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Commit 69e1601bca88809dc118abd1becb02c15a02ec71
"gpiolib: provide provision to register pin ranges"
Got most of it's function prototypes wrong, so fix this up by:
- Moving the void declarations into static inlines in
<linux/gpio.h> (previously the actual prototypes were declared
here...)
- Declare the gpiochip_add_pin_range() and
gpiochip_remove_pin_ranges() functions in <asm-generic/gpio.h>
together with the pin range struct declaration itself.
- Actually only implement these very functions in gpiolib.c
if CONFIG_PINCTRL is set.
- Additionally export the symbols since modules will need to
be able to do this.
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Staticize sirfsoc_gpio_irq_map() function.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Staticize u300_pin_config_get() and u300_pin_config_set() functions.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This converts the U300 pin controller to use managed resources
(devm_*) for it's memory region.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This switches the COH 901 pin controller to use managed
resources (devm_*) for memory remaps, clocks, etc.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This switches the COH 901 pinctrl driver to allocate its GPIO
IRQs dynamically, and start to use a linear irqdomain to map
from the hardware IRQs.
This way we can cut away the complex allocation of IRQ numbers
from the <mach/irqs.h> file.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The U300 IRQs were bumped once to offset to 1 (in order to avoid
using IRQ 0 which is now NO_IRQ). This was OK as we were still
passing the number of irqs in the .nr_irqs field of the machine,
with descriptors allocated at boot time.
However .nr_irqs should be 0, leading the system to reserve the
first 16 IRQs. Then the VIC driver will complain that IRQs 1
thru 15 are pre-allocated, so to avoid this and use free
descriptors, move all IRQs up to offset 32.
This will all be done away with as we migrate to device tree,
so it is an interim solution.
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Most of SPEAr SoCs, which support pinctrl, can configure & use
pads as gpio. This patch adds plgpio driver for configuring
these pads as gpio.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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pinctrl subsystem needs gpio chip base to prepare set of gpio
pin ranges, which a given pinctrl driver can handle. This is
important to handle pinctrl gpio request calls in order to
program a given pin properly for gpio operation.
As gpio base is allocated dynamically during gpiochip
registration, presently there exists no clean way to pass this
information to the pinctrl subsystem.
After few discussions from [1], it was concluded that may be
gpio controller reporting the pin range it supports, is a
better way than pinctrl subsystem directly registering it.
[1] http://comments.gmane.org/gmane.linux.ports.arm.kernel/184816
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
[Edited documentation a bit]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This reverts earlier commit which removed
pinctrl_remove_gpio_range(), because at that time there
weren't any more users of that routine. It was removed as the
removal of ranges was done in unregister of pinctrl.
But as we are now registering stuff from gpiolib, we may
remove and insert a gpio module multiple times. So, we
need this routine again.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The of_device_id table is supposed to be zero-terminated.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The driver supports old up SiRFprimaII SoCs, this patch makes it support
the new SiRFmarco as well.
SiRFmarco, as a SMP SoC, adds new SIRFSOC_GPIO_PAD_EN_CLR registers, to
disable GPIO pad, we should write 1 to the corresponding bit in the new
CLEAR register instead of writing 0 to SIRFSOC_GPIO_PAD_EN.
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Like the spear platform, the mvebu platform has multiple files: one
core file, and then one file per SoC family. More files will be added
later, as support for mach-orion5x and mach-mv78xx0 SoCs is added to
pinctrl-mvebu. For those reasons, having a separate subdirectory,
drivers/pinctrl/mvebu/ makes sense, and it had already been suggested
by Linus Wallej when the driver was originally submitted.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Including the core.h header for the pinctrl subsystem is not
necessary, and it is actually causing problems when moving the
pinctrl-mvebu drivers into a separate subdirectory.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The mach-kirkwood and mach-dove architectures have not yet been
integrated into the mach-mvebu directory, which should ultimately
contain the support for all Marvell SoCs from the Engineering Business
Unit.
However, before this can happen, we need to let mach-kirkwood and
mach-dove use the pinctrl-mvebu driver, which supports the kirkwood
and dove SoC families. In order to do that, we make this driver
available as soon as PLAT_ORION is selected, instead of using
ARCH_MVEBU as a condition. In the long term, PLAT_ORION should
disappear and be fully replaced by ARCH_MVEBU, but the plan is to make
the migration step by step, by first having the existing mach-*
directories for Marvell SoCs converge on several infrastructures,
including the pinctrl one.
