Lubomir Rintel reported that during replacing a route the interface
reference counter isn't correctly decremented.
To quote bug <https://bugzilla.kernel.org/show_bug.cgi?id=91941>:
| [root@rhel7-5 lkundrak]# sh -x lal
| + ip link add dev0 type dummy
| + ip link set dev0 up
| + ip link add dev1 type dummy
| + ip link set dev1 up
| + ip addr add 2001:db8:8086::2/64 dev dev0
| + ip route add 2001:db8:8086::/48 dev dev0 proto static metric 20
| + ip route add 2001:db8:8088::/48 dev dev1 proto static metric 10
| + ip route replace 2001:db8:8086::/48 dev dev1 proto static metric 20
| + ip link del dev0 type dummy
| Message from syslogd@rhel7-5 at Jan 23 10:54:41 ...
| kernel:unregister_netdevice: waiting for dev0 to become free. Usage count = 2
|
| Message from syslogd@rhel7-5 at Jan 23 10:54:51 ...
| kernel:unregister_netdevice: waiting for dev0 to become free. Usage count = 2
During replacement of a rt6_info we must walk all parent nodes and check
if the to be replaced rt6_info got propagated. If so, replace it with
an alive one.
Fixes: 4a287eba2d ("IPv6 routing, NLM_F_* flag support: REPLACE and EXCL flags support, warn about missing CREATE flag")
Reported-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Tested-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ben Hutchings says:
====================
Fixes for sh_eth #3
I'm continuing review and testing of Ethernet support on the R-Car H2
chip. This series fixes the last of the more serious issues I've found.
These are not tested on any of the other supported chips.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
- Use the return value of dma_map_single(), rather than calling
virt_to_page() separately
- Check for mapping failue
- Call dma_unmap_single() rather than dma_sync_single_for_cpu()
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
dma_map_single() may fail if an IOMMU or swiotlb is in use, so
we need to check for this.
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently we try to clear EDRRR and EDTRR and immediately continue to
free buffers. This is unsafe because:
- In general, register writes are not serialised with DMA, so we still
have to wait for DMA to complete somehow
- The R8A7790 (R-Car H2) manual states that the TX running flag cannot
be cleared by writing to EDTRR
- The same manual states that clearing the RX running flag only stops
RX DMA at the next packet boundary
I applied this patch to the driver to detect DMA writes to freed
buffers:
> --- a/drivers/net/ethernet/renesas/sh_eth.c
> +++ b/drivers/net/ethernet/renesas/sh_eth.c
> @@ -1098,7 +1098,14 @@ static void sh_eth_ring_free(struct net_device *ndev)
> /* Free Rx skb ringbuffer */
> if (mdp->rx_skbuff) {
> for (i = 0; i < mdp->num_rx_ring; i++)
> + memcpy(mdp->rx_skbuff[i]->data,
> + "Hello, world", 12);
> + msleep(100);
> + for (i = 0; i < mdp->num_rx_ring; i++) {
> + WARN_ON(memcmp(mdp->rx_skbuff[i]->data,
> + "Hello, world", 12));
> dev_kfree_skb(mdp->rx_skbuff[i]);
> + }
> }
> kfree(mdp->rx_skbuff);
> mdp->rx_skbuff = NULL;
then ran the loop:
while ethtool -G eth0 rx 128 ; ethtool -G eth0 rx 64; do echo -n .; done
and 'ping -f' toward the sh_eth port from another machine. The
warning fired several times a minute.
To fix these issues:
- Deactivate all TX descriptors rather than writing to EDTRR
- As there seems to be no way of telling when RX DMA is stopped,
perform a soft reset to ensure that both DMA enginess are stopped
- To reduce the possibility of the reset truncating a transmitted
frame, disable egress and wait a reasonable time to reach a
packet boundary before resetting
- Update statistics before resetting
(The 'reasonable time' does not allow for CS/CD in half-duplex
mode, but half-duplex no longer seems reasonable!)
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
If RX traffic is overflowing the FIFO or DMA ring, logging every time
this happens just makes things worse. These errors are visible in the
statistics anyway.
