Iyappan Subramanian says:
====================
drivers: net: xgene: Fix backward compatibility of newer firmware with older kernel
Kernel 3.17 driver supports only RGMII ethernet interface.
Since the Tianocore DT contains same compatibility string for RGMII,
SGMII based 1G and XFI based 10G interfaces, crash happens when probe called
on SGMII based 1G and XFI based 10G interface.
This patch fixes the backward compatibility of the older driver with the
newer firmware by making the binding unique so that the older driver won't
recognize the non-supported interfaces.
v2: Address comments from v1
* updated cover letter subject line with net: xgene
* Documentation: formatted compatible string values as list
v1:
* Initial version
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the backward compatibile of the older driver with the
newer firmware by making the binding unique so that the older driver won't
recognize the non-supported interfaces.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
Tested-by: Mark Langsdorf <mlangsdo@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the backward compatibility of the older driver with the
newer firmware by making the binding unique so that the older driver won't
recognize the non-supported interfaces.
The new bindings are in sync with the newer firmware.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
Tested-by: Mark Langsdorf <mlangsdo@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
Tested-by: Mark Langsdorf <mlangsdo@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1. For an IPv4 ping socket, ping_check_bind_addr does not check
the family of the socket address that's passed in. Instead,
make it behave like inet_bind, which enforces either that the
address family is AF_INET, or that the family is AF_UNSPEC and
the address is 0.0.0.0.
2. For an IPv6 ping socket, ping_check_bind_addr returns EINVAL
if the socket family is not AF_INET6. Return EAFNOSUPPORT
instead, for consistency with inet6_bind.
3. Make ping_v4_sendmsg and ping_v6_sendmsg return EAFNOSUPPORT
instead of EINVAL if an incorrect socket address structure is
passed in.
4. Make IPv6 ping sockets be IPv6-only. The code does not support
IPv4, and it cannot easily be made to support IPv4 because
the protocol numbers for ICMP and ICMPv6 are different. This
makes connect(::ffff:192.0.2.1) fail with EAFNOSUPPORT instead
of making the socket unusable.
Among other things, this fixes an oops that can be triggered by:
int s = socket(AF_INET, SOCK_DGRAM, IPPROTO_ICMP);
struct sockaddr_in6 sin6 = {
.sin6_family = AF_INET6,
.sin6_addr = in6addr_any,
};
bind(s, (struct sockaddr *) &sin6, sizeof(sin6));
Change-Id: If06ca86d9f1e4593c0d6df174caca3487c57a241
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case there was some tx buffer reclaimed and not enough rx packets
to consume the whole budget, napi_complete would not be called and
interrupts would be kept disabled, effectively resulting in the
network core never to call the poll callback again and no rx/tx
interrupts to be fired either.
Fix that by only accounting the rx work done in the poll callback.
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently we're getting IRQs after lots of resources are already
allocated:
* netdev
* clocks
* MDIO bus
Also HW gets initialized by the time when checking IRQs as well.
Now there's a possibility for master interrupt controller to be not
probed yet. This will lead to exit from GMAC probe routine with "-
EPROBE_DEFER" and so deferred probe will hapen later on.
But since we exited the first GMAC probe without release of all
allocated resources there could be conflicts on subsequent probes.
For example this is what happens for me:
--->8---
stmmaceth e0018000.ethernet: no reset control found
stmmac - user ID: 0x10, Synopsys ID: 0x37
Ring mode enabled
DMA HW capability register supported
Normal descriptors
RX Checksum Offload Engine supported (type 2)
TX Checksum insertion supported
Enable RX Mitigation via HW Watchdog Timer
libphy: stmmac: probed
eth0: PHY ID 20005c7a at 1 IRQ POLL (stmmac-0:01) active
platform e0018000.ethernet: Driver stmmaceth requests probe deferral
...
...