Also, like the spear pinctrl driver, we put all pinctrl-mvebu Kconfig
options under a if, in order to avoid having certain options
(PINCTRL_DOVE, PINCTRL_KIRKWOOD, etc.) selecting an option
(PINCTLR_MVEBU) which itself has a dependency (on ARCH_MVEBU). In this
a construct, the dependency is in fact ignored due to the selects.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This switches the way that pins are reserved for multiplexing:
We used to do this when the map was parsed, at the creation of
the settings inside the pinctrl handle, in pinmux_map_to_setting().
However this does not work for us, because we want to use the
same set of pins with different devices at different times: the
current code assumes that the pin groups in a pinmux state will
only be used with one single device, albeit different groups can
be active at different times. For example if a single I2C driver
block is used to drive two different busses located on two
pin groups A and B, then the pins for all possible states of a
function are reserved when fetching the pinctrl handle: the
I2C bus can choose either set A or set B by a mux state at
runtime, but all pins in both group A and B (the superset) are
effectively reserved for that I2C function and mapped to the
device. Another device can never get in and use the pins in
group A, even if the device/function is using group B at the
moment.
Instead: let use reserve the pins when the state is activated
and drop them when the state is disabled, i.e. when we move to
another state. This way different devices/functions can use the
same pins at different times.
We know that this is an odd way of doing things, but we really
need to switch e.g. an SD-card slot to become a tracing output
sink at runtime: we plug in a special "tracing card" then mux
the pins that used to be an SD slot around to the tracing
unit and push out tracing data there instead of SD-card
traffic.
As a side effect pinmux_free_setting() is unused but the stubs
are kept for future additions of code.
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Loic Pallardy <loic.pallardy@st.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Jean Nicolas Graux <jean-nicolas.graux@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The used vendor prefix corresponds to the stock symbol (ONNN) for ON
Semiconductor Corp.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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The root node path must be internally converted to "/", or various
pieces of code looking for it that way will fail. The code to do
that however had a bug where we might incorrectly append pieces
of the original path from the fdt to the "/".
We should probably add a proper dedicated accessor for the root node
but in the meantime this patch should fix it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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Pull networking fixes from David Miller:
"Bug fixes galore, mostly in drivers as is often the case:
1) USB gadget and cdc_eem drivers need adjustments to their frame size
lengths in order to handle VLANs correctly. From Ian Coolidge.
2) TIPC and several network drivers erroneously call tasklet_disable
before tasklet_kill, fix from Xiaotian Feng.
3) r8169 driver needs to apply the WOL suspend quirk to more chipsets,
fix from Cyril Brulebois.
4) Fix multicast filters on RTL_GIGA_MAC_VER_35 r8169 chips, from
Nathan Walp.
5) FDB netlink dumps should use RTM_NEWNEIGH as the message type, not
zero. From John Fastabend.
6) Fix smsc95xx tx checksum offload on big-endian, from Steve
Glendinning.
7) __inet_diag_dump() needs to repsect and report the error value
returned from inet_diag_lock_handler() rather than ignore it.
Otherwise if an inet diag handler is not available for a particular
protocol, we essentially report success instead of giving an error
indication. Fix from Cyrill Gorcunov.
8) When the QFQ packet scheduler sees TSO/GSO packets it does not
handle things properly, and in fact ends up corrupting it's
datastructures as well as mis-schedule packets. Fix from Paolo
Valente.
9) Fix oopser in skb_loop_sk(), from Eric Leblond.
10) CXGB4 passes partially uninitialized datastructures in to FW
commands, fix from Vipul Pandya.
11) When we send unsolicited ipv6 neighbour advertisements, we should
send them to the link-local allnodes multicast address, as per
RFC4861. Fix from Hannes Frederic Sowa.
12) There is some kind of bug in the usbnet's kevent deferral
mechanism, but more immediately when it triggers an uncontrolled
stream of kernel messages spam the log. Rate limit the error log
message triggered when this problem occurs, as sending thousands
of error messages into the kernel log doesn't help matters at all,
and in fact makes further diagnosis more difficult.
From Steve Glendinning.
13) Fix gianfar restore from hibernation, from Wang Dongsheng.