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli says:
====================
net: phy: prevent double suspend
This patch series addresses a problem that Fugang and I observed on different
platforms where a given PHY device might end-up being suspended twice.
Once as part of the call from ndo_open() all the way down to phy_detach() and
phy_suspend() and a second time when the generic platform device/driver
suspend/resume callbacks are called in drivers/net/phy/mdio_bus.c.
Thanks to Fugang for giving this a quick try on i.MX6/FEC and reporting
positive test results!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
As part of a call to ndo_close() a netdevice driver may call
phy_disconnect() -> phy_detach() -> phy_suspend(), such that the PHY is
suspsended at this point and a netdevice driver may clock gate the
backing peripheral providing MDIO bus accessses as well.
Update mdio_bus_phy_may_suspend() to return whether a PHY is allowed to
be suspended and conversely resumed if and only if it was not previously
suspended before while it is currently in detached (netdev pointer is
NULL) state.
This fixes bus errors seen during S2/S3 suspend/resume cycles for
netdevice drivers such as GENET which clock gates the entire Ethernet
MAC, including the MDIO bus block.
Acked-by: Fugang Duan <B38611@freescale.com>
Tested-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to avoid double calls to phydev->drv->suspend and resume, keep
track of whether the PHY has already been suspended as a consequence of
a successful call to phy_suspend(). We will use this in our MDIO bus
suspend/resume hooks to avoid a double suspend call.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
has_fixups was introduced to help keeping track of fixups/quirks running
on a PHY device, but we did not update the comment above struct
phy_device accordingly.
Fixes: b0ae009f3d (net: phy: add "has_fixups" boolean property")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
phy_suspend and phy_resume are an abstraction on top of the PHY device
driver suspend and resume callbacks, utilize those since they are the
proper interface to suspending and resuming a PHY device.
Acked-by: Fugang Duan <B38611@freescale.com>
Tested-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hariprasad Shenai says:
====================
Add support to dump cim ibq, obq and qinfo, etc
This patch series adds support to dump cim_ibq, cim_obq, sge_qinfo, pm_stats
and clk debugfs entries.
The patches series is created against 'net-next' tree.
And includes patches on cxgb4 driver.
We have included all the maintainers of respective drivers. Kindly review the
change and let us know in case of any review comments.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'linux-can-fixes-for-3.19-20150127' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2015-01-27
this is another pull request for net/master which consists of 4 patches.
All 4 patches are contributed by Ahmed S. Darwish, he fixes more problems in
the kvaser_usb driver.
David, please merge net/master to net-next/master, as we have more kvaser_usb
patches in the queue, that target net-next.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Some busy bits are available in the global register 1, such as the ATU
Busy bit. We may want to use this function to wait for them to change,
so add a new parameter to mv88e6352_wait() instead of hard-coding
REG_GLOBAL2.
In the meantime, since the REG_READ() macro already checks for error,
remove the redundant check for ret < 0.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
An exception is seen in ICMP ping receive path where the skb
destructor sock_rfree() tries to access a freed socket. This happens
because ping_rcv() releases socket reference with sock_put() and this
internally frees up the socket. Later icmp_rcv() will try to free the
skb and as part of this, skb destructor is called and which leads
to a kernel panic as the socket is freed already in ping_rcv().
-->|exception
-007|sk_mem_uncharge
-007|sock_rfree
-008|skb_release_head_state
-009|skb_release_all
-009|__kfree_skb
-010|kfree_skb
-011|icmp_rcv
-012|ip_local_deliver_finish
Fix this incorrect free by cloning this skb and processing this cloned
skb instead.