...
stmmaceth e0018000.ethernet: no reset control found
stmmac - user ID: 0x10, Synopsys ID: 0x37
Ring mode enabled
DMA HW capability register supported
Normal descriptors
RX Checksum Offload Engine supported (type 2)
TX Checksum insertion supported
Enable RX Mitigation via HW Watchdog Timer
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x4e/0x68()
sysfs: cannot create duplicate filename
'/devices/platform/axs10x_mb/e0018000.ethernet/mdio_bus/stmmac-0'
CPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 4.0.0-rc1-next-20150303+#8
Workqueue: deferwq deferred_probe_work_func
Stack Trace:
arc_unwind_core+0xb8/0x114
warn_slowpath_common+0x5a/0x8c
warn_slowpath_fmt+0x2e/0x38
sysfs_warn_dup+0x4e/0x68
sysfs_create_dir_ns+0x98/0xa0
kobject_add_internal+0x8c/0x2e8
kobject_add+0x4a/0x8c
device_add+0xc6/0x448
mdiobus_register+0x6c/0x164
stmmac_mdio_register+0x112/0x264
stmmac_dvr_probe+0x6c0/0x85c
stmmac_pltfr_probe+0x2e4/0x50c
platform_drv_probe+0x26/0x5c
really_probe+0x76/0x1dc
bus_for_each_drv+0x42/0x7c
device_attach+0x64/0x6c
bus_probe_device+0x74/0xa4
deferred_probe_work_func+0x50/0x84
process_one_work+0xf8/0x2cc
worker_thread+0x110/0x478
kthread+0x8a/0x9c
ret_from_fork+0x14/0x18
---[ end trace a2dfaa7d630c8be1 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6 at lib/kobject.c:240
kobject_add_internal+0x218/0x2e8()
kobject_add_internal failed for stmmac-0 with -EEXIST, don't try to
register things with the same name in the same di.
CPU: 0 PID: 6 Comm: kworker/u2:0 Tainted: G W
4.0.0-rc1-next-20150303+ #8
Workqueue: deferwq deferred_probe_work_func
Stack Trace:
arc_unwind_core+0xb8/0x114
warn_slowpath_common+0x5a/0x8c
warn_slowpath_fmt+0x2e/0x38
kobject_add_internal+0x218/0x2e8
kobject_add+0x4a/0x8c
device_add+0xc6/0x448
mdiobus_register+0x6c/0x164
stmmac_mdio_register+0x112/0x264
stmmac_dvr_probe+0x6c0/0x85c
stmmac_pltfr_probe+0x2e4/0x50c
platform_drv_probe+0x26/0x5c
really_probe+0x76/0x1dc
bus_for_each_drv+0x42/0x7c
device_attach+0x64/0x6c
bus_probe_device+0x74/0xa4
deferred_probe_work_func+0x50/0x84
process_one_work+0xf8/0x2cc
worker_thread+0x110/0x478
kthread+0x8a/0x9c
ret_from_fork+0x14/0x18
---[ end trace a2dfaa7d630c8be2 ]---
libphy: mii_bus stmmac-0 failed to register
: Cannot register as MDIO bus
stmmac_pltfr_probe: main driver probe failed
stmmaceth: probe of e0018000.ethernet failed with error -22
--->8---
Essential fix is to check for IRQs availability as early as possible and
then safely go to deferred probe if IRQs are not there yet.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Sonic Zhang <sonic.zhang@analog.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
It currently is required that all users of NO_SUSPEND interrupt
lines pass the IRQF_NO_SUSPEND flag when requesting the IRQ or the
WARN_ON_ONCE() in irq_pm_install_action() will trigger. That is
done to warn about situations in which unprepared interrupt handlers
may be run unnecessarily for suspended devices and may attempt to
access those devices by mistake. However, it may cause drivers
that have no technical reasons for using IRQF_NO_SUSPEND to set
that flag just because they happen to share the interrupt line
with something like a timer.
Moreover, the generic handling of wakeup interrupts introduced by
commit 9ce7a25849 (genirq: Simplify wakeup mechanism) only works
for IRQs without any NO_SUSPEND users, so the drivers of wakeup
devices needing to use shared NO_SUSPEND interrupt lines for
signaling system wakeup generally have to detect wakeup in their
interrupt handlers. Thus if they happen to share an interrupt line
with a NO_SUSPEND user, they also need to request that their
interrupt handlers be run after suspend_device_irqs().
In both cases the reason for using IRQF_NO_SUSPEND is not because
the driver in question has a genuine need to run its interrupt
handler after suspend_device_irqs(), but because it happens to
share the line with some other NO_SUSPEND user. Otherwise, the
driver would do without IRQF_NO_SUSPEND just fine.