14) The netlink message attribute sizes are wrong in the ipv6 GRE
driver, it was using the size of ipv4 addresses instead of ipv6
ones :-) Fix from Nicolas Dichtel."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
gre6: fix rtnl dump messages
gianfar: ethernet vanishes after restoring from hibernation
usbnet: ratelimit kevent may have been dropped warnings
ipv6: send unsolicited neighbour advertisements to all-nodes
net: usb: cdc_eem: Fix rx skb allocation for 802.1Q VLANs
usb: gadget: g_ether: fix frame size check for 802.1Q
cxgb4: Fix initialization of SGE_CONTROL register
isdn: Make CONFIG_ISDN depend on CONFIG_NETDEVICES
cxgb4: Initialize data structures before using.
af-packet: fix oops when socket is not present
pkt_sched: enable QFQ to support TSO/GSO
net: inet_diag -- Return error code if protocol handler is missed
net: bnx2x: Fix typo in bnx2x driver
smsc95xx: fix tx checksum offload for big endian
rtnetlink: Use nlmsg type RTM_NEWNEIGH from dflt fdb dump
ptp: update adjfreq callback description
r8169: allow multicast packets on sub-8168f chipset.
r8169: Fix WoL on RTL8168d/8111d.
drivers/net: use tasklet_kill in device remove/close process
tipc: do not use tasklet_disable before tasklet_kill
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Pull sparc fixes from David Miller:
"Several build/bug fixes for sparc, including:
1) Configuring a mix of static vs. modular sparc64 crypto modules
didn't work, remove an ill-conceived attempt to only have to build
the device match table for these drivers once to fix the problem.
Reported by Meelis Roos.
2) Make the montgomery multiple/square and mpmul instructions actually
usable in 32-bit tasks. Essentially this involves providing 32-bit
userspace with a way to use a 64-bit stack when it needs to.
3) Our sparc64 atomic backoffs don't yield cpu strands properly on
Niagara chips. Use pause instruction when available to achieve
this, otherwise use a benign instruction we know blocks the strand
for some time.
4) Wire up kcmp
5) Fix the build of various drivers by removing the unnecessary
blocking of OF_GPIO when SPARC.
6) Fix unintended regression wherein of_address_to_resource stopped
being provided. Fix from Andreas Larsson.
7) Fix NULL dereference in leon_handle_ext_irq(), also from Andreas
Larsson."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix build with mix of modular vs. non-modular crypto drivers.
sparc: Support atomic64_dec_if_positive properly.
of/address: sparc: Declare of_address_to_resource() as an extern function for sparc again
sparc32, leon: Check for existent irq_map entry in leon_handle_ext_irq
sparc: Add sparc support for platform_get_irq()
sparc: Allow OF_GPIO on sparc.
qlogicpti: Fix build warning.
sparc: Wire up sys_kcmp.
sparc64: Improvde documentation and readability of atomic backoff code.
sparc64: Use pause instruction when available.
sparc64: Fix cpu strand yielding.
sparc64: Make montmul/montsqr/mpmul usable in 32-bit threads.
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Fixes more wifi status skb leaks, leading to hostapd/wpa_supplicant hangs.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Fixes new kernel-doc warning in input-mt.c:
Warning(drivers/input/input-mt.c:38): No description found for parameter
'flags'
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull cifs fixes from Jeff Layton.
* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Do not lookup hashed negative dentry in cifs_atomic_open
cifs: fix potential buffer overrun in cifs.idmap handling code
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git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull arm64 fixes from Catalin Marinas:
- correct argument type (pgprot_t) when calling __ioremap()
- PCI_IOBASE virtual address change
- use architected event for CPU cycle counter
- fix ELF core dumping
- select CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
- missing completion for secondary CPU boot
- booting on systems with all memory beyond 4GB
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
arm64: mm: fix booting on systems with no memory below 4GB
arm64: smp: add missing completion for secondary boot
arm64: compat: select CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
arm64: elf: fix core dumping definitions for GP and FP registers
arm64: perf: use architected event for CPU cycle counter
arm64: Move PCI_IOBASE closer to MODULES_VADDR
arm64: Use pgprot_t as the last argument when invoking __ioremap()
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen fixes from Konrad Rzeszutek Wilk:
"There are three ARM compile fixes (we forgot to export certain
functions and if the drivers are built as an module - we go belly-up).
There is also an mismatch of irq_enter() / exit_idle() calls sequence
which were fixed some time ago in other piece of codes, but failed to
appear in the Xen code.
Lastly a fix for to help in the field with troubleshooting in case we
cannot get the appropriate parameter and also fallback code when
working with very old hypervisors."
Bug-fixes:
- Fix compile issues on ARM.
- Fix hypercall fallback code for old hypervisors.
- Print out which HVM parameter failed if it fails.
- Fix idle notifier call after irq_enter.
* tag 'stable/for-linus-3.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/arm: Fix compile errors when drivers are compiled as modules (export more).
xen/arm: Fix compile errors when drivers are compiled as modules.
xen/generic: Disable fallback build on ARM.
xen/events: fix RCU warning, or Call idle notifier after irq_enter()
xen/hvm: If we fail to fetch an HVM parameter print out which flag it is.
xen/hypercall: fix hypercall fallback code for very old hypervisors
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We tried linking in a single built object to hold the device table,
but only works if all of the sparc64 crypto modules get built the same
way (modular vs. non-modular).