This patch was suggested by Eric Dumazet
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit adds debug messages for the generic mv88e6xxx read and write
routines. The output is similar to this:
mdio-gpio mdio-gpio.0: <- addr: 0x1b reg: 0x05 val: 0x4000
mdio-gpio mdio-gpio.0: -> addr: 0x1b reg: 0x07 val: 0x3113
mdio-gpio mdio-gpio.0: -> addr: 0x1b reg: 0x08 val: 0x0330
mdio-gpio mdio-gpio.0: -> addr: 0x1b reg: 0x09 val: 0x0000
This is convenient to dynamically debug operations through debugfs with:
echo file mv88e6xxx.c +p > <debugfs>/dynamic_debug/control
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While working on rhashtable walking I noticed that the UDP diag
dumping code is buggy. In particular, the socket skipping within
a chain never happens, even though we record the number of sockets
that should be skipped.
As this code was supposedly copied from TCP, this patch does what
TCP does and resets num before we walk a chain.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Allwinner A31 SoC (sun6i) has the same resistive touchpanel controller
as on other sunxi platforms. The only difference between the variants is
the control bits for enabling operations are left-shifted by 1 on the A31.
Also update the comment for the original temperature sensor with
information from Allwinner.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
While being in an ERROR_WARNING state, and receiving further
bus error events with error counters still in the ERROR_WARNING
range of 97-127 inclusive, the state handling code erroneously
reverts back to ERROR_ACTIVE.
Per the CAN standard, only revert to ERROR_ACTIVE when the
error counters are less than 96.
Moreover, in certain Kvaser models, the BUS_ERROR flag is
always set along with undefined bits in the M16C status
register. Thus use bitwise operators instead of full equality
for checking that register against bus errors.
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
On some x86 laptops, plugging a Kvaser device again after an
unplug makes the firmware always ignore the very first command.
For such a case, provide some room for retries instead of
completely exiting the driver init code.
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Send expected argument to the URB completion hander: a CAN
netdevice instead of the network interface private context
`kvaser_usb_net_priv'.
This was discovered by having some garbage in the kernel
log in place of the netdevice names: can0 and can1.
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Upon receiving a hardware event with the BUS_RESET flag set,
the driver kills all of its anchored URBs and resets all of
its transmit URB contexts.
Unfortunately it does so under the context of URB completion
handler `kvaser_usb_read_bulk_callback()', which is often
called in an atomic context.
While the device is flooded with many received error packets,
usb_kill_urb() typically sleeps/reschedules till the transfer
request of each killed URB in question completes, leading to
the sleep in atomic bug. [3]
In v2 submission of the original driver patch [1], it was
stated that the URBs kill and tx contexts reset was needed
since we don't receive any tx acknowledgments later and thus
such resources will be locked down forever. Fortunately this
is no longer needed since an earlier bugfix in this patch
series is now applied: all tx URB contexts are reset upon CAN
channel close. [2]
Moreover, a BUS_RESET is now treated _exactly_ like a BUS_OFF
event, which is the recommended handling method advised by
the device manufacturer.
[1] http://article.gmane.org/gmane.linux.network/239442http://www.webcitation.org/6Vr2yagAQ
[2] can: kvaser_usb: Reset all URB tx contexts upon channel close
889b77f7fd
[3] Stacktrace:
<IRQ> [<ffffffff8158de87>] dump_stack+0x45/0x57
[<ffffffff8158b60c>] __schedule_bug+0x41/0x4f
[<ffffffff815904b1>] __schedule+0x5f1/0x700