To make it possible to specify that condition explicitly, introduce
a new IRQ action handler flag for shared IRQs, IRQF_COND_SUSPEND,
that, when set, will indicate to the IRQ core that the interrupt
user is generally fine with suspending the IRQ, but it also can
tolerate handler invocations after suspend_device_irqs() and, in
particular, it is capable of detecting system wakeup and triggering
it as appropriate from its interrupt handler.
That will allow us to work around a problem with a shared timer
interrupt line on at91 platforms.
Link: http://marc.info/?l=linux-kernel&m=142252777602084&w=2
Link: http://marc.info/?t=142252775300011&r=1&w=2
Link: https://lkml.org/lkml/2014/12/15/552
Reported-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
- PM slowclock fixes for DDR and timeouts
- fix some DT entries
- little defconfig updates
- the removal of a harmful watchdog option + its detailed documentation
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Merge tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes
Merge "First fixes batch for AT91 on 4.0" from Nicolas Ferre:
- PM slowclock fixes for DDR and timeouts
- fix some DT entries
- little defconfig updates
- the removal of a harmful watchdog option + its detailed documentation
* tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
ARM: at91/dt: keep watchdog running in idle mode
dts: Documentation: AT91 Watchdog, explain what atmel,idle-halt property really do
ARM: at91/defconfig: add at91rm9200 ethernet support
ARM: at91/defconfig: remove CONFIG_SYSFS_DEPRECATED
ARM: at91/dt: at91sam9260: fix usart pinctrl
ARM: at91/dt: sama5d4: add missing alias for i2c0
ARM: at91/dt: at91sam9263: Fixup sram1 device tree node
ARM: at91: pm: fix SRAM allocation
ARM: at91: pm: fix at91rm9200 standby
pm: at91: Workaround DDRSDRC self-refresh bug with LPDDR1 memories.
pm: at91: pm_slowclock: fix suspend/resume hang up in timeouts
Merge "Samsung fixes for v4.0" from Kukjin Kim:
* tag samsung-fixes-1:
ARM: EXYNOS: Fix wrong hwirq of RTC interrupt for Exynos3250 SoC
ARM: EXYNOS: Don't use LDREX and STREX after disabling cache coherency
- The thermal management unit and HDMI (drm mixer driver) related
reworks have been merged in v4.0 merge window. So if this DT changes
are missed for v4.0, we regressions in v4.0 release for exynos
platforms such as exynos5250, exynos5420, exynos4 SoCs.
- Note since there was a dependency with driver side, this cannot
be sent to upstream during preivous merge window and now it has been
resolved.
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Merge tag 'samsung-fixes-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
Merge "Samsung tmu and hdmi regression fixes for v4.0" from Kukjin Kim:
- The thermal management unit and HDMI (drm mixer driver) related
reworks have been merged in v4.0 merge window. So if this DT changes
are missed for v4.0, we regressions in v4.0 release for exynos
platforms such as exynos5250, exynos5420, exynos4 SoCs.
- Note since there was a dependency with driver side, this cannot
be sent to upstream during preivous merge window and now it has been
resolved.
* tag 'samsung-fixes-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: add display power domain for exynos5250
ARM: dts: add 'hdmi' clock to mixer nodes for exynos5250 and exynos5420
ARM: dts: enable hdmi support for exynos4210-universal_c210
ARM: dts: enable hdmi support for exynos4412-odroid-common
ARM: dts: add dependency between TV and LCD0 power domains for exynos4
ARM: dts: add hdmi related nodes for exynos4 SoCs
ARM: EXYNOS: add support for sub-power domains
dt-bindings: document a note about power domain subdomains
ARM: dts: Provide dt bindings identical for Exynos TMU
ARM: dts: Trip points and sensor configuration data for exynos5440
ARM: dts: define default thermal-zones for exynos4
ARM: dts: default trip points definition for exynos5420
ARM: dts: add TMU default definitions for exynos4412
ARM: dts: Adding CPU cooling binding for Exynos SoCs
ARM: dts: Enable TMU for exynos4412-odriod-common
ARM: dts: Add LDO10 for TMU for exynos4412-odroid-common
ARM: dts: Enable TMU for exynos4210-trats
Make sure socfpga_cpu1start_addr is properly flushed from it's cache line so
that secondary cpu's can see it.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
socfpga.dtsi is missing the DMA channels for the uart nodes.