Just include the device ID stub into each driver source file so that
the table gets compiled into the correct result in all cases.
Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sparc32 already supported it, as a consequence of using the
generic atomic64 implementation. And the sparc64 implementation
is rather trivial.
This allows us to set ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE for all
of sparc, and avoid the annoying warning from lib/atomic64_test.c
Signed-off-by: David S. Miller <davem@davemloft.net>
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At the same time the prcc bit for the kclk is corrected to
bit 8 instead of 3.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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This patch adds some additional handling for the SDMMC special case
in round_rate and set_rate which results in invalid divisor messages
at boot time.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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In case of error, the function clk_register_fixed_rate() returns
ERR_PTR() and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Using the armss clk to update the frequency makes the driver no more
directly dependant on the prmcu API.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The new armss clk is a prcmu_scalable_rate clk which represents
the ARMSS clk. This then makes it possible to convert the smp_twd
clk to a fixed factor clock type, using a fixed divider of 2 and
with the armss clk as parent.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The prcmu_scalable_rate clock can change rate but is not gateable.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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ARMSS clk directly maps it's frequency towards the cpufreq table.
To be able to update the ARMSS clk rate, a new set_rate function for
the ARMSS clk is added, which also will trigger a corresponding ARM
OPP request. Additionally an ARMSS clk round_rate function is added
to fetch valid cpufreq frequencies.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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By fetching the table as platform data we do not need the internally
hardcoded cpufreq table anymore.
Moreover the corresponding arm_opp idx2opp table, used for mapping
frequency to correct opp bits is also removed. This due to that the
opp bits is put directly in the index field of the cpufreq table.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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To fetch the mfd child device we register the cpufreq driver
as a platform driver.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The cpufreq table needs dynamically update due to what the PRCMU
firmware is supporting. The table is then provided through to the
mfd child device as platform data.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The cpufreq device is already added from the prcmu driver as
a mfd child device.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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for sparc again
This bug-fix makes sure that of_address_to_resource is defined extern for sparc
so that the sparc-specific implementation of of_address_to_resource() is once
again used when including include/linux/of_address.h in a sparc context. A
number of drivers in mainline relies on this function working for sparc.
The bug was introduced in a850a7554442f08d3e910c6eeb4ee216868dda1e, "of/address:
add empty static inlines for !CONFIG_OF". Contrary to that commit title, the
static inlines are added for !CONFIG_OF_ADDRESS, and CONFIG_OF_ADDRESS is never
defined for sparc. This is good behavior for the other functions in
include/linux/of_address.h, as the extern functions defined in
drivers/of/address.c only gets linked when OF_ADDRESS is configured. However,
for of_address_to_resource there exists a sparc-specific implementation in
arch/sparc/arch/sparc/kernel/of_device_common.c
Solution suggested by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If an irq is being unlinked concurrently with leon_handle_ext_irq,
irq_map[eirq] might be null in leon_handle_ext_irq. Make sure that
this is not dereferenced.
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds sparc support for platform_get_irq that in the normal case use
platform_get_resource() to get an irq. This standard approach fails for sparc as
there are no resources of type IORESOURCE_IRQ for irqs for sparc.
Cross platform drivers can then use this standard platform function and work on
sparc instead of having to have a special case for sparc.
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Spotted after a code review.
Introduced by c12b395a46646bab69089ce7016ac78177f6001f (gre: Support GRE over
IPv6).
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a gianfar ethernet device is down prior to hibernating a
system, it will no longer be present upon system restore.
For example:
~# ifconfig eth0 down
~# echo disk > /sys/power/state
<trigger a restore from hibernation>
~# ifconfig eth0 up
SIOCSIFFLAGS: No such device
This happens because the restore function bails out early upon
finding devices that were not up at hibernation. In doing so,
it never gets to the netif_device_attach call at the end of
the restore function. Adding the netif_device_attach as done
here also makes the gfar_restore code consistent with what is
done in the gfar_resume code.
Cc: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when something goes wrong, a flood of these messages can be
generated by usbnet (thousands per second). This doesn't
generally *help* the condition so this patch ratelimits the
rate of their generation.
There's an underlying problem in usbnet's kevent deferral
mechanism which needs fixing, specifically that events *can*
get dropped and not handled. This patch doesn't address this,
but just mitigates fallout caused by the current implemention.
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As documented in RFC4861 (Neighbor Discovery for IP version 6) 7.2.6.,
unsolicited neighbour advertisements should be sent to the all-nodes
multicast address.
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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