[<ffffffff8159360a>] ? _raw_spin_unlock_irqrestore+0xa/0x10
[<ffffffff81590684>] schedule+0x24/0x70
[<ffffffff8147d0a5>] usb_kill_urb+0x65/0xa0
[<ffffffff81077970>] ? prepare_to_wait_event+0x110/0x110
[<ffffffff8147d7d8>] usb_kill_anchored_urbs+0x48/0x80
[<ffffffffa01f4028>] kvaser_usb_unlink_tx_urbs+0x18/0x50 [kvaser_usb]
[<ffffffffa01f45d0>] kvaser_usb_rx_error+0xc0/0x400 [kvaser_usb]
[<ffffffff8108b14a>] ? vprintk_default+0x1a/0x20
[<ffffffffa01f5241>] kvaser_usb_read_bulk_callback+0x4c1/0x5f0 [kvaser_usb]
[<ffffffff8147a73e>] __usb_hcd_giveback_urb+0x5e/0xc0
[<ffffffff8147a8a1>] usb_hcd_giveback_urb+0x41/0x110
[<ffffffffa0008748>] finish_urb+0x98/0x180 [ohci_hcd]
[<ffffffff810cd1a7>] ? acct_account_cputime+0x17/0x20
[<ffffffff81069f65>] ? local_clock+0x15/0x30
[<ffffffffa000a36b>] ohci_work+0x1fb/0x5a0 [ohci_hcd]
[<ffffffff814fbb31>] ? process_backlog+0xb1/0x130
[<ffffffffa000cd5b>] ohci_irq+0xeb/0x270 [ohci_hcd]
[<ffffffff81479fc1>] usb_hcd_irq+0x21/0x30
[<ffffffff8108bfd3>] handle_irq_event_percpu+0x43/0x120
[<ffffffff8108c0ed>] handle_irq_event+0x3d/0x60
[<ffffffff8108ec84>] handle_fasteoi_irq+0x74/0x110
[<ffffffff81004dfd>] handle_irq+0x1d/0x30
[<ffffffff81004727>] do_IRQ+0x57/0x100
[<ffffffff8159482a>] common_interrupt+0x6a/0x6a
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Add PFC support for the EMMA Mobile EV2 SoC including pin groups for
on-chip devices.
Signed-off-by: Niklas Söderlund <niso@kth.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Used to define pinmux configurations where the pinmux function have no
representation in the configuration registers but instead solely depends
on a group selection.
Signed-off-by: Niklas Söderlund <niso@kth.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This driver implements support for PS2 controller found on Allwinner A10,
A20 SOCs. It has been tested on A20 Olimex-Lime2 board and also on A10.
Signed-off-by: Vishnu Patekar <vishnupatekar0510@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
data to make dm816x boot with basic devices. This finally gets
dm816x into a usable shape for further work to happen after a few
years of stalled effort of making this SoC to work with the mainline
kernel.
As most of the devices are similar to the other omap variants, we
get at least serial, MMC, Ethernet, I2C, EDMA, pinctrl, SPI and GPMC
working for these SoCs with the related device tree changes.
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Merge tag 'omap-for-v3.20/dm816x-data' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Merge "omap changes to make dm816x usable" from Tony Lindgren:
Patches to add necessary SoC related clockdomain and interconnect
data to make dm816x boot with basic devices. This finally gets
dm816x into a usable shape for further work to happen after a few
years of stalled effort of making this SoC to work with the mainline
kernel.
As most of the devices are similar to the other omap variants, we
get at least serial, MMC, Ethernet, I2C, EDMA, pinctrl, SPI and GPMC
working for these SoCs with the related device tree changes.
* tag 'omap-for-v3.20/dm816x-data' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Add dm816x hwmod support
ARM: OMAP2+: Add clock domain support for dm816x
ARM: OMAP2+: Add board-generic.c entry for ti81xx
ARM: OMAP2+: Disable omap3 PM init for ti81xx
ARM: OMAP2+: Fix reboot for 81xx
ARM: OMAP2+: Fix dm814 and dm816 for clocks and timer init
ARM: OMAP2+: Fix ti81xx class type
ARM: OMAP2+: Fix ti81xx devtype
ARM: OMAP2+: Fix error handling for omap2_clk_enable_init_clocks
Signed-off-by: Olof Johansson <olof@lixom.net>
First set of OMAP2+ hwmod patches for Linux v3.20. These are mostly
fixes for warnings, although there's one DRA7xx patch that fixes
CONFIG_DEBUG_LL for AM572x/DRA7xx SoCs that use UART3 for console,
such as the BeagleBoard-X15.
These patches entered Linux-next starting with the next-20150121 tag.
