/0x2ec)
[ 32.067864] [<c0ee4c84>] (rtnetlink_rcv_msg) from [<c0f4a988>] (netlink_rcv_skb+0xb8/0x110)
[ 32.076172] [<c0f4a988>] (netlink_rcv_skb) from [<c0f4a170>] (netlink_unicast+0x1b4/0x22c)
[ 32.084392] [<c0f4a170>] (netlink_unicast) from [<c0f4a5e4>] (netlink_sendmsg+0x33c/0x380)
[ 32.092614] [<c0f4a5e4>] (netlink_sendmsg) from [<c0ea9f40>] (sock_sendmsg+0x14/0x24)
[ 32.100403] [<c0ea9f40>] (sock_sendmsg) from [<c0eaa780>] (___sys_sendmsg+0x214/0x228)
[ 32.108279] [<c0eaa780>] (___sys_sendmsg) from [<c0eabad0>] (__sys_sendmsg+0x50/0x8c)
[ 32.116068] [<c0eabad0>] (__sys_sendmsg) from [<c0301000>] (ret_fast_syscall+0x0/0x54)
[ 32.123938] Exception stack(0xe8167fa8 to 0xe8167ff0)
[ 32.128960] 7fa0: b6fa68c8 000000f8 00000003 bea142d0 00000000 00000000
[ 32.137093] 7fc0: b6fa68c8 000000f8 0052154c 00000128 5d6468a2 00000000 00000028 00558c9c
[ 32.145224] 7fe0: 00000070 bea14278 00530d64 b6e17e64
[ 32.150659] ---[ end trace 2139c9827c3e5177 ]---
This happens because the qdisc ->dequeue callback gets called. Which
again is not illegal, the qdisc will dequeue even when the interface is
up but doesn't have carrier (and hence SPEED_UNKNOWN), and the frames
will be dropped further down the stack in dev_direct_xmit().
And, at the end of the day, for what? For calculating the initial budget
of an interface which is non-operational at the moment and where frames
will get dropped anyway.
So if we can't figure out the link speed, default to SPEED_10 and move
along. We can also remove the runtime check now.
Cc: Leandro Dorileo <leandro.maciel.dorileo@intel.com>
Fixes: 7b9eba7ba0 ("net/sched: taprio: fix picos_per_byte miscalculation")
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
taprio_init may fail earlier than this line:
list_add(&q->taprio_list, &taprio_list);
i.e. due to the net device not being multi queue.
Attempting to remove q from the global taprio_list when it is not part
of it will result in a kernel panic.
Fix it by matching list_add and list_del better to one another in the
order of operations. This way we can keep the deletion unconditional
and with lower complexity - O(1).
Cc: Leandro Dorileo <leandro.maciel.dorileo@intel.com>
Fixes: 7b9eba7ba0 ("net/sched: taprio: fix picos_per_byte miscalculation")
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the register value width as the regmap_config name to prevent the
following error when the second and third regmap_configs are
initialized.
"debugfs: Directory '${bus-id}' with parent 'regmap' already present!"
Signed-off-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Fix OGM and OGMv2 header read boundary check,
by Sven Eckelmann (2 patches)
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Merge tag 'batadv-net-for-davem-20190830' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
Here are two batman-adv bugfixes:
- Fix OGM and OGMv2 header read boundary check,
by Sven Eckelmann (2 patches)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 9392bd98bb ("tools/power turbostat: Add support for AMD
Fam 17h (Zen) RAPL") and the commit 3316f99a9f ("tools/power
turbostat: Also read package power on AMD F17h (Zen)") add AMD Fam 17h
RAPL support.
Hygon Family 18h(Dhyana) support RAPL in bit 14 of CPUID 0x80000007 EDX,
and has MSRs RAPL_PWR_UNIT/CORE_ENERGY_STAT/PKG_ENERGY_STAT. So add Hygon
Dhyana Family 18h support for RAPL.
Already tested on Hygon multi-node systems and it shows correct per-core
energy usage and the total package power.
Signed-off-by: Pu Wen <puwen@hygon.cn>
Reviewed-by: Calvin Walton <calvin.walton@kepstin.ca>
Signed-off-by: Len Brown <len.brown@intel.com>
Geert Uytterhoeven