This will produce the following errors:
of_dma_request_slave_channel: dma-names property of node '/soc/serial0@ffc02000' missing or empty
ttyS0 - failed to request DMA
Provide the correct DMA channels to fix this.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Correct SCU virtual mapping that was causing this BUG message:
"BUG: mapping for 0xfffec000 at 0xfffec000 out of vmalloc space"
Signed-off-by: Vince Bridgers <vbridger@opensource.altera.com>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
- minor timeout & other fixes on reservation/fence
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Merge tag 'dma-buf-for-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/sumits/dma-buf
Pull dma-buf fixes from Sumit Semwal:
"Minor timeout & other fixes on reservation/fence"
* tag 'dma-buf-for-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/sumits/dma-buf:
reservation: Remove shadowing local variable 'ret'
dma-buf/fence: don't wait when specified timeout is zero
reservation: wait only with non-zero timeout specified (v3)
In general, if a transaction object is added to the list successfully,
we can rely on the abort path to undo what we've done. This allows us to
simplify the error handling of the rule replacement path in
nf_tables_newrule().
This implicitly fixes an unnecessary removal of the old rule, which
needs to be left in place if we fail to replace.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The NFT_USERDATA_MAXLEN is defined to 256, however we only have a u8
to store its size. Introduce a struct nft_userdata which contains a
length field and indicate its presence using a single bit in the rule.
The length field of struct nft_userdata is also a u8, however we don't
store zero sized data, so the actual length is udata->len + 1.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Check that the space required for the expressions doesn't exceed the
size of the dlen field, which would lead to the iterators crashing.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
A race condition exists in the rule transaction code for rules that
get added and removed within the same transaction.
The new rule starts out as inactive in the current and active in the
next generation and is inserted into the ruleset. When it is deleted,
it is additionally set to inactive in the next generation as well.
On commit the next generation is begun, then the actions are finalized.
For the new rule this would mean clearing out the inactive bit for
the previously current, now next generation.
However nft_rule_clear() clears out the bits for *both* generations,
activating the rule in the current generation, where it should be
deactivated due to being deleted. The rule will thus be active until
the deletion is finalized, removing the rule from the ruleset.
Similarly, when aborting a transaction for the same case, the undo
of insertion will remove it from the RCU protected rule list, the
deletion will clear out all bits. However until the next RCU
synchronization after all operations have been undone, the rule is
active on CPUs which can still see the rule on the list.
Generally, there may never be any modifications of the current
generations' inactive bit since this defeats the entire purpose of
atomicity. Change nft_rule_clear() to only touch the next generations
bit to fix this.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
We need to set left/right control for the speaker amp to get stereo
output on speaker.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sDMA support only transfer elements with 1, 2, and 4 byte physical
size. Initialize the pcm driver accordingly.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
All DAI drivers has been converted to use edma-pcm instead of davinci-pcm
and the driver can be removed from the tree.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The edma-pcm performs as good as the old davinci-pcm and it's use does not
require the 'ping-pong' mode of davinci-pcm, which was introduced to
overcome under/over flow issues when using davinci-pcm.
Keep the SND_DAVINCI_SOC config option to select the SND_EDMA_SOC to avoid
regression in audio support.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The edma-pcm can replace the old davinci-pcm as platform driver.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The edma-pcm can replace the old davinci-pcm as platform driver.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
edma-pcm going to replace davinci-pcm as platform driver for daVinci
platform.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
DMA_BIT_MASK of 64 is not valid dma address mask for OMAPs, it should be
set to 32.
The 64 was introduced by commit (in 2009):
a152ff24b9 ASoC: OMAP: Make DMA 64 aligned
But the dma_mask and coherent_dma_mask can not be used to specify alignment.
Fixes: a152ff24b9 (ASoC: OMAP: Make DMA 64 aligned)
Reported-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
- Fix for dynticks.
- Fix for smpboot bug.
- Fix for IOMMU group refcounting.
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Merge tag 'powerpc-4.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Pull powerpc fixes from Michael Ellerman:
- Fix for dynticks.
- Fix for smpboot bug.
- Fix for IOMMU group refcounting.
* tag 'powerpc-4.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
powerpc/iommu: Remove IOMMU device references via bus notifier
powerpc/smp: Wait until secondaries are active & online
powerpc: Re-enable dynticks
There are no users of snd_soc_jack_new() left and new users should use
snd_soc_card_jack_new() instead. So remove the function.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