Basic build, boot, and PM test results can be found here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v3.20/20150121142621/
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Merge tag 'omap-for-v3.20/fixes-not-urgent-pt2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
Merge "omap non-urgent fixes for v3.20, part 2" from Tony Lindgren:
Non-critical fixes for omap hwmod code via Paul Walmsley <paul@pwsan.com>:
First set of OMAP2+ hwmod patches for Linux v3.20. These are mostly
fixes for warnings, although there's one DRA7xx patch that fixes
CONFIG_DEBUG_LL for AM572x/DRA7xx SoCs that use UART3 for console,
such as the BeagleBoard-X15.
These patches entered Linux-next starting with the next-20150121 tag.
Basic build, boot, and PM test results can be found here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v3.20/20150121142621/
* tag 'omap-for-v3.20/fixes-not-urgent-pt2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL enabled on UART3
ARM: OMAP: DRA7: hwmod: Make gpmc software supervised as the smart idle is broken
ARM: AM43xx: hwmod: set DSS submodule parent hwmods
ARM: OMAP2+: hwmod: print error if wait_target_ready() failed
MAINTAINERS: add maintainer for OMAP hwmod data
Signed-off-by: Olof Johansson <olof@lixom.net>
- correct some pin configuration for at91sam9x5ek
- add pioD on sama5d4 following a modification of pinctrl driver
- add more precise nand compatibility string for sama5d4
- audio modifications for wm8904 or ac97
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Merge tag 'at91-dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/dt
Merge "at91: dt for 3.20 #2" from Nicolas Ferre:
Second DT batch for 3.20:
- correct some pin configuration for at91sam9x5ek
- add pioD on sama5d4 following a modification of pinctrl driver
- add more precise nand compatibility string for sama5d4
- audio modifications for wm8904 or ac97
* tag 'at91-dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
ARM: at91/dt: sam9263: Add ac97 device node
dt: atmel_ac97c: Add device tree documentation
ARM: at91: at91sam9n12ek/dt: use dt ids for wm8904
ARM: at91: sama5d3xek/dt: use dt ids for wm8904
ARM: at91: sama5d4: dts: change the nand compatible string
ARM: at91/dt: sama5d4: add pioD controller
ARM: at91/dt: disable pull-up on vbus-gpio (PB16) to reduce power consumption
Signed-off-by: Olof Johansson <olof@lixom.net>
A lot of changes to the device tree for the 3.20 merge window, mostly with:
- More DT license convertions, only two DTS and two DTSI are still uncertain
and have not been converted yet
- Use the C-preprocessor includes in the device trees.
- Add support for the A31s SoC and improve the A80 support
- Add IR receiver, lradc, PS/2 support
- Add cpufreq support for all SoCs but the A23 and A80.
- And a lot of new boards
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Merge tag 'sunxi-dt-for-3.20' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/dt
Merge "Allwinner device tree changes for 3.20" from Maxime Ripard:
A lot of changes to the device tree for the 3.20 merge window, mostly with:
- More DT license convertions, only two DTS and two DTSI are still uncertain
and have not been converted yet
- Use the C-preprocessor includes in the device trees.
- Add support for the A31s SoC and improve the A80 support
- Add IR receiver, lradc, PS/2 support
- Add cpufreq support for all SoCs but the A23 and A80.
- And a lot of new boards
* tag 'sunxi-dt-for-3.20' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: (64 commits)
ARM: dts: sun5i: Enable axp209 support on A13-OLinuxIno
ARM: sunxi: dts: Add A10/A20 PS2 pin muxing options
ARM: sunxi: dts: Add PS2 nodes to dtsi for A10,A20
ARM: dts: sun6i: Add resistive touchscreen controller node to dtsi
ARM: dts: sun4i: Add Hyundau A7HD board
ARM: dts: sun4i: Add Marsboard A10 board
ARM: dts: sun9i: Enable mmc2 on A80 Optimus Board
ARM: dts: sun9i: Add 8 bit mmc pinmux setting for mmc2
ARM: dts: sun9i: Enable mmc0 on A80 Optimus Board
ARM: dts: sun9i: Convert a80 optimus board dts to label referencing
ARM: dts: sun9i: Add mmc controller nodes to the A80 dtsi
ARM: dts: sun9i: Add mmc config clock nodes
ARM: dts: sunxi: Add missing mdio label
ARM: dts: sun5i: Add mk802_a10s board
ARM: dts: sun4i: Add mk802ii board
ARM: dts: sun4i: Add mk802 board
ARM: dts: sun4i: Add dts file for Chuwi V7 CW0825 tablet
ARM: dts: sun7i: Add dts file for Bananapro board
ARM: sun6i: Enable ARM arch timers
ARM: dts: sun6i: Convert hummingbird a31 dts to label references
...
Signed-off-by: Olof Johansson <olof@lixom.net>
- Support for the A31s
- Adding support for cpufreq using cpufreq-dt
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Merge tag 'sunxi-core-for-3.20' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/soc
Merge "Allwinner core changes for 3.20" from Maxime Ripard:
- Support for the A31s
- Adding support for cpufreq using cpufreq-dt
* tag 'sunxi-core-for-3.20' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
ARM: sunxi: Register cpufreq-dt for sun[45678]i
ARM: sunxi: Add "allwinner,sun6i-a31s" to mach-sunxi
Signed-off-by: Olof Johansson <olof@lixom.net>
Defconfig changes for both sunxi and multi_v7 defconfig in order to add the
cpufreq-related drivers and the PMIC drivers.
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Merge tag 'sunxi-defconfig-for-3.20' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/defconfig
Merge "Allwinner defconfig changes for 3.20" from Maxime Ripard:
Defconfig changes for both sunxi and multi_v7 defconfig in order to add the
cpufreq-related drivers and the PMIC drivers.
* tag 'sunxi-defconfig-for-3.20' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
ARM: sunxi: Add AXP20x support multi_v7_defconfig
ARM: sunxi: Add AXP20x support in defconfig
ARM: multi_v7_defconfig: Enable TOUCHSCREEN_SUN4I, CPU_THERMAL
ARM: sunxi_defconfig: Enable TOUCHSCREEN_SUN4I, CPUFREQ_DT, CPU_THERMAL
Signed-off-by: Olof Johansson <olof@lixom.net>
A few minor fixes for the 3.19 kernel:
- The 8250 uart driver now respects the aliases, which pointed out that we
were using them wrong. Fixed them.
- The simplefb pipeline that was used on the A10 caused flickering and
tearing, and rendered it pretty much useless. Added a new simplefb node
with another pipeline that removes this issue. Note that we need to keep
the old node because u-boot 2015.01 uses it.
- Added a fix for the USB phy node on sun4i/sun5i
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Merge tag 'sunxi-fixes-for-3.19' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into fixes
Merge "Allwinner fixes for 3.19" from Maxime Ripard:
Allwinner fixes for 3.19
A few minor fixes for the 3.19 kernel:
- The 8250 uart driver now respects the aliases, which pointed out that we
were using them wrong. Fixed them.
- The simplefb pipeline that was used on the A10 caused flickering and
tearing, and rendered it pretty much useless. Added a new simplefb node
with another pipeline that removes this issue. Note that we need to keep
the old node because u-boot 2015.01 uses it.
- Added a fix for the USB phy node on sun4i/sun5i
* tag 'sunxi-fixes-for-3.19' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
ARM: sunxi: dt: Fix aliases
ARM: dts: sun4i: Add simplefb node with de_fe0-de_be0-lcd0-hdmi pipeline
ARM: dts: sun6i: ippo-q8h-v5: Fix serial0 alias
ARM: dts: sunxi: Fix usb-phy support for sun4i/sun5i
Signed-off-by: Olof Johansson <olof@lixom.net>
This patchset fix minor issue of extcon driver.
Detailed description for patchset:
- Remove duplicate header file in extcon-class.c and add 'const' keyword for
array in extcon-max77693.c.
- Release iio channel when executing *_remove() function in extcon-adc-jack.c
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Merge tag 'extcon-next-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
Chanwoo writes:
Update extcon for v3.20
This patchset fix minor issue of extcon driver.
Detailed description for patchset:
- Remove duplicate header file in extcon-class.c and add 'const' keyword for
array in extcon-max77693.c.
- Release iio channel when executing *_remove() function in extcon-adc-jack.c
Just two fixes pending. A fix USB PHY for non-OF case and
a fix for dwc2 running on samsung SoC.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'fixes-for-v3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.19-rc6
Just two fixes pending. A fix USB PHY for non-OF case and
a fix for dwc2 running on samsung SoC.
Signed-off-by: Felipe Balbi <balbi@ti.com>
When CONFIG_PRINTK=n, log_buf_addr_get() returns NULL and log_buf_len_get()
return 0. Check for these return values and skip registering the dump buffer.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reviewed-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
RTAS events require arguments be passed in big endian while hypercalls
have their arguments passed in registers and the values should therefore
be in CPU endian.
The "ibm,suspend_me" 'RTAS' call makes a sequence of hypercalls to setup
one true RTAS call. This means that "ibm,suspend_me" is handled
specially in the ppc_rtas() syscall.
The ppc_rtas() syscall has its arguments in big endian and can therefore
pass these arguments directly to the RTAS call. "ibm,suspend_me" is
handled specially from within ppc_rtas() (by calling rtas_ibm_suspend_me())
which has left an endian bug on little endian systems due to the
requirement of hypercalls. The return value from rtas_ibm_suspend_me()
gets returned in cpu endian, and is left unconverted, also a bug on
little endian systems.
rtas_ibm_suspend_me() does not actually make use of the rtas_args that
it is passed. This patch removes the convoluted use of the rtas_args
struct to pass params to rtas_ibm_suspend_me() in favour of passing what
it needs as actual arguments. This patch also ensures the two callers of
rtas_ibm_suspend_me() pass function parameters in cpu endian and in the
case of ppc_rtas(), converts the return value.
migrate_store() (the other caller of rtas_ibm_suspend_me()) is from a
sysfs file which deals with everything in cpu endian so this function
only underwent cleanup.
This patch has been tested with KVM both LE and BE and on PowerVM both
LE and BE. Under QEMU/KVM the migration happens without touching these
code pathes.
For PowerVM there is no obvious regression on BE and the LE code path
now provides the correct parameters to the hypervisor.
Signed-off-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
- exynos3250
: add exynos_usbphy node and hsotg nodes
- exynos3250-rinato
: enable usb
: cleanup and use macro for gpio-keys
: add fimd and Panel devices support
- exynos3250-monk
: enable usb
: cleanup and use macro for gpio-keys
- exynos5250-snow
: add power and lid gpio-keys pinctrl
- exynos5420-peach-pit and exynos5800-peach-pi
: configure regulators for suspend
: set always on for USB webCam regulators
: add lid GPIO key device
- exynos5422
: add support new board Odroid XU3
- dt-bindings
: add exynos-chipid
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Merge tag 'samsung-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
Merge "Samsung DT updates for v3.20" from Kukjin Kim:
- exynos3250
: add exynos_usbphy node and hsotg nodes
- exynos3250-rinato
: enable usb
: cleanup and use macro for gpio-keys
: add fimd and Panel devices support
- exynos3250-monk
: enable usb
: cleanup and use macro for gpio-keys
- exynos5250-snow
: add power and lid gpio-keys pinctrl
- exynos5420-peach-pit and exynos5800-peach-pi
: configure regulators for suspend
: set always on for USB webCam regulators
: add lid GPIO key device
- exynos5422
: add support new board Odroid XU3
- dt-bindings
: add exynos-chipid
* tag 'samsung-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: Configure regulators for suspend on exynos Peach boards
ARM: dts: Set Peach boards USB WebCam regulators to always on
ARM: dts: Add lid GPIO key device node for Peach boards
ARM: dts: Add power and lid GPIO keys pinctrl for exynos5250-snow
Documentation: dt-bindings: add exynos-chipid binding information
ARM: dts: add Panel device support for exynos3250-rinato
ARM: dts: add fimd device support for exynos3250-rinato
ARM: dts: use macro in gpio keys for exynos3250 boards
ARM: dts: remove unnecessary gpio-key nodes for exynos3250 boards
ARM: dts: Enable USB node for exynos3250-monk
ARM: dts: Enable USB node for exynos3250-rinato
ARM: dts: Add hsotg node for exynos3250
ARM: dts: Add exynos_usbphy node for exynos3250
ARM: dts: Add dts file for Odroid XU3 board
Signed-off-by: Olof Johansson <olof@lixom.net>
- several fixes and adjustments following the last cleanup batch
- removal of some unused Kconfig options
- slight PM and pm_idle rework to ease future rework
- removal of unneeded mach/system_rev.h
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Merge tag 'at91-cleanup3' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/soc
Merge "at91: cleanup/soc for 3.20 #3 (bis) from Nicolas Ferre:
Third batch of cleanup/soc for 3.20:
- several fixes and adjustments following the last cleanup batch
- removal of some unused Kconfig options
- slight PM and pm_idle rework to ease future rework
- removal of unneeded mach/system_rev.h
* tag 'at91-cleanup3' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
ARM: at91: pm: remove warning to remove SOC_AT91SAM9263 usage
ARM: at91: remove unused mach/system_rev.h
ARM: at91: stop using HAVE_AT91_DBGUx
ARM: at91: fix ordering of SRAM and PM initialization
ARM: at91: sam9: set arm_pm_idle from sam9_dt_device_init
ARM: at91: fix sam9n12 and sam9x5 arm_pm_idle
ARM: at91: mark const init data with __initconst instead of __initdata
ARM: at91: fix PM initialization for newer SoCs
ARM: at91: fix Kconfig.debug by adding DEBUG_AT91_UART option
Signed-off-by: Olof Johansson <olof@lixom.net>
The entries are separated as ARM V4/V5 and ARM V7 as some other per-SoC config
options may be removed in the near future.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
If CONFIG_CIFS_WEAK_PW_HASH is not set, CIFSSEC_MUST_LANMAN
and CIFSSEC_MUST_PLNTXT is defined as 0.
When setting new SecurityFlags without any MUST flags,
your flags would be overwritten with CIFSSEC_MUST_LANMAN (0).
Signed-off-by: Niklas Cassel <niklass@axis.com>
Signed-off-by: Steve French <steve.french@primarydata.com>
* fix station double-removal when suspending while associating
* fix the HT (802.11n) header length calculation
* fix the CCK radiotap flag used for monitoring, a pretty
old regression but a simple one-liner
* fix per-station group-key handling
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Merge tag 'mac80211-for-davem-2015-01-23' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Another set of last-minute fixes:
* fix station double-removal when suspending while associating
* fix the HT (802.11n) header length calculation
* fix the CCK radiotap flag used for monitoring, a pretty
old regression but a simple one-liner
* fix per-station group-key handling
Signed-off-by: David S. Miller <davem@davemloft.net>
Not caching dst_entries which cause redirects could be exploited by hosts
on the same subnet, causing a severe DoS attack. This effect aggravated
since commit f886497212 ("ipv4: fix dst race in sk_dst_get()").
Lookups causing redirects will be allocated with DST_NOCACHE set which
will force dst_release to free them via RCU. Unfortunately waiting for
RCU grace period just takes too long, we can end up with >1M dst_entries
waiting to be released and the system will run OOM. rcuos threads cannot
catch up under high softirq load.
Attaching the flag to emit a redirect later on to the specific skb allows
us to cache those dst_entries thus reducing the pressure on allocation
and deallocation.
This issue was discovered by Marcelo Leitner.
Cc: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Marcelo Leitner <mleitner@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current GPL only licensing on the device tree makes it very
impractical for other software components licensed under another
license.
In order to make it easier for them to reuse our device trees,
relicense our device trees under a GPL/X11 dual-license.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Arnaud Ebalard <arno@natisbad.org>
The current GPL only licensing on the device tree makes it very
impractical for other software components licensed under another
license.
In order to make it easier for them to reuse our device trees,
relicense our device trees under a GPL/X11 dual-license.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Acked-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
